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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.pdf;

/**
 * Class representing a PDF /PageLabels dictionary.
 */
public class PDFPageLabels extends PDFNumberTreeNode {
    
    /**
     * Create the /PageLabels dictionary
     */
    public PDFPageLabels() {
        super();
    }

    /**
     * Returns the Nums object
     * @return the Nums object (an empty PDFNumsArray for the "/Nums" entry is created
     *       if it doesn't exist)
     */
    public PDFNumsArray getNums() {
        PDFNumsArray nums = super.getNums();
        if (nums == null) {
            nums = new PDFNumsArray(this);
            setNums(nums);
        }
        return nums;
    }
    
}