aboutsummaryrefslogtreecommitdiff
path: root/src/share/classes/sun/rmi/transport/proxy/WrappedSocket.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/share/classes/sun/rmi/transport/proxy/WrappedSocket.java')
-rw-r--r--src/share/classes/sun/rmi/transport/proxy/WrappedSocket.java183
1 files changed, 183 insertions, 0 deletions
diff --git a/src/share/classes/sun/rmi/transport/proxy/WrappedSocket.java b/src/share/classes/sun/rmi/transport/proxy/WrappedSocket.java
new file mode 100644
index 000000000..7671a5122
--- /dev/null
+++ b/src/share/classes/sun/rmi/transport/proxy/WrappedSocket.java
@@ -0,0 +1,183 @@
+/*
+ * Copyright 1996-2003 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+package sun.rmi.transport.proxy;
+
+import java.io.*;
+import java.net.InetAddress;
+import java.net.Socket;
+import java.net.SocketException;
+
+/**
+ * The WrappedSocket class provides a general wrapper for providing an
+ * extended implementation of java.net.Socket that can be attached to
+ * a pre-existing Socket object. WrappedSocket itself provides a
+ * constructor for specifying alternate input or output streams to be
+ * returned than those of the underlying Socket.
+ */
+class WrappedSocket extends Socket {
+
+ /** the underlying concrete socket */
+ protected Socket socket;
+
+ /** the input stream to return for socket */
+ protected InputStream in = null;
+
+ /** the output stream to return for socket */
+ protected OutputStream out = null;
+
+ /**
+ * Layer on top of a pre-existing Socket object, and use specified
+ * input and output streams. This allows the creator of the
+ * underlying socket to peek at the beginning of the input with a
+ * BufferedInputStream and determine which kind of socket
+ * to create, without consuming the input.
+ * @param socket the pre-existing socket to use
+ * @param in the InputStream to return to users (can be null)
+ * @param out the OutputStream to return to users (can be null)
+ */
+ public WrappedSocket(Socket socket, InputStream in, OutputStream out)
+ throws IOException
+ {
+ super((java.net.SocketImpl)null); // no underlying SocketImpl for this object
+ this.socket = socket;
+ this.in = in;
+ this.out = out;
+ }
+
+ /**
+ * Get the address to which the socket is connected.
+ */
+ public InetAddress getInetAddress()
+ {
+ return socket.getInetAddress();
+ }
+
+ /**
+ * Get the local address to which the socket is bound.
+ */
+ public InetAddress getLocalAddress() {
+ return socket.getLocalAddress();
+ }
+
+ /**
+ * Get the remote port to which the socket is connected.
+ */
+ public int getPort()
+ {
+ return socket.getPort();
+ }
+
+ /**
+ * Get the local port to which the socket is connected.
+ */
+ public int getLocalPort()
+ {
+ return socket.getLocalPort();
+ }
+
+ /**
+ * Get an InputStream for this socket.
+ */
+ public InputStream getInputStream() throws IOException
+ {
+ if (in == null)
+ in = socket.getInputStream();
+ return in;
+ }
+
+ /**
+ * Get an OutputStream for this socket.
+ */
+ public OutputStream getOutputStream() throws IOException
+ {
+ if (out == null)
+ out = socket.getOutputStream();
+ return out;
+ }
+
+ /**
+ * Enable/disable TCP_NODELAY.
+ */
+ public void setTcpNoDelay(boolean on) throws SocketException
+ {
+ socket.setTcpNoDelay(on);
+ }
+
+ /**
+ * Retrieve whether TCP_NODELAY is enabled.
+ */
+ public boolean getTcpNoDelay() throws SocketException
+ {
+ return socket.getTcpNoDelay();
+ }
+
+ /**
+ * Enable/disable SO_LINGER with the specified linger time.
+ */
+ public void setSoLinger(boolean on, int val) throws SocketException
+ {
+ socket.setSoLinger(on, val);
+ }
+
+ /**
+ * Retrive setting for SO_LINGER.
+ */
+ public int getSoLinger() throws SocketException
+ {
+ return socket.getSoLinger();
+ }
+
+ /**
+ * Enable/disable SO_TIMEOUT with the specified timeout
+ */
+ public synchronized void setSoTimeout(int timeout) throws SocketException
+ {
+ socket.setSoTimeout(timeout);
+ }
+
+ /**
+ * Retrive setting for SO_TIMEOUT.
+ */
+ public synchronized int getSoTimeout() throws SocketException
+ {
+ return socket.getSoTimeout();
+ }
+
+ /**
+ * Close the socket.
+ */
+ public synchronized void close() throws IOException
+ {
+ socket.close();
+ }
+
+ /**
+ * Return string representation of the socket.
+ */
+ public String toString()
+ {
+ return "Wrapped" + socket.toString();
+ }
+}