001: /* ========================================================================
002: * JCommon : a free general purpose class library for the Java(tm) platform
003: * ========================================================================
004: *
005: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006: *
007: * Project Info: http://www.jfree.org/jcommon/index.html
008: *
009: * This library is free software; you can redistribute it and/or modify it
010: * under the terms of the GNU Lesser General Public License as published by
011: * the Free Software Foundation; either version 2.1 of the License, or
012: * (at your option) any later version.
013: *
014: * This library is distributed in the hope that it will be useful, but
015: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017: * License for more details.
018: *
019: * You should have received a copy of the GNU Lesser General Public
020: * License along with this library; if not, write to the Free Software
021: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
022: * USA.
023: *
024: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025: * in the United States and other countries.]
026: *
027: * -------------------------------------
028: * AbstractElementDefinitionHandler.java
029: * -------------------------------------
030: * (C)opyright 2003-2005, by Thomas Morgner and Contributors.
031: *
032: * Original Author: Thomas Morgner;
033: * Contributor(s): David Gilbert (for Object Refinery Limited);
034: *
035: * $Id: AbstractElementDefinitionHandler.java,v 1.3 2005/10/18 13:25:44 mungady Exp $
036: *
037: * Changes
038: * -------------------------
039: * 23.06.2003 : Initial version
040: *
041: */
042:
043: package org.jfree.xml;
044:
045: import org.xml.sax.Attributes;
046: import org.xml.sax.SAXException;
047:
048: /**
049: * An abstract element definition handler.
050: *
051: * @author Thomas Morgner
052: */
053: public abstract class AbstractElementDefinitionHandler implements
054: ElementDefinitionHandler {
055:
056: /** A parser. */
057: private Parser parser;
058:
059: /**
060: * Creates a new handler.
061: *
062: * @param parser the parser.
063: */
064: public AbstractElementDefinitionHandler(final Parser parser) {
065: this .parser = parser;
066: }
067:
068: /**
069: * Callback to indicate that an XML element start tag has been read by the parser.
070: *
071: * @param tagName the tag name.
072: * @param attrs the attributes.
073: *
074: * @throws SAXException if a parser error occurs or the validation failed.
075: */
076: public void startElement(final String tagName,
077: final Attributes attrs) throws SAXException {
078: // nothing required
079: }
080:
081: /**
082: * Callback to indicate that some character data has been read.
083: *
084: * @param ch the character array.
085: * @param start the start index for the characters.
086: * @param length the length of the character sequence.
087: * @throws SAXException if a parser error occurs or the validation failed.
088: */
089: public void characters(final char[] ch, final int start,
090: final int length) throws SAXException {
091: // nothing required
092: }
093:
094: /**
095: * Callback to indicate that an XML element end tag has been read by the parser.
096: *
097: * @param tagName the tag name.
098: *
099: * @throws SAXException if a parser error occurs or the validation failed.
100: */
101: public void endElement(final String tagName) throws SAXException {
102: // nothing required
103: }
104:
105: /**
106: * Returns the parser.
107: *
108: * @return The parser.
109: */
110: public Parser getParser() {
111: return this.parser;
112: }
113: }
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