source: branches/2.2/jabberit_messenger/java_source/src/nu/fw/jeti/jabber/handlers/XDataHandler.java @ 3102

/* 
 *      Jeti, a Java Jabber client, Copyright (C) 2003 E.S. de Boer  
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  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 for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *      For questions, comments etc, 
 *      use the website at http://jeti.jabberstudio.org
 *  or mail/IM me at jeti@jabber.org
 *
 *      Created on 27-jul-2003
 */

package nu.fw.jeti.jabber.handlers;

import java.util.LinkedList;
import java.util.List;

import org.xml.sax.Attributes;
import nu.fw.jeti.jabber.elements.Extension;
import nu.fw.jeti.jabber.elements.XDataBuilder;
import nu.fw.jeti.jabber.elements.XDataFieldBuilder;

/**
 * @author E.S. de Boer
 *
 */
public class XDataHandler extends ExtensionHandler
{//add item and reported
        private XDataBuilder builder;
        private XDataFieldBuilder fieldBuilder;
        private String label;
        private String value;
        private boolean inOption;
        private boolean multiple;
        private boolean reported;
        private List items;
        
        public XDataHandler()
        {
                builder = new XDataBuilder();
                fieldBuilder = new XDataFieldBuilder();
        }

        public void startHandling(Attributes attr)
        {
                inOption=false;
                label=null;
                value=null;
                multiple = false;
                reported=false;
                builder.reset();
                builder.type = attr.getValue("type");
        }

        public void startElement(String name,Attributes attr)
        {
                if(name.equals("reported"))
                {
                        multiple = true;
                        reported=true;
                }
                if(name.equals("item"))items = new LinkedList();
                if(name.equals("field"))
                {
                        fieldBuilder.reset();
                        fieldBuilder.label =attr.getValue("label");
                        fieldBuilder.var = attr.getValue("var");
                        fieldBuilder.type = attr.getValue("type");
                }
                else if(name.equals("option"))
                {
                        inOption = true;
                        label = attr.getValue("label");
                }
                //else if(!name.equals("title") || !name.equals("instructions")  ) nu.fw.jeti.util.Log.notParsedXML("roster " + name);
        }

        public void endElement(String name)
        {
                if(name.equals("field"))
                {
                        if(reported)builder.addReportedField(fieldBuilder.build());
                        else if(multiple && items != null) items.add(fieldBuilder.build());
                        else builder.addField(fieldBuilder.build());
                }
                else if(name.equals("title"))
                {
                        builder.title = getText();  
                }
                else if(name.equals("instructions"))
                {
                        builder.addInstructions(getText());
                }
                else if(name.equals("desc"))
                {
                        fieldBuilder.addDescription(getText()); 
                }
                else if(name.equals("required"))
                {
                        fieldBuilder.required = true;
                }
                else if(name.equals("option"))
                {
                        fieldBuilder.addOption(label,value);
                        inOption=false;
                        label=null;
                        value=null;
                }
                else if(name.equals("value"))
                {
                        if(inOption == true) value = getText();
                        else fieldBuilder.addValue(getText()); 
                }
                else if (name.equals("reported"))
                {
                        reported = false;
                }
                else if (name.equals("item"))
                {
                        builder.addItem(items);
                }
                else nu.fw.jeti.util.Log.notParsedXML("XData " + name + getText());
                clearCurrentChars();
        }

        public Extension build() throws InstantiationException 
        {
                Extension e = builder.build();
                builder.reset();
                return e;
        }
}
/*
 * Overrides for emacs
 * Local variables:
 * tab-width: 4
 * End:
 */