Application: gvSIG desktop

package com.iver.cit.gvsig.project.documents.table.operators;

import org.apache.bsf.BSFException;

import org.apache.bsf.BSFManager;

import com.iver.andami.PluginServices;

import com.iver.cit.gvsig.ExpresionFieldExtension;

import com.iver.cit.gvsig.project.documents.table.AbstractOperator;

import com.iver.cit.gvsig.project.documents.table.IOperator;

/**

 * @author Vicente Caballero Navarro

 */

public class Length extends AbstractOperator{

        public String addText(String s) {

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

        }

        public String toString() {

                return "length";

        }

        public void eval(BSFManager interpreter) throws BSFException {

//                interpreter.eval(ExpresionFieldExtension.BEANSHELL,null,-1,-1,"int length(String value){return value.length();};");

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

                                "  return len(value)");

        }

        public boolean isEnable() {

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

        }

        public String getDescription() {

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

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

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

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

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

            "Returns the length of string parameter.";

        }

}