org.apache.fop.render.pdf.extensions.PDFReferenceElement Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.render.pdf.extensions;
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;
// CSOFF: LineLengthCheck
/**
* Extension element for pdf:reference.
*/
public class PDFReferenceElement extends PDFCollectionEntryElement {
public static final String ATT_REFID = PDFReferenceExtension.PROPERTY_REFID;
/**
* Main constructor
* @param parent parent FO node
*/
PDFReferenceElement(FONode parent) {
super(parent, PDFObjectType.Reference);
}
@Override
public void processNode(String elementName, Locator locator, Attributes attlist, PropertyList propertyList) throws FOPException {
super.processNode(elementName, locator, attlist, propertyList);
String refid = attlist.getValue(ATT_REFID);
if (refid == null) {
missingPropertyError(ATT_REFID);
} else if (refid.length() == 0) {
invalidPropertyValueError(ATT_REFID, refid, null);
} else {
PDFCollectionEntryExtension extension = getExtension();
assert (extension instanceof PDFReferenceExtension);
((PDFReferenceExtension) extension).setReferenceId(refid);
}
}
}