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feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.

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/*
 * 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 com.feilong.lib.net.io;

import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.Socket;

/***
 * This class wraps an input 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.
 *
 *
 * @see SocketOutputStream
 ***/
public class SocketInputStream extends FilterInputStream{

    private final Socket __socket;

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

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