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Posted to commits@airavata.apache.org by sm...@apache.org on 2015/03/05 20:36:24 UTC

[02/17] airavata git commit: Reorganizing credential store to create a light weight stubs artifact - AIRAVATA-1621

http://git-wip-us.apache.org/repos/asf/airavata/blob/58c58cf2/modules/credential-store/credential-store-stubs/src/main/java/org/apache/airavata/credential/store/datamodel/SSHCredential.java
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diff --git a/modules/credential-store/credential-store-stubs/src/main/java/org/apache/airavata/credential/store/datamodel/SSHCredential.java b/modules/credential-store/credential-store-stubs/src/main/java/org/apache/airavata/credential/store/datamodel/SSHCredential.java
new file mode 100644
index 0000000..9fc373a
--- /dev/null
+++ b/modules/credential-store/credential-store-stubs/src/main/java/org/apache/airavata/credential/store/datamodel/SSHCredential.java
@@ -0,0 +1,998 @@
+    /*
+     * Licensed to the Apache Software Foundation (ASF) under one or more
+     * contributor license agreements.  See the NOTICE file distributed with
+     * this work for additional information regarding copyright ownership.
+     * The ASF licenses this file to You under the Apache License, Version 2.0
+     * (the "License"); you may not use this file except in compliance with
+     * the License.  You may obtain a copy of the License at
+     *
+     *     http://www.apache.org/licenses/LICENSE-2.0
+     *
+     * Unless required by applicable law or agreed to in writing, software
+     * distributed under the License is distributed on an "AS IS" BASIS,
+     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     * See the License for the specific language governing permissions and
+     * limitations under the License.
+     */
+/**
+ * Autogenerated by Thrift Compiler (0.9.1)
+ *
+ * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
+ *  @generated
+ */
+package org.apache.airavata.credential.store.datamodel;
+
+import org.apache.thrift.scheme.IScheme;
+import org.apache.thrift.scheme.SchemeFactory;
+import org.apache.thrift.scheme.StandardScheme;
+
+import org.apache.thrift.scheme.TupleScheme;
+import org.apache.thrift.protocol.TTupleProtocol;
+import org.apache.thrift.protocol.TProtocolException;
+import org.apache.thrift.EncodingUtils;
+import org.apache.thrift.TException;
+import org.apache.thrift.async.AsyncMethodCallback;
+import org.apache.thrift.server.AbstractNonblockingServer.*;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.EnumMap;
+import java.util.Set;
+import java.util.HashSet;
+import java.util.EnumSet;
+import java.util.Collections;
+import java.util.BitSet;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@SuppressWarnings("all") public class SSHCredential implements org.apache.thrift.TBase<SSHCredential, SSHCredential._Fields>, java.io.Serializable, Cloneable, Comparable<SSHCredential> {
+  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("SSHCredential");
+
+  private static final org.apache.thrift.protocol.TField GATEWAY_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("gatewayId", org.apache.thrift.protocol.TType.STRING, (short)1);
+  private static final org.apache.thrift.protocol.TField USERNAME_FIELD_DESC = new org.apache.thrift.protocol.TField("username", org.apache.thrift.protocol.TType.STRING, (short)2);
+  private static final org.apache.thrift.protocol.TField PASSPHRASE_FIELD_DESC = new org.apache.thrift.protocol.TField("passphrase", org.apache.thrift.protocol.TType.STRING, (short)3);
+  private static final org.apache.thrift.protocol.TField PUBLIC_KEY_FIELD_DESC = new org.apache.thrift.protocol.TField("publicKey", org.apache.thrift.protocol.TType.STRING, (short)4);
+  private static final org.apache.thrift.protocol.TField PRIVATE_KEY_FIELD_DESC = new org.apache.thrift.protocol.TField("privateKey", org.apache.thrift.protocol.TType.STRING, (short)5);
+  private static final org.apache.thrift.protocol.TField PERSISTED_TIME_FIELD_DESC = new org.apache.thrift.protocol.TField("persistedTime", org.apache.thrift.protocol.TType.I64, (short)6);
+  private static final org.apache.thrift.protocol.TField TOKEN_FIELD_DESC = new org.apache.thrift.protocol.TField("token", org.apache.thrift.protocol.TType.STRING, (short)7);
+
+  private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
+  static {
+    schemes.put(StandardScheme.class, new SSHCredentialStandardSchemeFactory());
+    schemes.put(TupleScheme.class, new SSHCredentialTupleSchemeFactory());
+  }
+
+  public String gatewayId; // required
+  public String username; // required
+  public String passphrase; // required
+  public String publicKey; // optional
+  public String privateKey; // optional
+  public long persistedTime; // optional
+  public String token; // optional
+
+  /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
+  @SuppressWarnings("all") public enum _Fields implements org.apache.thrift.TFieldIdEnum {
+    GATEWAY_ID((short)1, "gatewayId"),
+    USERNAME((short)2, "username"),
+    PASSPHRASE((short)3, "passphrase"),
+    PUBLIC_KEY((short)4, "publicKey"),
+    PRIVATE_KEY((short)5, "privateKey"),
+    PERSISTED_TIME((short)6, "persistedTime"),
+    TOKEN((short)7, "token");
+
+    private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
+
+    static {
+      for (_Fields field : EnumSet.allOf(_Fields.class)) {
+        byName.put(field.getFieldName(), field);
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, or null if its not found.
+     */
+    public static _Fields findByThriftId(int fieldId) {
+      switch(fieldId) {
+        case 1: // GATEWAY_ID
+          return GATEWAY_ID;
+        case 2: // USERNAME
+          return USERNAME;
+        case 3: // PASSPHRASE
+          return PASSPHRASE;
+        case 4: // PUBLIC_KEY
+          return PUBLIC_KEY;
+        case 5: // PRIVATE_KEY
+          return PRIVATE_KEY;
+        case 6: // PERSISTED_TIME
+          return PERSISTED_TIME;
+        case 7: // TOKEN
+          return TOKEN;
+        default:
+          return null;
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, throwing an exception
+     * if it is not found.
+     */
+    public static _Fields findByThriftIdOrThrow(int fieldId) {
+      _Fields fields = findByThriftId(fieldId);
+      if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
+      return fields;
+    }
+
+    /**
+     * Find the _Fields constant that matches name, or null if its not found.
+     */
+    public static _Fields findByName(String name) {
+      return byName.get(name);
+    }
+
+    private final short _thriftId;
+    private final String _fieldName;
+
+    _Fields(short thriftId, String fieldName) {
+      _thriftId = thriftId;
+      _fieldName = fieldName;
+    }
+
+    public short getThriftFieldId() {
+      return _thriftId;
+    }
+
+    public String getFieldName() {
+      return _fieldName;
+    }
+  }
+
+  // isset id assignments
+  private static final int __PERSISTEDTIME_ISSET_ID = 0;
+  private byte __isset_bitfield = 0;
+  private _Fields optionals[] = {_Fields.PUBLIC_KEY,_Fields.PRIVATE_KEY,_Fields.PERSISTED_TIME,_Fields.TOKEN};
+  public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
+  static {
+    Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
+    tmpMap.put(_Fields.GATEWAY_ID, new org.apache.thrift.meta_data.FieldMetaData("gatewayId", org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.USERNAME, new org.apache.thrift.meta_data.FieldMetaData("username", org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.PASSPHRASE, new org.apache.thrift.meta_data.FieldMetaData("passphrase", org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.PUBLIC_KEY, new org.apache.thrift.meta_data.FieldMetaData("publicKey", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.PRIVATE_KEY, new org.apache.thrift.meta_data.FieldMetaData("privateKey", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.PERSISTED_TIME, new org.apache.thrift.meta_data.FieldMetaData("persistedTime", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I64)));
+    tmpMap.put(_Fields.TOKEN, new org.apache.thrift.meta_data.FieldMetaData("token", org.apache.thrift.TFieldRequirementType.OPTIONAL, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    metaDataMap = Collections.unmodifiableMap(tmpMap);
+    org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(SSHCredential.class, metaDataMap);
+  }
+
+  public SSHCredential() {
+  }
+
+  public SSHCredential(
+    String gatewayId,
+    String username,
+    String passphrase)
+  {
+    this();
+    this.gatewayId = gatewayId;
+    this.username = username;
+    this.passphrase = passphrase;
+  }
+
+  /**
+   * Performs a deep copy on <i>other</i>.
