You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@geode.apache.org by ab...@apache.org on 2016/02/17 19:23:29 UTC
[25/51] [partial] incubator-geode git commit: GEODE-917: rename
gemfire subprojects to geode
http://git-wip-us.apache.org/repos/asf/incubator-geode/blob/f6c4c2f9/gemfire-core/src/main/java/com/gemstone/gemfire/DataSerializer.java
----------------------------------------------------------------------
diff --git a/gemfire-core/src/main/java/com/gemstone/gemfire/DataSerializer.java b/gemfire-core/src/main/java/com/gemstone/gemfire/DataSerializer.java
deleted file mode 100644
index 3b15085..0000000
--- a/gemfire-core/src/main/java/com/gemstone/gemfire/DataSerializer.java
+++ /dev/null
@@ -1,3565 +0,0 @@
-/*
- * 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 com.gemstone.gemfire;
-
-import java.io.DataInput;
-import java.io.DataOutput;
-import java.io.File;
-import java.io.IOException;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
-import java.io.Serializable;
-import java.lang.reflect.Array;
-import java.net.InetAddress;
-import java.net.UnknownHostException;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Comparator;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Hashtable;
-import java.util.IdentityHashMap;
-import java.util.LinkedHashSet;
-import java.util.LinkedList;
-import java.util.Map;
-import java.util.Properties;
-import java.util.Set;
-import java.util.Stack;
-import java.util.TreeMap;
-import java.util.TreeSet;
-import java.util.Vector;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentMap;
-
-import org.apache.logging.log4j.Logger;
-
-import com.gemstone.gemfire.admin.RegionNotFoundException;
-import com.gemstone.gemfire.cache.Cache;
-import com.gemstone.gemfire.cache.CacheFactory;
-import com.gemstone.gemfire.cache.Region;
-import com.gemstone.gemfire.internal.DSCODE;
-import com.gemstone.gemfire.internal.HeapDataOutputStream;
-import com.gemstone.gemfire.internal.InternalDataSerializer;
-import com.gemstone.gemfire.internal.ObjToByteArraySerializer;
-import com.gemstone.gemfire.internal.Sendable;
-import com.gemstone.gemfire.internal.Version;
-import com.gemstone.gemfire.internal.cache.CachedDeserializable;
-import com.gemstone.gemfire.internal.cache.EventID;
-import com.gemstone.gemfire.internal.cache.GemFireCacheImpl;
-import com.gemstone.gemfire.internal.cache.tier.sockets.ClientProxyMembershipID;
-import com.gemstone.gemfire.internal.i18n.LocalizedStrings;
-import com.gemstone.gemfire.internal.logging.LogService;
-import com.gemstone.gemfire.internal.logging.log4j.LogMarker;
-import com.gemstone.gemfire.internal.offheap.StoredObject;
-import com.gemstone.gemfire.pdx.PdxInstance;
-
-/**
- * Provides static helper methods for reading and writing
- * non-primitive data when working with a {@link DataSerializable}.
- * For instance, classes that implement <code>DataSerializable</code>
- * can use the <code>DataSerializer</code> in their
- * <code>toData</code> and <code>fromData</code> methods:
- *
- * <!--
- * The source code for the Employee class resides in
- * tests/com/examples/ds/Employee.java
- * Please keep the below code snippet in sync with that file.
- * -->
- *
- * <PRE>
-public class Employee implements DataSerializable {
- private int id;
- private String name;
- private Date birthday;
- private Company employer;
-
- public void toData(DataOutput out) throws IOException {
- out.writeInt(this.id);
- out.writeUTF(this.name);
- DataSerializer.writeDate(this.birthday, out);
- DataSerializer.writeObject(this.employer, out);
- }
-
- public void fromData(DataInput in)
- throws IOException, ClassNotFoundException {
-
- this.id = in.readInt();
- this.name = in.readUTF();
- this.birthday = DataSerializer.readDate(in);
- this.employer = (Company) DataSerializer.readObject(in);
- }
-}
-
- * </PRE>
- *
- * <P>
- *
- * Instances of <code>DataSerializer</code> are used to data serialize
- * objects (such as instances of standard Java classes or third-party
- * classes for which the source code is not available) that do not
- * implement the <code>DataSerializable</code> interface.
- *
- * <P>
- *
- * The following <code>DataSerializer</code> data serializes instances
- * of <code>Company</code>. In order for the data serialization
- * framework to consult this custom serializer, it must be {@linkplain
- * #register(Class) registered} with the framework.
- *
- * <!--
- * The source code for the CompanySerializer class resides in
- * tests/com/examples/ds/CompanySerializer.java
- * Please keep the below code snippet in sync with that file.
- * -->
- *
- * <PRE>
-public class CompanySerializer extends DataSerializer {
-
- static {
- DataSerializer.register(CompanySerializer.class);
- }
-
- /**
- * May be invoked reflectively if instances of Company are
- * distributed to other VMs.
- */
- public CompanySerializer() {
-
- }
-
- public Class[] getSupportedClasses() {
- return new Class[] { Company.class };
- }
- public int getId() {
- return 42;
- }
-
- public boolean toData(Object o, DataOutput out)
- throws IOException {
- if (o instanceof Company) {
- Company company = (Company) o;
- out.writeUTF(company.getName());
-
- // Let's assume that Address is java.io.Serializable
- Address address = company.getAddress();
- writeObject(address, out);
- return true;
-
- } else {
- return false;
- }
- }
-
- public Object fromData(DataInput in)
- throws IOException, ClassNotFoundException {
-
- String name = in.readUTF();
- Address address = (Address) readObject(in);
- return new Company(name, address);
- }
-}
- * </PRE>
- *
- * Just like {@link Instantiator}s, a <code>DataSerializer</code> may
- * be sent to other members of the distributed system when it is
- * {@linkplain #register(Class) registered}. The data serialization
- * framework does not require that a <code>DataSerializer</code> be
- * {@link Serializable}, but it does require that it provide a
- * {@linkplain #DataSerializer() zero-argument constructor}.
- *
- * @see #writeObject(Object, DataOutput)
- * @see #readObject
- *
- * @author David Whitlock
- * @since 3.5 */
-public abstract class DataSerializer {
-
- private static final Logger logger = LogService.getLogger();
-
- /** The eventId of this <code>DataSerializer</code> */
- private EventID eventId;
-
- /** The originator of this <code>DataSerializer</code> */
- private ClientProxyMembershipID context;
-
- protected static final boolean TRACE_SERIALIZABLE =
- Boolean.getBoolean("DataSerializer.TRACE_SERIALIZABLE");
-
- /* Used to prevent standard Java serialization when sending data to a non-Java client */
- protected static final ThreadLocal<Boolean> DISALLOW_JAVA_SERIALIZATION = new ThreadLocal<Boolean>();
-
- ////////////////////// Instance Fields /////////////////////
-
- ////////////////////// Static Methods //////////////////////
-
- /**
- * Writes an instance of <code>Class</code> to a
- * <code>DataOutput</code>.
- * This method will handle a
- * <code>null</code> value and not throw a
- * <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readClass
- */
- public static void writeClass(Class<?> c, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Class {}", c);
- }
-
- if (c == null || c.isPrimitive()) {
- InternalDataSerializer.writePrimitiveClass(c, out);
- }
- else {
- // non-primitive classes have a second CLASS byte
- // if readObject/writeObject is called:
- // the first CLASS byte indicates it's a Class, the second
- // one indicates it's a non-primitive Class
- out.writeByte(DSCODE.CLASS);
- String cname = c.getName();
- cname = swizzleClassNameForWrite(cname);
- writeString(cname, out);
- }
- }
-
- /**
- * Writes class name to a <code>DataOutput</code>. This method will handle a
- * <code>null</code> value and not throw a <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readNonPrimitiveClassName(DataInput)
- */
- public static void writeNonPrimitiveClassName(String className, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Class name {}", className);
- }
-
- writeString(swizzleClassNameForWrite(className), out);
- }
-
- /**
- * Reads an instance of <code>Class</code> from a
- * <code>DataInput</code>. The class will be loaded using the
- * {@linkplain Thread#getContextClassLoader current content class
- * loader}.
