001: //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/trunk/src/org/deegree/model/filterencoding/ComparisonOperation.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: package org.deegree.model.filterencoding;
045:
046: import org.w3c.dom.Element;
047:
048: /**
049: * Encapsulates the information of a comparison_ops entity (as defined in the Filter DTD).
050: *
051: * @author <a href="mailto:schneider@lat-lon.de">Markus Schneider</a>
052: * @author last edited by: $Author: apoth $
053: *
054: * @version $Revision: 9343 $, $Date: 2007-12-27 05:30:32 -0800 (Thu, 27 Dec 2007) $
055: */
056: public abstract class ComparisonOperation extends AbstractOperation {
057:
058: ComparisonOperation(int operationId) {
059: super (operationId);
060: }
061:
062: /**
063: * Given a DOM-fragment, a corresponding Operation-object is built. This method recursively
064: * calls other buildFromDOM () - methods to validate the structure of the DOM-fragment.
065: *
066: * @throws FilterConstructionException
067: * if the structure of the DOM-fragment is invalid
068: * @deprecated use the 1.0.0 filter encoding aware method instead.
069: */
070: @Deprecated
071: public static Operation buildFromDOM(Element element)
072: throws FilterConstructionException {
073: return buildFromDOM(element, false);
074: }
075:
076: /**
077: * Given a DOM-fragment, a corresponding Operation-object is built. This method recursively
078: * calls other buildFromDOM () - methods to validate the structure of the DOM-fragment.
079: *
080: * @throws FilterConstructionException
081: * if the structure of the DOM-fragment is invalid
082: */
083: public static Operation buildFromDOM(Element element,
084: boolean useVersion_1_0_0)
085: throws FilterConstructionException {
086:
087: // check if root element's name is a known operator
088: String name = element.getLocalName();
089: int operatorId = OperationDefines.getIdByName(name);
090: ComparisonOperation operation = null;
091:
092: switch (operatorId) {
093: case OperationDefines.PROPERTYISEQUALTO:
094: case OperationDefines.PROPERTYISLESSTHAN:
095: case OperationDefines.PROPERTYISGREATERTHAN:
096: case OperationDefines.PROPERTYISLESSTHANOREQUALTO:
097: case OperationDefines.PROPERTYISGREATERTHANOREQUALTO: {
098: operation = (ComparisonOperation) PropertyIsCOMPOperation
099: .buildFromDOM(element);
100: break;
101: }
102: case OperationDefines.PROPERTYISLIKE: {
103: operation = (ComparisonOperation) PropertyIsLikeOperation
104: .buildFromDOM(element);
105: break;
106: }
107: case OperationDefines.PROPERTYISNULL: {
108: operation = (ComparisonOperation) PropertyIsNullOperation
109: .buildFromDOM(element, useVersion_1_0_0);
110: break;
111: }
112: case OperationDefines.PROPERTYISBETWEEN: {
113: operation = (ComparisonOperation) PropertyIsBetweenOperation
114: .buildFromDOM(element);
115: break;
116: }
117: case OperationDefines.PROPERTYISINSTANCEOF: {
118: operation = (ComparisonOperation) PropertyIsInstanceOfOperation
119: .buildFromDOM(element);
120: break;
121: }
122: default: {
123: throw new FilterConstructionException("'" + name
124: + "' is not a comparison operator!");
125: }
126: }
127: return operation;
128: }
129: }
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