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/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.fo.extensions;
import java.util.ArrayList;
import org.xml.sax.Attributes;
import org.xml.sax.Locator;
import org.apache.fop.apps.FOPException;
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.PropertyList;
/**
* 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 attributes on the outline object are the internal and external
* destination. One of these is required.
*
* @see org.apache.fop.fo.FObj#processNode
*/
public void processNode(String elementName, Locator locator,
Attributes attlist, PropertyList propertyList) 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.");
}
}
/**
* @see org.apache.fop.fo.FONode#addChildNode(FONode)
*/
protected void addChildNode(FONode obj) {
if (obj instanceof Label) {
label = (Label)obj;
} else if (obj instanceof Outline) {
outlines.add(obj);
}
}
/**
* 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();
}
public String getInternalDestination() {
return internalDestination;
}
public String getExternalDestination() {
return externalDestination;
}
public ArrayList getOutlines() {
return outlines;
}
public String getName() {
return "(http://xml.apache.org/fop/extensions) outline";
}
}
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