| /* |
| * 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; |
| |
| 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 map = new java.util.TreeMap(); |
| |
| /** |
| * 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(new Integer(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(new Integer(key)); |
| } |
| |
| /** {@inheritDoc} */ |
| protected int output(OutputStream stream) throws IOException { |
| CountingOutputStream cout = new CountingOutputStream(stream); |
| Writer writer = PDFDocument.getWriterFor(cout); |
| if (hasObjectNumber()) { |
| writer.write(getObjectID()); |
| } |
| |
| writer.write('['); |
| boolean first = true; |
| Iterator iter = this.map.entrySet().iterator(); |
| while (iter.hasNext()) { |
| Map.Entry entry = (Map.Entry)iter.next(); |
| if (!first) { |
| writer.write(" "); |
| } |
| first = false; |
| formatObject(entry.getKey(), cout, writer); |
| writer.write(" "); |
| formatObject(entry.getValue(), cout, writer); |
| } |
| writer.write(']'); |
| |
| if (hasObjectNumber()) { |
| writer.write("\nendobj\n"); |
| } |
| |
| writer.flush(); |
| return cout.getCount(); |
| } |
| |
| } |