- * The return value may be <code>null</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @throws ClassNotFoundException
- * The class cannot be loaded
- */
- public static Class<?> readClass(DataInput in)
- throws IOException, ClassNotFoundException {
-
- InternalDataSerializer.checkIn(in);
-
- byte typeCode = in.readByte();
- if (typeCode == DSCODE.CLASS) {
- String className = readString(in);
- className = swizzleClassNameForRead(className);
- Class<?> c = InternalDataSerializer.getCachedClass(className); // fix for bug 41206
- return c;
- }
- else {
- return InternalDataSerializer.decodePrimitiveClass(typeCode);
- }
- }
-
- /**
- * For backward compatibility we must swizzle the package of
- * some classes that had to be moved when GemFire was open-
- * sourced. This preserves backward-compatibility.
- *
- * @param name the fully qualified class name
- * @return the name of the class in this implementation
- */
- private static String swizzleClassNameForRead(String name) {
- String oldPackage = "com.gemstone.org.jgroups.stack.tcpserver";
- String newPackage = "com.gemstone.gemfire.distributed.internal.tcpserver";
- String result = name;
- if (name.startsWith(oldPackage)) {
- result = newPackage + name.substring(oldPackage.length());
- }
- return result;
- }
-
- /**
- * For backward compatibility we must swizzle the package of
- * some classes that had to be moved when GemFire was open-
- * sourced. This preserves backward-compatibility.
- *
- * @param name the fully qualified class name
- * @return the name of the class in this implementation
- */
- private static String swizzleClassNameForWrite(String name) {
- String oldPackage = "com.gemstone.org.jgroups.stack.tcpserver";
- String newPackage = "com.gemstone.gemfire.distributed.internal.tcpserver";
- String result = name;
- if (name.startsWith(newPackage)) {
- result = oldPackage + name.substring(newPackage.length());
- }
- return result;
- }
-
- /**
- * Reads name of an instance of <code>Class</code> from a
- * <code>DataInput</code>.
- *
- * The return value may be <code>null</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @see #writeNonPrimitiveClassName(String, DataOutput)
- */
- public static String readNonPrimitiveClassName(DataInput in)
- throws IOException {
-
- InternalDataSerializer.checkIn(in);
-
- return swizzleClassNameForRead(readString(in));
- }
-
- /**
- * Writes an instance of Region. A Region is serialized as just a reference
- * to a full path only. It will be recreated on the other end by calling
- * {@link CacheFactory#getAnyInstance} and then calling
- * <code>getRegion</code> on it.
- * This method will handle a
- * <code>null</code> value and not throw a
- * <code>NullPointerException</code>.
- */
- public static void writeRegion(Region<?,?> rgn, DataOutput out)
- throws IOException {
- writeString((rgn != null) ? rgn.getFullPath() : null, out);
- }
-
- /**
- * Reads an instance of Region. A Region is serialized as a reference to a
- * full path only. It is recreated on the other end by calling
- * {@link CacheFactory#getAnyInstance} and then calling
- * <code>getRegion</code> on it.
- * The return value may be <code>null</code>.
- *
- * @param in the input stream
- * @return the Region instance
- * @throws com.gemstone.gemfire.cache.CacheClosedException if a cache has not been created or the only
- * created one is closed.
- * @throws RegionNotFoundException if there is no region by this name
- * in the Cache
- */
- public static <K,V> Region<K,V> readRegion(DataInput in)
- throws IOException, ClassNotFoundException {
- String fullPath = readString(in);
- Region<K,V> rgn = null;
- if (fullPath != null) {
- // use getExisting to fix bug 43151
- rgn = ((Cache)GemFireCacheImpl.getExisting("Needed cache to find region.")).getRegion(fullPath);
- if (rgn == null) {
- throw new RegionNotFoundException(LocalizedStrings.DataSerializer_REGION_0_COULD_NOT_BE_FOUND_WHILE_READING_A_DATASERIALIZER_STREAM.toLocalizedString(fullPath));
- }
- }
- return rgn;
- }
-
-
- /**
- * Writes an instance of <code>Date</code> to a
- * <code>DataOutput</code>. Note that even though <code>date</code>
- * may be an instance of a subclass of <code>Date</code>,
- * <code>readDate</code> will always return an instance of
- * <code>Date</code>, <B>not</B> an instance of the subclass. To
- * preserve the class type of <code>date</code>,\
- * {@link #writeObject(Object, DataOutput)} should be used for data serialization.
- * This method will handle a
- * <code>null</code> value and not throw a
- * <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readDate
- */
- public static void writeDate(Date date, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Date {}", date);
- }
-
- long v;
- if (date == null) {
- v = -1L;
- } else {
- v = date.getTime();
- if (v == -1L) {
- throw new IllegalArgumentException("Dates whose getTime returns -1 can not be DataSerialized.");
- }
- }
- out.writeLong(v);
- }
-
- /**
- * Reads an instance of <code>Date</code> from a
- * <code>DataInput</code>.
- * The return value may be <code>null</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- */
- public static Date readDate(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- long time = in.readLong();
- Date date = null;
- if (time != -1L) {
- date = new Date(time);
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Date {}", date);
- }
-
- return date;
- }
-
- /**
- * Writes an instance of <code>File</code> to a
- * <code>DataOutput</code>. Note that even though <code>file</code>
- * may be an instance of a subclass of <code>File</code>,
- * <code>readFile</code> will always return an instance of
- * <code>File</code>, <B>not</B> an instance of the subclass. To
- * preserve the class type of <code>file</code>,
- * {@link #writeObject(Object, DataOutput)} should be used for data serialization.
- * This method will handle a
- * <code>null</code> value and not throw a
- * <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readFile
- * @see File#getCanonicalPath
- */
- public static void writeFile(File file, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing File {}", file);
- }
-
- writeString((file != null) ? file.getCanonicalPath() : null, out);
- }
-
- /**
- * Reads an instance of <code>File</code> from a
- * <code>DataInput</code>.
- * The return value may be <code>null</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- */
- public static File readFile(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- String s = readString(in);
- File file = null;
- if (s != null) {
- file = new File(s);
- }
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read File {}", file);
- }
-
- return file;
- }
-
- /**
- * Writes an instance of <code>InetAddress</code> to a
- * <code>DataOutput</code>. The <code>InetAddress</code> is data
- * serialized by writing its {@link InetAddress#getAddress byte}
- * representation to the <code>DataOutput</code>. {@link
- * #readInetAddress} converts the <code>byte</code> representation
- * to an instance of <code>InetAddress</code> using {@link
- * InetAddress#getAddress}. As a result, if <code>address</code>
- * is an instance of a user-defined subclass of
- * <code>InetAddress</code> (that is, not an instance of one of the
- * subclasses from the <code>java.net</code> package), its class
- * will not be preserved. In order to be able to read an instance
- * of the user-defined class, {@link #writeObject(Object, DataOutput)} should be used.
- * This method will handle a
- * <code>null</code> value and not throw a
- * <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readInetAddress
- */
- public static void writeInetAddress(InetAddress address,
- DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing InetAddress {}", address);
- }
-
- writeByteArray((address != null) ? address.getAddress() : null, out);
- }
-
- /**
- * Reads an instance of <code>InetAddress</code> from a
- * <code>DataInput</code>.
