| XMLHandlerAdapter.java |
1 /**
2 * Distribution License:
3 * JSword is free software; you can redistribute it and/or modify it under
4 * the terms of the GNU Lesser General Public License, version 2.1 or later
5 * as published by the Free Software Foundation. This program is distributed
6 * in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
7 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
8 * See the GNU Lesser General Public License for more details.
9 *
10 * The License is available on the internet at:
11 * http://www.gnu.org/copyleft/lgpl.html
12 * or by writing to:
13 * Free Software Foundation, Inc.
14 * 59 Temple Place - Suite 330
15 * Boston, MA 02111-1307, USA
16 *
17 * © CrossWire Bible Society, 2005 - 2016
18 *
19 */
20 /*
21 * This is based on XMLProcess.
22 * @author Andy Clark, IBM
23 * @author Arnaud Le Hors, IBM
24 *
25 * Copyright 2000-2002,2004,2005 The Apache Software Foundation.
26 *
27 * Licensed under the Apache License, Version 2.0 (the "License");
28 * you may not use this file except in compliance with the License.
29 * You may obtain a copy of the License at
30 *
31 * http://www.apache.org/licenses/LICENSE-2.0
32 *
33 * Unless required by applicable law or agreed to in writing, software
34 * distributed under the License is distributed on an "AS IS" BASIS,
35 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
36 * See the License for the specific language governing permissions and
37 * limitations under the License.
38 *
39 */
40 package org.crosswire.common.xml;
41
42 import java.io.IOException;
43
44 import org.xml.sax.Attributes;
45 import org.xml.sax.ContentHandler;
46 import org.xml.sax.DTDHandler;
47 import org.xml.sax.EntityResolver;
48 import org.xml.sax.ErrorHandler;
49 import org.xml.sax.InputSource;
50 import org.xml.sax.Locator;
51 import org.xml.sax.SAXException;
52 import org.xml.sax.SAXParseException;
53 import org.xml.sax.ext.DeclHandler;
54 import org.xml.sax.ext.LexicalHandler;
55
56 /**
57 * Checks a XML document for problems, reporting line and offset.
58 *
59 * @see gnu.lgpl.License The GNU Lesser General Public License for details.
60 * @author DM Smith
61 */
62 public class XMLHandlerAdapter implements EntityResolver, DTDHandler, ContentHandler, ErrorHandler, DeclHandler, LexicalHandler {
63 /**
64 * Default constructor.
65 */
66 public XMLHandlerAdapter() {
67 }
68
69 /* (non-Javadoc)
70 * @see org.xml.sax.ContentHandler#setDocumentLocator(org.xml.sax.Locator)
71 */
72 public void setDocumentLocator(Locator locator) {
73 }
74
75 /* (non-Javadoc)
76 * @see org.xml.sax.ContentHandler#startDocument()
77 */
78 public void startDocument() throws SAXException {
79 }
80
81 /* (non-Javadoc)
82 * @see org.xml.sax.ContentHandler#processingInstruction(java.lang.String, java.lang.String)
83 */
84 public void processingInstruction(String target, String data) throws SAXException {
85 }
86
87 /* (non-Javadoc)
88 * @see org.xml.sax.ContentHandler#characters(char[], int, int)
89 */
90 public void characters(char[] ch, int offset, int length) throws SAXException {
91 }
92
93 /* (non-Javadoc)
94 * @see org.xml.sax.ContentHandler#ignorableWhitespace(char[], int, int)
95 */
96 public void ignorableWhitespace(char[] ch, int offset, int length) throws SAXException {
97 }
98
99 /* (non-Javadoc)
100 * @see org.xml.sax.ContentHandler#endDocument()
101 */
102 public void endDocument() throws SAXException {
103 }
104
105 /* (non-Javadoc)
106 * @see org.xml.sax.ContentHandler#startPrefixMapping(java.lang.String, java.lang.String)
107 */
108 public void startPrefixMapping(String prefix, String uri) throws SAXException {
109 }
110
111 /* (non-Javadoc)
112 * @see org.xml.sax.ContentHandler#startElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes)
113 */
114 public void startElement(String uri, String localName, String qname, Attributes attributes) throws SAXException {
115 }
116
117 /* (non-Javadoc)
118 * @see org.xml.sax.ContentHandler#endElement(java.lang.String, java.lang.String, java.lang.String)
119 */
120 public void endElement(String uri, String localName, String qname) throws SAXException {
121 }
122
123 /* (non-Javadoc)
124 * @see org.xml.sax.ContentHandler#endPrefixMapping(java.lang.String)
125 */
126 public void endPrefixMapping(String prefix) throws SAXException {
127 }
128
129 /* (non-Javadoc)
130 * @see org.xml.sax.ContentHandler#skippedEntity(java.lang.String)
131 */
