/*******************************************************************************
* This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* Peter Smith
*******************************************************************************/
package org.boris.xlloop.script;
import java.io.IOException;
import java.io.Reader;
import org.boris.xlloop.IFunction;
import org.boris.xlloop.IFunctionContext;
import org.boris.xlloop.RequestException;
import org.boris.xlloop.util.XLoperObjectConverter;
import org.boris.xlloop.xloper.XLoper;
import org.mozilla.javascript.Context;
import org.mozilla.javascript.Script;
import org.mozilla.javascript.Scriptable;
import org.mozilla.javascript.ScriptableObject;
public class JavaScriptFactory implements ScriptFactory
{
private static XLoperObjectConverter converter = new XLoperObjectConverter();
public IFunction create(Reader r) throws IOException {
return new JavaScriptFunction(Context.enter().compileReader(r, null, 0, null), converter);
}
private static class JavaScriptFunction implements IFunction
{
private Script script;
private XLoperObjectConverter converter;
public JavaScriptFunction(Script script, XLoperObjectConverter converter) {
this.script = script;
this.converter = converter;
}
public XLoper execute(IFunctionContext context, XLoper[] args) throws RequestException {
Context ctx = Context.enter();
Object[] oargs = converter.convert(args, BSFScript.createArgHints(args));
ScriptableObject so = ctx.initStandardObjects();
Scriptable argsObj = ctx.newArray(so, oargs);
so.defineProperty("args", argsObj, ScriptableObject.DONTENUM);
try {
return converter.createFrom(script.exec(ctx, so));
} catch (Throwable t) {
throw new RequestException(t.getMessage());
}
}
}
}