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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 number tree node.
*/
public class PDFNumberTreeNode extends PDFDictionary {
private static final String KIDS = "Kids";
private static final String NUMS = "Nums";
private static final String LIMITS = "Limits";
/**
* create a named destination
*/
public PDFNumberTreeNode() {
/* generic creation of PDF object */
super();
}
/**
* Sets the Kids array.
* @param kids the Kids array
*/
public void setKids(PDFArray kids) {
put(KIDS, kids);
}
/**
* Returns the Kids array.
* @return the Kids array
*/
public PDFArray getKids() {
return (PDFArray)get(KIDS);
}
/**
* Sets the Nums array.
* @param nums the Nums array
*/
public void setNums(PDFNumsArray nums) {
put(NUMS, nums);
}
/**
* Returns the Nums array.
* @return the Nums array
*/
public PDFNumsArray getNums() {
return (PDFNumsArray)get(NUMS);
}
/**
* Sets the lower limit value of the Limits array.
* @param key the lower limit value
*/
public void setLowerLimit(Integer key) {
PDFArray limits = prepareLimitsArray();
limits.set(0, key);
}
/**
* Returns the lower limit value of the Limits array.
* @return the lower limit value
*/
public Integer getLowerLimit() {
PDFArray limits = prepareLimitsArray();
return (Integer)limits.get(0);
}
/**
* Sets the upper limit value of the Limits array.
* @param key the upper limit value
*/
public void setUpperLimit(Integer key) {
PDFArray limits = prepareLimitsArray();
limits.set(1, key);
}
/**
* Returns the upper limit value of the Limits array.
* @return the upper limit value
*/
public Integer getUpperLimit() {
PDFArray limits = prepareLimitsArray();
return (Integer)limits.get(1);
}
private PDFArray prepareLimitsArray() {
PDFArray limits = (PDFArray)get(LIMITS);
if (limits == null) {
limits = new PDFArray(this, new Object[2]);
put(LIMITS, limits);
}
if (limits.length() != 2) {
throw new IllegalStateException("Limits array must have 2 entries");
}
return limits;
}
}
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