+   */
+  public SSHCredential(SSHCredential other) {
+    __isset_bitfield = other.__isset_bitfield;
+    if (other.isSetGatewayId()) {
+      this.gatewayId = other.gatewayId;
+    }
+    if (other.isSetUsername()) {
+      this.username = other.username;
+    }
+    if (other.isSetPassphrase()) {
+      this.passphrase = other.passphrase;
+    }
+    if (other.isSetPublicKey()) {
+      this.publicKey = other.publicKey;
+    }
+    if (other.isSetPrivateKey()) {
+      this.privateKey = other.privateKey;
+    }
+    this.persistedTime = other.persistedTime;
+    if (other.isSetToken()) {
+      this.token = other.token;
+    }
+  }
+
+  public SSHCredential deepCopy() {
+    return new SSHCredential(this);
+  }
+
+  @Override
+  public void clear() {
+    this.gatewayId = null;
+    this.username = null;
+    this.passphrase = null;
+    this.publicKey = null;
+    this.privateKey = null;
+    setPersistedTimeIsSet(false);
+    this.persistedTime = 0;
+    this.token = null;
+  }
+
+  public String getGatewayId() {
+    return this.gatewayId;
+  }
+
+  public SSHCredential setGatewayId(String gatewayId) {
+    this.gatewayId = gatewayId;
+    return this;
+  }
+
+  public void unsetGatewayId() {
+    this.gatewayId = null;
+  }
+
+  /** Returns true if field gatewayId is set (has been assigned a value) and false otherwise */
+  public boolean isSetGatewayId() {
+    return this.gatewayId != null;
+  }
+
+  public void setGatewayIdIsSet(boolean value) {
+    if (!value) {
+      this.gatewayId = null;
+    }
+  }
+
+  public String getUsername() {
+    return this.username;
+  }
+
+  public SSHCredential setUsername(String username) {
+    this.username = username;
+    return this;
+  }
+
+  public void unsetUsername() {
+    this.username = null;
+  }
+
+  /** Returns true if field username is set (has been assigned a value) and false otherwise */
+  public boolean isSetUsername() {
+    return this.username != null;
+  }
+
+  public void setUsernameIsSet(boolean value) {
+    if (!value) {
+      this.username = null;
+    }
+  }
+
+  public String getPassphrase() {
+    return this.passphrase;
+  }
+
+  public SSHCredential setPassphrase(String passphrase) {
+    this.passphrase = passphrase;
+    return this;
+  }
+
+  public void unsetPassphrase() {
+    this.passphrase = null;
+  }
+
+  /** Returns true if field passphrase is set (has been assigned a value) and false otherwise */
+  public boolean isSetPassphrase() {
+    return this.passphrase != null;
+  }
+
+  public void setPassphraseIsSet(boolean value) {
+    if (!value) {
+      this.passphrase = null;
+    }
+  }
+
+  public String getPublicKey() {
+    return this.publicKey;
+  }
+
+  public SSHCredential setPublicKey(String publicKey) {
+    this.publicKey = publicKey;
+    return this;
+  }
+
+  public void unsetPublicKey() {
+    this.publicKey = null;
+  }
+
+  /** Returns true if field publicKey is set (has been assigned a value) and false otherwise */
+  public boolean isSetPublicKey() {
+    return this.publicKey != null;
+  }
+
+  public void setPublicKeyIsSet(boolean value) {
+    if (!value) {
+      this.publicKey = null;
+    }
+  }
+
+  public String getPrivateKey() {
+    return this.privateKey;
+  }
+
+  public SSHCredential setPrivateKey(String privateKey) {
+    this.privateKey = privateKey;
+    return this;
+  }
+
+  public void unsetPrivateKey() {
+    this.privateKey = null;
+  }
+
+  /** Returns true if field privateKey is set (has been assigned a value) and false otherwise */
+  public boolean isSetPrivateKey() {
+    return this.privateKey != null;
+  }
+
+  public void setPrivateKeyIsSet(boolean value) {
+    if (!value) {
+      this.privateKey = null;
+    }
+  }
+
+  public long getPersistedTime() {
+    return this.persistedTime;
+  }
+
+  public SSHCredential setPersistedTime(long persistedTime) {
+    this.persistedTime = persistedTime;
+    setPersistedTimeIsSet(true);
+    return this;
+  }
+
+  public void unsetPersistedTime() {
+    __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __PERSISTEDTIME_ISSET_ID);
+  }
+
+  /** Returns true if field persistedTime is set (has been assigned a value) and false otherwise */
+  public boolean isSetPersistedTime() {
+    return EncodingUtils.testBit(__isset_bitfield, __PERSISTEDTIME_ISSET_ID);
+  }
+
+  public void setPersistedTimeIsSet(boolean value) {
+    __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __PERSISTEDTIME_ISSET_ID, value);
+  }
+
+  public String getToken() {
+    return this.token;
+  }
+
+  public SSHCredential setToken(String token) {
+    this.token = token;
+    return this;
+  }
+
+  public void unsetToken() {
+    this.token = null;
+  }
+
+  /** Returns true if field token is set (has been assigned a value) and false otherwise */
+  public boolean isSetToken() {
+    return this.token != null;
+  }
+
+  public void setTokenIsSet(boolean value) {
+    if (!value) {
+      this.token = null;
+    }
+  }
+
+  public void setFieldValue(_Fields field, Object value) {
+    switch (field) {
+    case GATEWAY_ID:
+      if (value == null) {
+        unsetGatewayId();
+      } else {
+        setGatewayId((String)value);
+      }
+      break;
+
+    case USERNAME:
+      if (value == null) {
+        unsetUsername();
+      } else {
+        setUsername((String)value);
+      }
+      break;
+
+    case PASSPHRASE:
+      if (value == null) {
+        unsetPassphrase();
+      } else {
+        setPassphrase((String)value);
+      }
+      break;
+
+    case PUBLIC_KEY:
+      if (value == null) {
+        unsetPublicKey();
+      } else {
+        setPublicKey((String)value);
+      }
+      break;
+
+    case PRIVATE_KEY:
+      if (value == null) {
+        unsetPrivateKey();
+      } else {
+        setPrivateKey((String)value);
+      }
+      break;
+
+    case PERSISTED_TIME:
+      if (value == null) {
+        unsetPersistedTime();
+      } else {
+        setPersistedTime((Long)value);
+      }
+      break;
+
+    case TOKEN:
+      if (value == null) {
+        unsetToken();
+      } else {
+        setToken((String)value);
+      }
+      break;
+
+    }
+  }
+
+  public Object getFieldValue(_Fields field) {
+    switch (field) {
+    case GATEWAY_ID:
+      return getGatewayId();
+
+    case USERNAME:
+      return getUsername();
+
+    case PASSPHRASE:
+      return getPassphrase();
+
+    case PUBLIC_KEY:
+      return getPublicKey();
+
+    case PRIVATE_KEY:
+      return getPrivateKey();
+
+    case PERSISTED_TIME:
+      return Long.valueOf(getPersistedTime());
+
+    case TOKEN:
+      return getToken();
+
+    }
+    throw new IllegalStateException();
+  }
+
+  /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
+  public boolean isSet(_Fields field) {
+    if (field == null) {
+      throw new IllegalArgumentException();
+    }
+
+    switch (field) {
+    case GATEWAY_ID:
+      return isSetGatewayId();
+    case USERNAME:
+      return isSetUsername();
+    case PASSPHRASE:
+      return isSetPassphrase();
+    case PUBLIC_KEY:
+      return isSetPublicKey();
+    case PRIVATE_KEY:
+      return isSetPrivateKey();
+    case PERSISTED_TIME:
+      return isSetPersistedTime();
+    case TOKEN:
+      return isSetToken();
+    }
+    throw new IllegalStateException();
+  }
+
+  @Override
+  public boolean equals(Object that) {
+    if (that == null)
+      return false;
+    if (that instanceof SSHCredential)
+      return this.equals((SSHCredential)that);
+    return false;
+  }
+
+  public boolean equals(SSHCredential that) {
+    if (that == null)
+      return false;
+
+    boolean this_present_gatewayId = true && this.isSetGatewayId();
+    boolean that_present_gatewayId = true && that.isSetGatewayId();
+    if (this_present_gatewayId || that_present_gatewayId) {
+      if (!(this_present_gatewayId && that_present_gatewayId))
+        return false;
+      if (!this.gatewayId.equals(that.gatewayId))
+        return false;
+    }
+
+    boolean this_present_username = true && this.isSetUsername();
+    boolean that_present_username = true && that.isSetUsername();
+    if (this_present_username || that_present_username) {
+      if (!(this_present_username && that_present_username))
+        return false;
+      if (!this.username.equals(that.username))
+        return false;
+    }
+
+    boolean this_present_passphrase = true && this.isSetPassphrase();
+    boolean that_present_passphrase = true && that.isSetPassphrase();
+    if (this_present_passphrase || that_present_passphrase) {
+      if (!(this_present_passphrase && that_present_passphrase))
+        return false;
+      if (!this.passphrase.equals(that.passphrase))
+        return false;
+    }
+
+    boolean this_present_publicKey = true && this.isSetPublicKey();
+    boolean that_present_publicKey = true && that.isSetPublicKey();
+    if (this_present_publicKey || that_present_publicKey) {
+      if (!(this_present_publicKey && that_present_publicKey))
+        return false;
+      if (!this.publicKey.equals(that.publicKey))
+        return false;
+    }
+
+    boolean this_present_privateKey = true && this.isSetPrivateKey();
+    boolean that_present_privateKey = true && that.isSetPrivateKey();
+    if (this_present_privateKey || that_present_privateKey) {
+      if (!(this_present_privateKey && that_present_privateKey))
+        return false;
+      if (!this.privateKey.equals(that.privateKey))
+        return false;
+    }
+
+    boolean this_present_persistedTime = true && this.isSetPersistedTime();
+    boolean that_present_persistedTime = true && that.isSetPersistedTime();