132 public void skippedEntity(String name) throws SAXException {
133 }
134
135 /* (non-Javadoc)
136 * @see org.xml.sax.DTDHandler#notationDecl(java.lang.String, java.lang.String, java.lang.String)
137 */
138 public void notationDecl(String name, String publicId, String systemId) throws SAXException {
139 }
140
141 /* (non-Javadoc)
142 * @see org.xml.sax.DTDHandler#unparsedEntityDecl(java.lang.String, java.lang.String, java.lang.String, java.lang.String)
143 */
144 public void unparsedEntityDecl(String name, String publicId, String systemId, String notationName) throws SAXException {
145 }
146
147 /* (non-Javadoc)
148 * @see org.xml.sax.ext.LexicalHandler#startDTD(java.lang.String, java.lang.String, java.lang.String)
149 */
150 public void startDTD(String name, String publicId, String systemId) throws SAXException {
151 }
152
153 /* (non-Javadoc)
154 * @see org.xml.sax.ext.LexicalHandler#startEntity(java.lang.String)
155 */
156 public void startEntity(String name) throws SAXException {
157 }
158
159 /* (non-Javadoc)
160 * @see org.xml.sax.ext.LexicalHandler#startCDATA()
161 */
162 public void startCDATA() throws SAXException {
163 }
164
165 /* (non-Javadoc)
166 * @see org.xml.sax.ext.LexicalHandler#endCDATA()
167 */
168 public void endCDATA() throws SAXException {
169 }
170
171 /* (non-Javadoc)
172 * @see org.xml.sax.ext.LexicalHandler#comment(char[], int, int)
173 */
174 public void comment(char[] ch, int offset, int length) throws SAXException {
175 }
176
177 /* (non-Javadoc)
178 * @see org.xml.sax.ext.LexicalHandler#endEntity(java.lang.String)
179 */
180 public void endEntity(String name) throws SAXException {
181 }
182
183 /* (non-Javadoc)
184 * @see org.xml.sax.ext.LexicalHandler#endDTD()
185 */
186 public void endDTD() throws SAXException {
187 }
188
189 /* (non-Javadoc)
190 * @see org.xml.sax.ext.DeclHandler#elementDecl(java.lang.String, java.lang.String)
191 */
192 public void elementDecl(String name, String contentModel) throws SAXException {
193 }
194
195 /* (non-Javadoc)
196 * @see org.xml.sax.ext.DeclHandler#attributeDecl(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String)
197 */
198 public void attributeDecl(String elementName, String attributeName, String type, String valueDefault, String value) throws SAXException {
199 }
200
201 /* (non-Javadoc)
202 * @see org.xml.sax.ext.DeclHandler#internalEntityDecl(java.lang.String, java.lang.String)
203 */
204 public void internalEntityDecl(String name, String text) throws SAXException {
205 }
206
207 /* (non-Javadoc)
208 * @see org.xml.sax.ext.DeclHandler#externalEntityDecl(java.lang.String, java.lang.String, java.lang.String)
209 */
210 public void externalEntityDecl(String name, String publicId, String systemId) throws SAXException {
211 }
212
213 /* (non-Javadoc)
214 * @see org.xml.sax.EntityResolver#resolveEntity(java.lang.String, java.lang.String)
215 */
216 public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException {
217 return null;
218 }
219
220 /* (non-Javadoc)
221 * @see org.xml.sax.ErrorHandler#warning(org.xml.sax.SAXParseException)
222 */
223 public void warning(SAXParseException ex) throws SAXException {
224 printError("Warning", ex);
225 }
226
227 /* (non-Javadoc)
228 * @see org.xml.sax.ErrorHandler#error(org.xml.sax.SAXParseException)
229 */
230 public void error(SAXParseException ex) throws SAXException {
231 printError("Error", ex);
232 }
233
234 /* (non-Javadoc)
235 * @see org.xml.sax.ErrorHandler#fatalError(org.xml.sax.SAXParseException)
236 */
237 public void fatalError(SAXParseException ex) throws SAXException {
238 printError("Fatal Error", ex);
239 }
240
241 /**
242 * Prints the error message.
243 *
244 * @param type the type of the message
245 * @param ex the exception of the error
246 */
247 private void printError(String type, SAXParseException ex) {
248 System.err.print("[");
249 System.err.print(type);
250 System.err.print("] ");
251 String systemId = ex.getSystemId();
252 if (systemId != null) {
253 int index = systemId.lastIndexOf('/');
254 if (index != -1) {
255 systemId = systemId.substring(index + 1);
256 }
257 System.err.print(systemId);
258 }
259 System.err.print(':');
260 System.err.print(ex.getLineNumber());
261 System.err.print(':');
262 System.err.print(ex.getColumnNumber());
263 System.err.print(": ");
264 System.err.print(ex.getMessage());
265 System.err.println();
266 System.err.flush();
267
268 }
269 }
270