- * The return value may be <code>null</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * or the address read from <code>in</code> is unknown
- *
- * @see InetAddress#getAddress
- */
- public static InetAddress readInetAddress(DataInput in)
- throws IOException {
-
- InternalDataSerializer.checkIn(in);
-
- byte[] address = readByteArray(in);
- if (address == null) {
- return null;
- }
-
- try {
- InetAddress addr = InetAddress.getByAddress(address);
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read InetAddress {}", addr);
- }
- return addr;
- } catch (UnknownHostException ex) {
- IOException ex2 = new IOException(LocalizedStrings.DataSerializer_WHILE_READING_AN_INETADDRESS.toLocalizedString());
- ex2.initCause(ex);
- throw ex2;
- }
-
- }
-
- /**
- * Writes an instance of <code>String</code> to a
- * <code>DataOutput</code>.
- * This method will handle a
- * <code>null</code> value and not throw a
- * <code>NullPointerException</code>.
- * <p>As of 5.7 strings longer than 0xFFFF can be serialized.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readString
- */
- public static void writeString(String value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- final boolean isDebugEnabled = logger.isTraceEnabled(LogMarker.SERIALIZER);
- if (isDebugEnabled) {
- logger.trace(LogMarker.SERIALIZER, "Writing String \"{}\"", value);
- }
-
- if (value == null) {
- if (isDebugEnabled) {
- logger.trace(LogMarker.SERIALIZER, "Writing NULL_STRING");
- }
- out.writeByte(DSCODE.NULL_STRING);
-
- } else {
- // [bruce] writeUTF is expensive - it creates a char[] to fetch
- // the string's contents, iterates over the array to compute the
- // encoded length, creates a byte[] to hold the encoded bytes,
- // iterates over the char[] again to create the encode bytes,
- // then writes the bytes. Since we usually deal with ISO-8859-1
- // strings, we can accelerate this by accessing chars directly
- // with charAt and fill a single-byte buffer. If we run into
- // a multibyte char, we revert to using writeUTF()
- int len = value.length();
- int utfLen = len; // added for bug 40932
- for (int i=0; i<len; i++) {
- char c = value.charAt(i);
- if ((c <= 0x007F) && (c >= 0x0001)) {
- // nothing needed
- } else if (c > 0x07FF) {
- utfLen += 2;
- } else {
- utfLen += 1;
- }
- // Note we no longer have an early out when we detect the first
- // non-ascii char because we need to compute the utfLen for bug 40932.
- // This is not a performance problem because most strings are ascii
- // and they never did the early out.
- }
- boolean writeUTF = utfLen > len;
- if (writeUTF) {
- if (utfLen > 0xFFFF) {
- if (isDebugEnabled) {
- logger.trace(LogMarker.SERIALIZER, "Writing utf HUGE_STRING of len={}", len);
- }
- out.writeByte(DSCODE.HUGE_STRING);
- out.writeInt(len);
- out.writeChars(value);
- } else {
- if (isDebugEnabled) {
- logger.trace(LogMarker.SERIALIZER, "Writing utf STRING of len={}", len);
- }
- out.writeByte(DSCODE.STRING);
- out.writeUTF(value);
- }
- }
- else {
- if (len > 0xFFFF) {
- if (isDebugEnabled) {
- logger.trace(LogMarker.SERIALIZER, "Writing HUGE_STRING_BYTES of len={}", len);
- }
- out.writeByte(DSCODE.HUGE_STRING_BYTES);
- out.writeInt(len);
- out.writeBytes(value);
- } else {
- if (isDebugEnabled) {
- logger.trace(LogMarker.SERIALIZER, "Writing STRING_BYTES of len={}", len);
- }
- out.writeByte(DSCODE.STRING_BYTES);
- out.writeShort(len);
- out.writeBytes(value);
- }
- }
- }
- }
-
- /**
- * Reads an instance of <code>String</code> from a
- * <code>DataInput</code>. The return value may be
- * <code>null</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- *
- * @see #writeString
- */
- public static String readString(DataInput in) throws IOException {
- return InternalDataSerializer.readString(in, in.readByte());
- }
-
- /**
- * Writes an instance of <code>Boolean</code> to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- * @throws NullPointerException if value is null.
- *
- * @see #readBoolean
- */
- public static void writeBoolean(Boolean value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Boolean {}", value);
- }
-
- out.writeBoolean(value.booleanValue());
- }
-
- /**
- * Reads an instance of <code>Boolean</code> from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- */
- public static Boolean readBoolean(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- Boolean value = Boolean.valueOf(in.readBoolean());
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Boolean {}", value);
- }
- return value;
- }
-
- /**
- * Writes an instance of <code>Character</code> to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- * @throws NullPointerException if value is null.
- *
- * @see #readCharacter
- */
- public static void writeCharacter(Character value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Character {}", value);
- }
-
- out.writeChar(value.charValue());
- }
-
- /**
- * Reads an instance of <code>Character</code> from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- */
- public static Character readCharacter(DataInput in)
- throws IOException {
-
- InternalDataSerializer.checkIn(in);
-
- Character value = Character.valueOf(in.readChar());
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Character {}", value);
- }
- return value;
- }
-
- /**
- * Writes an instance of <code>Byte</code> to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- * @throws NullPointerException if value is null.
- *
- * @see #readByte
- */
- public static void writeByte(Byte value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Byte {}", value);
- }
-
- out.writeByte(value.byteValue());
- }
-
- /**
- * Reads an instance of <code>Byte</code> from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- */
- public static Byte readByte(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- Byte value = Byte.valueOf(in.readByte());
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Byte {}", value);
- }
- return value;
- }
-
- /**
- * Writes an instance of <code>Short</code> to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- * @throws NullPointerException if value is null.
- *
- * @see #readShort
- */
- public static void writeShort(Short value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Short {}", value);
- }
-
- out.writeShort(value.shortValue());
- }
-
- /**
- * Reads an instance of <code>Short</code> from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- */
- public static Short readShort(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- Short value = Short.valueOf(in.readShort());
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Short {}", value);
- }
- return value;
- }
-
- /**
- * Writes an instance of <code>Integer</code> to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- * @throws NullPointerException if value is null.
- *
- * @see #readInteger
- */
- public static void writeInteger(Integer value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Integer {}", value);
- }
-
- out.writeInt(value.intValue());
- }
-
- /**
- * Reads an instance of <code>Integer</code> from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- */
- public static Integer readInteger(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- Integer value = Integer.valueOf(in.readInt());
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Integer {}", value);
- }
- return value;
- }
-
- /**
- * Writes an instance of <code>Long</code> to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- * @throws NullPointerException if value is null.
- *
- * @see #readLong
- */
- public static void writeLong(Long value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Long {}", value);
- }
-
- out.writeLong(value.longValue());
- }
-
- /**
- * Reads an instance of <code>Long</code> from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- */
- public static Long readLong(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- Long value = Long.valueOf(in.readLong());
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Long {}", value);
- }
- return value;
- }
-
- /**
- * Writes an instance of <code>Float</code> to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- * @throws NullPointerException if value is null.
- *
- * @see #readFloat
- */
- public static void writeFloat(Float value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Float {}", value);
- }
-
- out.writeFloat(value.floatValue());
- }
-
- /**
- * Reads an instance of <code>Float</code> from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- */
- public static Float readFloat(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- Float value = Float.valueOf(in.readFloat());
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Float {}", value);
- }
- return value;
- }
-
- /**
- * Writes an instance of <code>Double</code> to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- * @throws NullPointerException if value is null.
