/*
 * $Id: SAXmyHandler.java,v 1.12 2005/11/29 16:00:17 blowagie Exp $
 * $Name:  $
 *
 * Copyright 2001, 2002 by Bruno Lowagie.
 *
 * 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 'iText, a free JAVA-PDF library'.
 *
 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
 * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
 *
 * Contributor(s): all the names of the contributors are added in the source code
 * where applicable.
 *
 * Alternatively, the contents of this file may be used under the terms of the
 * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
 * provisions of LGPL are applicable instead of those above.  If you wish to
 * allow use of your version of this file only under the terms of the LGPL
 * License and not to allow others to use your version of this file under
 * the MPL, indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by the LGPL.
 * If you do not delete the provisions above, a recipient may use your version
 * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the MPL as stated above or under the terms of the GNU
 * Library General Public License as published by the Free Software Foundation;
 * either version 2 of the License, or any later version.
 *
 * This library 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 Library general Public License for more
 * details.
 *
 * If you didn't download this code from the following link, you should check if
 * you aren't using an obsolete version:
 * http://www.lowagie.com/iText/
 */

package com.lowagie.text.xml;

import java.io.IOException;
import java.util.HashMap;
import java.util.Properties;

import org.xml.sax.Attributes;

import com.lowagie.text.*;

/**
 * The <CODE>Tags</CODE>-class maps several XHTML-tags to iText-objects.
 */

public class SAXmyHandler extends SAXiTextHandler {
    
/** This hashmap contains all the custom keys and peers. */
    protected HashMap myTags;
    
/**
 * Constructs a new SAXiTextHandler that will translate all the events
 * triggered by the parser to actions on the <CODE>Document</CODE>-object.
 *
 * @param	document	this is the document on which events must be triggered
 * @param myTags a userdefined tagmap
 * @throws IOException
 * @throws DocumentException
 */
    
    public SAXmyHandler(DocListener document, HashMap myTags) throws DocumentException, IOException {
        super(document);
        this.myTags = myTags;
    }
    
/**
 * This method gets called when a start tag is encountered.
 * 
	 * @param   uri 		the Uniform Resource Identifier
	 * @param   lname 		the local name (without prefix), or the empty string if Namespace processing is not being performed.
 * @param	name		the name of the tag that is encountered
 * @param	attrs		the list of attributes
 */
    
    public void startElement(String uri, String lname, String name, Attributes attrs) {
        if (myTags.containsKey(name)) {
            XmlPeer peer = (XmlPeer) myTags.get(name);
            handleStartingTags(peer.getTag(), peer.getAttributes(attrs));
        }
        else {
            Properties attributes = new Properties();
            if (attrs != null) {
                for (int i = 0; i < attrs.getLength(); i++) {
                    String attribute = attrs.getQName(i);
                    attributes.setProperty(attribute, attrs.getValue(i));
                }
            }
            handleStartingTags(name, attributes);
        }
    }
    
    /**
 	 * This method gets called when an end tag is encountered.
 	 *
	 * @param   uri 		the Uniform Resource Identifier
	 * @param   lname 		the local name (without prefix), or the empty string if Namespace processing is not being performed.
	 * @param	name		the name of the tag that ends
	 */
    
    public void endElement(String uri, String lname, String name) {
        if (myTags.containsKey(name)) {
            XmlPeer peer = (XmlPeer) myTags.get(name);
            handleEndingTags(peer.getTag());
        }
        else {
            handleEndingTags(name);
        }
    }
}