Application: gvSIG desktop

package org.gvsig.expressionevaluator.impl.javascripting;

import javax.script.Bindings;

import javax.script.CompiledScript;

import javax.script.ScriptContext;

import javax.script.ScriptEngine;

import javax.script.ScriptException;

import org.gvsig.expressionevaluator.Code;

import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator;

import org.gvsig.expressionevaluator.ExpressionEvaluatorManager;

import org.gvsig.expressionevaluator.SymbolTable;

/**

 *

 * @author jjdelcerro

 */

public class CosaCompiledScript extends CompiledScript {

    private final CosaScriptEngine engine;

    private final Code code;

    public CosaCompiledScript(CosaScriptEngine engine, Code code) {

        this.engine = engine;

        this.code = code;

    }

    @Override

    public Object eval(ScriptContext context) throws ScriptException {

        ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager();

        Bindings bindings = context.getBindings(ScriptContext.ENGINE_SCOPE); 

        SymbolTable symbolTable;

        if( bindings instanceof SymbolTableToBindingsAdapter ) {

            symbolTable = ((SymbolTableToBindingsAdapter)bindings).getSymbolTable();

        } else {

            symbolTable = new BindingsToSymbolTableAdapter(bindings);

        }

        Object x = manager.evaluate(symbolTable, this.code);

        return x;

    }

    @Override

    public ScriptEngine getEngine() {

        return this.engine;

    }

}