/*
* 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 jena.cmd;
import java.lang.reflect.InvocationTargetException ;
import java.lang.reflect.Method ;
/** Helper code to invoke a main method buy reflection
* This means coomand can be invoked from this module even
* if their implementation resides in a module later
* in the build sequence.
*/
public class Invoke {
public static void invokeCmd(String className, String[] args) {
Class<? > cmd = null;
try {
cmd = Class.forName(className);
}
catch (ClassNotFoundException ex) {
System.err.println("Class '" + className + "' not found");
System.exit(1);
}
Method method = null;
try {
method = cmd.getMethod("main", new Class[]{String[].class});
}
catch (NoSuchMethodException ex) {
System.err.println("'main' not found but the class '" + className + "' was");
System.exit(1);
}
try {
method.invoke(null, new Object[]{args});
return;
}
catch (IllegalArgumentException ex) {
System.err.println("IllegalArgumentException exception: " + ex.getMessage());
System.exit(7);
}
catch (IllegalAccessException ex) {
System.err.println("IllegalAccessException exception: " + ex.getMessage());
System.exit(8);
}
catch (InvocationTargetException ex) {
System.err.println("InvocationTargetException exception: " + ex.getMessage());
System.exit(9);
}
}
}