001    //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/io/shpapi/IndexRecord.java $
002    /*----------------------------------------------------------------------------
003     This file is part of deegree, http://deegree.org/
004     Copyright (C) 2001-2009 by:
005       Department of Geography, University of Bonn
006     and
007       lat/lon GmbH
008    
009     This library is free software; you can redistribute it and/or modify it under
010     the terms of the GNU Lesser General Public License as published by the Free
011     Software Foundation; either version 2.1 of the License, or (at your option)
012     any later version.
013     This library is distributed in the hope that it will be useful, but WITHOUT
014     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015     FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016     details.
017     You should have received a copy of the GNU Lesser General Public License
018     along with this library; if not, write to the Free Software Foundation, Inc.,
019     59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020    
021     Contact information:
022    
023     lat/lon GmbH
024     Aennchenstr. 19, 53177 Bonn
025     Germany
026     http://lat-lon.de/
027    
028     Department of Geography, University of Bonn
029     Prof. Dr. Klaus Greve
030     Postfach 1147, 53001 Bonn
031     Germany
032     http://www.geographie.uni-bonn.de/deegree/
033    
034     e-mail: info@deegree.org
035    ----------------------------------------------------------------------------*/
036    
037    package org.deegree.io.shpapi;
038    
039    import org.deegree.model.spatialschema.ByteUtils;
040    
041    /**
042     * Class representing a record of an ESRI .shx file.
043     *
044     *
045     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
046     * @author last edited by: $Author: mschneider $
047     *
048     * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
049     */
050    public class IndexRecord {
051    
052        protected int offset;
053    
054        protected int length;
055    
056        /**
057         *
058         *
059         */
060        public IndexRecord() {
061            this.offset = 0;
062            this.length = 0;
063        }
064    
065        /**
066         *
067         * @param off
068         * @param len
069         */
070        public IndexRecord( int off, int len ) {
071            this.offset = off;
072            this.length = len;
073        }
074    
075        /**
076         *
077         * @param recBuf
078         */
079        public IndexRecord( byte[] recBuf ) {
080            this.offset = ByteUtils.readBEInt( recBuf, 0 );
081            this.length = ByteUtils.readBEInt( recBuf, 4 );
082        }
083    
084        /**
085         *
086         * @return index record length
087         */
088        public int getLength() {
089            return length;
090        }
091    
092        /**
093         *
094         * @return index record offset
095         */
096        public int getOffset() {
097            return offset;
098        }
099    
100        /**
101         *
102         * @return index record as byte arry
103         */
104        public byte[] writeIndexRecord() {
105            byte[] arr = new byte[8];
106            ByteUtils.writeBEInt( arr, 0, offset );
107            ByteUtils.writeBEInt( arr, 4, length );
108            return arr;
109        }
110    
111    }