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- /*
- * $Id: Outline.java,v 1.10 2003/03/05 20:40:18 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 <jtauber@jtauber.com>. For more information on the Apache
- * Software Foundation, please see <http://www.apache.org/>.
- */
- package org.apache.fop.extensions;
-
- import org.apache.fop.fo.FONode;
- import org.apache.fop.apps.FOPException;
-
- import java.util.ArrayList;
-
- import org.xml.sax.Attributes;
-
- /**
- * The outline object for the pdf bookmark extension.
- * The outline element contains a label and optionally more outlines.
- */
- public class Outline extends ExtensionObj {
- private Label label;
- private ArrayList outlines = new ArrayList();
-
- private String internalDestination;
- private String externalDestination;
-
- /**
- * Create a new outline object.
- *
- * @param parent the parent fo node
- */
- public Outline(FONode parent) {
- super(parent);
- }
-
- /**
- * The attribues on the outline object are the internal and external
- * destination. One of these is required.
- *
- * @param attlist the attribute list
- * @throws FOPException a fop exception if there is an error
- */
- public void handleAttrs(Attributes attlist) throws FOPException {
- internalDestination =
- attlist.getValue("internal-destination");
- externalDestination =
- attlist.getValue("external-destination");
- if (externalDestination != null && !externalDestination.equals("")) {
- getLogger().warn("fox:outline external-destination not supported currently.");
- }
-
- if (internalDestination == null || internalDestination.equals("")) {
- getLogger().warn("fox:outline requires an internal-destination.");
- }
-
- }
-
- /**
- * Add the child to this outline.
- * This checks for the type, label or outline and handles appropriately.
- *
- * @param obj the child object
- */
- protected void addChild(FONode obj) {
- if (obj instanceof Label) {
- label = (Label)obj;
- } else if (obj instanceof Outline) {
- outlines.add(obj);
- }
- }
-
- /**
- * Get the bookmark data for this outline.
- * This creates a bookmark data with the destination
- * and adds all the data from child outlines.
- *
- * @return the new bookmark data
- */
- public BookmarkData getData() {
- BookmarkData data = new BookmarkData(internalDestination);
- data.setLabel(getLabel());
- for (int count = 0; count < outlines.size(); count++) {
- Outline out = (Outline)outlines.get(count);
- data.addSubData(out.getData());
- }
- return data;
- }
-
- /**
- * Get the label string.
- * This gets the label string from the child label element.
- *
- * @return the label string or empty if not found
- */
- public String getLabel() {
- return label == null ? "" : label.toString();
- }
-
- }
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