ssloutputagent.java

来自「This is a resource based on j2me embedde」· Java 代码 · 共 89 行

/*
 *
 *
 * Copyright  1990-2008 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 *
 * This program 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.
 *
 * 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 version 2 for more details (a copy is
 * included at /legal/license.txt).
 *
 * 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 or visit www.sun.com if you need additional
 * information or have any questions.
 */

package com.sun.kvem.netmon;

import com.sun.kvem.io.j2me.ssl.Protocol;

/**
 * This class is responsible on communication with the network monitor j2se 
 * side. Spesifically it communicate with <code>SSLMsgReceicver</code> which
 * receives the data and produce SSL messages. Having implement the 
 * <code>StreamAgent</code> interface enables it to work with the stream data
 * "stealer".
 */
public class SSLOutputAgent implements StreamAgent {
    private Protocol protocol;
    public SSLOutputAgent(Protocol protocol) {
        this.protocol = protocol;
    }

    /**
     * Called when a new stream is opend. The stream will produce messages
     * at the receiver side.
     *
     *@return    Message descriptor that will identify the
     *           stream in future method calls.
     */
    public int newStream(String url, int direction, long groupid) {
        return 1;
    }

    /**
     * Update the message identified by the message descriptor with
     * the byte data.
     *
     *@param  md  Message descriptor.
     *@param  b   data
     *
     */
    public void write(int md, int b) {
        writeBuff(md, new byte[] {(byte) b}, 0, 1);
    }

    /**
     * Update the message identified by the message descriptor with
     * the buffer data.
     *
     *@param  md    Message descriptor
     *@param  buff  
     *@param  off   
     *@param  len   
     */
    public void writeBuff(int md, byte[] buff, int off, int len) {
        protocol.write(buff, off, len);
    }

    /**
     * The stream that is identified by the message descriptor md has 
     * closed, no ferthure communication will be made with that descriptor.
     *
     *@param  md  Message descriptor.
     */
    public void close(int md) {
    }
}