/*
* JBoss, Home of Professional Open Source
* Copyright 2009 Red Hat Inc. and/or its affiliates and other contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.jboss.arquillian.container.test.spi.util;
import org.jboss.arquillian.container.test.spi.TestRunner;
/**
* TestRunners
* <p>
* Helper factory for loading TestRunners in container.
*
* @author <a href="mailto:aslak@conduct.no">Aslak Knutsen</a>
* @version $Revision: $
*/
public final class TestRunners {
// Hide ctor
private TestRunners() {
}
/**
* Dynamically loads an instance of a test runner.
*
* @return A Initialized TestRunner
*
* @throws IllegalStateException
* if multiple TestRunners found in classpath.
*/
public static TestRunner getTestRunner() {
return getTestRunner(SecurityActions.getThreadContextClassLoader());
}
/**
* Dynamically loads an instance of a test runner.
*
* @return A Initialized TestRunner
*
* @throws IllegalStateException
* if multiple TestRunners found in classpath.
*/
public static TestRunner getTestRunner(ClassLoader classLoader) {
ServiceLoader<TestRunner> serviceLoader = ServiceLoader.load(TestRunner.class, classLoader);
if (serviceLoader.getProviders().size() > 1) {
throw new IllegalStateException("Multiple TestRunners found, only one allowed. Check your classpath");
}
return serviceLoader.iterator().next();
}
}