    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_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    }