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Groovy example source code file (

This example Groovy source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

exception, groovyobject, groovyobject, groovyshell, groovyshell, initialcontext, initialcontext, j2eeconsole, naming, properties, string, string, util

The Groovy source code

 * Copyright 2003-2011 the original author or authors.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package groovy.j2ee;

import groovy.lang.GroovyObject;
import groovy.lang.GroovyShell;
import org.codehaus.groovy.runtime.InvokerHelper;

import javax.naming.Context;
import javax.naming.InitialContext;
import java.util.Properties;

 * A J2EE console
 * @author <a href="">James Strachan
 * @version $Revision: 21515 $
public class J2eeConsole {

    public static void main(String[] args) {
        if (args.length <= 0) {
            System.out.println("Usage: home [configuaration] [localcopy]");

        String home = args[0];

        Properties p = new Properties();
        System.setProperty("openejb.home", home);
        p.put(Context.INITIAL_CONTEXT_FACTORY, "org.openejb.client.LocalInitialContextFactory");
        p.put("openejb.loader", "embed");
        p.put("openejb.home", home);

        if (args.length > 1) {
            String conf = args[1];
            System.setProperty("openejb.configuration", conf);
            p.put("openejb.configuration", conf);
        if (args.length > 2) {
            String copy = args[2];
            System.setProperty("openejb.localcopy", copy);
            p.put("openejb.localcopy", copy);
        try {
            InitialContext ctx = new InitialContext(p);

            GroovyShell shell = new GroovyShell();
            shell.setVariable("context", ctx);

            GroovyObject console = (GroovyObject) InvokerHelper.invokeConstructorOf("groovy.ui.Console", null);
            console.setProperty("shell", shell);
            console.invokeMethod("run", null);
        catch (Exception e) {
            System.out.println("Caught: " + e);

Other Groovy examples (source code examples)

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