- *
- * @see #readDouble
- */
- public static void writeDouble(Double value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Double {}", value);
- }
-
- out.writeDouble(value.doubleValue());
- }
-
- /**
- * Reads an instance of <code>Double</code> from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- */
- public static Double readDouble(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- Double value = Double.valueOf(in.readDouble());
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Double {}", value);
- }
- return value;
- }
-
- /**
- * Writes a primitive <code>boolean</code> to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see DataOutput#writeBoolean
- * @since 5.1
- */
- public static void writePrimitiveBoolean(boolean value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Boolean {}", value);
- }
-
- out.writeBoolean(value);
- }
-
- /**
- * Reads a primitive <code>boolean</code> from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @see DataInput#readBoolean
- * @since 5.1
- */
- public static boolean readPrimitiveBoolean(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- boolean value = in.readBoolean();
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Boolean {}", value);
- }
- return value;
- }
-
- /**
- * Writes a primitive <code>byte</code> to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see DataOutput#writeByte
- * @since 5.1
- */
- public static void writePrimitiveByte(byte value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Byte {}", value);
- }
-
- out.writeByte(value);
- }
-
- /**
- * Reads a primitive <code>byte</code> from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @see DataInput#readByte
- * @since 5.1
- */
- public static byte readPrimitiveByte(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- byte value = in.readByte();
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Byte {}", value);
- }
- return value;
- }
-
- /**
- * Writes a primitive <code>char</code> to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see DataOutput#writeChar
- * @since 5.1
- */
- public static void writePrimitiveChar(char value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Char {}", value);
- }
-
- out.writeChar(value);
- }
-
- /**
- * Reads a primitive <code>char</code> from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @see DataInput#readChar
- * @since 5.1
- */
- public static char readPrimitiveChar(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- char value = in.readChar();
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Char {}", value);
- }
- return value;
- }
-
- /**
- * Writes a primitive <code>short</code> to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see DataOutput#writeShort
- * @since 5.1
- */
- public static void writePrimitiveShort(short value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Short {}", value);
- }
-
- out.writeShort(value);
- }
-
- /**
- * Reads a primitive <code>short</code> from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @see DataInput#readShort
- * @since 5.1
- */
- public static short readPrimitiveShort(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- short value = in.readShort();
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Short {}", value);
- }
- return value;
- }
-
- /**
- * Writes a primitive <code>int</code> as an unsigned byte to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see DataOutput#writeByte
- * @see DataInput#readUnsignedByte
- * @since 5.1
- */
- public static void writeUnsignedByte(int value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Unsigned Byte {}", value);
- }
-
- out.writeByte(value);
- }
-
- /**
- * Reads a primitive <code>int</code> as an unsigned byte from a
- * <code>DataInput</code> using {@link DataInput#readUnsignedByte}.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @since 5.1
- */
- public static int readUnsignedByte(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- int value = in.readUnsignedByte();
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Unsigned Byte {}", value);
- }
- return value;
- }
-
- /**
- * Writes a primitive <code>int</code> as an unsigned short to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see DataOutput#writeShort
- * @see DataInput#readUnsignedShort
- * @since 5.1
- */
- public static void writeUnsignedShort(int value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Unsigned Short {}", value);
- }
-
- out.writeShort(value);
- }
-
- /**
- * Reads a primitive <code>int</code> as an unsigned short from a
- * <code>DataInput</code> using {@link DataInput#readUnsignedShort}.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @since 5.1
- */
- public static int readUnsignedShort(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- int value = in.readUnsignedShort();
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Unsigned Short {}", value);
- }
- return value;
- }
-
- /**
- * Writes a primitive <code>int</code> to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see DataOutput#writeInt
- */
- public static void writePrimitiveInt(int value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Integer {}", value);
- }
-
- out.writeInt(value);
- }
-
- /**
- * Reads a primitive <code>int</code> from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @see DataInput#readInt
- * @since 5.1
- */
- public static int readPrimitiveInt(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- int value = in.readInt();
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Integer {}", value);
- }
- return value;
- }
-
- /**
- * Writes a primitive <code>long</code> to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see DataOutput#writeLong
- * @since 5.1
- */
- public static void writePrimitiveLong(long value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Long {}", value);
- }
-
- out.writeLong(value);
- }
-
- /**
- * Reads a primitive <code>long</code> from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @see DataInput#readLong
- * @since 5.1
- */
- public static long readPrimitiveLong(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- long value = in.readLong();
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Long {}", value);
- }
- return value;
- }
-
- /**
- * Writes a primitive <code>float</code> to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see DataOutput#writeFloat
- * @since 5.1
- */
- public static void writePrimitiveFloat(float value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Float {}", value);
- }
-
- out.writeFloat(value);
- }
-
- /**
- * Reads a primitive <code>float</code> from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @see DataInput#readFloat
- * @since 5.1
- */
- public static float readPrimitiveFloat(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- float value = in.readFloat();
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Float {}", value);
- }
- return value;
- }
-
- /**
- * Writes a primtive <code>double</code> to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see DataOutput#writeDouble
- * @since 5.1
- */
- public static void writePrimitiveDouble(double value, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Double {}", value);
- }
-
- out.writeDouble(value);
- }
-
- /**
- * Reads a primitive <code>double</code> from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @see DataInput#readDouble
- * @since 5.1
- */
- public static double readPrimitiveDouble(DataInput in) throws IOException {
- InternalDataSerializer.checkIn(in);
-
- double value = in.readDouble();
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Double {}", value);
- }
- return value;
- }
-
- /**
- * Writes an array of <code>byte</code>s to a
- * <code>DataOutput</code>.
- * This method will serialize a
- * <code>null</code> array and not throw a
- * <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readByteArray
- */
- public static void writeByteArray(byte[] array, DataOutput out)
- throws IOException {
- int len = 0;
- if (array != null) {
- len = array.length;
- }
- writeByteArray(array, len, out);
- }
-
- /**
- * Writes the first <code>len</code> elements
- * of an array of <code>byte</code>s to a
- * <code>DataOutput</code>.
- * This method will serialize a
- * <code>null</code> array and not throw a
- * <code>NullPointerException</code>.
- *
- * @param len the actual number of entries to write. If len is greater
- * than then length of the array then the entire array is written.
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readByteArray
- */
- public static void writeByteArray(byte[] array, int len, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- int length = len; // to avoid warnings about parameter assignment
-
- if (array == null) {
- length = -1;
- } else {
- if (length > array.length) {
- length = array.length;
- }
- }
- InternalDataSerializer.writeArrayLength(length, out);
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing byte array of length {}", length);
- }
- if (length > 0) {
- out.write(array, 0, length);
- }
- }
- /**
- * Serialize the given object <code>obj</code> into a byte array
- * using {@link #writeObject(Object, DataOutput)} and then writes the byte array
- * to the given data output <code>out</code> in the same format
- * {@link #writeByteArray(byte[], DataOutput)} does.
- * This method will serialize a
- * <code>null</code> obj and not throw a
- * <code>NullPointerException</code>.
