net.openhft.chronicle.testframework.process.ProcessRunner Maven / Gradle / Ivy
package net.openhft.chronicle.testframework.process;
import net.openhft.chronicle.testframework.internal.process.InternalProcessRunner;
import java.io.IOException;
import static java.util.Objects.requireNonNull;
public final class ProcessRunner {
private ProcessRunner() {
// Suppresses default constructor, ensuring non-instantiability.
}
/**
* Spawn a process running the main method of a specified class
*
* @param clazz The class to execute
* @param args Any arguments to pass to the process
* @return the Process spawned
* @throws IOException if there is an error starting the process
*/
public static Process runClass(Class clazz, String... args) throws IOException {
requireNonNull(clazz);
requireNonNull(args);
return runClass(clazz, new String[]{}, args);
}
/**
* Spawn a process running the main method of a specified class with custom JVM args
*
* @param clazz The class to execute
* @param jvmArgs Any JVM arguments to pass to the process
* @param programArgs Any arguments to pass to the process
* @return the Process spawned
* @throws IOException if there is an error starting the process
*/
public static Process runClass(Class clazz, String[] jvmArgs, String[] programArgs) throws IOException {
requireNonNull(clazz);
requireNonNull(jvmArgs);
requireNonNull(programArgs);
return InternalProcessRunner.runClass(clazz, jvmArgs, programArgs, null);
}
/**
* Spawn a process running the main method of a specified class with custom JVM args and classpath
*
* @param clazz The class to execute
* @param jvmArgs Any JVM arguments to pass to the process
* @param programArgs Any arguments to pass to the process
* @param classPath Classpath entries for the process
* @return the Process spawned
* @throws IOException if there is an error starting the process
*/
public static Process runClass(Class clazz, String[] jvmArgs, String[] programArgs, String[] classPath) throws IOException {
requireNonNull(clazz);
requireNonNull(jvmArgs);
requireNonNull(programArgs);
requireNonNull(classPath);
return InternalProcessRunner.runClass(clazz, jvmArgs, programArgs, classPath);
}
/**
* Log stdout and stderr for a process
*
* ProcessBuilder.inheritIO() didn't play nicely with Maven failsafe plugin
*
* https://maven.apache.org/surefire/maven-failsafe-plugin/faq.html#corruptedstream
*/
public static void printProcessOutput(String processName, Process process) {
requireNonNull(processName);
requireNonNull(process);
InternalProcessRunner.printProcessOutput(processName, process);
}
}