/*
* 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.geode.test.process;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.lang.reflect.Method;
/**
* Provides a main which delegates to another main for testing after waiting for one input. The
* purpose is to prevent race condition in which a process may send output before the reader has
* started listening for that output.
*
*/
public class MainLauncher {
public static void main(String... args) throws Exception {
assert args.length > 0;
String innerMain = args[0];
Class<?> clazz = Class.forName(innerMain);
// System.out.println(MainLauncher.class.getSimpleName() + " waiting to start...");
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
bufferedReader.readLine();
// System.out.println(MainLauncher.class.getSimpleName() + " delegating...");
Object[] innerArgs = new String[args.length - 1];
for (int i = 0; i < innerArgs.length; i++) {
innerArgs[i] = args[i + 1];
}
Method mainMethod = clazz.getMethod("main", String[].class);
mainMethod.invoke(null, new Object[] {innerArgs});
}
}