001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/io/shpapi/IndexRecord.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003    
004     This file is part of deegree.
005     Copyright (C) 2001-2008 by:
006     EXSE, Department of Geography, University of Bonn
007     http://www.giub.uni-bonn.de/deegree/
008     lat/lon GmbH
009     http://www.lat-lon.de
010    
011     This library is free software; you can redistribute it and/or
012     modify it under the terms of the GNU Lesser General Public
013     License as published by the Free Software Foundation; either
014     version 2.1 of the License, or (at your option) any later version.
015    
016     This library is distributed in the hope that it will be useful,
017     but WITHOUT ANY WARRANTY; without even the implied warranty of
018     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
019     Lesser General Public License for more details.
020    
021     You should have received a copy of the GNU Lesser General Public
022     License along with this library; if not, write to the Free Software
023     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
024    
025     Contact:
026    
027     Andreas Poth
028     lat/lon GmbH
029     Aennchenstr. 19
030     53115 Bonn
031     Germany
032     E-Mail: poth@lat-lon.de
033    
034     Prof. Dr. Klaus Greve
035     Department of Geography
036     University of Bonn
037     Meckenheimer Allee 166
038     53115 Bonn
039     Germany
040     E-Mail: greve@giub.uni-bonn.de
041    
042     
043     ---------------------------------------------------------------------------*/
044    
045    package org.deegree.io.shpapi;
046    
047    import org.deegree.model.spatialschema.ByteUtils;
048    
049    /**
050     * Class representing a record of an ESRI .shx file.
051     * 
052     * 
053     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
054     * @author last edited by: $Author: apoth $
055     * 
056     * @version. $Revision: 9342 $, $Date: 2007-12-27 13:32:57 +0100 (Do, 27 Dez 2007) $
057     */
058    public class IndexRecord {
059    
060        protected int offset;
061    
062        protected int length;
063    
064        /**
065         * 
066         *
067         */
068        public IndexRecord() {
069            this.offset = 0;
070            this.length = 0;
071        }
072    
073        /**
074         * 
075         * @param off
076         * @param len
077         */
078        public IndexRecord(int off, int len) {
079            this.offset = off;
080            this.length = len;
081        }
082    
083        /**
084         * 
085         * @param recBuf
086         */
087        public IndexRecord(byte[] recBuf) {
088            this.offset = ByteUtils.readBEInt(recBuf, 0);
089            this.length = ByteUtils.readBEInt(recBuf, 4);
090        }
091    
092        /**
093         * 
094         * @return index record length
095         */
096        public int getLength() {
097            return length;
098        }
099    
100        /**
101         * 
102         * @return index record offset
103         */
104        public int getOffset() {
105            return offset;
106        }
107    
108        /**
109         * 
110         * @return index record as byte arry
111         */
112        public byte[] writeIndexRecord() {
113            byte[] arr = new byte[8];
114            ByteUtils.writeBEInt(arr, 0, offset);
115            ByteUtils.writeBEInt(arr, 4, length);
116            return arr;
117        }
118    
119    }