org.devtcg.five.util.streaming.HackThreadSafeClientConnManager.java Source code

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Here is the source code for org.devtcg.five.util.streaming.HackThreadSafeClientConnManager.java

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/*
 * Copyright (C) 2010 Josh Guilfoyle <jasta@devtcg.org>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 *
 * This program 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 for more details.
 */

package org.devtcg.five.util.streaming;

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

import org.apache.http.conn.ClientConnectionOperator;
import org.apache.http.conn.OperatedClientConnection;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.impl.conn.DefaultClientConnection;
import org.apache.http.impl.conn.DefaultClientConnectionOperator;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.params.HttpParams;

/**
 * Hack to control the ClientConnection created for use with HttpClient,
 * ultimately to work around a bug in Harmony: HARMONY-6326.
 */
public class HackThreadSafeClientConnManager extends ThreadSafeClientConnManager {
    public HackThreadSafeClientConnManager(HttpParams params, SchemeRegistry schreg) {
        super(params, schreg);
    }

    @Override
    protected ClientConnectionOperator createConnectionOperator(SchemeRegistry schreg) {
        return new HackDefaultClientConnectionOperator(schreg);
    }

    private static class HackDefaultClientConnectionOperator extends DefaultClientConnectionOperator {
        public HackDefaultClientConnectionOperator(SchemeRegistry schemes) {
            super(schemes);
        }

        @Override
        public OperatedClientConnection createConnection() {
            return new HackDefaultClientConnection();
        }

        private static class HackDefaultClientConnection extends DefaultClientConnection {
            public HackDefaultClientConnection() {
                super();
            }

            @Override
            public void shutdown() throws IOException {
                /*
                 * The work around for HARMONY-6326 is as simple as shutting
                 * down the socket prior to close.
                 */
                Socket sock = getSocket();
                try {
                    try {
                        sock.shutdownInput();
                    } catch (IOException e) {
                    }
                    try {
                        sock.shutdownOutput();
                    } catch (IOException e) {
                    }
                } catch (UnsupportedOperationException e) {
                }
                super.shutdown();
            }
        }
    }
}