- *
- * @param obj the object to serialize and write
- * @param out the data output to write the byte array to
- * @throws IllegalArgumentException
- * if a problem occurs while serialize <code>obj</code>
- * @throws IOException
- * if a problem occurs while writing to <code>out</code>
- *
- * @see #readByteArray
- * @since 5.0.2
- */
- public static void writeObjectAsByteArray(Object obj, DataOutput out)
- throws IOException {
- Object object = obj;
- if (obj instanceof CachedDeserializable) {
- if (obj instanceof StoredObject) {
- StoredObject so = (StoredObject)obj;
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "writeObjectAsByteArray StoredObject");
- }
- so.sendAsByteArray(out);
- return;
- } else {
- object = ((CachedDeserializable) obj).getSerializedValue();
- }
- }
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- if (object == null) {
- logger.trace(LogMarker.SERIALIZER, "writeObjectAsByteArray null");
- } else {
- logger.trace(LogMarker.SERIALIZER, "writeObjectAsByteArray obj.getClass={}", object.getClass());
- }
- }
- if (object instanceof byte[] || object == null) {
- writeByteArray((byte[])object, out);
- } else if (out instanceof ObjToByteArraySerializer) {
- ((ObjToByteArraySerializer)out).writeAsSerializedByteArray(object);
- }/*else if (obj instanceof Sendable) {
- ((Sendable)obj).sendTo(out);
- } */
- else {
- HeapDataOutputStream hdos;
- if (object instanceof HeapDataOutputStream) {
- hdos = (HeapDataOutputStream)object;
- } else {
- Version v = InternalDataSerializer.getVersionForDataStreamOrNull(out);
- if (v == null) {
- v = Version.CURRENT;
- }
- hdos = new HeapDataOutputStream(v);
- try {
- DataSerializer.writeObject(object, hdos);
- } catch (IOException e) {
- RuntimeException e2 = new IllegalArgumentException(LocalizedStrings.DataSerializer_PROBELM_WHILE_SERIALIZING.toLocalizedString());
- e2.initCause(e);
- throw e2;
- }
- }
- InternalDataSerializer.writeArrayLength(hdos.size(), out);
- hdos.sendTo(out);
- }
- }
-
- /**
- * Reads an array of <code>byte</code>s from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- *
- * @see #writeByteArray(byte[], DataOutput)
- */
- public static byte[] readByteArray(DataInput in)
- throws IOException {
-
- InternalDataSerializer.checkIn(in);
-
- int length = InternalDataSerializer.readArrayLength(in);
- if (length == -1) {
- return null;
- } else {
- byte[] array = new byte[length];
- in.readFully(array, 0, length);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read byte array of length {}", length);
- }
-
- return array;
- }
- }
-
- /**
- * Writes an array of <code>String</code>s to a
- * <code>DataOutput</code>.
- * This method will serialize a
- * <code>null</code> array and not throw a
- * <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readStringArray
- * @see #writeString
- */
- public static void writeStringArray(String[] array, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- int length;
- if (array == null) {
- length = -1;
- } else {
- length = array.length;
- }
- InternalDataSerializer.writeArrayLength(length, out);
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing String array of length {}", length);
- }
- if (length > 0) {
- for (int i = 0; i < length; i++) {
- writeString(array[i], out);
- }
- }
- }
-
- /**
- * Reads an array of <code>String</code>s from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- *
- * @see #writeStringArray
- */
- public static String[] readStringArray(DataInput in)
- throws IOException {
-
- InternalDataSerializer.checkIn(in);
-
- int length = InternalDataSerializer.readArrayLength(in);
- if (length == -1) {
- return null;
- } else {
- String[] array = new String[length];
- for (int i = 0; i < length; i++) {
- array[i] = readString(in);
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read String array of length {}", length);
- }
-
- return array;
- }
- }
-
- /**
- * Writes an array of <code>short</code>s to a
- * <code>DataOutput</code>.
- * This method will serialize a
- * <code>null</code> array and not throw a
- * <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readShortArray
- */
- public static void writeShortArray(short[] array, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- int length;
- if (array == null) {
- length = -1;
- } else {
- length = array.length;
- }
- InternalDataSerializer.writeArrayLength(length, out);
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing short array of length {}", length);
- }
- if (length > 0) {
- for (int i = 0; i < length; i++) {
- out.writeShort(array[i]);
- }
- }
- }
-
- /**
- * Reads an array of <code>short</code>s from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- *
- * @see #writeShortArray
- */
- public static short[] readShortArray(DataInput in)
- throws IOException {
-
- InternalDataSerializer.checkIn(in);
-
- int length = InternalDataSerializer.readArrayLength(in);
- if (length == -1) {
- return null;
- } else {
- short[] array = new short[length];
- for (int i = 0; i < length; i++) {
- array[i] = in.readShort();
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read short array of length {}", length);
- }
-
- return array;
- }
- }
-
- /**
- * Writes an array of <code>char</code>s to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readCharArray
- * @since 5.7
- */
- public static void writeCharArray(char[] array, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.writeCharArray(array, array != null ? array.length
- : -1, out);
- }
-
- /**
- * Reads an array of <code>char</code>s from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- *
- * @see #writeCharArray
- * @since 5.7
- */
- public static char[] readCharArray(DataInput in)
- throws IOException {
-
- InternalDataSerializer.checkIn(in);
-
- int length = InternalDataSerializer.readArrayLength(in);
- if (length == -1) {
- return null;
- } else {
- char[] array = new char[length];
- for (int i = 0; i < length; i++) {
- array[i] = in.readChar();
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read char array of length {}", length);
- }
-
- return array;
- }
- }
- /**
- * Writes an array of <code>boolean</code>s to a
- * <code>DataOutput</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readBooleanArray
- * @since 5.7
- */
- public static void writeBooleanArray(boolean[] array, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- int length;
- if (array == null) {
- length = -1;
- } else {
- length = array.length;
- }
- InternalDataSerializer.writeArrayLength(length, out);
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing boolean array of length {}", length);
- }
- if (length > 0) {
- for (int i = 0; i < length; i++) {
- out.writeBoolean(array[i]);
- }
- }
- }
-
- /**
- * Reads an array of <code>boolean</code>s from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- *
- * @see #writeBooleanArray
- * @since 5.7
- */
- public static boolean[] readBooleanArray(DataInput in)
- throws IOException {
-
- InternalDataSerializer.checkIn(in);
-
- int length = InternalDataSerializer.readArrayLength(in);
- if (length == -1) {
- return null;
- } else {
- boolean[] array = new boolean[length];
- for (int i = 0; i < length; i++) {
- array[i] = in.readBoolean();
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read boolean array of length {}", length);
- }
-
- return array;
- }
- }
- /**
- * Writes an <code>int</code> array to a <code>DataOutput</code>.
- * This method will serialize a
- * <code>null</code> array and not throw a
- * <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readIntArray
- */
- public static void writeIntArray(int[] array, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- int length;
- if (array == null) {
- length = -1;
- } else {
- length = array.length;
- }
- InternalDataSerializer.writeArrayLength(length, out);
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing int array of length {}", length);
- }
- if (length > 0) {
- for (int i = 0; i < length; i++) {
- out.writeInt(array[i]);
- }
- }
- }
-
- /**
- * Reads an <code>int</code> array from a <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- *
- * @see #writeIntArray
- */
- public static int[] readIntArray(DataInput in)
- throws IOException {
-
- InternalDataSerializer.checkIn(in);
-
- int length = InternalDataSerializer.readArrayLength(in);
- if (length == -1) {
- return null;
- } else {
- int[] array = new int[length];
- for (int i = 0; i < length; i++) {
- array[i] = in.readInt();
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read int array of length {}", length);
- }
-
- return array;
- }
- }
-
- /**
- * Writes an array of <code>long</code>s to a
- * <code>DataOutput</code>.
- * This method will serialize a
- * <code>null</code> array and not throw a
- * <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readLongArray
- */
- public static void writeLongArray(long[] array, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- int length;
- if (array == null) {
- length = -1;
- } else {
- length = array.length;
- }
- InternalDataSerializer.writeArrayLength(length, out);
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing long array of length {}", length);
- }
- if (length > 0) {
- for (int i = 0; i < length; i++) {
- out.writeLong(array[i]);
- }
- }
- }
-
- /**
- * Reads an array of <code>long</code>s from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- *
- * @see #writeLongArray
- */
- public static long[] readLongArray(DataInput in)
- throws IOException {
-
- InternalDataSerializer.checkIn(in);
-
- int length = InternalDataSerializer.readArrayLength(in);
- if (length == -1) {
- return null;
- } else {
- long[] array = new long[length];
- for (int i = 0; i < length; i++) {
- array[i] = in.readLong();
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read long array of length {}", length);
- }
-
- return array;
- }
- }
-
- /**
- * Writes an array of <code>float</code>s to a
- * <code>DataOutput</code>.
