| gvSIG desktop 1

package org.gvsig.expressionfield.project.documents.table.operators;

import org.apache.bsf.BSFException;

import org.apache.bsf.BSFManager;

import org.gvsig.andami.PluginServices;

import org.gvsig.expressionfield.ExpressionFieldExtension;

import org.gvsig.expressionfield.project.documents.table.AbstractOperator;

import org.gvsig.expressionfield.project.documents.table.IOperator;

/**

 * @author Vicente Caballero Navarro

 */

public class ToNumber extends AbstractOperator{

        public String addText(String s) {

                return toString()+"("+s+")";

        }

        public String toString() {

                return "toNumber";

        }

        public void eval(BSFManager interpreter) throws BSFException {

//                interpreter.eval(ExpressionFieldExtension.BEANSHELL,null,-1,-1,"double toNumber(String value){return java.lang.Double.parseDouble(value);};");

                interpreter.exec(ExpressionFieldExtension.JYTHON,null,-1,-1,"def toNumber(value):\n" +

                                "  import java.lang.Double\n" +

                                "  return java.lang.Double.parseDouble(value)");

        }

        public boolean isEnable() {

                return (getType()==IOperator.NUMBER );

        }

        public String getDescription() {

            return PluginServices.getText(this, "parameter") + ": " +

            PluginServices.getText(this, "string_value") + "\n" +

            PluginServices.getText(this, "returns") + ": " +

            PluginServices.getText(this, "double_value") + "\n" +

            PluginServices.getText(this, "description") + ": " +

            "Returns a new number initialized to the value represented by the specified String";

        }

}