1/*
2 * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25/*
26 * Copyright (C) 2004-2011
27 *
28 * Permission is hereby granted, free of charge, to any person obtaining a copy
29 * of this software and associated documentation files (the "Software"), to deal
30 * in the Software without restriction, including without limitation the rights
31 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
32 * copies of the Software, and to permit persons to whom the Software is
33 * furnished to do so, subject to the following conditions:
34 *
35 * The above copyright notice and this permission notice shall be included in
36 * all copies or substantial portions of the Software.
37 *
38 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
39 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
40 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
41 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
42 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
43 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
44 * THE SOFTWARE.
45 */
46package com.sun.xml.internal.rngom.parse.xml;
47
48import java.io.IOException;
49
50import com.sun.xml.internal.rngom.ast.builder.BuildException;
51import com.sun.xml.internal.rngom.ast.builder.IncludedGrammar;
52import com.sun.xml.internal.rngom.ast.builder.SchemaBuilder;
53import com.sun.xml.internal.rngom.ast.builder.Scope;
54import com.sun.xml.internal.rngom.ast.om.ParsedPattern;
55import com.sun.xml.internal.rngom.parse.IllegalSchemaException;
56import com.sun.xml.internal.rngom.parse.Parseable;
57import com.sun.xml.internal.rngom.xml.sax.JAXPXMLReaderCreator;
58import com.sun.xml.internal.rngom.xml.sax.XMLReaderCreator;
59import org.xml.sax.EntityResolver;
60import org.xml.sax.ErrorHandler;
61import org.xml.sax.InputSource;
62import org.xml.sax.SAXException;
63import org.xml.sax.XMLReader;
64
65/**
66 * RELAX NG schema in the XML syntax.
67 *
68 */
69public class SAXParseable implements Parseable {
70  private final InputSource in;
71
72  final XMLReaderCreator xrc;
73  final ErrorHandler eh;
74
75  public SAXParseable(InputSource in, ErrorHandler eh, XMLReaderCreator xrc) {
76      this.xrc = xrc;
77      this.eh = eh;
78    this.in = in;
79  }
80
81  public SAXParseable(InputSource in, ErrorHandler eh) {
82      this(in,eh,new JAXPXMLReaderCreator());
83  }
84
85  public ParsedPattern parse(SchemaBuilder schemaBuilder) throws BuildException, IllegalSchemaException {
86    try {
87      XMLReader xr = xrc.createXMLReader();
88      SchemaParser sp = new SchemaParser(this, xr, eh, schemaBuilder, null, null,"");
89      xr.parse(in);
90      ParsedPattern p = sp.getParsedPattern();
91      return schemaBuilder.expandPattern(p);
92    }
93    catch (SAXException e) {
94      throw toBuildException(e);
95    }
96    catch (IOException e) {
97      throw new BuildException(e);
98    }
99  }
100
101      public ParsedPattern parseInclude(String uri, SchemaBuilder schemaBuilder, IncludedGrammar g, String inheritedNs)
102              throws BuildException, IllegalSchemaException {
103        try {
104          XMLReader xr = xrc.createXMLReader();
105          SchemaParser sp = new SchemaParser(this, xr, eh, schemaBuilder, g, g, inheritedNs);
106          xr.parse(makeInputSource(xr, uri));
107          return sp.getParsedPattern();
108        }
109        catch (SAXException e) {
110         throw SAXParseable.toBuildException(e);
111        }
112        catch (IOException e) {
113         throw new BuildException(e);
114        }
115      }
116
117      public ParsedPattern parseExternal(String uri, SchemaBuilder schemaBuilder, Scope s, String inheritedNs)
118              throws BuildException, IllegalSchemaException {
119        try {
120          XMLReader xr = xrc.createXMLReader();
121          SchemaParser sp = new SchemaParser(this, xr, eh, schemaBuilder, null, s, inheritedNs);
122          xr.parse(makeInputSource(xr, uri));
123          return sp.getParsedPattern();
124        }
125        catch (SAXException e) {
126          throw SAXParseable.toBuildException(e);
127        }
128        catch (IOException e) {
129          throw new BuildException(e);
130        }
131      }
132
133      private static InputSource makeInputSource(XMLReader xr, String systemId) throws IOException, SAXException {
134        EntityResolver er = xr.getEntityResolver();
135        if (er != null) {
136          InputSource inputSource = er.resolveEntity(null, systemId);
137          if (inputSource != null)
138        return inputSource;
139        }
140        return new InputSource(systemId);
141      }
142
143      static BuildException toBuildException(SAXException e) {
144        Exception inner = e.getException();
145        if (inner instanceof BuildException)
146          throw (BuildException)inner;
147        throw new BuildException(e);
148      }
149    }
150