001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/model/filterencoding/ComparisonOperation.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 package org.deegree.model.filterencoding;
037
038 import org.w3c.dom.Element;
039
040 /**
041 * Encapsulates the information of a comparison_ops entity (as defined in the Filter DTD).
042 *
043 * @author <a href="mailto:schneider@lat-lon.de">Markus Schneider</a>
044 * @author last edited by: $Author: mschneider $
045 *
046 * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
047 */
048 public abstract class ComparisonOperation extends AbstractOperation {
049
050 ComparisonOperation( int operationId ) {
051 super( operationId );
052 }
053
054 /**
055 * Given a DOM-fragment, a corresponding Operation-object is built. This method recursively
056 * calls other buildFromDOM () - methods to validate the structure of the DOM-fragment.
057 *
058 * @throws FilterConstructionException
059 * if the structure of the DOM-fragment is invalid
060 * @deprecated use the 1.0.0 filter encoding aware method instead.
061 */
062 @Deprecated
063 public static Operation buildFromDOM( Element element )
064 throws FilterConstructionException {
065 return buildFromDOM( element, false );
066 }
067
068 /**
069 * Given a DOM-fragment, a corresponding Operation-object is built. This method recursively
070 * calls other buildFromDOM () - methods to validate the structure of the DOM-fragment.
071 *
072 * @throws FilterConstructionException
073 * if the structure of the DOM-fragment is invalid
074 */
075 public static Operation buildFromDOM( Element element, boolean useVersion_1_0_0 )
076 throws FilterConstructionException {
077
078 // check if root element's name is a known operator
079 String name = element.getLocalName();
080 int operatorId = OperationDefines.getIdByName( name );
081 ComparisonOperation operation = null;
082
083 switch ( operatorId ) {
084 case OperationDefines.PROPERTYISEQUALTO:
085 case OperationDefines.PROPERTYISNOTEQUALTO:
086 case OperationDefines.PROPERTYISLESSTHAN:
087 case OperationDefines.PROPERTYISGREATERTHAN:
088 case OperationDefines.PROPERTYISLESSTHANOREQUALTO:
089 case OperationDefines.PROPERTYISGREATERTHANOREQUALTO: {
090 operation = (ComparisonOperation) PropertyIsCOMPOperation.buildFromDOM( element );
091 break;
092 }
093 case OperationDefines.PROPERTYISLIKE: {
094 operation = (ComparisonOperation) PropertyIsLikeOperation.buildFromDOM( element );
095 break;
096 }
097 case OperationDefines.PROPERTYISNULL: {
098 operation = (ComparisonOperation) PropertyIsNullOperation.buildFromDOM( element, useVersion_1_0_0 );
099 break;
100 }
101 case OperationDefines.PROPERTYISBETWEEN: {
102 operation = (ComparisonOperation) PropertyIsBetweenOperation.buildFromDOM( element );
103 break;
104 }
105 case OperationDefines.PROPERTYISINSTANCEOF: {
106 operation = (ComparisonOperation) PropertyIsInstanceOfOperation.buildFromDOM( element );
107 break;
108 }
109 default: {
110 throw new FilterConstructionException( "'" + name + "' is not a comparison operator!" );
111 }
112 }
113 return operation;
114 }
115 }