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Java > Open Source Codes > com > lowagie > text > xml > SAXmyHandler


1 /*
2  * $Id: SAXmyHandler.java 2377 2006-09-15 07:51:05Z xlv $
3  * $Name$
4  *
5  * Copyright 2001, 2002 by Bruno Lowagie.
6  *
7  * The contents of this file are subject to the Mozilla Public License Version 1.1
8  * (the "License"); you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at http://www.mozilla.org/MPL/
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the License.
14  *
15  * The Original Code is 'iText, a free JAVA-PDF library'.
16  *
17  * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
18  * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
19  * All Rights Reserved.
20  * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
21  * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
22  *
23  * Contributor(s): all the names of the contributors are added in the source code
24  * where applicable.
25  *
26  * Alternatively, the contents of this file may be used under the terms of the
27  * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
28  * provisions of LGPL are applicable instead of those above. If you wish to
29  * allow use of your version of this file only under the terms of the LGPL
30  * License and not to allow others to use your version of this file under
31  * the MPL, indicate your decision by deleting the provisions above and
32  * replace them with the notice and other provisions required by the LGPL.
33  * If you do not delete the provisions above, a recipient may use your version
34  * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
35  *
36  * This library is free software; you can redistribute it and/or modify it
37  * under the terms of the MPL as stated above or under the terms of the GNU
38  * Library General Public License as published by the Free Software Foundation;
39  * either version 2 of the License, or any later version.
40  *
41  * This library is distributed in the hope that it will be useful, but WITHOUT
42  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
43  * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
44  * details.
45  *
46  * If you didn't download this code from the following link, you should check if
47  * you aren't using an obsolete version:
48  * http://www.lowagie.com/iText/
49  */
50
51 package com.lowagie.text.xml;
52
53 import java.util.HashMap JavaDoc;
54 import java.util.Properties JavaDoc;
55
56 import org.xml.sax.Attributes JavaDoc;
57
58 import com.lowagie.text.DocListener;
59
60 /**
61  * The <CODE>Tags</CODE>-class maps several XHTML-tags to iText-objects.
62  */
63
64 public class SAXmyHandler extends SAXiTextHandler {
65     
66 /** This hashmap contains all the custom keys and peers. */
67     protected HashMap JavaDoc myTags;
68     
69 /**
70  * Constructs a new SAXiTextHandler that will translate all the events
71  * triggered by the parser to actions on the <CODE>Document</CODE>-object.
72  *
73  * @param document this is the document on which events must be triggered
74  * @param myTags a userdefined tagmap
75  */
76     
77     public SAXmyHandler(DocListener document, HashMap JavaDoc myTags) {
78         super(document);
79         this.myTags = myTags;
80     }
81     
82 /**
83  * This method gets called when a start tag is encountered.
84  *
85      * @param uri the Uniform Resource Identifier
86      * @param lname the local name (without prefix), or the empty string if Namespace processing is not being performed.
87  * @param name the name of the tag that is encountered
88  * @param attrs the list of attributes
89  */
90     
91     public void startElement(String JavaDoc uri, String JavaDoc lname, String JavaDoc name, Attributes JavaDoc attrs) {
92         if (myTags.containsKey(name)) {
93             XmlPeer peer = (XmlPeer) myTags.get(name);
94             handleStartingTags(peer.getTag(), peer.getAttributes(attrs));
95         }
96         else {
97             Properties JavaDoc attributes = new Properties JavaDoc();
98             if (attrs != null) {
99                 for (int i = 0; i < attrs.getLength(); i++) {
100                     String JavaDoc attribute = attrs.getQName(i);
101                     attributes.setProperty(attribute, attrs.getValue(i));
102                 }
103             }
104             handleStartingTags(name, attributes);
105         }
106     }
107     
108     /**
109      * This method gets called when an end tag is encountered.
110      *
111      * @param uri the Uniform Resource Identifier
112      * @param lname the local name (without prefix), or the empty string if Namespace processing is not being performed.
113      * @param name the name of the tag that ends
114      */
115     
116     public void endElement(String JavaDoc uri, String JavaDoc lname, String JavaDoc name) {
117         if (myTags.containsKey(name)) {
118             XmlPeer peer = (XmlPeer) myTags.get(name);
119             handleEndingTags(peer.getTag());
120         }
121         else {
122             handleEndingTags(name);
123         }
124     }
125 }
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