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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.util.Map;
import java.util.SortedMap;
import org.apache.commons.io.output.CountingOutputStream;
/**
* Class representing an "Nums" array object (for Number Trees).
*/
public class PDFNumsArray extends PDFObject {
/** Sorted Map holding the values of this array. */
protected SortedMap<Integer, Object> map = new java.util.TreeMap<Integer, Object>();
/**
* Create a new, empty array object.
* @param parent the object's parent if any
*/
public PDFNumsArray(PDFObject parent) {
super(parent);
}
/**
* Returns the length of the array
* @return the length of the array
*/
public int length() {
return this.map.size();
}
/**
* Sets an entry.
* @param key the key of the value to set
* @param obj the new value
*/
public void put(Integer key, Object obj) {
this.map.put(key, obj);
}
/**
* Sets an entry.
* @param key the key of the value to set
* @param obj the new value
*/
public void put(int key, Object obj) {
put(Integer.valueOf(key), obj);
}
/**
* Gets an entry.
* @param key the key of requested value
* @return the requested value
*/
public Object get(Integer key) {
return this.map.get(key);
}
/**
* Gets an entry.
* @param key the key of requested value
* @return the requested value
*/
public Object get(int key) {
return get(Integer.valueOf(key));
}
/** {@inheritDoc} */
@Override
public int output(OutputStream stream) throws IOException {
CountingOutputStream cout = new CountingOutputStream(stream);
StringBuilder textBuffer = new StringBuilder(64);
textBuffer.append('[');
boolean first = true;
for (Map.Entry<Integer, Object> entry : this.map.entrySet()) {
if (!first) {
textBuffer.append(" ");
}
first = false;
formatObject(entry.getKey(), cout, textBuffer);
textBuffer.append(" ");
formatObject(entry.getValue(), cout, textBuffer);
}
textBuffer.append(']');
PDFDocument.flushTextBuffer(textBuffer, cout);
return cout.getCount();
}
}
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