fop/fop-core/src/main/java/org/apache/fop/pdf/PDFDPart.java

/*
 * 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.ArrayList;
import java.util.List;

public class PDFDPart extends PDFDictionary {
    private List<PDFPage> pages = new ArrayList<PDFPage>();
    private PDFDictionary parent;
    public PDFDPart(PDFDictionary parent) {
        this.parent = parent;
        put("Type", new PDFName("DPart"));
    }

    public void addPage(PDFPage p) {
        pages.add(p);
    }

    @Override
    public int output(OutputStream stream) throws IOException {
        put("Parent", parent.makeReference());
        if (!pages.isEmpty()) {
            put("Start", pages.get(0).makeReference());
            put("End", pages.get(pages.size() - 1).makeReference());
        }
        return super.output(stream);
    }
}