Android Open Source - android-chat-telnet Socket Output Stream

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License

The source code is released under:

GNU Lesser General Public License

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Java Source Code

/*
 * 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
 */*w  w  w . java 2  s  . co  m*/
 *      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.commons.net.io;

import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.Socket;

/***
 * This class wraps an output stream, storing a reference to its originating
 * socket.  When the stream is closed, it will also close the socket
 * immediately afterward.  This class is useful for situations where you
 * are dealing with a stream originating from a socket, but do not have
 * a reference to the socket, and want to make sure it closes when the
 * stream closes.
 * <p>
 * <p>
 * @see SocketInputStream
 ***/

public class SocketOutputStream extends FilterOutputStream
{
    private final Socket __socket;

    /***
     * Creates a SocketOutputStream instance wrapping an output stream and
     * storing a reference to a socket that should be closed on closing
     * the stream.
     * <p>
     * @param socket  The socket to close on closing the stream.
     * @param stream  The input stream to wrap.
     ***/
    public SocketOutputStream(Socket socket, OutputStream stream)
    {
        super(stream);
        __socket = socket;
    }


    /***
     * Writes a number of bytes from a byte array to the stream starting from
     * a given offset.  This method bypasses the equivalent method in
     * FilterOutputStream because the FilterOutputStream implementation is
     * very inefficient.
     * <p>
     * @param buffer  The byte array to write.
     * @param offset  The offset into the array at which to start copying data.
     * @param length  The number of bytes to write.
     * @exception IOException If an error occurs while writing to the underlying
     *            stream.
     ***/
    @Override
    public void write(byte buffer[], int offset, int length) throws IOException
    {
        out.write(buffer, offset, length);
    }


    /***
     * Closes the stream and immediately afterward closes the referenced
     * socket.
     * <p>
     * @exception IOException  If there is an error in closing the stream
     *                         or socket.
     ***/
    @Override
    public void close() throws IOException
    {
        super.close();
        __socket.close();
    }
}

Java Source Code List