+    if (this_present_persistedTime || that_present_persistedTime) {
+      if (!(this_present_persistedTime && that_present_persistedTime))
+        return false;
+      if (this.persistedTime != that.persistedTime)
+        return false;
+    }
+
+    boolean this_present_token = true && this.isSetToken();
+    boolean that_present_token = true && that.isSetToken();
+    if (this_present_token || that_present_token) {
+      if (!(this_present_token && that_present_token))
+        return false;
+      if (!this.token.equals(that.token))
+        return false;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    return 0;
+  }
+
+  @Override
+  public int compareTo(SSHCredential other) {
+    if (!getClass().equals(other.getClass())) {
+      return getClass().getName().compareTo(other.getClass().getName());
+    }
+
+    int lastComparison = 0;
+
+    lastComparison = Boolean.valueOf(isSetGatewayId()).compareTo(other.isSetGatewayId());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetGatewayId()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.gatewayId, other.gatewayId);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetUsername()).compareTo(other.isSetUsername());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetUsername()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.username, other.username);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetPassphrase()).compareTo(other.isSetPassphrase());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetPassphrase()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.passphrase, other.passphrase);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetPublicKey()).compareTo(other.isSetPublicKey());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetPublicKey()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.publicKey, other.publicKey);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetPrivateKey()).compareTo(other.isSetPrivateKey());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetPrivateKey()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.privateKey, other.privateKey);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetPersistedTime()).compareTo(other.isSetPersistedTime());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetPersistedTime()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.persistedTime, other.persistedTime);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetToken()).compareTo(other.isSetToken());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetToken()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.token, other.token);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    return 0;
+  }
+
+  public _Fields fieldForId(int fieldId) {
+    return _Fields.findByThriftId(fieldId);
+  }
+
+  public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
+    schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
+  }
+
+  public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
+    schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder("SSHCredential(");
+    boolean first = true;
+
+    sb.append("gatewayId:");
+    if (this.gatewayId == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.gatewayId);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("username:");
+    if (this.username == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.username);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("passphrase:");
+    if (this.passphrase == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.passphrase);
+    }
+    first = false;
+    if (isSetPublicKey()) {
+      if (!first) sb.append(", ");
+      sb.append("publicKey:");
+      if (this.publicKey == null) {
+        sb.append("null");
+      } else {
+        sb.append(this.publicKey);
+      }
+      first = false;
+    }
+    if (isSetPrivateKey()) {
+      if (!first) sb.append(", ");
+      sb.append("privateKey:");
+      if (this.privateKey == null) {
+        sb.append("null");
+      } else {
+        sb.append(this.privateKey);
+      }
+      first = false;
+    }
+    if (isSetPersistedTime()) {
+      if (!first) sb.append(", ");
+      sb.append("persistedTime:");
+      sb.append(this.persistedTime);
+      first = false;
+    }
+    if (isSetToken()) {
+      if (!first) sb.append(", ");
+      sb.append("token:");
+      if (this.token == null) {
+        sb.append("null");
+      } else {
+        sb.append(this.token);
+      }
+      first = false;
+    }
+    sb.append(")");
+    return sb.toString();
+  }
+
+  public void validate() throws org.apache.thrift.TException {
+    // check for required fields
+    if (gatewayId == null) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 'gatewayId' was not present! Struct: " + toString());
+    }
+    if (username == null) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 'username' was not present! Struct: " + toString());
+    }
+    if (passphrase == null) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 'passphrase' was not present! Struct: " + toString());
+    }
+    // check for sub-struct validity
+  }
+
+  private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
+    try {
+      write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
+    try {
+      // it doesn't seem like you should have to do this, but java serialization is wacky, and doesn't call the default constructor.
+      __isset_bitfield = 0;
+      read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private static class SSHCredentialStandardSchemeFactory implements SchemeFactory {
+    public SSHCredentialStandardScheme getScheme() {
+      return new SSHCredentialStandardScheme();
+    }
+  }
+
+  private static class SSHCredentialStandardScheme extends StandardScheme<SSHCredential> {
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot, SSHCredential struct) throws org.apache.thrift.TException {
+      org.apache.thrift.protocol.TField schemeField;
+      iprot.readStructBegin();
+      while (true)
+      {
+        schemeField = iprot.readFieldBegin();
+        if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
+          break;
+        }
+        switch (schemeField.id) {
+          case 1: // GATEWAY_ID
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.gatewayId = iprot.readString();
+              struct.setGatewayIdIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 2: // USERNAME
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.username = iprot.readString();
+              struct.setUsernameIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 3: // PASSPHRASE
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.passphrase = iprot.readString();
+              struct.setPassphraseIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 4: // PUBLIC_KEY
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.publicKey = iprot.readString();
+              struct.setPublicKeyIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 5: // PRIVATE_KEY
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.privateKey = iprot.readString();
+              struct.setPrivateKeyIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 6: // PERSISTED_TIME
+            if (schemeField.type == org.apache.thrift.protocol.TType.I64) {
+              struct.persistedTime = iprot.readI64();
+              struct.setPersistedTimeIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 7: // TOKEN
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.token = iprot.readString();
+              struct.setTokenIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          default:
+            org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+        }
+        iprot.readFieldEnd();
+      }
+      iprot.readStructEnd();
+
+      // check for required fields of primitive type, which can't be checked in the validate method
+      struct.validate();
+    }
+
+    public void write(org.apache.thrift.protocol.TProtocol oprot, SSHCredential struct) throws org.apache.thrift.TException {
+      struct.validate();
+
+      oprot.writeStructBegin(STRUCT_DESC);
+      if (struct.gatewayId != null) {
+        oprot.writeFieldBegin(GATEWAY_ID_FIELD_DESC);
+        oprot.writeString(struct.gatewayId);
+        oprot.writeFieldEnd();
+      }
+      if (struct.username != null) {
+        oprot.writeFieldBegin(USERNAME_FIELD_DESC);
+        oprot.writeString(struct.username);
+        oprot.writeFieldEnd();
+      }
+      if (struct.passphrase != null) {
+        oprot.writeFieldBegin(PASSPHRASE_FIELD_DESC);
+        oprot.writeString(struct.passphrase);
+        oprot.writeFieldEnd();
+      }
+      if (struct.publicKey != null) {
+        if (struct.isSetPublicKey()) {
+          oprot.writeFieldBegin(PUBLIC_KEY_FIELD_DESC);
+          oprot.writeString(struct.publicKey);
+          oprot.writeFieldEnd();
+        }
+      }
+      if (struct.privateKey != null) {
+        if (struct.isSetPrivateKey()) {
+          oprot.writeFieldBegin(PRIVATE_KEY_FIELD_DESC);
+          oprot.writeString(struct.privateKey);
+          oprot.writeFieldEnd();
+        }
+      }
+      if (struct.isSetPersistedTime()) {
+        oprot.writeFieldBegin(PERSISTED_TIME_FIELD_DESC);
+        oprot.writeI64(struct.persistedTime);
+        oprot.writeFieldEnd();
+      }
+      if (struct.token != null) {
+        if (struct.isSetToken()) {
+          oprot.writeFieldBegin(TOKEN_FIELD_DESC);
+          oprot.writeString(struct.token);
+          oprot.writeFieldEnd();
+        }
+      }
+      oprot.writeFieldStop();
+      oprot.writeStructEnd();
+    }
+
