1 files changed, 125 insertions, 0 deletions
diff --git a/simple/simple-transport/src/main/java/org/simpleframework/transport/connect/SocketListener.java b/simple/simple-transport/src/main/java/org/simpleframework/transport/connect/SocketListener.java
new file mode 100644
index 0000000..5718273
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+++ b/simple/simple-transport/src/main/java/org/simpleframework/transport/connect/SocketListener.java
@@ -0,0 +1,125 @@
+/*
+ * SocketListener.java October 2002
+ *
+ * Copyright (C) 2002, 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.connect;
+
+import static java.nio.channels.SelectionKey.OP_ACCEPT;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.net.SocketAddress;
+
+import javax.net.ssl.SSLContext;
+
+import org.simpleframework.transport.SocketProcessor;
+import org.simpleframework.transport.reactor.SynchronousReactor;
+import org.simpleframework.transport.reactor.Reactor;
+import org.simpleframework.transport.trace.TraceAnalyzer;
+
+/**
+ * The <code>SocketListener</code> object is represents the interface 
+ * to the server that the clients can connect to. This is responsible
+ * for making call backs to the <code>SocketAcceptor</code> when there
+ * is a new connection waiting to be accepted. When the connection
+ * is to be closed the interface object can be closed.
+ * 
+ * @author Niall Gallagher 
+ */
+class SocketListener implements Closeable {      
+   
+   /**
+    * This is the acceptor that is used to accept the connections.
+    */
+   private final SocketAcceptor acceptor;
+   
+   /**
+    * This is the reactor used to notify the acceptor of sockets.
+    */
+   private final Reactor reactor;
+   
+   /**
+    * Constructor for the <code>SocketListener</code> object. This 
+    * needs a socket address and a processor to hand created sockets
+    * to. This creates a <code>Reactor</code> which will notify the
+    * acceptor when there is a new connection waiting to be accepted.
+    * 
+    * @param address this is the address to listen for new sockets
+    * @param processor this is the processor that sockets are handed to
+    * @param analyzer this is used to create a trace to monitor events
+    */
+   public SocketListener(SocketAddress address, SocketProcessor processor, TraceAnalyzer analyzer) throws IOException {
+      this(address, processor, analyzer, null);
+   }
+   
+   /**
+    * Constructor for the <code>SocketListener</code> object. This 
+    * needs a socket address and a processor to hand created sockets
+    * to. This creates a <code>Reactor</code> which will notify the
+    * acceptor when there is a new connection waiting to be accepted.
+    * 
+    * @param address this is the address to listen for new sockets
+    * @param processor this is the processor that sockets are handed to
+    * @param analyzer this is used to create a trace to monitor events
+    * @param context this is the SSL context used for secure HTTPS     
+    */
+   public SocketListener(SocketAddress address, SocketProcessor processor, TraceAnalyzer analyzer, SSLContext context) throws IOException {
+      this.acceptor = new SocketAcceptor(address, processor, analyzer, context);
+      this.reactor = new SynchronousReactor();
+   }
+   
+   /**
+    * This is used to acquire the local socket address that this is
+    * listening to. This required in case the socket address that
+    * is specified is an emphemeral address, that is an address that
+    * is assigned dynamically when a port of 0 is specified.
+    * 
+    * @return this returns the address for the listening address
+    */
+   public SocketAddress getAddress() {
+      return acceptor.getAddress();
+   }
+   
+   /**
+    * This is used to register the socket acceptor to listen for 
+    * new connections that are ready to be accepted. Once this is 
+    * registered it will remain registered until the interface is 
+    * closed, at which point the socket is closed.
+    */
+   public void process() throws IOException {
+      try {
+         acceptor.bind();
+         reactor.process(acceptor, OP_ACCEPT);
+      } catch(Exception cause) {
+         throw new ConnectionException("Listen error", cause);
+      }
+   }
+   
+   /**
+    * This is used to close the connection and the server socket
+    * used to accept connections. This will perform a close of the
+    * connected server socket and the dispatching thread.
+    */   
+   public void close() throws IOException {
+      try {
+         acceptor.close();
+         reactor.stop();
+      } catch(Exception cause) {
+         throw new ConnectionException("Close error", cause);
+      }
+   }
+}