KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > dom > wrappers > Xerces


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  *
5  * Copyright (c) 1999, 2000 The Apache Software Foundation. All rights
6  * reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in
17  * the documentation and/or other materials provided with the
18  * distribution.
19  *
20  * 3. The end-user documentation included with the redistribution,
21  * if any, must include the following acknowledgment:
22  * "This product includes software developed by the
23  * Apache Software Foundation (http://www.apache.org/)."
24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
26  *
27  * 4. The names "Xerces" and "Apache Software Foundation" must
28  * not be used to endorse or promote products derived from this
29  * software without prior written permission. For written
30  * permission, please contact apache@apache.org.
31  *
32  * 5. Products derived from this software may not be called "Apache",
33  * nor may "Apache" appear in their name, without prior written
34  * permission of the Apache Software Foundation.
35  *
36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
37  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
38  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
39  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
43  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
44  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
45  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
46  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47  * SUCH DAMAGE.
48  * ====================================================================
49  *
50  * This software consists of voluntary contributions made by many
51  * individuals on behalf of the Apache Software Foundation and was
52  * originally based on software copyright (c) 1999, International
53  * Business Machines, Inc., http://www.apache.org. For more
54  * information on the Apache Software Foundation, please see
55  * <http://www.apache.org/>.
56  */
57
58 package dom.wrappers;
59
60 import dom.DOMParserWrapper;
61
62 import org.apache.xerces.dom.TextImpl;
63 import org.apache.xerces.parsers.DOMParser;
64
65 import org.w3c.dom.Document JavaDoc;
66 import org.w3c.dom.Text JavaDoc;
67
68 import org.xml.sax.InputSource JavaDoc;
69 import org.xml.sax.ErrorHandler JavaDoc;
70 import org.xml.sax.SAXException JavaDoc;
71 import org.xml.sax.SAXParseException JavaDoc;
72 import org.xml.sax.SAXNotRecognizedException JavaDoc;
73 import org.xml.sax.SAXNotSupportedException JavaDoc;
74
75 /**
76  * Wraps the Xerces DOM parser.
77  *
78  * @version $Id: Xerces.java,v 1.1.1.1 2005/06/23 15:23:25 smontoro Exp $
79  */
80 public class Xerces
81     implements DOMParserWrapper, DOMParserWrapper.DocumentInfo, ErrorHandler JavaDoc {
82
83     //
84 // Data
85 //
86
87     /** Parser. */
88     protected DOMParser parser = new DOMParser();
89
90     //
91 // Constructors
92 //
93
94     /** Default constructor. */
95     public Xerces() {
96         parser.setErrorHandler(this);
97     } // <init>()
98
99     //
100 // ParserWrapper methods
101 //
102
103     /** Parses the specified URI and returns the document. */
104     public Document JavaDoc parse(String JavaDoc uri) throws Exception JavaDoc {
105         parser.parse(uri);
106         return parser.getDocument();
107     } // parse(String):Document
108
109     /** Parses the specified InputSource and returns the document. */
110     public Document JavaDoc parse(InputSource JavaDoc src) throws Exception JavaDoc {
111         parser.parse(src);
112         return parser.getDocument();
113     } // parse(String):Document
114
115     /** Sets a feature. */
116     public void setFeature(String JavaDoc featureId, boolean state)
117         throws SAXNotRecognizedException JavaDoc, SAXNotSupportedException JavaDoc {
118         parser.setFeature(featureId, state);
119     } // setFeature(String,boolean)
120
121     /** Returns the document information. */
122     public DOMParserWrapper.DocumentInfo getDocumentInfo() {
123         return this;
124     } // getDocumentInfo():DocumentInfo
125
126     //
127 // DocumentInfo methods
128 //
129
130     /**
131      * Returns true if the specified text node is ignorable whitespace.
132      */
133     public boolean isIgnorableWhitespace(Text JavaDoc text) {
134         return ((TextImpl)text).isIgnorableWhitespace();
135     }
136
137     //
138 // ErrorHandler methods
139 //
140
141     /** Warning. */
142     public void warning(SAXParseException JavaDoc ex) throws SAXException JavaDoc {
143         printError("Warning", ex);
144     } // warning(SAXParseException)
145
146     /** Error. */
147     public void error(SAXParseException JavaDoc ex) throws SAXException JavaDoc {
148         printError("Error", ex);
149     } // error(SAXParseException)
150
151     /** Fatal error. */
152     public void fatalError(SAXParseException JavaDoc ex) throws SAXException JavaDoc {
153         printError("Fatal Error", ex);
154         throw ex;
155     } // fatalError(SAXParseException)
156
157     //
158 // Protected methods
159 //
160
161     /** Prints the error message. */
162     protected void printError(String JavaDoc type, SAXParseException JavaDoc ex) {
163
164         System.err.print("[");
165         System.err.print(type);
166         System.err.print("] ");
167         String JavaDoc systemId = ex.getSystemId();
168         if (systemId != null) {
169             int index = systemId.lastIndexOf('/');
170             if (index != -1)
171                 systemId = systemId.substring(index + 1);
172             System.err.print(systemId);
173         }
174         System.err.print(':');
175         System.err.print(ex.getLineNumber());
176         System.err.print(':');
177         System.err.print(ex.getColumnNumber());
178         System.err.print(": ");
179         System.err.print(ex.getMessage());
180         System.err.println();
181         System.err.flush();
182
183     } // printError(String,SAXParseException)
184
185 } // class Xerces
186
Popular Tags