message.java

myjxta是用jxta开发的一个p2p通讯软件 有聊天 文件共享 视频3大功能 界面采用swing

/*
 * Copyright (c) 2001 Sun Microsystems, Inc.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *       Sun Microsystems, Inc. for Project JXTA."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Sun", "Sun Microsystems, Inc.", "RosettaChat", "JXTA" and
 *    "Project JXTA" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact Project JXTA at http://www.jxta.org.
 *
 * 5. Products derived from this software may not be called "JXTA",
 *    nor may "JXTA" appear in their name, without prior written
 *    permission of Sun.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL SUN MICROSYSTEMS OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Project JXTA.  For more
 * information on Project JXTA, please see
 * <http://www.jxta.org/>.
 *
 * This license is based on the BSD license adopted by the Apache Foundation.
 */

package net.jxta.myjxta.misc.rosettachat.http;

import net.jxta.myjxta.misc.rosettachat.misc.EmptyIterator;
import java.util.*;

/**
 * Message.java
 *
 * @author James Todd [[e-mail]]
 * @version
 */

public class Message {

    private Map headers = null;
    private String body = null;

    public Message() {
        this(null, null);
    }

    public Message(Map headers) {
        this(headers, null);
    }

    public Message(String body) {
        this(null, body);
    }

    public Message(Map headers, String body) {
        this.headers = headers;
        this.body = body;
    }

    public void setHeader(String key, String value) {
        if (this.headers == null) {
            this.headers = new HashMap();
        }

        this.headers.put(key, value);
    }

    public String getHeader(String key) {
        String value = null;
        String k = null;

        for (Iterator i = getHeaderKeys(); i != null && i.hasNext(); ) {
            k = (String)i.next();

            if (k.equalsIgnoreCase(key)) {
                value = (String)this.headers.get(k);

                break;
            }
        }

        return value;
    }

    public Iterator getHeaderKeys() {
        return ((this.headers != null) ?
                this.headers.keySet().iterator() : new EmptyIterator());
    }

    public String getSessionId() {
        String sessionId = null;
        String cookie = getHeader(Constants.MIME.Key.SET_COOKIE);

        if (cookie != null) {
            int i = cookie.indexOf(Constants.Session.ID);

            if (i > -1) {
                String s =
                    cookie.substring(i + Constants.Session.ID.length()).trim();

                if (s.length() > 0) {
                    int j = s.indexOf(Constants.Session.PRE_DELIMETER);
                    int k = s.indexOf(Constants.Session.POST_DELIMETER);

                    if (j > -1) {
                        if (k > -1) {
                            s = s.substring(j + 1, k);
                        } else {
                            s = s.substring(j + 1);
                        }

                        sessionId = s;
                    }
                }
            }
        }

        return sessionId;
    }

    public void removeHeader(String key) {
        if (this.headers != null) {
            this.headers.remove(key);

            if (this.headers.size() == 0) {
                this.headers = null;
            }
        }
    }

    public String getBody() {
        return this.body;
    }

    public void setBody(String body) {
        this.body = body;
    }

    public boolean hasBody() {
        return (this.body != null);
    }

    public String toString() {
        java.lang.Class clazz = getClass();
        java.lang.reflect.Field[] fields = clazz.getDeclaredFields();
        java.util.Map<String, Object> map = new java.util.HashMap();
        java.lang.String object = null;
        java.lang.Object value = null;

        for (int i = 0; i < fields.length; i++) {
            try {
                object = fields[i].getName();
                value = fields[i].get(this);

                if (value == null) {
                    value = new String("null");
                }

                map.put(object, value);
            } catch (IllegalAccessException iae) {
                iae.printStackTrace();
            }
        }

        if (clazz.getSuperclass().getSuperclass() != null) {
            map.put("super", clazz.getSuperclass().toString());
        }

        return clazz.getName() + map;
    }
}