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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.Collection;
import java.util.List;
/**
* Class representing an array object.
*/
public class PDFArray extends PDFObject {
/**
* List holding the values of this array
*/
protected List values = new java.util.ArrayList();
/**
* Create a new, empty array object
*/
public PDFArray() {
/* generic creation of PDF object */
super();
}
/**
* Create the array object
*
* @param values the actual array wrapped by this object
*/
public PDFArray(int[] values) {
/* generic creation of PDF object */
super();
for (int i = 0, c = values.length; i < c; i++) {
this.values.add(new Integer(values[i]));
}
}
/**
* Create the array object
*
* @param values the actual values wrapped by this object
*/
public PDFArray(Collection values) {
/* generic creation of PDF object */
super();
this.values.addAll(values);
}
/**
* Create the array object
*
* @param values the actual array wrapped by this object
*/
public PDFArray(Object[] values) {
/* generic creation of PDF object */
super();
for (int i = 0, c = values.length; i < c; i++) {
this.values.add(values[i]);
}
}
/**
* Returns the length of the array
* @return the length of the array
*/
public int length() {
return this.values.size();
}
/**
* Sets an entry at a given location.
* @param index the index of the value to set
* @param obj the new value
*/
public void set(int index, Object obj) {
this.values.set(index, obj);
}
/**
* Sets an entry at a given location.
* @param index the index of the value to set
* @param value the new value
*/
public void set(int index, double value) {
this.values.set(index, new Double(value));
}
/**
* Gets an entry at a given location.
* @param index the index of the value to set
* @return the requested value
*/
public Object get(int index) {
return this.values.get(index);
}
/**
* Adds a new value to the array.
* @param obj the value
*/
public void add(Object obj) {
this.values.add(obj);
}
/**
* Adds a new value to the array.
* @param value the value
*/
public void add(double value) {
this.values.add(new Double(value));
}
/**
* {@inheritDoc}
*/
public String toPDFString() {
StringBuffer p = new StringBuffer(64);
if (hasObjectNumber()) {
p.append(getObjectID());
}
p.append("[");
for (int i = 0; i < values.size(); i++) {
if (i > 0) {
p.append(" ");
}
Object obj = this.values.get(i);
formatObject(obj, p);
}
p.append("]");
if (hasObjectNumber()) {
p.append("\nendobj\n");
}
return p.toString();
}
}
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