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org.apache.jetspeed.rewriter.html.neko.URLRewriterFilter	0%	0%

1		/*
2		* Licensed to the Apache Software Foundation (ASF) under one or more
3		* contributor license agreements. See the NOTICE file distributed with
4		* this work for additional information regarding copyright ownership.
5		* The ASF licenses this file to You under the Apache License, Version 2.0
6		* (the "License"); you may not use this file except in compliance with
7		* the License. You may obtain a copy of the License at
8		*
9		* http://www.apache.org/licenses/LICENSE-2.0
10		*
11		* Unless required by applicable law or agreed to in writing, software
12		* distributed under the License is distributed on an "AS IS" BASIS,
13		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14		* See the License for the specific language governing permissions and
15		* limitations under the License.
16		*/
17		package org.apache.jetspeed.rewriter.html.neko;
18
19		import org.apache.jetspeed.rewriter.Rewriter;
20		import org.apache.xerces.xni.Augmentations;
21		import org.apache.xerces.xni.QName;
22		import org.apache.xerces.xni.XMLAttributes;
23		import org.apache.xerces.xni.XMLString;
24		import org.apache.xerces.xni.XNIException;
25		import org.cyberneko.html.filters.DefaultFilter;
26
27		/**
28		* <p>
29		* URLRewriterFilter
30		* </p>
31		* <p>
32		*
33		* </p>
34		*
35		* @author <a href="mailto:weaver@apache.org">Scott T. Weaver </a>
36		* @version $Id: URLRewriterFilter.java 517121 2007-03-12 07:45:49Z ate $
37		*
38		*/
39		public class URLRewriterFilter extends DefaultFilter
40		{
41
42		private Rewriter rewriter;
43
44
45		/**
46		*
47		*/
48		public URLRewriterFilter(Rewriter rewriter )
49		{
50	0	super();
51	0	this.rewriter = rewriter;
52	0	}
53
54
55		/**
56		* <p>
57		* startElement
58		* </p>
59		*
60		* @see org.apache.xerces.xni.XMLDocumentHandler#startElement(org.apache.xerces.xni.QName,
61		* org.apache.xerces.xni.XMLAttributes,
62		* org.apache.xerces.xni.Augmentations)
63		* @param element
64		* @param attrs
65		* @param augs
66		* @throws org.apache.xerces.xni.XNIException
67		*/
68		public void startElement( QName element, XMLAttributes attrs, Augmentations augs ) throws XNIException
69		{
70	0	if (false == rewriter.enterSimpleTagEvent(element.rawname, new XMLAttributesWrapper(attrs)))
71		{
72	0	doRewrite(element, attrs);
73	0	String appended = rewriter.exitSimpleTagEvent(element.rawname, new XMLAttributesWrapper(attrs));
74	0	if (null != appended)
75		{
76		//TODO: implement this!
77		}
78		}
79
80	0	super.startElement(element, attrs, augs);
81	0	}
82
83		/**
84		* <p>
85		* doRewrite
86		* </p>
87		*
88		* @param element
89		* @param attrs
90		*/
91		protected void doRewrite( QName element, XMLAttributes attrs )
92		{
93	0	if (element.rawname.equals("A"))
94		{
95	0	rewriteAttribute("href", attrs);
96		}
97	0	else if (element.rawname.equals("FORM"))
98		{
99	0	rewriteAttribute("action", attrs);
100		}
101	0	}
102
103		protected void rewriteAttribute( String attrName, XMLAttributes attributes )
104		{
105
106	0	String uri = attributes.getValue(attrName);
107
108
109	0	if (uri != null)
110		{
111		// attributes.setValue(attributes.getIndex(attrName), urlGenerator.createUrl(uri));
112
113		}
114
115	0	}
116		/**
117		* <p>
118		* emptyElement
119		* </p>
120		*
121		* @see org.apache.xerces.xni.XMLDocumentHandler#emptyElement(org.apache.xerces.xni.QName, org.apache.xerces.xni.XMLAttributes, org.apache.xerces.xni.Augmentations)
122		* @param arg0
123		* @param arg1
124		* @param arg2
125		* @throws org.apache.xerces.xni.XNIException
126		*/
127		public void emptyElement( QName element, XMLAttributes attrs, Augmentations arg2 ) throws XNIException
128		{
129	0	doRewrite(element, attrs);
130	0	super.emptyElement(element, attrs, arg2);
131	0	}
132		/**
133		* <p>
134		* comment
135		* </p>
136		*
137		* @see org.apache.xerces.xni.XMLDocumentHandler#comment(org.apache.xerces.xni.XMLString, org.apache.xerces.xni.Augmentations)
138		* @param comment
139		* @param augs
140		* @throws org.apache.xerces.xni.XNIException
141		*/
142		public void comment( XMLString comment, Augmentations augs ) throws XNIException
143		{
144	0	if (!rewriter.shouldRemoveComments())
145		{
146	0	super.comment(comment, augs);
147		}
148
149	0	}
150		/**
151		* <p>
152		* endElement
153		* </p>
154		*
155		* @see org.apache.xerces.xni.XMLDocumentHandler#endElement(org.apache.xerces.xni.QName, org.apache.xerces.xni.Augmentations)
156		* @param arg0
157		* @param arg1
158		* @throws org.apache.xerces.xni.XNIException
159		*/
160		public void endElement( QName element, Augmentations augs ) throws XNIException
161		{
162	0	super.endElement(element, augs);
163	0	}
164		/**
165		* <p>
166		* characters
167		* </p>
168		*
169		* @see org.apache.xerces.xni.XMLDocumentHandler#characters(org.apache.xerces.xni.XMLString, org.apache.xerces.xni.Augmentations)
170		* @param arg0
171		* @param arg1
172		* @throws org.apache.xerces.xni.XNIException
173		*/
174		public void characters( XMLString text, Augmentations arg1 ) throws XNIException
175		{
176	0	if (!(text.ch[0] == '>') && ! rewriter.enterText(text.ch, text.offset))
177		{
178	0	super.characters(text, arg1);
179		}
180	0	}
181		}

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