- * This method will serialize a
- * <code>null</code> array and not throw a
- * <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readFloatArray
- */
- public static void writeFloatArray(float[] array, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- int length;
- if (array == null) {
- length = -1;
- } else {
- length = array.length;
- }
- InternalDataSerializer.writeArrayLength(length, out);
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing float array of length {}", length);
- }
- if (length > 0) {
- for (int i = 0; i < length; i++) {
- out.writeFloat(array[i]);
- }
- }
- }
-
- /**
- * Reads an array of <code>float</code>s from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- *
- * @see #writeFloatArray
- */
- public static float[] readFloatArray(DataInput in)
- throws IOException {
-
- InternalDataSerializer.checkIn(in);
-
- int length = InternalDataSerializer.readArrayLength(in);
- if (length == -1) {
- return null;
- } else {
- float[] array = new float[length];
- for (int i = 0; i < length; i++) {
- array[i] = in.readFloat();
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read float array of length {}", length);
- }
-
- return array;
- }
- }
-
- /**
- * Writes an array of <code>double</code>s to a
- * <code>DataOutput</code>.
- * This method will serialize a
- * <code>null</code> array and not throw a
- * <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readDoubleArray
- */
- public static void writeDoubleArray(double[] array, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- int length;
- if (array == null) {
- length = -1;
- } else {
- length = array.length;
- }
- InternalDataSerializer.writeArrayLength(length, out);
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing double array of length {}", length);
- }
- if (length > 0) {
- for (int i = 0; i < length; i++) {
- out.writeDouble(array[i]);
- }
- }
- }
-
- /**
- * Reads an array of <code>double</code>s from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- *
- * @see #writeDoubleArray
- */
- public static double[] readDoubleArray(DataInput in)
- throws IOException {
-
- InternalDataSerializer.checkIn(in);
-
- int length = InternalDataSerializer.readArrayLength(in);
- if (length == -1) {
- return null;
- } else {
- double[] array = new double[length];
- for (int i = 0; i < length; i++) {
- array[i] = in.readDouble();
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read double array of length {}", length);
- }
-
- return array;
- }
- }
-
- /**
- * Writes an array of <code>Object</code>s to a
- * <code>DataOutput</code>.
- * This method will serialize a
- * <code>null</code> array and not throw a
- * <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readObjectArray
- * @see #writeObject(Object, DataOutput)
- */
- public static void writeObjectArray(Object[] array, DataOutput out)
- throws IOException {
- InternalDataSerializer.writeObjectArray(array, out, false);
- }
-
- /**
- * Reads an array of <code>Object</code>s from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- *
- * @see #writeObjectArray
- * @see #readObject
- */
- public static Object[] readObjectArray(DataInput in)
- throws IOException, ClassNotFoundException {
-
- InternalDataSerializer.checkIn(in);
-
- int length = InternalDataSerializer.readArrayLength(in);
- if (length == -1) {
- return null;
- } else {
- Class<?> c = null;
- byte typeCode = in.readByte();
- String typeString = null;
- if (typeCode == DSCODE.CLASS) {
- typeString = readString(in);
- }
-
- GemFireCacheImpl cache = GemFireCacheImpl.getInstance();
- boolean lookForPdxInstance = false;
- ClassNotFoundException cnfEx = null;
- if (typeCode == DSCODE.CLASS
- && cache != null && cache.getPdxReadSerializedByAnyGemFireServices()) {
- try {
- c = InternalDataSerializer.getCachedClass(typeString);
- lookForPdxInstance = true;
- } catch (ClassNotFoundException ignore) {
- c = Object.class;
- cnfEx = ignore;
- }
- } else {
- if (typeCode == DSCODE.CLASS) {
- c = InternalDataSerializer.getCachedClass(typeString);
- } else {
- c = InternalDataSerializer.decodePrimitiveClass(typeCode);
- }
- }
- Object o = null;
- if (length > 0) {
- o = readObject(in);
- if (lookForPdxInstance && o instanceof PdxInstance) {
- lookForPdxInstance = false;
- c = Object.class;
- }
- }
- Object[] array = (Object[]) Array.newInstance(c, length);
- if (length > 0) {
- array[0] = o;
- }
- for (int i = 1; i < length; i++) {
- o = readObject(in);
- if (lookForPdxInstance && o instanceof PdxInstance) {
- // create an Object[] and copy all the entries we already did into it
- lookForPdxInstance = false;
- c = Object.class;
- Object[] newArray = (Object[])Array.newInstance(c, length);
- System.arraycopy(array, 0, newArray, 0, i);
- array = newArray;
- }
- array[i] = o;
- }
- if (lookForPdxInstance && cnfEx != null && length > 0) {
- // We have a non-empty array and didn't find any
- // PdxInstances in it. So we should have been able
- // to load the element type.
- // Note that empty arrays in this case will deserialize
- // as an Object[] since we can't tell if the element
- // type is a pdx one.
- throw cnfEx;
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Object array of length {}", length);
- }
-
- return array;
- }
- }
-
- /**
- * Writes an array of <tt>byte[]</tt> to a <tt>DataOutput</tt>.
- *
- * @throws IOException
- * A problem occurs while writing to <tt>out</tt>.
- *
- */
- public static void writeArrayOfByteArrays(byte[][] array, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
- int length;
- if (array == null) {
- length = -1;
- }
- else {
- length = array.length;
- }
- InternalDataSerializer.writeArrayLength(length, out);
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing byte[][] of length {}", length);
- }
- if (length >= 0) {
- for (int i = 0; i < length; i++) {
- writeByteArray(array[i], out);
- }
- }
- }
-
- /**
- * Reads an array of <code>byte[]</code>s from a
- * <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- */
- public static byte[][] readArrayOfByteArrays(DataInput in)
- throws IOException, ClassNotFoundException {
-
- InternalDataSerializer.checkIn(in);
-
- int length = InternalDataSerializer.readArrayLength(in);
- if (length == -1) {
- return null;
- } else {
- byte[][] array = new byte[length][];
- for (int i = 0; i < length; i++) {
- array[i] = readByteArray(in);
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read byte[][] of length {}", length);
- }
-
- return array;
- }
- }
-
-
- /**
- * Writes an <code>ArrayList</code> to a <code>DataOutput</code>.
- * Note that even though <code>list</code> may be an instance of a
- * subclass of <code>ArrayList</code>, <code>readArrayList</code>
- * will always return an instance of <code>ArrayList</code>,
- * <B>not</B> an instance of the subclass. To preserve the class
- * type of <code>list</code>, {@link #writeObject(Object, DataOutput)} should be used
- * for data serialization.
- * This method will serialize a
- * <code>null</code> list and not throw a
- * <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readArrayList
- */
- public static void writeArrayList(ArrayList<?> list, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- int size;
- if (list == null) {
- size = -1;
- } else {
- size = list.size();
- }
- InternalDataSerializer.writeArrayLength(size, out);
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing ArrayList with {} elements: {}", size, list);
- }
- if (size > 0) {
- for (int i=0; i < size; i++) {
- writeObject(list.get(i), out);
- }
- }
- }
-
-
-
- /**
- * Reads an <code>ArrayList</code> from a <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @throws ClassNotFoundException
- * The class of one of the <Code>ArrayList</code>'s
- * elements cannot be found.
- *
- * @see #writeArrayList
- */
- public static <E> ArrayList<E> readArrayList(DataInput in)
- throws IOException, ClassNotFoundException {
-
- InternalDataSerializer.checkIn(in);
-
- int size = InternalDataSerializer.readArrayLength(in);
- if (size == -1) {
- return null;
- } else {
- ArrayList<E> list = new ArrayList<E>(size);
- for (int i = 0; i < size; i++) {
- E element = DataSerializer.<E>readObject(in);
- list.add(element);
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read ArrayList with {} elements: {}", size, list);
- }
-
- return list;
- }
- }
-
- /**
- * Writes an <code>Vector</code> to a <code>DataOutput</code>.
