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 *
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 * without modification, are permitted provided that the following
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 *
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 *  notice, this list of conditions and the following disclaimer in
 *  the documentation and/or other materials provided with the
 *  distribution.
 *
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 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 *
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 * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
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package examples.rmisocfac;

import java.io.*;
import java.net.*;

class XorSocket extends Socket {

    /*
     * The pattern used to "encrypt" and "decrypt" each byte sent
     * or received by the socket.
     */
    private final byte pattern;

    /* The InputStream used by the socket. */
    private InputStream in = null;

    /* The OutputStream used by the socket */
    private OutputStream out = null;

    /*
     * Constructor for class XorSocket.
     */
    public XorSocket(byte pattern)
        throws IOException
    {
        super();
        this.pattern = pattern;
    }

    /*
     * Constructor for class XorSocket.
     */
    public XorSocket(String host, int port, byte pattern)
        throws IOException
    {
        super(host, port);
        this.pattern = pattern;
    }

    /*
     * Returns a stream of type XorInputStream.
     */
    public synchronized InputStream getInputStream() throws IOException {
        if (in == null) {
            in = new XorInputStream(super.getInputStream(), pattern);
        }
        return in;
    }

    /*
     *Returns a stream of type XorOutputStream.
     */
    public synchronized OutputStream getOutputStream() throws IOException {
        if (out == null) {
            out = new XorOutputStream(super.getOutputStream(), pattern);
        }
        return out;
    }
}