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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;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Writer;
import java.util.Iterator;
import java.util.Map;
import java.util.SortedMap;
/**
* Class representing an /EmbeddedFiles dictionary object (name tree).
*/
public class PDFEmbeddedFiles extends PDFNameTreeNode {
/**
* Create a /EmbeddedFiles dictionary.
*/
public PDFEmbeddedFiles() {
super();
}
/** {@inheritDoc} */
protected void writeDictionary(OutputStream out, Writer writer) throws IOException {
sortNames(); //Sort the names before writing them out
super.writeDictionary(out, writer);
}
private void sortNames() {
PDFArray names = getNames();
SortedMap map = new java.util.TreeMap();
int i = 0;
int c = names.length();
while (i < c) {
Comparable key = (Comparable)names.get(i++); //Key must be a Comparable for sorting
Object value = names.get(i++);
map.put(key, value);
}
names.clear();
Iterator iter = map.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry entry = (Map.Entry)iter.next();
names.add(entry.getKey());
names.add(entry.getValue());
}
}
}
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