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1: /* ======================================================================== 2: * JCommon : a free general purpose class library for the Java(tm) platform 3: * ======================================================================== 4: * 5: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors. 6: * 7: * Project Info: http://www.jfree.org/jcommon/index.html 8: * 9: * This library is free software; you can redistribute it and/or modify it 10: * under the terms of the GNU Lesser General Public License as published by 11: * the Free Software Foundation; either version 2.1 of the License, or 12: * (at your option) any later version. 13: * 14: * This library is distributed in the hope that it will be useful, but 15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 17: * License for more details. 18: * 19: * You should have received a copy of the GNU Lesser General Public 20: * License along with this library; if not, write to the Free Software 21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 22: * USA. 23: * 24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 25: * in the United States and other countries.] 26: * 27: * ---------------------------- 28: * ElementDefinitionHandler.java 29: * ---------------------------- 30: * (C)opyright 2003-2005, by Thomas Morgner and Contributors. 31: * 32: * Original Author: Thomas Morgner; 33: * Contributor(s): David Gilbert (for Object Refinery Limited); 34: * 35: * $Id: ElementDefinitionHandler.java,v 1.4 2005/11/14 10:57:22 mungady Exp $ 36: * 37: * Changes 38: * ------- 39: * 21-Feb-2003 : Added standard header and Javadocs (DG); 40: * 29-Apr-2003 : Distilled from the JFreeReport project and moved into JCommon 41: * 42: */ 43: 44: package org.jfree.xml; 45: 46: import org.xml.sax.Attributes; 47: import org.xml.sax.SAXException; 48: 49: /** 50: * A element definition handler. The element definition handler is used to 51: * represent a certain parser state. The current state is set in the parser 52: * using the pushFactory() method. The parser forwards any incoming SAXEvent 53: * to the current handler, until the handler is removed with popFactory(). 54: * 55: * @author Thomas Morgner 56: */ 57: public interface ElementDefinitionHandler { 58: 59: /** 60: * Callback to indicate that an XML element start tag has been read by the parser. 61: * 62: * @param tagName the tag name. 63: * @param attrs the attributes. 64: * 65: * @throws SAXException if a parser error occurs or the validation failed. 66: */ 67: public void startElement(String tagName, Attributes attrs) throws SAXException; 68: 69: /** 70: * Callback to indicate that some character data has been read. 71: * 72: * @param ch the character array. 73: * @param start the start index for the characters. 74: * @param length the length of the character sequence. 75: * @throws SAXException if a parser error occurs or the validation failed. 76: */ 77: public void characters(char[] ch, int start, int length) throws SAXException; 78: 79: /** 80: * Callback to indicate that an XML element end tag has been read by the parser. 81: * 82: * @param tagName the tag name. 83: * 84: * @throws SAXException if a parser error occurs or the validation failed. 85: */ 86: public void endElement(String tagName) throws SAXException; 87: 88: /** 89: * Returns the parser. 90: * 91: * @return The parser. 92: */ 93: public Parser getParser(); 94: 95: }