org.parallelj.launching.internal.DefaultLauncher Maven / Gradle / Ivy
package org.parallelj.launching.internal;
import org.parallelj.internal.reflect.ProcessHelperImpl;
import org.parallelj.launching.Launch;
import org.parallelj.launching.LaunchException;
import org.parallelj.launching.LaunchResult;
import org.parallelj.launching.Launcher;
import org.parallelj.launching.errors.ProceduresOnError;
import org.parallelj.launching.errors.ProceduresOnErrorManagement;
public class DefaultLauncher {
Class program;
private static class ArgEntry {
public String argumentName;
public String stringValue;
public ArgEntry(String arg) {
int valIndex = arg.indexOf('=');
this.argumentName = arg.substring(0, valIndex);
this.stringValue = arg.substring(valIndex + 1);
}
}
/**
* @param args
*/
public static void main(String[] args) {
String className = args[0];
Class programClass = null;
Object programInstance = null;
try {
programClass = Class.forName(className);
programInstance = programClass.newInstance();
} catch (ClassNotFoundException e1) {
e1.printStackTrace();
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
ArgEntry[] arguments = new ArgEntry[args.length - 1];
try {
for (int cpt = 1; cpt < args.length; cpt++) {
arguments[cpt - 1] = new ArgEntry(args[cpt]);
}
} catch (ArrayIndexOutOfBoundsException e) {
e.printStackTrace();
} catch (SecurityException e) {
e.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
}
if (programInstance != null) {
// Run the Program
Launcher launcher = null;
Launch launch = null;
try {
launcher = Launcher.getLauncher();
launch = launcher.newLaunch(programClass);
for (ArgEntry entry : arguments) {
launch.addParameter(entry.argumentName, entry.stringValue);
}
launch.synchLaunch();
// Get the result of the launch and print Program status
LaunchResult result = launch.getLaunchResult();
System.out.println("Program status ["+result.getStatusCode()+"] Return code ["+result.getReturnCode()+"]");
// Get and sho Procedures on error if exists.
ProcessHelperImpl processhelper = (ProcessHelperImpl)launch.getProcessHelper();
ProceduresOnError procOnError = ProceduresOnErrorManagement.getProceduresInErrors(processhelper.getProcess());
if (procOnError != null && procOnError.getNumberOfProceduresInError()>0) {
System.err.println("Program terminated with errors: "+procOnError);
}
} catch (LaunchException e) {
e.printStackTrace();
} finally {
}
}
}
}