- * Note that even though <code>list</code> may be an instance of a
- * subclass of <code>Vector</code>, <code>readVector</code>
- * will always return an instance of <code>Vector</code>,
- * <B>not</B> an instance of the subclass. To preserve the class
- * type of <code>list</code>, {@link #writeObject(Object, DataOutput)} should be used
- * for data serialization.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readVector
- * @since 5.7
- */
- public static void writeVector(Vector<?> list, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- int size;
- if (list == null) {
- size = -1;
- } else {
- size = list.size();
- }
- InternalDataSerializer.writeArrayLength(size, out);
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Vector with {} elements: {}", size, list);
- }
- if (size > 0) {
- for (int i=0; i < size; i++) {
- writeObject(list.get(i), out);
- }
- }
- }
-
- /**
- * Reads an <code>Vector</code> from a <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @throws ClassNotFoundException
- * The class of one of the <Code>Vector</code>'s
- * elements cannot be found.
- *
- * @see #writeVector
- * @since 5.7
- */
- public static <E> Vector<E> readVector(DataInput in)
- throws IOException, ClassNotFoundException {
-
- InternalDataSerializer.checkIn(in);
-
- int size = InternalDataSerializer.readArrayLength(in);
- if (size == -1) {
- return null;
- } else {
- Vector<E> list = new Vector<E>(size);
- for (int i = 0; i < size; i++) {
- E element = DataSerializer.<E>readObject(in);
- list.add(element);
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Vector with {} elements: {}", size, list);
- }
-
- return list;
- }
- }
-
- /**
- * Writes an <code>Stack</code> to a <code>DataOutput</code>.
- * Note that even though <code>list</code> may be an instance of a
- * subclass of <code>Stack</code>, <code>readStack</code>
- * will always return an instance of <code>Stack</code>,
- * <B>not</B> an instance of the subclass. To preserve the class
- * type of <code>list</code>, {@link #writeObject(Object, DataOutput)} should be used
- * for data serialization.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readStack
- * @since 5.7
- */
- public static void writeStack(Stack<?> list, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- int size;
- if (list == null) {
- size = -1;
- } else {
- size = list.size();
- }
- InternalDataSerializer.writeArrayLength(size, out);
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing Stack with {} elements: {}", size, list);
- }
- if (size > 0) {
- for (int i=0; i < size; i++) {
- writeObject(list.get(i), out);
- }
- }
- }
-
- /**
- * Reads an <code>Stack</code> from a <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @throws ClassNotFoundException
- * The class of one of the <Code>Stack</code>'s
- * elements cannot be found.
- *
- * @see #writeStack
- * @since 5.7
- */
- public static <E> Stack<E> readStack(DataInput in)
- throws IOException, ClassNotFoundException {
-
- InternalDataSerializer.checkIn(in);
-
- int size = InternalDataSerializer.readArrayLength(in);
- if (size == -1) {
- return null;
- } else {
- Stack<E> list = new Stack<E>();
- for (int i = 0; i < size; i++) {
- E element = DataSerializer.<E>readObject(in);
- list.add(element);
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read Stack with {} elements: {}", size, list);
- }
-
- return list;
- }
- }
-
- /**
- * Writes an <code>LinkedList</code> to a <code>DataOutput</code>.
- * Note that even though <code>list</code> may be an instance of a
- * subclass of <code>LinkedList</code>, <code>readLinkedList</code>
- * will always return an instance of <code>LinkedList</code>,
- * <B>not</B> an instance of the subclass. To preserve the class
- * type of <code>list</code>, {@link #writeObject(Object, DataOutput)} should be used
- * for data serialization.
- * This method will serialize a
- * <code>null</code> list and not throw a
- * <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readLinkedList
- */
- public static void writeLinkedList(LinkedList<?> list, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- int size;
- if (list == null) {
- size = -1;
- } else {
- size = list.size();
- }
- InternalDataSerializer.writeArrayLength(size, out);
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing LinkedList with {} elements: {}", size, list);
- }
- if (size > 0) {
- for (Object e: list) {
- writeObject(e, out);
- }
- }
- }
-
- /**
- * Reads an <code>LinkedList</code> from a <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @throws ClassNotFoundException
- * The class of one of the <Code>LinkedList</code>'s
- * elements cannot be found.
- *
- * @see #writeLinkedList
- */
- public static <E> LinkedList<E> readLinkedList(DataInput in)
- throws IOException, ClassNotFoundException {
-
- InternalDataSerializer.checkIn(in);
-
- int size = InternalDataSerializer.readArrayLength(in);
- if (size == -1) {
- return null;
- } else {
- LinkedList<E> list = new LinkedList<E>();
- for (int i = 0; i < size; i++) {
- E element = DataSerializer.<E>readObject(in);
- list.add(element);
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read LinkedList with {} elements: {}", size, list);
- }
-
- return list;
- }
- }
-
- /**
- * Writes a <code>HashSet</code> to a <code>DataOutput</code>. Note
- * that even though <code>set</code> may be an instance of a
- * subclass of <code>HashSet</code>, <code>readHashSet</code> will
- * always return an instance of <code>HashSet</code>, <B>not</B> an
- * instance of the subclass. To preserve the class type of
- * <code>set</code>, {@link #writeObject(Object, DataOutput)} should be used for data
- * serialization.
- * This method will serialize a
- * <code>null</code> set and not throw a
- * <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readHashSet
- */
- public static void writeHashSet(HashSet<?> set, DataOutput out)
- throws IOException {
- InternalDataSerializer.writeSet(set, out);
- }
-
- /**
- * Reads a <code>HashSet</code> from a <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @throws ClassNotFoundException
- * The class of one of the <Code>HashSet</code>'s
- * elements cannot be found.
- *
- * @see #writeHashSet
- */
- public static <E> HashSet<E> readHashSet(DataInput in)
- throws IOException, ClassNotFoundException {
-
- InternalDataSerializer.checkIn(in);
-
- int size = InternalDataSerializer.readArrayLength(in);
- if (size == -1) {
- return null;
- } else {
- HashSet<E> set = new HashSet<E>(size);
- for (int i = 0; i < size; i++) {
- E element = DataSerializer.<E>readObject(in);
- set.add(element);
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read HashSet with {} elements: {}", size, set);
- }
-
- return set;
- }
- }
-
- /**
- * Writes a <code>LinkedHashSet</code> to a <code>DataOutput</code>. Note
- * that even though <code>set</code> may be an instance of a
- * subclass of <code>LinkedHashSet</code>, <code>readLinkedHashSet</code> will
- * always return an instance of <code>LinkedHashSet</code>, <B>not</B> an
- * instance of the subclass. To preserve the class type of
- * <code>set</code>, {@link #writeObject(Object, DataOutput)} should be used for data
- * serialization.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readLinkedHashSet
- * @since 5.7
- */
- public static void writeLinkedHashSet(LinkedHashSet<?> set, DataOutput out)
- throws IOException {
- InternalDataSerializer.writeSet(set, out);
- }
-
- /**
- * Reads a <code>LinkedHashSet</code> from a <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @throws ClassNotFoundException
- * The class of one of the <Code>LinkedHashSet</code>'s
- * elements cannot be found.