+  }
+
+  private static class SSHCredentialTupleSchemeFactory implements SchemeFactory {
+    public SSHCredentialTupleScheme getScheme() {
+      return new SSHCredentialTupleScheme();
+    }
+  }
+
+  private static class SSHCredentialTupleScheme extends TupleScheme<SSHCredential> {
+
+    @Override
+    public void write(org.apache.thrift.protocol.TProtocol prot, SSHCredential struct) throws org.apache.thrift.TException {
+      TTupleProtocol oprot = (TTupleProtocol) prot;
+      oprot.writeString(struct.gatewayId);
+      oprot.writeString(struct.username);
+      oprot.writeString(struct.passphrase);
+      BitSet optionals = new BitSet();
+      if (struct.isSetPublicKey()) {
+        optionals.set(0);
+      }
+      if (struct.isSetPrivateKey()) {
+        optionals.set(1);
+      }
+      if (struct.isSetPersistedTime()) {
+        optionals.set(2);
+      }
+      if (struct.isSetToken()) {
+        optionals.set(3);
+      }
+      oprot.writeBitSet(optionals, 4);
+      if (struct.isSetPublicKey()) {
+        oprot.writeString(struct.publicKey);
+      }
+      if (struct.isSetPrivateKey()) {
+        oprot.writeString(struct.privateKey);
+      }
+      if (struct.isSetPersistedTime()) {
+        oprot.writeI64(struct.persistedTime);
+      }
+      if (struct.isSetToken()) {
+        oprot.writeString(struct.token);
+      }
+    }
+
+    @Override
+    public void read(org.apache.thrift.protocol.TProtocol prot, SSHCredential struct) throws org.apache.thrift.TException {
+      TTupleProtocol iprot = (TTupleProtocol) prot;
+      struct.gatewayId = iprot.readString();
+      struct.setGatewayIdIsSet(true);
+      struct.username = iprot.readString();
+      struct.setUsernameIsSet(true);
+      struct.passphrase = iprot.readString();
+      struct.setPassphraseIsSet(true);
+      BitSet incoming = iprot.readBitSet(4);
+      if (incoming.get(0)) {
+        struct.publicKey = iprot.readString();
+        struct.setPublicKeyIsSet(true);
+      }
+      if (incoming.get(1)) {
+        struct.privateKey = iprot.readString();
+        struct.setPrivateKeyIsSet(true);
+      }
+      if (incoming.get(2)) {
+        struct.persistedTime = iprot.readI64();
+        struct.setPersistedTimeIsSet(true);
+      }
+      if (incoming.get(3)) {
+        struct.token = iprot.readString();
+        struct.setTokenIsSet(true);
+      }
+    }
+  }
+
+}
+

http://git-wip-us.apache.org/repos/asf/airavata/blob/58c58cf2/modules/credential-store/credential-store-stubs/src/main/java/org/apache/airavata/credential/store/datamodel/credentialStoreDataModelConstants.java
----------------------------------------------------------------------
diff --git a/modules/credential-store/credential-store-stubs/src/main/java/org/apache/airavata/credential/store/datamodel/credentialStoreDataModelConstants.java b/modules/credential-store/credential-store-stubs/src/main/java/org/apache/airavata/credential/store/datamodel/credentialStoreDataModelConstants.java
new file mode 100644
index 0000000..975210d
--- /dev/null
+++ b/modules/credential-store/credential-store-stubs/src/main/java/org/apache/airavata/credential/store/datamodel/credentialStoreDataModelConstants.java
@@ -0,0 +1,55 @@
+    /*
+     * Licensed to the Apache Software Foundation (ASF) under one or more
+     * contributor license agreements.  See the NOTICE file distributed with
+     * this work for additional information regarding copyright ownership.
+     * The ASF licenses this file to You under the Apache License, Version 2.0
+     * (the "License"); you may not use this file except in compliance with
+     * the License.  You may obtain a copy of the License at
+     *
+     *     http://www.apache.org/licenses/LICENSE-2.0
+     *
+     * Unless required by applicable law or agreed to in writing, software
+     * distributed under the License is distributed on an "AS IS" BASIS,
+     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     * See the License for the specific language governing permissions and
+     * limitations under the License.
+     */
+/**
+ * Autogenerated by Thrift Compiler (0.9.1)
+ *
+ * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
+ *  @generated
+ */
+package org.apache.airavata.credential.store.datamodel;
+
+import org.apache.thrift.scheme.IScheme;
+import org.apache.thrift.scheme.SchemeFactory;
+import org.apache.thrift.scheme.StandardScheme;
+
+import org.apache.thrift.scheme.TupleScheme;
+import org.apache.thrift.protocol.TTupleProtocol;
+import org.apache.thrift.protocol.TProtocolException;
+import org.apache.thrift.EncodingUtils;
+import org.apache.thrift.TException;
+import org.apache.thrift.async.AsyncMethodCallback;
+import org.apache.thrift.server.AbstractNonblockingServer.*;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.EnumMap;
+import java.util.Set;
+import java.util.HashSet;
+import java.util.EnumSet;
+import java.util.Collections;
+import java.util.BitSet;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@SuppressWarnings("all") public class credentialStoreDataModelConstants {
+
+  public static final String DEFAULT_ID = "DO_NOT_SET_AT_CLIENTS";
+
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/58c58cf2/modules/credential-store/credential-store-stubs/src/main/java/org/apache/airavata/credential/store/exception/CredentialStoreException.java
----------------------------------------------------------------------
diff --git a/modules/credential-store/credential-store-stubs/src/main/java/org/apache/airavata/credential/store/exception/CredentialStoreException.java b/modules/credential-store/credential-store-stubs/src/main/java/org/apache/airavata/credential/store/exception/CredentialStoreException.java
new file mode 100644
index 0000000..7be01da
--- /dev/null
+++ b/modules/credential-store/credential-store-stubs/src/main/java/org/apache/airavata/credential/store/exception/CredentialStoreException.java
@@ -0,0 +1,397 @@
+    /*
+     * Licensed to the Apache Software Foundation (ASF) under one or more
+     * contributor license agreements.  See the NOTICE file distributed with
+     * this work for additional information regarding copyright ownership.
+     * The ASF licenses this file to You under the Apache License, Version 2.0
+     * (the "License"); you may not use this file except in compliance with
+     * the License.  You may obtain a copy of the License at
+     *
+     *     http://www.apache.org/licenses/LICENSE-2.0
+     *
+     * Unless required by applicable law or agreed to in writing, software
+     * distributed under the License is distributed on an "AS IS" BASIS,
+     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     * See the License for the specific language governing permissions and
+     * limitations under the License.
+     */
+/**
+ * Autogenerated by Thrift Compiler (0.9.1)
+ *
+ * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
+ *  @generated
+ */
+package org.apache.airavata.credential.store.exception;
+
+import org.apache.thrift.scheme.IScheme;
+import org.apache.thrift.scheme.SchemeFactory;
+import org.apache.thrift.scheme.StandardScheme;
+
+import org.apache.thrift.scheme.TupleScheme;
+import org.apache.thrift.protocol.TTupleProtocol;
+import org.apache.thrift.protocol.TProtocolException;
+import org.apache.thrift.EncodingUtils;
+import org.apache.thrift.TException;
+import org.apache.thrift.async.AsyncMethodCallback;
+import org.apache.thrift.server.AbstractNonblockingServer.*;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.EnumMap;
+import java.util.Set;
+import java.util.HashSet;
+import java.util.EnumSet;
+import java.util.Collections;
+import java.util.BitSet;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@SuppressWarnings("all") public class CredentialStoreException extends TException implements org.apache.thrift.TBase<CredentialStoreException, CredentialStoreException._Fields>, java.io.Serializable, Cloneable, Comparable<CredentialStoreException> {
+  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("CredentialStoreException");
+
+  private static final org.apache.thrift.protocol.TField MESSAGE_FIELD_DESC = new org.apache.thrift.protocol.TField("message", org.apache.thrift.protocol.TType.STRING, (short)1);
+
+  private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
+  static {
+    schemes.put(StandardScheme.class, new CredentialStoreExceptionStandardSchemeFactory());
+    schemes.put(TupleScheme.class, new CredentialStoreExceptionTupleSchemeFactory());
+  }
+
+  public String message; // required
+
+  /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
+  @SuppressWarnings("all") public enum _Fields implements org.apache.thrift.TFieldIdEnum {
+    MESSAGE((short)1, "message");
+
+    private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
+
+    static {
+      for (_Fields field : EnumSet.allOf(_Fields.class)) {
+        byName.put(field.getFieldName(), field);
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, or null if its not found.
+     */
+    public static _Fields findByThriftId(int fieldId) {
+      switch(fieldId) {
+        case 1: // MESSAGE
+          return MESSAGE;
+        default:
+          return null;
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, throwing an exception
+     * if it is not found.
+     */
+    public static _Fields findByThriftIdOrThrow(int fieldId) {
+      _Fields fields = findByThriftId(fieldId);
+      if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
+      return fields;
+    }
+
+    /**
+     * Find the _Fields constant that matches name, or null if its not found.
