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Java > Open Source Codes > org > apache > fop > svg > FOPSAXSVGDocumentFactory


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
18 /* $Id: FOPSAXSVGDocumentFactory.java 426576 2006-07-28 15:44:37Z jeremias $ */
19  
20 package org.apache.fop.svg;
21
22 import java.io.IOException JavaDoc;
23
24 import org.xml.sax.EntityResolver JavaDoc;
25 import org.xml.sax.InputSource JavaDoc;
26 import org.xml.sax.SAXException JavaDoc;
27
28 import org.apache.batik.dom.svg.SAXSVGDocumentFactory;
29
30 /**
31  * This is a special subclass to allow setting a special EntityResolver.
32  */
33 public class FOPSAXSVGDocumentFactory extends SAXSVGDocumentFactory {
34
35     private EntityResolver JavaDoc additionalResolver;
36
37     /**
38      * Creates a new DocumentFactory object.
39      * @param parser The SAX2 parser classname.
40      */
41     public FOPSAXSVGDocumentFactory(String JavaDoc parser) {
42         super(parser);
43     }
44     
45     /**
46      * Sets an additional entity resolver. It will be used before the default
47      * entity resolving.
48      * @param resolver Additional resolver
49      */
50     public void setAdditionalEntityResolver(EntityResolver JavaDoc resolver) {
51         this.additionalResolver = resolver;
52     }
53     
54     /**
55      * @see org.xml.sax.EntityResolver#resolveEntity(String, String)
56      */
57     public InputSource JavaDoc resolveEntity(String JavaDoc publicId, String JavaDoc systemId)
58                 throws SAXException JavaDoc {
59         if (this.additionalResolver != null) {
60             try {
61                 InputSource JavaDoc result = this.additionalResolver.resolveEntity(publicId, systemId);
62                 if (result != null) {
63                     return result;
64                 }
65             } catch (IOException JavaDoc ioe) {
66                 /**@todo Batik's SAXSVGDocumentFactory should throw IOException,
67                  * so we don't have to handle it here. */
68                 throw new SAXException JavaDoc(ioe);
69             }
70         }
71         return super.resolveEntity(publicId, systemId);
72     }
73
74 }
75
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