root / trunk / extensions / extSymbology / src / org / gvsig / remoteClient / sld / filterEncoding / FLogicOperatorNot.java @ 20768
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/* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib��ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package org.gvsig.remoteClient.sld.filterEncoding; |
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import java.io.IOException; |
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import java.util.HashSet; |
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import java.util.Set; |
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import org.gvsig.remoteClient.gml.schemas.XMLSchemaParser; |
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import org.xmlpull.v1.XmlPullParserException; |
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import com.iver.cit.gvsig.fmap.drivers.legend.LegendDriverException; |
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/**
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* Implements the main functionalities to parse a logical negation
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* operator of a Filter Encoding expression<br>
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*
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* The logical negation operator (NOT) reverses the logical value of an
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* expression
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*
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* @see http://www.opengeospatial.org/standards/filter
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* @author pepe vidal salvador - jose.vidal.salvador@iver.es
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*/
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public class FLogicOperatorNot { |
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FComparisonOperator compOperator = null;
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FLogicOperator logicOperators = null;
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Set <String> fieldNames = new HashSet <String>(); |
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String propertyName;
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int numOperators = 0; |
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String opExpressionStr = ""; |
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public void parse(XMLSchemaParser parser , String tag) throws XmlPullParserException, IOException, LegendDriverException { |
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int currentTag;
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boolean end = false; |
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currentTag = parser.next(); |
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while (!end)
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{ |
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switch(currentTag)
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{ |
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case XMLSchemaParser.START_TAG:
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if (parser.getName().compareTo(FilterUtils.remNameSpace(FilterTags.PROPERTYISEQUALTO))==0 || |
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parser.getName().compareTo(FilterUtils.remNameSpace(FilterTags.PROPERTYISNOTEQUALTO))==0 ||
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parser.getName().compareTo(FilterUtils.remNameSpace(FilterTags.PROPERTYISLESSTHAN))==0 ||
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parser.getName().compareTo(FilterUtils.remNameSpace(FilterTags.PROPERTYISGREATERTHAN))==0 ||
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parser.getName().compareTo(FilterUtils.remNameSpace(FilterTags.PROPERTYISLESSOREQUALTHAN))==0 ||
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parser.getName().compareTo(FilterUtils.remNameSpace(FilterTags.PROPERTYISGREATEROREQUALTHAN))==0) {
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if(parser.getName().compareTo(FilterUtils.remNameSpace(FilterTags.PROPERTYISEQUALTO))!=0 && |
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parser.getName().compareTo(FilterUtils.remNameSpace(FilterTags.PROPERTYISNOTEQUALTO))!=0 ){
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} |
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compOperator = new FComparisonOperator();
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opExpressionStr +="( ";
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compOperator.parse(parser ,parser.getName()); |
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opExpressionStr += compOperator.getOpExpressionStr(); |
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opExpressionStr += ") ";
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fieldNames.addAll(compOperator.getFieldNames()); |
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numOperators++; |
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} |
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else if (parser.getName().compareTo(FilterUtils.remNameSpace(FilterTags.AND))==0 || |
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parser.getName().compareTo(FilterUtils.remNameSpace(FilterTags.OR))==0){
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logicOperators = new FLogicOperator();
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opExpressionStr +="( ";
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logicOperators.parse(parser,parser.getName()); |
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opExpressionStr += logicOperators.getOpExpressionStr(); |
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opExpressionStr +=") ";
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fieldNames.addAll(logicOperators.getFieldNames()); |
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numOperators++; |
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if (logicOperators.getNumOperators() < 2) |
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throw new LegendDriverException(LegendDriverException.PARSE_LEGEND_FILE_ERROR); |
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} |
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else if (parser.getName().compareTo(FilterUtils.remNameSpace(FilterTags.NOT))==0) { |
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FLogicOperatorNot notlogicOperators = new FLogicOperatorNot();
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opExpressionStr +="( "+"Not "; |
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notlogicOperators.parse(parser,parser.getName()); |
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opExpressionStr += notlogicOperators.getOpExpressionStr(); |
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opExpressionStr +=") ";
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fieldNames.addAll(notlogicOperators.getFieldNames()); |
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numOperators++; |
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} |
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break;
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case XMLSchemaParser.END_TAG:
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if (parser.getName().compareTo(FilterUtils.remNameSpace(FilterTags.NOT)) == 0) |
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end = true;
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break;
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case XMLSchemaParser.TEXT:
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break;
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} |
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if (!end)
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currentTag = parser.next(); |
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} |
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parser.require(XMLSchemaParser.END_TAG, null, FilterTags.NOT);
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} |
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public int getNumOperators() { return numOperators; } |
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public Set<String> getFieldNames() { return fieldNames; } |
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public String getOpExpressionStr() {return opExpressionStr;} |
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} |
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