+     */
+    public static _Fields findByName(String name) {
+      return byName.get(name);
+    }
+
+    private final short _thriftId;
+    private final String _fieldName;
+
+    _Fields(short thriftId, String fieldName) {
+      _thriftId = thriftId;
+      _fieldName = fieldName;
+    }
+
+    public short getThriftFieldId() {
+      return _thriftId;
+    }
+
+    public String getFieldName() {
+      return _fieldName;
+    }
+  }
+
+  // isset id assignments
+  public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
+  static {
+    Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
+    tmpMap.put(_Fields.MESSAGE, new org.apache.thrift.meta_data.FieldMetaData("message", org.apache.thrift.TFieldRequirementType.REQUIRED, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    metaDataMap = Collections.unmodifiableMap(tmpMap);
+    org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(CredentialStoreException.class, metaDataMap);
+  }
+
+  public CredentialStoreException() {
+  }
+
+  public CredentialStoreException(
+    String message)
+  {
+    this();
+    this.message = message;
+  }
+
+  /**
+   * Performs a deep copy on <i>other</i>.
+   */
+  public CredentialStoreException(CredentialStoreException other) {
+    if (other.isSetMessage()) {
+      this.message = other.message;
+    }
+  }
+
+  public CredentialStoreException deepCopy() {
+    return new CredentialStoreException(this);
+  }
+
+  @Override
+  public void clear() {
+    this.message = null;
+  }
+
+  public String getMessage() {
+    return this.message;
+  }
+
+  public CredentialStoreException setMessage(String message) {
+    this.message = message;
+    return this;
+  }
+
+  public void unsetMessage() {
+    this.message = null;
+  }
+
+  /** Returns true if field message is set (has been assigned a value) and false otherwise */
+  public boolean isSetMessage() {
+    return this.message != null;
+  }
+
+  public void setMessageIsSet(boolean value) {
+    if (!value) {
+      this.message = null;
+    }
+  }
+
+  public void setFieldValue(_Fields field, Object value) {
+    switch (field) {
+    case MESSAGE:
+      if (value == null) {
+        unsetMessage();
+      } else {
+        setMessage((String)value);
+      }
+      break;
+
+    }
+  }
+
+  public Object getFieldValue(_Fields field) {
+    switch (field) {
+    case MESSAGE:
+      return getMessage();
+
+    }
+    throw new IllegalStateException();
+  }
+
+  /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
+  public boolean isSet(_Fields field) {
+    if (field == null) {
+      throw new IllegalArgumentException();
+    }
+
+    switch (field) {
+    case MESSAGE:
+      return isSetMessage();
+    }
+    throw new IllegalStateException();
+  }
+
+  @Override
+  public boolean equals(Object that) {
+    if (that == null)
+      return false;
+    if (that instanceof CredentialStoreException)
+      return this.equals((CredentialStoreException)that);
+    return false;
+  }
+
+  public boolean equals(CredentialStoreException that) {
+    if (that == null)
+      return false;
+
+    boolean this_present_message = true && this.isSetMessage();
+    boolean that_present_message = true && that.isSetMessage();
+    if (this_present_message || that_present_message) {
+      if (!(this_present_message && that_present_message))
+        return false;
+      if (!this.message.equals(that.message))
+        return false;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    return 0;
+  }
+
+  @Override
+  public int compareTo(CredentialStoreException other) {
+    if (!getClass().equals(other.getClass())) {
+      return getClass().getName().compareTo(other.getClass().getName());
+    }
+
+    int lastComparison = 0;
+
+    lastComparison = Boolean.valueOf(isSetMessage()).compareTo(other.isSetMessage());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetMessage()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.message, other.message);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    return 0;
+  }
+
+  public _Fields fieldForId(int fieldId) {
+    return _Fields.findByThriftId(fieldId);
+  }
+
+  public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
+    schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
+  }
+
+  public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
+    schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder("CredentialStoreException(");
+    boolean first = true;
+
+    sb.append("message:");
+    if (this.message == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.message);
+    }
+    first = false;
+    sb.append(")");
+    return sb.toString();
+  }
+
+  public void validate() throws org.apache.thrift.TException {
+    // check for required fields
+    if (message == null) {
+      throw new org.apache.thrift.protocol.TProtocolException("Required field 'message' was not present! Struct: " + toString());
+    }
+    // check for sub-struct validity
+  }
+
+  private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
+    try {
+      write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
+    try {
+      read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private static class CredentialStoreExceptionStandardSchemeFactory implements SchemeFactory {
+    public CredentialStoreExceptionStandardScheme getScheme() {
+      return new CredentialStoreExceptionStandardScheme();
+    }
+  }
+
+  private static class CredentialStoreExceptionStandardScheme extends StandardScheme<CredentialStoreException> {
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot, CredentialStoreException struct) throws org.apache.thrift.TException {
+      org.apache.thrift.protocol.TField schemeField;
+      iprot.readStructBegin();
+      while (true)
+      {
+        schemeField = iprot.readFieldBegin();
+        if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
+          break;
+        }
+        switch (schemeField.id) {
+          case 1: // MESSAGE
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.message = iprot.readString();
+              struct.setMessageIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          default:
+            org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+        }
+        iprot.readFieldEnd();
+      }
+      iprot.readStructEnd();
+
+      // check for required fields of primitive type, which can't be checked in the validate method
+      struct.validate();
+    }
+
+    public void write(org.apache.thrift.protocol.TProtocol oprot, CredentialStoreException struct) throws org.apache.thrift.TException {
+      struct.validate();
+
+      oprot.writeStructBegin(STRUCT_DESC);
+      if (struct.message != null) {
+        oprot.writeFieldBegin(MESSAGE_FIELD_DESC);
+        oprot.writeString(struct.message);
+        oprot.writeFieldEnd();
+      }
+      oprot.writeFieldStop();
+      oprot.writeStructEnd();
+    }
+
+  }
+
+  private static class CredentialStoreExceptionTupleSchemeFactory implements SchemeFactory {
+    public CredentialStoreExceptionTupleScheme getScheme() {
+      return new CredentialStoreExceptionTupleScheme();
+    }
+  }
+
+  private static class CredentialStoreExceptionTupleScheme extends TupleScheme<CredentialStoreException> {
+
+    @Override
+    public void write(org.apache.thrift.protocol.TProtocol prot, CredentialStoreException struct) throws org.apache.thrift.TException {
+      TTupleProtocol oprot = (TTupleProtocol) prot;
+      oprot.writeString(struct.message);
+    }
+
+    @Override
+    public void read(org.apache.thrift.protocol.TProtocol prot, CredentialStoreException struct) throws org.apache.thrift.TException {
+      TTupleProtocol iprot = (TTupleProtocol) prot;
+      struct.message = iprot.readString();
+      struct.setMessageIsSet(true);
+    }
+  }
+
+}
+

http://git-wip-us.apache.org/repos/asf/airavata/blob/58c58cf2/modules/credential-store/credential-store-webapp/pom.xml
----------------------------------------------------------------------
diff --git a/modules/credential-store/credential-store-webapp/pom.xml b/modules/credential-store/credential-store-webapp/pom.xml
new file mode 100644
index 0000000..e326fe8
--- /dev/null
+++ b/modules/credential-store/credential-store-webapp/pom.xml
@@ -0,0 +1,158 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--Licensed to the Apache Software Foundation (ASF) under one or more contributor
+	license agreements. See the NOTICE file distributed with this work for additional
+	information regarding copyright ownership. The ASF licenses this file to
+	you under the Apache License, Version 2.0 (theÏ "License"); you may not use
+	this file except in compliance with the License. You may obtain a copy of
+	the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required
+	by applicable law or agreed to in writing, software distributed under the
+	License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS
+	OF ANY ~ KIND, either express or implied. See the License for the specific
+	language governing permissions and limitations under the License. -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+    <parent>
+        <groupId>org.apache.airavata</groupId>
+        <artifactId>credential-store</artifactId>
+        <version>0.15-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>airavata-credential-store-webapp</artifactId>
+    <packaging>war</packaging>
+    <name>airavata-credential-store-webapp</name>
+    <build>
+        <finalName>credential-store</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.codehaus.cargo</groupId>
+                <artifactId>cargo-maven2-plugin</artifactId>
+                <version>${cargo.version}</version>
+                <configuration>
+                    <wait>true</wait>
+                    <configuration>
+                        <properties>
+                            <cargo.servlet.port>8443</cargo.servlet.port>
+                            <cargo.protocol>https</cargo.protocol>
+                            <cargo.tomcat.connector.clientAuth>false</cargo.tomcat.connector.clientAuth>
+                            <cargo.tomcat.connector.sslProtocol>TLS</cargo.tomcat.connector.sslProtocol>
+                            <cargo.tomcat.connector.keystoreFile>/Users/chathuri/dev/airavata/credential-store/oa4mp/airavata_sym.jks</cargo.tomcat.connector.keystoreFile>
+                            <cargo.tomcat.connector.keystorePass>airavata</cargo.tomcat.connector.keystorePass>
+                            <cargo.tomcat.ajp.port>9009</cargo.tomcat.ajp.port>
+                            <cargo.rmi.port>9099</cargo.rmi.port>
+                            <cargo.jvmargs>
+                                <![CDATA[-Xdebug -Xrunjdwp:transport=dt_socket,address=${cargo.debug.address},server=y,suspend=${cargo.debug.suspend} -noverify ${javaagent}]]>
+                            </cargo.jvmargs>
+                            <cargo.tomcat.context.reloadable>true</cargo.tomcat.context.reloadable>
+                        </properties>
+                        <home>${project.build.directory}/tomcat6x</home>
+                        <deployables>
+                            <deployable>
+                                <groupId>org.apache.airavata</groupId>
+                                <artifactId>airavata-credential-store-webapp</artifactId>
+                                <type>war</type>
+                                <properties>
+                                    <context>/acs</context>
+                                </properties>
+                            </deployable>
+                        </deployables>
+                    </configuration>
+                    <container>
+                        <containerId>tomcat6x</containerId>
+                        <timeout>180000</timeout>
+                        <zipUrlInstaller>
+                            <url>
