001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_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 }