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veraPDF tools for parsing, modifying and creating PDF documents.

There is a newer version: 1.26.1

/**
 * This file is part of veraPDF Parser, a module of the veraPDF project.
 * Copyright (c) 2015, veraPDF Consortium 
 * All rights reserved.
 *
 * veraPDF Parser is free software: you can redistribute it and/or modify
 * it under the terms of either:
 *
 * The GNU General public license GPLv3+.
 * You should have received a copy of the GNU General Public License
 * along with veraPDF Parser as the LICENSE.GPL file in the root of the source
 * tree.  If not, see http://www.gnu.org/licenses/ or
 * https://www.gnu.org/licenses/gpl-3.0.en.html.
 *
 * The Mozilla Public License MPLv2+.
 * You should have received a copy of the Mozilla Public License along with
 * veraPDF Parser as the LICENSE.MPL file in the root of the source tree.
 * If a copy of the MPL was not distributed with this file, you can obtain one at
 * http://mozilla.org/MPL/2.0/.
 */
package org.verapdf.pd;

import org.verapdf.as.ASAtom;
import org.verapdf.cos.COSObject;

/**
 * @author Maksim Bezrukov
 */
public class PDOutlineDictionary extends PDObject {

	public PDOutlineDictionary(COSObject obj) {
		super(obj);
	}

	public PDOutlineItem getFirst() {
		return getOutlineItem(ASAtom.FIRST);
	}

	public PDOutlineItem getLast() {
		return getOutlineItem(ASAtom.LAST);
	}

	protected PDOutlineItem getOutlineItem(ASAtom key) {
		COSObject first = getKey(key);
		if (first != null && first.getType().isDictionaryBased()) {
			return new PDOutlineItem(first);
		}
		return null;
	}
}