+                                http://archive.apache.org/dist/tomcat/tomcat-6/v6.0.32/bin/apache-tomcat-6.0.32.tar.gz
+                            </url>
+                        </zipUrlInstaller>
+                        <systemProperties>
+
+                        </systemProperties>
+                    </container>
+                </configuration>
+            </plugin>
+        </plugins>
+
+    </build>
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.derby</groupId>
+            <artifactId>derbyclient</artifactId>
+            <version>${derby.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.airavata</groupId>
+            <artifactId>airavata-credential-store</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>net.oauth.core</groupId>
+            <artifactId>oauth-httpclient4</artifactId>
+            <version>20090617</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.airavata</groupId>
+            <artifactId>airavata-security</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.airavata</groupId>
+            <artifactId>airavata-common-utils</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>commons-codec</groupId>
+            <artifactId>commons-codec</artifactId>
+            <version>1.6</version>
+        </dependency>
+        <!-- <dependency>
+            <groupId>edu.uiuc.ncsa.myproxy</groupId>
+            <artifactId>oa4mp-client-oauth1</artifactId>
+            <version>${oa4mp.version}</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>mysql</groupId>
+                    <artifactId>mysql-connector-java</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>postgresql</groupId>
+                    <artifactId>postgresql</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency> -->
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>${org.slf4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-simple</artifactId>
+            <version>${org.slf4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>jcl-over-slf4j</artifactId>
+            <version>${org.slf4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-log4j12</artifactId>
+            <version>${org.slf4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.ebaysf.web</groupId>
+            <artifactId>cors-filter</artifactId>
+            <version>${ebay.cors.filter}</version>
+        </dependency>
+    </dependencies>
+    <properties>
+        <cargo.version>1.2.1</cargo.version>
+        <cargo.debug.address>8000</cargo.debug.address>
+        <cargo.debug.suspend>y</cargo.debug.suspend>
+        <javaagent />
+    </properties>
+</project>
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/airavata/blob/58c58cf2/modules/credential-store/credential-store-webapp/src/main/java/org/apache/airavata/credentialstore/basic/BasicAccessAuthenticator.java
----------------------------------------------------------------------
diff --git a/modules/credential-store/credential-store-webapp/src/main/java/org/apache/airavata/credentialstore/basic/BasicAccessAuthenticator.java b/modules/credential-store/credential-store-webapp/src/main/java/org/apache/airavata/credentialstore/basic/BasicAccessAuthenticator.java
new file mode 100644
index 0000000..c34cb1b
--- /dev/null
+++ b/modules/credential-store/credential-store-webapp/src/main/java/org/apache/airavata/credentialstore/basic/BasicAccessAuthenticator.java
@@ -0,0 +1,226 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+package org.apache.airavata.credentialstore.basic;
+
+import org.apache.airavata.common.exception.ApplicationSettingsException;
+import org.apache.airavata.common.utils.Constants;
+import org.apache.airavata.common.utils.ServerSettings;
+import org.apache.airavata.credentialstore.session.ServletRequestHelper;
+import org.apache.airavata.security.AbstractAuthenticator;
+import org.apache.airavata.security.AuthenticationException;
+import org.apache.airavata.security.UserStoreException;
+import org.w3c.dom.Node;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpSession;
+
+/**
+ * This authenticator handles basic access authentication requests. In basic access authentication
+ * we get user name and password as HTTP headers. The password is encoded with base64.
+ * More information @link{http://en.wikipedia.org/wiki/Basic_access_authentication}
+ */
+public class BasicAccessAuthenticator extends AbstractAuthenticator {
+
+
+    private static final String AUTHENTICATOR_NAME = "BasicAccessAuthenticator";
+
+    private ServletRequestHelper servletRequestHelper = new ServletRequestHelper();
+
+    public BasicAccessAuthenticator() {
+        super(AUTHENTICATOR_NAME);
+    }
+
+
+    /**
+     * Returns user name and password as an array. The first element is user name and second is password.
+     *
+     * @param httpServletRequest The servlet request.
+     * @return User name password pair as an array.
+     * @throws AuthenticationException If an error occurred while extracting user name and password.
+     */
+    private String[] getUserNamePassword(HttpServletRequest httpServletRequest) throws AuthenticationException {
+
+        String basicHeader = httpServletRequest.getHeader(ServletRequestHelper.AUTHORISATION_HEADER_NAME);
+
+        if (basicHeader == null) {
+            throw new AuthenticationException("Authorization Required");
+        }
+
+        String[] userNamePasswordArray = basicHeader.split(" ");
+
+        if (userNamePasswordArray == null || userNamePasswordArray.length != 2) {
+            throw new AuthenticationException("Authorization Required");
+        }
+
+        String decodedString = servletRequestHelper.decode(userNamePasswordArray[1]);
+
+        String[] array = decodedString.split(":");
+
+        if (array == null || array.length != 2) {
+            throw new AuthenticationException("Authorization Required");
+        }
+
+        return array;
+
+    }
+
+    @Override
+    protected boolean doAuthentication(Object credentials) throws AuthenticationException {
+        if (this.getUserStore() == null) {
+            throw new AuthenticationException("Authenticator is not initialized. Error processing request.");
+        }
+
+        if (credentials == null)
+            return false;
+
+        HttpServletRequest httpServletRequest = (HttpServletRequest) credentials;
+
+        String[] array = getUserNamePassword(httpServletRequest);
+
+        String userName = array[0];
+        String password = array[1];
+
+        try {
+            return this.getUserStore().authenticate(userName, password);
+
+        } catch (UserStoreException e) {
+            throw new AuthenticationException("Error querying database for session information.", e);
+        }
+    }
+
+
+
+    @Override
+    public void onSuccessfulAuthentication(Object authenticationInfo) {
+
+        HttpServletRequest httpServletRequest = (HttpServletRequest) authenticationInfo;
+
+        try {
+            String[] array = getUserNamePassword(httpServletRequest);
+
+            StringBuilder stringBuilder = new StringBuilder("User : ");
+
+            if (array != null) {
+
+                servletRequestHelper.addUserToSession(array[0], httpServletRequest);
+
+                stringBuilder.append(array[0]).append(" successfully logged into system at ").append(getCurrentTime());
+                log.debug(stringBuilder.toString());
+
+            } else {
+                log.error("System error occurred while extracting user name after authentication. " +
+                        "Couldn't extract user name from the request.");
+            }
+        } catch (AuthenticationException e) {
+            log.error("System error occurred while extracting user name after authentication.", e);
+        }
+
+    }
+
+    @Override
+    public void onFailedAuthentication(Object authenticationInfo) {
+
+        HttpServletRequest httpServletRequest = (HttpServletRequest) authenticationInfo;
+
+        try {
+            String[] array = getUserNamePassword(httpServletRequest);
+
+            StringBuilder stringBuilder = new StringBuilder("User : ");
+
+            if (array != null) {
+
+                stringBuilder.append(array[0]).append(" Failed login attempt to system at ").append(getCurrentTime());
+                log.warn(stringBuilder.toString());
+
+            } else {
+                stringBuilder.append("Failed login attempt to system at ").append(getCurrentTime()).append( ". User unknown.");
+                log.warn(stringBuilder.toString());
+            }
+        } catch (AuthenticationException e) {
+            log.error("System error occurred while extracting user name after authentication.", e);
+        }
+    }
+
+    @Override
+    public boolean isAuthenticated(Object credentials) {
+        HttpServletRequest httpServletRequest = (HttpServletRequest) credentials;
+
+        HttpSession httpSession = httpServletRequest.getSession();
+
+        boolean seenInSession = false;
+
+        if (httpSession != null) {
+        	 String user = null;
+        	 String gateway = null;
+        	try{
+             user = (String)httpSession.getAttribute(Constants.USER_IN_SESSION);
+             gateway = (String)httpSession.getAttribute(ServerSettings.getDefaultUserGateway());
+             }
+            catch (ApplicationSettingsException e1) {
+    			// TODO Auto-generated catch block
+    			e1.printStackTrace();
+    		}
+            if (user != null && gateway != null) {
+                servletRequestHelper.addToContext(user, gateway);
+                seenInSession = true;
+            }
+        }
+
+        return seenInSession;
+
+    }
+
+    @Override
+    public boolean canProcess(Object credentials) {
+
+        HttpServletRequest httpServletRequest = (HttpServletRequest) credentials;
+
+        return (httpServletRequest.getHeader(ServletRequestHelper.AUTHORISATION_HEADER_NAME) != null);
+    }
+
+
+
+    @Override
+    public void configure(Node node) throws RuntimeException {
+
+        /**
+         <specificConfigurations>
+         <database>
+         <jdbcUrl></jdbcUrl>
+         <databaseDriver></databaseDriver>
+         <userName></userName>
+         <password></password>
+         <userTableName></userTableName>
+         <userNameColumnName></userNameColumnName>
+         <passwordColumnName></passwordColumnName>
+         </database>
+         </specificConfigurations>
+         */
+
+        try {
+            this.getUserStore().configure(node);
+        } catch (UserStoreException e) {
+            throw new RuntimeException("Error while configuring authenticator user store", e);
+        }
+
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/58c58cf2/modules/credential-store/credential-store-webapp/src/main/java/org/apache/airavata/credentialstore/local/LocalUserStore.java
----------------------------------------------------------------------
diff --git a/modules/credential-store/credential-store-webapp/src/main/java/org/apache/airavata/credentialstore/local/LocalUserStore.java b/modules/credential-store/credential-store-webapp/src/main/java/org/apache/airavata/credentialstore/local/LocalUserStore.java
new file mode 100644
index 0000000..0a2ca83
--- /dev/null
+++ b/modules/credential-store/credential-store-webapp/src/main/java/org/apache/airavata/credentialstore/local/LocalUserStore.java
@@ -0,0 +1,339 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+package org.apache.airavata.credentialstore.local;
+
+import java.security.NoSuchAlgorithmException;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import javax.servlet.ServletContext;
+
+import org.apache.airavata.common.utils.DBUtil;
+import org.apache.airavata.common.utils.SecurityUtil;
+import org.apache.airavata.common.utils.ServerSettings;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * User store to maintain internal DB database.
