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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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