/*
*
* Copyright 2005-2006 The Apache Software Foundation.
*
* 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.commons.scxml.test;
import org.apache.commons.scxml.Evaluator;
import org.apache.commons.scxml.env.jsp.ELEvaluator;
/**
* Standalone SCXML interpreter, useful for command-line testing and
* debugging, where expressions are JSP 2.0 EL expressions.
*
* <p>USAGE:</p>
* <p><code>java org.apache.commons.scxml.test.StandaloneElExpressions
* url</code></p>
* <p>or</p>
* <p><code>java org.apache.commons.scxml.test.StandaloneElExpressions
* filename</code>
* </p>
*
* <p>RUNNING:</p>
* <ul>
* <li>Enter a space-separated list of "events"</li>
* <li>To quit, enter "quit"</li>
* <li>To populate a variable in the current context,
* type "name=value"</li>
* <li>To reset state machine, enter "reset"</li>
* </ul>
*
*/
public final class StandaloneElExpressions {
/**
* Launcher.
* @param args The arguments, one expected, the URI or filename of the
* SCXML document
*/
public static void main(final String[] args) {
if (args.length < 1) {
System.out.println("USAGE: java "
+ StandaloneElExpressions.class.getName()
+ "<url|filename>");
System.exit(-1);
}
Evaluator evaluator = new ELEvaluator();
StandaloneUtils.execute(args[0], evaluator);
}
/**
* Discourage instantiation since this is a utility class.
*/
private StandaloneElExpressions() {
super();
}
}