+ */
+public class LocalUserStore {
+
+    protected static Logger log = LoggerFactory.getLogger(LocalUserStore.class);
+
+    private DBUtil dbUtil;
+
+    private String hashMethod;
+
+    public LocalUserStore(ServletContext servletContext) throws Exception {
+        // Properties properties = WebAppUtil.getAiravataProperties(servletContext);
+
+        hashMethod = ServerSettings.getSetting("default.registry.password.hash.method");
+
+        dbUtil = new DBUtil(ServerSettings.getSetting("registry.jdbc.url"),
+                ServerSettings.getSetting("registry.jdbc.user"),
+                ServerSettings.getSetting("registry.jdbc.password"),
+                ServerSettings.getSetting("registry.jdbc.driver"));
+
+    }
+
+    public LocalUserStore(DBUtil db) {
+        dbUtil = db;
+    }
+
+    public void addUser(String userName, String password) {
+
+        String sql = "insert into Users values (?, ?)";
+
+        Connection connection = null;
+        PreparedStatement preparedStatement = null;
+
+        try {
+            connection = dbUtil.getConnection();
+            preparedStatement = connection.prepareStatement(sql);
+
+            preparedStatement.setString(1, userName);
+            preparedStatement.setString(2, SecurityUtil.digestString(password, hashMethod));
+
+            preparedStatement.executeUpdate();
+
+            connection.commit();
+
+            log.debug("User " + userName + " successfully added.");
+
+        } catch (SQLException e) {
+            StringBuilder stringBuilder = new StringBuilder("Error persisting user information.");
+            stringBuilder.append(" user - ").append(userName);
+
+            log.error(stringBuilder.toString(), e);
+
+            throw new RuntimeException(stringBuilder.toString(), e);
+        } catch (NoSuchAlgorithmException e) {
+            String stringBuilder = "Error creating hash value for password.";
+            log.error(stringBuilder, e);
+
+            throw new RuntimeException(stringBuilder, e);
+        } finally {
+
+            dbUtil.cleanup(preparedStatement, connection);
+        }
+
+    }
+
+    protected String getPassword(String userName, Connection connection) {
+
+        String sql = "select password from Users where user_name = ?";
+
+        PreparedStatement preparedStatement = null;
+        ResultSet resultSet = null;
+
+        try {
+            preparedStatement = connection.prepareStatement(sql);
+
+            preparedStatement.setString(1, userName);
+
+            resultSet = preparedStatement.executeQuery();
+
+            if (resultSet.next()) {
+                return resultSet.getString("password");
+            }
+
+        } catch (SQLException e) {
+            StringBuilder stringBuilder = new StringBuilder("Error retrieving credentials for user.");
+            stringBuilder.append("name - ").append(userName);
+
+            log.error(stringBuilder.toString(), e);
+
+            throw new RuntimeException(stringBuilder.toString(), e);
+        } finally {
+
+            if (resultSet != null) {
+                try {
+                    resultSet.close();
+                } catch (SQLException e) {
+                    log.error("Error closing result set", e);
+                }
+            }
+
+            if (preparedStatement != null) {
+                try {
+                    preparedStatement.close();
+                } catch (SQLException e) {
+                    log.error("Error closing prepared statement", e);
+                }
+            }
+        }
+
+        return null;
+    }
+
+    public void changePassword(String userName, String oldPassword, String newPassword) {
+
+        Connection connection = null;
+        PreparedStatement preparedStatement = null;
+
+        try {
+            connection = dbUtil.getConnection();
+
+            String storedPassword = getPassword(userName, connection);
+
+            String oldDigestedPassword = SecurityUtil.digestString(oldPassword, hashMethod);
+
+            if (storedPassword != null) {
+                if (!storedPassword.equals(oldDigestedPassword)) {
+                    throw new RuntimeException("Previous password did not match correctly. Please specify old password"
+                            + " correctly.");
+                }
+            }
+
+            String sql = "update Users set password = ? where user_name = ?";
+
+            preparedStatement = connection.prepareStatement(sql);
+
+            preparedStatement.setString(1, SecurityUtil.digestString(newPassword, hashMethod));
+            preparedStatement.setString(2, userName);
+
+            preparedStatement.executeUpdate();
+
+            connection.commit();
+
+            log.debug("Password changed for user " + userName);
+
+        } catch (SQLException e) {
+            StringBuilder stringBuilder = new StringBuilder("Error updating credentials.");
+            stringBuilder.append(" user - ").append(userName);
+
+            log.error(stringBuilder.toString(), e);
+
+            throw new RuntimeException(stringBuilder.toString(), e);
+        } catch (NoSuchAlgorithmException e) {
+            String stringBuilder = "Error creating hash value for password.";
+            log.error(stringBuilder, e);
+
+            throw new RuntimeException(stringBuilder, e);
+        } finally {
+
+            dbUtil.cleanup(preparedStatement, connection);
+        }
+
+    }
+
+    public void changePasswordByAdmin(String userName, String newPassword) {
+
+        Connection connection = null;
+        PreparedStatement preparedStatement = null;
+
+        try {
+            connection = dbUtil.getConnection();
+
+            String sql = "update Users set password = ? where user_name = ?";
+
+            preparedStatement = connection.prepareStatement(sql);
+
+            preparedStatement.setString(1, SecurityUtil.digestString(newPassword, hashMethod));
+            preparedStatement.setString(2, userName);
+
+            preparedStatement.executeUpdate();
+
+            connection.commit();
+
+            log.debug("Admin changed password of user " + userName);
+
+        } catch (SQLException e) {
+            StringBuilder stringBuilder = new StringBuilder("Error updating credentials.");
+            stringBuilder.append(" user - ").append(userName);
+
+            log.error(stringBuilder.toString(), e);
+
+            throw new RuntimeException(stringBuilder.toString(), e);
+        } catch (NoSuchAlgorithmException e) {
+            String stringBuilder = "Error creating hash value for password.";
+            log.error(stringBuilder, e);
+
+            throw new RuntimeException(stringBuilder, e);
+        } finally {
+
+            dbUtil.cleanup(preparedStatement, connection);
+        }
+
+    }
+
+    public void deleteUser(String userName) {
+
+        String sql = "delete from Users where user_name=?";
+
+        Connection connection = null;
+        PreparedStatement preparedStatement = null;
+
+        try {
+            connection = dbUtil.getConnection();
+            preparedStatement = connection.prepareStatement(sql);
+
+            preparedStatement.setString(1, userName);
+
+            preparedStatement.executeUpdate();
+
+            connection.commit();
+
+            log.debug("User " + userName + " deleted.");
+
+        } catch (SQLException e) {
+            StringBuilder stringBuilder = new StringBuilder("Error deleting user.");
+            stringBuilder.append("user - ").append(userName);
+
+            log.error(stringBuilder.toString(), e);
+
+            throw new RuntimeException(stringBuilder.toString(), e);
+        } finally {
+            dbUtil.cleanup(preparedStatement, connection);
+        }
+
+    }
+
+    public List<String> getUsers() {
+
+        List<String> userList = new ArrayList<String>();
+
+        String sql = "select user_name from Users";
+
+        PreparedStatement preparedStatement = null;
+        ResultSet resultSet = null;
+        Connection connection = null;
+
+        try {
+
+            connection = dbUtil.getConnection();
+            preparedStatement = connection.prepareStatement(sql);
+
+            resultSet = preparedStatement.executeQuery();
+
+            while (resultSet.next()) {
+                userList.add(resultSet.getString("user_name"));
+            }
+
+        } catch (SQLException e) {
+            String errorString = "Error retrieving Users.";
+            log.error(errorString, e);
+
+            throw new RuntimeException(errorString, e);
+        } finally {
+
+            if (resultSet != null) {
+                try {
