/* * $Id: StructureHandler.java,v 1.7 2003/02/27 10:13:07 jeremias Exp $ * ============================================================================ * The Apache Software License, Version 1.1 * ============================================================================ * * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved. * * Redistribution and use in source and binary forms, with or without modifica- * tion, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. The end-user documentation included with the redistribution, if any, must * include the following acknowledgment: "This product includes software * developed by the Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software itself, if * and wherever such third-party acknowledgments normally appear. * * 4. The names "FOP" and "Apache Software Foundation" must not be used to * endorse or promote products derived from this software without prior * written permission. For written permission, please contact * apache@apache.org. * * 5. Products derived from this software may not be called "Apache", nor may * "Apache" appear in their name, without prior written permission of the * Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU- * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ============================================================================ * * This software consists of voluntary contributions made by many individuals * on behalf of the Apache Software Foundation and was originally created by * James Tauber . For more information on the Apache * Software Foundation, please see . */ package org.apache.fop.apps; // Java import java.util.Set; import java.util.HashSet; // Avalon import org.apache.avalon.framework.logger.AbstractLogEnabled; // FOP import org.apache.fop.fo.Title; import org.apache.fop.fo.flow.Block; import org.apache.fop.fo.flow.ExternalGraphic; import org.apache.fop.fo.flow.Flow; import org.apache.fop.fo.flow.InstreamForeignObject; import org.apache.fop.fo.flow.Leader; import org.apache.fop.fo.flow.ListBlock; import org.apache.fop.fo.flow.ListItem; import org.apache.fop.fo.flow.Table; import org.apache.fop.fo.flow.TableBody; import org.apache.fop.fo.flow.TableCell; import org.apache.fop.fo.flow.TableRow; import org.apache.fop.fo.pagination.LayoutMasterSet; import org.apache.fop.fo.pagination.PageSequence; import org.apache.fop.layout.FontInfo; import org.xml.sax.SAXException; /** * This class receives structure events from the FO Tree. * Sub-classes can then implement various methods to handle * the FO Tree when the SAX events occur. */ public class StructureHandler extends AbstractLogEnabled { /** * The current set of id's in the FO tree. * This is used so we know if the FO tree contains duplicates. */ private Set idReferences = new HashSet(); /** * Main constructor */ public StructureHandler() { } /** * Retuns the set of ID references. * @return the ID references */ public Set getIDReferences() { return idReferences; } /** * Returns the FontInfo object associated with this StructureHandler. * @return the FontInof object */ public FontInfo getFontInfo() { return null; } /** * This method is called to indicate the start of a new document run. * @throws SAXException In case of a problem */ public void startDocument() throws SAXException { } /** * This method is called to indicate the end of a document run. * @throws SAXException In case of a problem */ public void endDocument() throws SAXException { } public void startPageSequence(PageSequence pageSeq, Title seqTitle, LayoutMasterSet lms) { } public void endPageSequence(PageSequence pageSeq) throws FOPException { } public void startFlow(Flow fl) { } public void endFlow(Flow fl) { } public void startBlock(Block bl) { } public void endBlock(Block bl) { } // Tables public void startTable(Table tbl) { } public void endTable(Table tbl) { } public void startHeader(TableBody th) { } public void endHeader(TableBody th) { } public void startFooter(TableBody tf) { } public void endFooter(TableBody tf) { } public void startBody(TableBody tb) { } public void endBody(TableBody tb) { } public void startRow(TableRow tr) { } public void endRow(TableRow tr) { } public void startCell(TableCell tc) { } public void endCell(TableCell tc) { } // Lists public void startList(ListBlock lb) { } public void endList(ListBlock lb) { } public void startListItem(ListItem li) { } public void endListItem(ListItem li) { } public void startListLabel() { } public void endListLabel() { } public void startListBody() { } public void endListBody() { } // Static Regions public void startStatic() { } public void endStatic() { } public void startMarkup() { } public void endMarkup() { } public void startLink() { } public void endLink() { } public void image(ExternalGraphic eg) { } public void pageRef() { } public void foreignObject(InstreamForeignObject ifo) { } public void footnote() { } public void leader(Leader l) { } public void characters(char data[], int start, int length) { } public void pageBreak() { } }