syncbody.java

j2me sip客户端程序源码 提供了J2ME中SIP协议开发样例源码

/**
 * @(#)$RCSfile: SyncBody.java,v $            $Revision: 1.2 $
 *
 * ====================================================================
 * Copyright 2001, Reaxion Corp.,
 * 11418 105th PL NE, Kirkland, WA, 98033, USA
 * All rights reserved.
 * ====================================================================
 *
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is the Tequila SyncML.
 *
 * The Initial Developer of the Original Code is Reaxion Corp.
 * All Rights Reserved.
 */
package com.reaxion.tequila.syncml;

import java.util.*;

import com.reaxion.tequila.syncml.xml.IXMLNode;
import com.reaxion.tequila.syncml.util.*;

/**
 * <!ELEMENT SyncBody ((Alert | Status |Sync)*, Final)>
 * <p>
 * <pre>
 * &lt;SyncBody&gt;
 *    +&lt;Alert&gt;...&lt;/Alert&gt;
 *      +&lt;Status&gt;...&lt;/Status&gt;
 *    +&lt;Sync&gt;...&lt;/Sync&gt;
 *  &lt;Final/&gt;
 *  &lt;/SyncBody&gt;
 * </pre>
 *
 * @version   $1.0$
 * @author    Oleg A. Oksyuk
 */
public class SyncBody extends SyncElement
{

    private Vector commands = new Vector();

    public SyncBody(IXMLNode el)
    {
        super(el);

        boolean finalExists = false;
        IXMLNode child;
        Enumeration en = el.getChildren();
        while (en.hasMoreElements())
        {
            child = (IXMLNode) en.nextElement();
            if (SyncCommandNames.ALERT.equals(child.getName()))
            {
                addCommand(new SyncAlert(child));
            }
            else if (SyncCommandNames.STATUS.equals(child.getName()))
            {
                addCommand(new SyncStatus(child));
            }
            else if (SyncCommandNames.SYNC.equals(child.getName()))
            {
                addCommand(new SyncSync(child));
            }
            else if (SyncCommandNames.FINAL.equals(child.getName()))
            {
                if (finalExists)
                {
                    throw new SyncMLDocStructureException("More than one final in a body");
                }
                finalExists = true;
            }
            else
            {
                throw new SyncMLDocStructureException("Wrong command in a body");
            }
        }

        if (!finalExists)
        {
            throw new SyncMLDocStructureException("Final element is absent in body");
        }

    }

    public SyncBody()
    {
        super(SyncCommandNames.BODY);
    }

    public SyncBody(Enumeration outCommands)
    {
        super(SyncCommandNames.BODY);
        while (outCommands.hasMoreElements())
        {
            addCommand((SyncCmdIdOwner) outCommands.nextElement());
        }
    }

    public void addCommand(SyncCmdIdOwner command)
    {
        if ((command instanceof SyncAlert)
                || (command instanceof SyncStatus)
                || (command instanceof SyncSync)) {
            commands.addElement(command);
        }
        else
        {
            throw new SyncMLDocStructureException(command+" command could be added to SyncBody");
        }
    }

    public Enumeration getCommands()
    {
        return commands.elements();
    }

    public Object getElData(int level)
    {
		StringBuffer res = new StringBuffer();
        Enumeration en = commands.elements();
        SyncCmdIdOwner cmdIdOwner;
        while (en.hasMoreElements())
        {
            cmdIdOwner = (SyncCmdIdOwner) en.nextElement();
            res.append(cmdIdOwner.toString(level+1));
        }
        res.append(SyncCommandNames.DEF.SYNC_FINAL.toString(level+1));
		return res;
    }

}

/* -----------------------------------------------------------------------------
 * Change log:
 * -----------------------------------------------------------------------------
 * $Log: SyncBody.java,v $
 * Revision 1.2  2001/10/17 15:27:42  OlegO
 * changed comments for better javadoc
 *
 * Revision 1.1.1.1  2001/10/11 13:13:32  OlegO
 * no message
 *
 * Revision 1.1  2001/07/24 13:08:17  OlegO
 * no message
 *
 */