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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.util.Iterator;
import java.util.List;
import java.util.Map;
/**
* Class representing a PDF dictionary object
*/
public class PDFDictionary extends PDFObject {
/**
* the entry map
*/
protected Map entries = new java.util.HashMap();
/**
* maintains the order of the entries added to the entry map. Whenever you modify
* "entries", always make sure you adjust this list accordingly.
*/
protected List order = new java.util.ArrayList();
/**
* Create the dictionary object
*/
public PDFDictionary() {
/* generic creation of PDF object */
super();
}
/**
* Puts a new name/value pair.
* @param name the name
* @param value the value
*/
public void put(String name, Object value) {
if (!entries.containsKey(name)) {
this.order.add(name);
}
this.entries.put(name, value);
}
/**
* Returns the value given a name.
* @param name the name of the value
* @return the value or null, if there's no value with the given name.
*/
public Object get(String name) {
return this.entries.get(name);
}
/**
* @see org.apache.fop.pdf.PDFObject#toPDFString()
*/
public String toPDFString() {
StringBuffer p = new StringBuffer(64);
if (hasObjectNumber()) {
p.append(getObjectID());
}
p.append("<<");
Iterator iter = this.order.iterator();
while (iter.hasNext()) {
String key = (String)iter.next();
p.append("\n /");
p.append(key);
p.append(" ");
Object obj = this.entries.get(key);
formatObject(obj, p);
}
p.append("\n>>\n");
if (hasObjectNumber()) {
p.append("endobj\n");
}
return p.toString();
}
}
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