- *
- * @see #writeLinkedHashSet
- * @since 5.7
- */
- public static <E> LinkedHashSet<E> readLinkedHashSet(DataInput in)
- throws IOException, ClassNotFoundException {
-
- InternalDataSerializer.checkIn(in);
-
- int size = InternalDataSerializer.readArrayLength(in);
- if (size == -1) {
- return null;
- } else {
- LinkedHashSet<E> set = new LinkedHashSet<E>(size);
- for (int i = 0; i < size; i++) {
- E element = DataSerializer.<E>readObject(in);
- set.add(element);
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read LinkedHashSet with {} elements: {}", size, set);
- }
-
- return set;
- }
- }
-
- /**
- * Writes a <code>HashMap</code> to a <code>DataOutput</code>. Note
- * that even though <code>map</code> may be an instance of a
- * subclass of <code>HashMap</code>, <code>readHashMap</code> will
- * always return an instance of <code>HashMap</code>, <B>not</B> an
- * instance of the subclass. To preserve the class type of
- * <code>map</code>, {@link #writeObject(Object, DataOutput)} should be used for data
- * serialization.
- * This method will serialize a
- * <code>null</code> map and not throw a
- * <code>NullPointerException</code>.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readHashMap
- */
- public static void writeHashMap(Map<?,?> map, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- int size;
- if (map == null) {
- size = -1;
- } else {
- size = map.size();
- }
- InternalDataSerializer.writeArrayLength(size, out);
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing HashMap with {} elements: {}", size, map);
- }
- if (size > 0) {
- for (Map.Entry<?,?> entry: map.entrySet()) {
- writeObject(entry.getKey(), out);
- writeObject(entry.getValue(), out);
- }
- }
- }
-
- /**
- * Reads a <code>HashMap</code> from a <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @throws ClassNotFoundException
- * The class of one of the <Code>HashMap</code>'s
- * elements cannot be found.
- *
- * @see #writeHashMap
- */
- public static <K,V> HashMap<K,V> readHashMap(DataInput in)
- throws IOException, ClassNotFoundException {
-
- InternalDataSerializer.checkIn(in);
-
- int size = InternalDataSerializer.readArrayLength(in);
- if (size == -1) {
- return null;
- } else {
- HashMap<K,V> map = new HashMap<K,V>(size);
- for (int i = 0; i < size; i++) {
- K key = DataSerializer.<K>readObject(in);
- V value = DataSerializer.<V>readObject(in);
- map.put(key, value);
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read HashMap with {} elements: {}", size, map);
- }
-
- return map;
- }
- }
-
- /**
- * Writes a <code>IdentityHashMap</code> to a <code>DataOutput</code>. Note
- * that even though <code>map</code> may be an instance of a
- * subclass of <code>IdentityHashMap</code>, <code>readIdentityHashMap</code> will
- * always return an instance of <code>IdentityHashMap</code>, <B>not</B> an
- * instance of the subclass. To preserve the class type of
- * <code>map</code>, {@link #writeObject(Object, DataOutput)} should be used for data
- * serialization.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readIdentityHashMap
- */
- public static void writeIdentityHashMap(IdentityHashMap<?,?> map, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- int size;
- if (map == null) {
- size = -1;
- } else {
- size = map.size();
- }
- InternalDataSerializer.writeArrayLength(size, out);
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing IdentityHashMap with {} elements: {}", size, map);
- }
- if (size > 0) {
- for (Map.Entry<?,?> entry: map.entrySet()){
- writeObject(entry.getKey(), out);
- writeObject(entry.getValue(), out);
- }
- }
- }
-
- /**
- * Reads a <code>IdentityHashMap</code> from a <code>DataInput</code>.
- * Note that key identity is not preserved unless the keys belong to a class
- * whose serialization preserves identity.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @throws ClassNotFoundException
- * The class of one of the <Code>IdentityHashMap</code>'s
- * elements cannot be found.
- *
- * @see #writeIdentityHashMap
- */
- public static <K,V> IdentityHashMap<K,V> readIdentityHashMap(DataInput in)
- throws IOException, ClassNotFoundException {
-
- InternalDataSerializer.checkIn(in);
-
- int size = InternalDataSerializer.readArrayLength(in);
- if (size == -1) {
- return null;
- } else {
- IdentityHashMap<K,V> map = new IdentityHashMap<K,V>(size);
- for (int i = 0; i < size; i++) {
- K key = DataSerializer.<K>readObject(in);
- V value = DataSerializer.<V>readObject(in);
- map.put(key, value);
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read IdentityHashMap with {} elements: {}", size, map);
- }
-
- return map;
- }
- }
-
- /**
- * Writes a <code>ConcurrentHashMap</code> to a <code>DataOutput</code>. Note
- * that even though <code>map</code> may be an instance of a
- * subclass of <code>ConcurrentHashMap</code>, <code>readConcurrentHashMap</code> will
- * always return an instance of <code>ConcurrentHashMap</code>, <B>not</B> an
- * instance of the subclass. To preserve the class type of
- * <code>map</code>, {@link #writeObject(Object, DataOutput)} should be used for data
- * serialization.
- * <P>At this time if {@link #writeObject(Object, DataOutput)} is called with an instance
- * of ConcurrentHashMap then it will be serialized with normal java.io Serialization. So
- * if you want the keys and values of a ConcurrentHashMap to take advantage of GemFire serialization
- * it must be serialized with this method.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readConcurrentHashMap
- * @since 6.6
- */
- public static void writeConcurrentHashMap(ConcurrentHashMap<?,?> map, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- int size;
- Collection<Map.Entry<?,?>> entrySnapshot = null;
- if (map == null) {
- size = -1;
- } else {
- // take a snapshot to fix bug 44562
- entrySnapshot = new ArrayList<Map.Entry<?,?>>(map.entrySet());
- size = entrySnapshot.size();
- }
- InternalDataSerializer.writeArrayLength(size, out);
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Writing ConcurrentHashMap with {} elements: {}", size, entrySnapshot);
- }
- if (size > 0) {
- for (Map.Entry<?,?> entry: entrySnapshot) {
- writeObject(entry.getKey(), out);
- writeObject(entry.getValue(), out);
- }
- }
- }
-
- /**
- * Reads a <code>ConcurrentHashMap</code> from a <code>DataInput</code>.
- *
- * @throws IOException
- * A problem occurs while reading from <code>in</code>
- * @throws ClassNotFoundException
- * The class of one of the <Code>ConcurrentHashMap</code>'s
- * elements cannot be found.
- *
- * @see #writeConcurrentHashMap
- * @since 6.6
- */
- public static <K,V> ConcurrentHashMap<K,V> readConcurrentHashMap(DataInput in)
- throws IOException, ClassNotFoundException {
-
- InternalDataSerializer.checkIn(in);
-
- int size = InternalDataSerializer.readArrayLength(in);
- if (size == -1) {
- return null;
- } else {
- ConcurrentHashMap<K,V> map = new ConcurrentHashMap<K,V>(size);
- for (int i = 0; i < size; i++) {
- K key = DataSerializer.<K>readObject(in);
- V value = DataSerializer.<V>readObject(in);
- map.put(key, value);
- }
-
- if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
- logger.trace(LogMarker.SERIALIZER, "Read ConcurrentHashMap with {} elements: {}", size, map);
- }
-
- return map;
- }
- }
-
- /**
- * Writes a <code>Hashtable</code> to a <code>DataOutput</code>. Note
- * that even though <code>map</code> may be an instance of a
- * subclass of <code>Hashtable</code>, <code>readHashtable</code> will
- * always return an instance of <code>Hashtable</code>, <B>not</B> an
- * instance of the subclass. To preserve the class type of
- * <code>map</code>, {@link #writeObject(Object, DataOutput)} should be used for data
- * serialization.
- *
- * @throws IOException
- * A problem occurs while writing to <code>out</code>
- *
- * @see #readHashtable
- * @since 5.7
- */
- public static void writeHashtable(Hashtable<?,?> map, DataOutput out)
- throws IOException {
-
- InternalDataSerializer.checkOut(out);
-
- int size;
- if (map =
<TRUNCATED>