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Java > Open Source Codes > com > caucho > relaxng > VerifierFactoryImpl


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  * Free SoftwareFoundation, Inc.
23  * 59 Temple Place, Suite 330
24  * Boston, MA 02111-1307 USA
25  *
26  * @author Scott Ferguson
27  */
28
29 package com.caucho.relaxng;
30
31 import com.caucho.vfs.Path;
32 import com.caucho.vfs.ReadStream;
33 import com.caucho.vfs.Vfs;
34 import com.caucho.xml.Xml;
35
36 import org.xml.sax.InputSource JavaDoc;
37 import org.xml.sax.SAXException JavaDoc;
38 import org.xml.sax.XMLReader JavaDoc;
39
40 import java.io.IOException JavaDoc;
41
42 /**
43  * JARV Verifier factory.
44  */
45 public class VerifierFactoryImpl implements VerifierFactory {
46   /**
47    * Compile a schema.
48    */
49   public Schema compileSchema(String JavaDoc url)
50     throws SAXException JavaDoc, IOException JavaDoc
51   {
52     Path path = Vfs.lookup(url);
53
54     ReadStream is = path.openRead();
55     try {
56       InputSource JavaDoc source = new InputSource JavaDoc(is);
57       source.setSystemId(url);
58
59       return compileSchema(source);
60     } finally {
61       is.close();
62     }
63   }
64
65     
66   /**
67    * Compile a schema.
68    */
69   public Schema compileSchema(InputSource JavaDoc is)
70     throws SAXException JavaDoc, IOException JavaDoc
71   {
72     try {
73       RelaxBuilder builder = new RelaxBuilder();
74
75       XMLReader JavaDoc reader = new Xml();
76
77       reader.setContentHandler(builder);
78
79       reader.parse(is);
80
81       return new SchemaImpl(builder.getGrammar());
82     } catch (RelaxException e) {
83       throw new SAXException JavaDoc(e);
84     }
85   }
86 }
87
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