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svn-gvsig-desktop / branches / v02_desarrollo / libraries / sld / temp / org.gvsig.sldsupport.lib.api / src / main / java / org / gvsig / sldsupport / filterencoding / FilterUtils.java @ 40779

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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.sldsupport.filterencoding;
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/**
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 * 
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 * Useful methods which are used during the parse or the storage of a 
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 * Filter Encoding 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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 */
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public class FilterUtils {
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        public static String getSymbol4Expression(String type) {
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                if (type.compareTo(FilterTags.PROPERTYISEQUALTO)==0)
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                        return "==";
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                else if (type.compareTo(FilterTags.PROPERTYISNOTEQUALTO)==0)
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                        return "!=";
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                else if (type.compareTo(FilterTags.PROPERTYISLESSTHAN)==0)
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                        return "<";
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                else if (type.compareTo(FilterTags.PROPERTYISGREATERTHAN)==0)
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                        return ">";
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                else if (type.compareTo(FilterTags.PROPERTYISLESSOREQUALTHAN)==0)
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                        return "<=";
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                else if (type.compareTo(FilterTags.PROPERTYISGREATEROREQUALTHAN)==0) 
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                        return ">=";
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                else if (type.compareTo(FilterTags.ADD)==0) 
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                        return "+";
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                else if (type.compareTo(FilterTags.DIV)==0) 
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                        return "/";
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                else if (type.compareTo(FilterTags.MULT)==0) 
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                        return "*";
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                else if (type.compareTo(FilterTags.SUB)==0) 
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                        return "-";
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                else if (type.compareTo(FilterTags.AND)==0) 
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                        return "&&";
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                else if (type.compareTo(FilterTags.OR)==0) 
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                        return "||";
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                else if (type.compareTo(FilterTags.NOT)==0) 
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                        return "!";
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                return null;
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        }
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        /**
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         * Removes namespace.
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         * Used with names to get string after ':'
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         * because the namespace 'sld:' is optional
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         * in SLD files.
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         * 
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         */
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        public static String remNameSpace(String literal) {
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                return literal.substring(literal.indexOf(":") + 1,literal.length());
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        }
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}