io.joshworks.snappy.maven.RunMojo Maven / Gradle / Ivy
/*
* Copyright 2012-2015 the original author or authors.
*
* 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 io.joshworks.snappy.maven;
import io.joshworks.snappy.maven.tools.JavaExecutable;
import io.joshworks.snappy.maven.tools.RunProcess;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.Execute;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.ResolutionScope;
import java.net.URLClassLoader;
import java.util.List;
/**
* Run an executable archive application.
*
* @author Phillip Webb
* @author Stephane Nicoll
*/
@Mojo(name = "run", requiresProject = true, defaultPhase = LifecyclePhase.VALIDATE, requiresDependencyResolution = ResolutionScope.TEST)
@Execute(phase = LifecyclePhase.TEST_COMPILE)
public class RunMojo extends AbstractRunMojo {
@Override
protected void runWithForkedJvm(List args) throws MojoExecutionException {
try {
int exitCode = new RunProcess(new JavaExecutable().toString()).run(true,
args.toArray(new String[args.size()]));
if (exitCode != 0) {
throw new MojoExecutionException(
"Application finished with non-zero exit code: " + exitCode);
}
} catch (Exception ex) {
throw new MojoExecutionException("Could not exec java", ex);
}
}
@Override
protected void runWithMavenJvm(String startClassName, String... arguments)
throws MojoExecutionException {
IsolatedThreadGroup threadGroup = new IsolatedThreadGroup(startClassName);
Thread launchThread = new Thread(threadGroup,
new LaunchRunner(startClassName, arguments), "main");
launchThread.setContextClassLoader(new URLClassLoader(getClassPathUrls()));
launchThread.start();
join(threadGroup);
threadGroup.rethrowUncaughtException();
}
private void join(ThreadGroup threadGroup) {
boolean hasNonDaemonThreads;
do {
hasNonDaemonThreads = false;
Thread[] threads = new Thread[threadGroup.activeCount()];
threadGroup.enumerate(threads);
for (Thread thread : threads) {
if (thread != null && !thread.isDaemon()) {
try {
hasNonDaemonThreads = true;
thread.join();
} catch (InterruptedException ex) {
Thread.currentThread().interrupt();
}
}
}
}
while (hasNonDaemonThreads);
}
}