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Posted to server-dev@james.apache.org by no...@apache.org on 2011/11/20 21:39:49 UTC

svn commit: r1204240 - in /james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api: FutureResponseImpl.java FutureStreamResponseImpl.java StartTlsFutureResponse.java

Author: norman
Date: Sun Nov 20 20:39:49 2011
New Revision: 1204240

URL: http://svn.apache.org/viewvc?rev=1204240&view=rev
Log:
Add helper classes which transform a AbstractResponse to a FutureResponse

Added:
    james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/FutureResponseImpl.java   (with props)
    james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/FutureStreamResponseImpl.java   (with props)
    james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/StartTlsFutureResponse.java   (with props)

Added: james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/FutureResponseImpl.java
URL: http://svn.apache.org/viewvc/james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/FutureResponseImpl.java?rev=1204240&view=auto
==============================================================================
--- james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/FutureResponseImpl.java (added)
+++ james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/FutureResponseImpl.java Sun Nov 20 20:39:49 2011
@@ -0,0 +1,139 @@
+/****************************************************************
+ * 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.james.protocols.api;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * {@link FutureResponse} implementation which wraps a {@link AbstractResponse} implementation
+ * 
+ *
+ */
+public class FutureResponseImpl extends AbstractResponse implements FutureResponse{
+
+    private final AbstractResponse response;
+    private boolean ready = false;
+    private List<ResponseListener> listeners;
+    private int waiters;
+    
+    public FutureResponseImpl(AbstractResponse response) {
+        this.response = response;
+    }
+
+    protected final synchronized void checkReady() {
+        while (!ready) {
+            try {
+                waiters++;
+                wait();
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+            } finally {
+                waiters--;
+            }
+        }
+    }
+    @Override
+    public synchronized void addListener(ResponseListener listener) {
+        if (ready) {
+            listener.onResponse(this);
+        } else {
+            if (listeners == null) {
+                listeners = new ArrayList<ResponseListener>();
+            }
+            listeners.add(listener);
+        }
+    }
+
+    @Override
+    public synchronized void removeListener(ResponseListener listener) {
+        if (listeners != null) {
+            listeners.remove(listener);
+        }
+    }
+
+    @Override
+    public synchronized boolean isReady() {
+        return ready;
+    }
+    
+    public synchronized void markReady() {
+        if (!ready) {
+            ready = true;
+            
+            if (waiters > 0) {
+                notifyAll();
+            }
+            
+            for (ResponseListener listener: listeners) {
+                listener.onResponse(this);
+            }
+            listeners = null;
+        }
+    }
+
+    @Override
+    public List<CharSequence> getLines() {
+        checkReady();
+        return response.getLines();
+    }
+
+    @Override
+    public synchronized void appendLine(CharSequence line) {
+        if (ready) {
+            throw new IllegalStateException("FutureSMTPResponse MUST NOT get modified after its ready");
+        }
+        response.appendLine(line);
+    }
+
+    @Override
+    public String getRetCode() {
+        checkReady();
+        return response.getRetCode();
+    }
+
+    @Override
+    public synchronized void setRetCode(String retCode) {
+        if (ready) {
+            throw new IllegalStateException("FutureSMTPResponse MUST NOT get modified after its ready");
+        }
+        response.setRetCode(retCode);
+    }
+
+    @Override
+    public boolean isEndSession() {
+        checkReady();
+        return response.isEndSession();
+    }
+
+    @Override
+    public synchronized void setEndSession(boolean endSession) {
+        if (ready) {
+            throw new IllegalStateException("FutureSMTPResponse MUST NOT get modified after its ready");
+        }
+        response.setEndSession(endSession);
+    }
+
+    @Override
+    public synchronized String toString() {
+        return response.toString();
+    }
+
+}

Propchange: james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/FutureResponseImpl.java
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    svn:mime-type = text/plain

Added: james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/FutureStreamResponseImpl.java
URL: http://svn.apache.org/viewvc/james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/FutureStreamResponseImpl.java?rev=1204240&view=auto
==============================================================================
--- james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/FutureStreamResponseImpl.java (added)
+++ james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/FutureStreamResponseImpl.java Sun Nov 20 20:39:49 2011
@@ -0,0 +1,43 @@
+/****************************************************************
+ * 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.james.protocols.api;
+
+import java.io.InputStream;
+
+public class FutureStreamResponseImpl extends FutureResponseImpl implements StreamResponse{
+
+    private InputStream in;
+    public FutureStreamResponseImpl(AbstractResponse response) {
+        super(response);
+        if ((response instanceof StreamResponse) == false) {
+            throw new IllegalArgumentException("Given Response must be a StreamResponse");
+        }
+    }
+
+    public synchronized void setInputStream(InputStream in) {
+        this.in = in;
+    }
+    @Override
+    public InputStream getStream() {
+        checkReady();
+        return in;
+    }
+
+}

Propchange: james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/FutureStreamResponseImpl.java
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    svn:mime-type = text/plain

Added: james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/StartTlsFutureResponse.java
URL: http://svn.apache.org/viewvc/james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/StartTlsFutureResponse.java?rev=1204240&view=auto
==============================================================================
--- james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/StartTlsFutureResponse.java (added)
+++ james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/StartTlsFutureResponse.java Sun Nov 20 20:39:49 2011
@@ -0,0 +1,28 @@
+/****************************************************************
+ * 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.james.protocols.api;
+
+public class StartTlsFutureResponse extends FutureResponseImpl implements StartTlsResponse{
+
+    public StartTlsFutureResponse(AbstractResponse response) {
+        super(response);
+    }
+
+}

Propchange: james/protocols/trunk/api/src/main/java/org/apache/james/protocols/api/StartTlsFutureResponse.java
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