001: /*
002: * The Apache Software License, Version 1.1
003: *
004: *
005: * Copyright (c) 1999, 2000 The Apache Software Foundation. All rights
006: * reserved.
007: *
008: * Redistribution and use in source and binary forms, with or without
009: * modification, are permitted provided that the following conditions
010: * are met:
011: *
012: * 1. Redistributions of source code must retain the above copyright
013: * notice, this list of conditions and the following disclaimer.
014: *
015: * 2. Redistributions in binary form must reproduce the above copyright
016: * notice, this list of conditions and the following disclaimer in
017: * the documentation and/or other materials provided with the
018: * distribution.
019: *
020: * 3. The end-user documentation included with the redistribution,
021: * if any, must include the following acknowledgment:
022: * "This product includes software developed by the
023: * Apache Software Foundation (http://www.apache.org/)."
024: * Alternately, this acknowledgment may appear in the software itself,
025: * if and wherever such third-party acknowledgments normally appear.
026: *
027: * 4. The names "Xerces" and "Apache Software Foundation" must
028: * not be used to endorse or promote products derived from this
029: * software without prior written permission. For written
030: * permission, please contact apache@apache.org.
031: *
032: * 5. Products derived from this software may not be called "Apache",
033: * nor may "Apache" appear in their name, without prior written
034: * permission of the Apache Software Foundation.
035: *
036: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
037: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
038: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
039: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
040: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
041: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
042: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
043: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
044: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
045: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
046: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
047: * SUCH DAMAGE.
048: * ====================================================================
049: *
050: * This software consists of voluntary contributions made by many
051: * individuals on behalf of the Apache Software Foundation and was
052: * originally based on software copyright (c) 1999, International
053: * Business Machines, Inc., http://www.apache.org. For more
054: * information on the Apache Software Foundation, please see
055: * <http://www.apache.org/>.
056: */
057:
058: package dom.wrappers;
059:
060: import dom.DOMParserWrapper;
061:
062: import org.apache.xerces.dom.TextImpl;
063: import org.apache.xerces.parsers.DOMParser;
064:
065: import org.w3c.dom.Document;
066: import org.w3c.dom.Text;
067:
068: import org.xml.sax.InputSource;
069: import org.xml.sax.ErrorHandler;
070: import org.xml.sax.SAXException;
071: import org.xml.sax.SAXParseException;
072: import org.xml.sax.SAXNotRecognizedException;
073: import org.xml.sax.SAXNotSupportedException;
074:
075: /**
076: * Wraps the Xerces DOM parser.
077: *
078: * @version $Id: Xerces.java,v 1.1.1.1 2005/06/23 15:23:25 smontoro Exp $
079: */
080: public class Xerces implements DOMParserWrapper,
081: DOMParserWrapper.DocumentInfo, ErrorHandler {
082:
083: //
084: // Data
085: //
086:
087: /** Parser. */
088: protected DOMParser parser = new DOMParser();
089:
090: //
091: // Constructors
092: //
093:
094: /** Default constructor. */
095: public Xerces() {
096: parser.setErrorHandler(this );
097: } // <init>()
098:
099: //
100: // ParserWrapper methods
101: //
102:
103: /** Parses the specified URI and returns the document. */
104: public Document parse(String uri) throws Exception {
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 parse(InputSource src) throws Exception {
111: parser.parse(src);
112: return parser.getDocument();
113: } // parse(String):Document
114:
115: /** Sets a feature. */
116: public void setFeature(String featureId, boolean state)
117: throws SAXNotRecognizedException, SAXNotSupportedException {
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 text) {
134: return ((TextImpl) text).isIgnorableWhitespace();
135: }
136:
137: //
138: // ErrorHandler methods
139: //
140:
141: /** Warning. */
142: public void warning(SAXParseException ex) throws SAXException {
143: printError("Warning", ex);
144: } // warning(SAXParseException)
145:
146: /** Error. */
147: public void error(SAXParseException ex) throws SAXException {
148: printError("Error", ex);
149: } // error(SAXParseException)
150:
151: /** Fatal error. */
152: public void fatalError(SAXParseException ex) throws SAXException {
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 type, SAXParseException ex) {
163:
164: System.err.print("[");
165: System.err.print(type);
166: System.err.print("] ");
167: String 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
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