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Groovy example source code file (J2eeConsole.java)

This example Groovy source code file (J2eeConsole.java) is included in the DevDaily.com "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 J2eeConsole.java 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
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 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="mailto:james@coredevelopers.net">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);

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