/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.scxml2.test;
import org.apache.commons.scxml2.Evaluator;
import org.apache.commons.scxml2.env.jexl.JexlEvaluator;
/**
* Standalone SCXML interpreter, useful for command-line testing and
* debugging, where expressions are JEXL expressions.
*
* <p>USAGE:</p>
* <p><code>java org.apache.commons.scxml2.test.StandaloneJexlExpressions
* url</code></p>
* <p>or</p>
* <p><code>java org.apache.commons.scxml2.test.StandaloneJexlExpressions
* 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 StandaloneJexlExpressions {
/**
* 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 "
+ StandaloneJexlExpressions.class.getName()
+ "<url|filename>");
System.exit(-1);
}
Evaluator evaluator = new JexlEvaluator();
StandaloneUtils.execute(args[0], evaluator);
}
/**
* Discourage instantiation since this is a utility class.
*/
private StandaloneJexlExpressions() {
super();
}
}