1 files changed, 150 insertions, 0 deletions
diff --git a/simple/simple-transport/src/main/java/org/simpleframework/transport/OperationFactory.java b/simple/simple-transport/src/main/java/org/simpleframework/transport/OperationFactory.java
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+++ b/simple/simple-transport/src/main/java/org/simpleframework/transport/OperationFactory.java
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+/*
+ * OperationFactory.java February 2007
+ *
+ * Copyright (C) 2007, Niall Gallagher <niallg@users.sf.net>
+ *
+ * Licensed 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.simpleframework.transport;
+
+import java.io.IOException;
+
+import javax.net.ssl.SSLEngine;
+
+import org.simpleframework.transport.reactor.Operation;
+import org.simpleframework.transport.reactor.Reactor;
+
+/**
+ * The <code>OperationFactory</code> is used to create operations
+ * for the transport processor. Depending on the configuration of the
+ * pipeline object this will create different operations. Typically
+ * this will create an SSL handshake operation if the pipeline has 
+ * an <code>SSLEngine</code> instance. This allows the transport
+ * processor to complete the handshake before handing the transport
+ * to the transporter for processing.
+ *  
+ * @author Niall Gallagher
+ */
+class OperationFactory {
+   
+   /**
+    * This is the processor used to process the created transport.
+    */
+   private final TransportProcessor processor;
+   
+   /**
+    * This is the reactor used to register for I/O notifications.
+    */   
+   private final Reactor reactor;
+   
+   /**
+    * This is the threshold for the asynchronous buffers to use.
+    */
+   private final int threshold;
+   
+   /**
+    * This is the size of the buffers to be used by the transport.
+    */
+   private final int buffer;
+   
+   /**
+    * This determines if the SSL handshake is for the client side.
+    */
+   private final boolean client;
+   
+   /**
+    * Constructor for the <code>OperationFactory</code> object. This
+    * uses the processor provided to hand off the created transport
+    * when it has been created. All operations created typically
+    * execute in an asynchronous thread.
+    * 
+    * @param processor the processor used to dispatch the transport
+    * @param reactor this is the reactor used for I/O notifications 
+    * @param buffer this is the initial size of the buffer to use   
+    */
+   public OperationFactory(TransportProcessor processor, Reactor reactor, int buffer) {
+      this(processor, reactor, buffer, 20480);
+   }
+   
+   /**
+    * Constructor for the <code>OperationFactory</code> object. This
+    * uses the processor provided to hand off the created transport
+    * when it has been created. All operations created typically
+    * execute in an asynchronous thread.
+    * 
+    * @param processor the processor used to dispatch the transport
+    * @param reactor this is the reactor used for I/O notifications 
+    * @param buffer this is the initial size of the buffer to use       
+    * @param threshold maximum size of the output buffer to use
+    */
+   public OperationFactory(TransportProcessor processor, Reactor reactor, int buffer, int threshold) {
+      this(processor, reactor, buffer, threshold, false);
+   }
+   
+   /**
+    * Constructor for the <code>OperationFactory</code> object. This
+    * uses the processor provided to hand off the created transport
+    * when it has been created. All operations created typically
+    * execute in an asynchronous thread.
+    * 
+    * @param processor the processor used to dispatch the transport
+    * @param reactor this is the reactor used for I/O notifications 
+    * @param buffer this is the initial size of the buffer to use       
+    * @param threshold maximum size of the output buffer to use
+    * @param client determines if the SSL handshake is for a client
+    */
+   public OperationFactory(TransportProcessor processor, Reactor reactor, int buffer, int threshold, boolean client) {
+      this.processor = processor;
+      this.threshold = threshold;
+      this.reactor = reactor;
+      this.buffer = buffer;
+      this.client = client;
+   }
+   
+   /**
+    * This method is used to create <code>Operation</code> object to
+    * process the next phase of the negotiation. The operations that
+    * are created using this factory ensure the processing can be
+    * done asynchronously, which reduces the overhead the connection
+    * thread has when handing the pipelines over for processing.
+    * 
+    * @param socket this is the pipeline that is to be processed
+    * 
+    * @return this returns the operation used for processing
+    */
+   public Operation getInstance(Socket socket) throws IOException {
+      return getInstance(socket, socket.getEngine());
+   }
+   
+   /**
+    * This method is used to create <code>Operation</code> object to
+    * process the next phase of the negotiation. The operations that
+    * are created using this factory ensure the processing can be
+    * done asynchronously, which reduces the overhead the connection
+    * thread has when handing the pipelines over for processing.
+    * 
+    * @param socket this is the pipeline that is to be processed
+    * @param engine this is the engine used for SSL negotiations 
+    * 
+    * @return this returns the operation used for processing
+    */
+   private Operation getInstance(Socket socket, SSLEngine engine) throws IOException {
+      Transport transport = new SocketTransport(socket, reactor, buffer, threshold);
+   
+      if(engine != null) {
+         return new Handshake(processor, transport, reactor, client);
+      } 
+      return new TransportDispatcher(processor, transport);
+   }
+}