ContainerMessage.java

00001 /*
00002  * OpenMobileIS - a free Java(TM) Framework for mobile applications Java(TM)
00003  * Copyright (C) 2004-2006 Philippe Delrieu
00004  * All rights reserved.
00005  * Contact: pdelrieu@openmobileis.org
00006  *
00007  * This library is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Lesser General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2.1 of the License, or any later version.
00011  *
00012  * This library is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Lesser General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Lesser General Public
00018  * License along with this library; if not, write to the Free Software
00019  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
00020  * USA
00021  *
00022  *  Author : Philippe Delrieu
00023  * 
00024  */
00025 
00026 package org.openmobileis.synchro.openmsp.protocol;
00027 
00028 import org.openmobileis.common.util.collection.Array;
00029 import org.openmobileis.synchro.openmsp.OpenMSPException;
00030 
00038 public class ContainerMessage  implements java.io.Serializable {
00043   final static long serialVersionUID = 1L;
00044 
00045 
00046   // array of ContainerMessage
00047   protected Array children;
00048 
00049   protected int cursor = -1;
00050   protected Element content;
00051 
00052   protected ContainerMessage() {
00053     children = new Array(5);
00054   }
00055 
00056   public ContainerMessage(Element element) {
00057     content = element;
00058     children = new Array(5);
00059   }
00060 
00061   public void add (Element element)  throws OpenMSPException {
00062     children.add(new AtomicMessage(element));
00063   }
00064 
00065   public void add (ContainerMessage message)  throws OpenMSPException {
00066     children.add(message);
00067   }
00068 
00069   public Array getAllMessages() {
00070     return children;
00071   }
00072 
00073   /*
00074   * Get the next element pointed by the cursor
00075   * @return: CmlContent if it exists or null if is the end of the children list
00076   */
00077   public ContainerMessage nextMessage() {
00078     cursor++;
00079     if (!(cursor < children.size()))
00080       return null;
00081     else
00082       return (ContainerMessage)children.get(cursor);
00083   }
00084 
00085   /*
00086   * Return true if the cursor is not at the end of the children list
00087   * @return : boolean
00088   */
00089   public boolean hasMoreMessage() {
00090     return cursor + 1 < children.size();
00091   }
00092 
00093   public void resetCursor() {
00094     cursor = -1;
00095     for (int i=0; i<children.size(); i++)   {
00096       Object obj = children.get(i);
00097       if (obj != null && obj instanceof ContainerMessage)  {
00098         ContainerMessage cont = (ContainerMessage)obj;
00099         cont.resetCursor();
00100       }
00101     }
00102   }
00103 
00104   public int getMessagesSize() {
00105     return children.size();
00106   }
00107 
00108   public Element getElement() {
00109     return content;
00110   }
00111   protected void encode (StringBuffer buffer) {
00112     content.writeBeginTag(buffer);
00113     buffer.append("\n");
00114     content.writeContent(buffer);
00115     for (int i=0; i < children.size(); i++) {
00116       ((ContainerMessage)children.get(i)).encode(buffer);
00117     }
00118     content.writeEndTag(buffer);
00119   }
00120 
00121 }

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