Application: gvSIG desktop

/* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib��ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package org.gvsig.sldsupport.filterencoding.operations;

import java.util.ArrayList;

import java.util.Hashtable;

/**

 *

 * Implements the funcionality of the ReplaceOperator operator which

 * takes an string with a field name and returns its value contained in

 * a HashTable

 *

 * @author Pepe Vidal Salvador - jose.vidal.salvador@iver.es

 *

 */

public class ReplaceOperator extends Operator {

        private String id;

        public String getName() {

                return OperationTags.REPLACE_OP;

        }

        public ReplaceOperator(Hashtable<String, Object> symbol_table) {

                super(symbol_table);

        }

        public void addArgument(String image) {

                id = image;

        }

        public void addArgument(int i, Expression arg) {

                // TODO Auto-generated method stub

        }

        public Object evaluate() throws ExpressionException {

                Object v = symbol_table.get(id);

                if (v == null && id.length() > 0) {

                        return new String("["+id.toString()+"]");

                } else {

                        return v;

                }

                /*

                if (v != null) {

                        if (v.getClass().equals(Integer.class)) {

                                Integer val = Integer.valueOf(v.toString());

                                return (val);

                        }

                        if (v.getClass().equals(Long.class) ||

                                        v.getClass().equals(Byte.class) ||

                                        v.getClass().equals(Short.class) ||

                                        v.getClass().equals(Float.class) ||

                                        v.getClass().equals(Double.class)) {

                                Double val =  Double.valueOf(v.toString());

                                return (val);

                        }

                        else if (v.getClass().equals(BooleanValue.class) ||

                                        v.getClass().equals(BinaryValue.class)) {

                                return (new Boolean(v.toString()));

                        }

                        else if (v.getClass().equals(StringValue.class)) {

                                return (new String(v.toString()));

                        }

                        else if (v.getClass().equals(NullValue.class)) {

                                return (null);

                        }

                }

                else if(v == null && id.length() > 0)

                        return (new String("["+id.toString()+"]"));

                throw new ExpressionException(ExpressionException.NO_CLASSIF_NAME);

                */

        }

        public ArrayList<Expression> getArguments() {

                // TODO Auto-generated method stub

                return null;

        }

        public String getPattern() {

                return null;

        }

        public void setArguments(ArrayList<Expression> arguments) {

                // TODO Auto-generated method stub

        }

        public void check() throws ExpressionException {

                return;

        }

        public String getValue() {

                return id;

        }

}