org.apache.fop.render.pdf.extensions.PDFArrayElement Maven / Gradle / Ivy

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/*
 * 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:array.
 */
public class PDFArrayElement extends PDFCollectionEntryElement {

    private PDFArrayExtension extension;

    /**
     * Main constructor
     * @param parent parent FO node
     */
    PDFArrayElement(FONode parent) {
        super(parent, PDFObjectType.Array, new PDFArrayExtension());
    }

    public PDFArrayExtension getArrayExtension() {
        PDFCollectionEntryExtension extension = getExtension();
        assert (extension instanceof PDFArrayExtension);
        return (PDFArrayExtension) extension;
    }

    @Override
    public void processNode(String elementName, Locator locator, Attributes attlist, PropertyList propertyList) throws FOPException {
        super.processNode(elementName, locator, attlist, propertyList);
    }

    @Override
    public void startOfNode() throws FOPException {
        super.startOfNode();
    }

    @Override
    protected void addChildNode(FONode child) throws FOPException {
        PDFArrayExtension extension = getArrayExtension();
        if (child instanceof PDFCollectionEntryElement) {
            PDFCollectionEntryExtension entry = ((PDFCollectionEntryElement) child).getExtension();
            if (entry.getKey() == null) {
                extension.addEntry(entry);
            }
        }
    }

    @Override
    public void endOfNode() throws FOPException {
        super.endOfNode();
    }

    @Override
    public String getLocalName() {
        return PDFObjectType.Array.elementName();
    }

}