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