+                    resultSet.close();
+                } catch (SQLException e) {
+                    log.error("Error closing result set", e);
+                }
+            }
+
+            if (preparedStatement != null) {
+                try {
+                    preparedStatement.close();
+                } catch (SQLException e) {
+                    log.error("Error closing prepared statement", e);
+                }
+            }
+
+            if (connection != null) {
+                try {
+                    connection.close();
+                } catch (SQLException e) {
+                    log.error("Error closing connection", e);
+                }
+            }
+        }
+
+        Collections.sort(userList);
+
+        return userList;
+
+    }
+
+    public static String getPasswordRegularExpression() {
+        return "'^[a-zA-Z0-9_-]{6,15}$'";
+    }
+}

http://git-wip-us.apache.org/repos/asf/airavata/blob/58c58cf2/modules/credential-store/credential-store-webapp/src/main/java/org/apache/airavata/credentialstore/session/HttpAuthenticatorFilter.java
----------------------------------------------------------------------
diff --git a/modules/credential-store/credential-store-webapp/src/main/java/org/apache/airavata/credentialstore/session/HttpAuthenticatorFilter.java b/modules/credential-store/credential-store-webapp/src/main/java/org/apache/airavata/credentialstore/session/HttpAuthenticatorFilter.java
new file mode 100644
index 0000000..0847d54
--- /dev/null
+++ b/modules/credential-store/credential-store-webapp/src/main/java/org/apache/airavata/credentialstore/session/HttpAuthenticatorFilter.java
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+package org.apache.airavata.credentialstore.session;
+
+import org.apache.airavata.security.AuthenticationException;
+import org.apache.airavata.security.Authenticator;
+import org.apache.airavata.security.configurations.AuthenticatorConfigurationReader;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.xml.sax.SAXException;
+
+import javax.servlet.*;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.xml.parsers.ParserConfigurationException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Calendar;
+import java.util.List;
+
+/**
+ * A servlet filter class which intercepts the request and do authentication.
+ */
+public class HttpAuthenticatorFilter implements Filter {
+
+    private List<Authenticator> authenticatorList;
+
+    private static Logger log = LoggerFactory.getLogger(HttpAuthenticatorFilter.class);
+
+    private ServletRequestHelper servletRequestHelper = new ServletRequestHelper();
+
+    @Override
+    public void init(FilterConfig filterConfig) throws ServletException {
+        String authenticatorConfiguration = filterConfig.getInitParameter("authenticatorConfigurations");
+
+        //TODO make this able to read from a file as well
+
+
+        InputStream configurationFileStream = HttpAuthenticatorFilter.class.getClassLoader().
+                getResourceAsStream(authenticatorConfiguration);
+
+        if (configurationFileStream == null) {
+            String msg = "Invalid authenticator configuration. Cannot read file - ".concat(authenticatorConfiguration);
+            log.error(msg);
+            throw new ServletException(msg);
+        }
+
+        AuthenticatorConfigurationReader authenticatorConfigurationReader
+                = new AuthenticatorConfigurationReader();
+        try {
+            authenticatorConfigurationReader.init(configurationFileStream);
+        } catch (IOException e) {
+            String msg = "Error reading authenticator configurations.";
+
+            log.error(msg, e);
+            throw new ServletException(msg, e);
+        } catch (ParserConfigurationException e) {
+            String msg = "Error parsing authenticator configurations.";
+
+            log.error(msg, e);
+            throw new ServletException(msg, e);
+        } catch (SAXException e) {
+            String msg = "Error parsing authenticator configurations.";
+
+            log.error(msg, e);
+            throw new ServletException(msg, e);
+        } finally {
+            try {
+                configurationFileStream.close();
+            } catch (IOException e) {
+                log.error("Error closing authenticator file stream.", e);
+            }
+        }
+
+        this.authenticatorList = authenticatorConfigurationReader.getAuthenticatorList();
+
+        if (this.authenticatorList.isEmpty()) {
+            String msg = "No authenticators registered in the system. System cannot function without authenticators";
+            log.error(msg);
+            throw new ServletException(msg);
+        }
+
+    }
+
+    @Override
+    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
+
+        // Firs check whether authenticators are disabled
+        if (! AuthenticatorConfigurationReader.isAuthenticationEnabled()) {
+
+            // Extract user id and gateway id
+            try {
+                servletRequestHelper.addIdentityInformationToSession((HttpServletRequest) servletRequest);
+            } catch (AuthenticationException e) {
+                log.warn("Error adding identity information to session.", e);
+                populateUnauthorisedData(servletResponse, "Error adding identity information to session.");
+
+            }
+
+            filterChain.doFilter(servletRequest, servletResponse);
+            return;
+        }
+
+        HttpServletRequest httpServletRequest = (HttpServletRequest) servletRequest;
+
+        Authenticator authenticator = getAuthenticator(httpServletRequest);
+
+        if (authenticator == null) {
+            //sendUnauthorisedError(servletResponse, "Invalid request. Request does not contain sufficient credentials to authenticate");
+            populateUnauthorisedData(servletResponse, "Invalid request. Request does not contain sufficient credentials to authenticate");
+        } else {
+            if (authenticator.isAuthenticated(httpServletRequest)) {
+                // Allow request to flow
+                filterChain.doFilter(servletRequest, servletResponse);
+            } else {
+                try {
+                    if (!authenticator.authenticate(httpServletRequest)) {
+                        //sendUnauthorisedError(servletResponse, "Unauthorised : Provided credentials are not valid.");
+                        populateUnauthorisedData(servletResponse, "Invalid request. Request does not contain sufficient credentials to authenticate");
+                    } else {
+                        // Allow request to flow
+                        filterChain.doFilter(servletRequest, servletResponse);
+                    }
+                } catch (AuthenticationException e) {
+                    String msg = "An error occurred while authenticating request.";
+                    log.error(msg, e);
+                    //sendUnauthorisedError(servletResponse, e.getMessage());
+                    populateUnauthorisedData(servletResponse, "Invalid request. Request does not contain sufficient credentials to authenticate");
+                }
+            }
+        }
+    }
+
+    public static void sendUnauthorisedError(ServletResponse servletResponse, String message) throws IOException {
+        HttpServletResponse httpServletResponse = (HttpServletResponse) servletResponse;
+        httpServletResponse.sendError(HttpServletResponse.SC_UNAUTHORIZED, message);
+    }
+
+    @Override
+    public void destroy() {
+
+        this.authenticatorList = null;
+    }
+
+    private Authenticator getAuthenticator(HttpServletRequest httpServletRequest) {
+
+        for (Authenticator authenticator : authenticatorList) {
+            if (authenticator.canProcess(httpServletRequest)) {
+                return authenticator;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * This method will create a 401 unauthorized response to be sent.
+     *
+     * @param servletResponse The HTTP response.
+     */
+    public static void populateUnauthorisedData(ServletResponse servletResponse, String message) {
+
+        HttpServletResponse httpServletResponse = (HttpServletResponse)servletResponse;
+
+        httpServletResponse.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
+        httpServletResponse.addHeader("Server", "Airavata Server");
+        httpServletResponse.addHeader("Description", message);
+        httpServletResponse.addDateHeader("Date", Calendar.getInstance().getTimeInMillis());
+        httpServletResponse.addHeader("WWW-Authenticate", "Basic realm=Airavata");
+        httpServletResponse.setContentType("text/html");
+
+    }
+}