Package com.logicaldoc.util.exec

Class JavaLauncher

java.lang.Object

com.logicaldoc.util.exec.JavaLauncher

public class JavaLauncher
extends Object

JavaLauncher Provides an easy way to launch java applications.

Constructor Summary

Constructors

Constructor	Description
JavaLauncher()

Method Summary

Modifier and Type	Method	Description
static Process	exec(String mainClass, String classpath, String[] jvmargs, String[] properties)	Launch a java program.
static Process	execJar(String pathToJar, String[] jvmargs)	Execute a java jar file that contains a manifest.
static String	findJVM()	Find a suitable JVM on the user's system.
static void	main(String[] args)	Demo - Launch a java program.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

JavaLauncher

public JavaLauncher()

Method Details

exec

public static Process exec(String mainClass,
 String classpath,
 String[] jvmargs,
 String[] properties)
                    throws ExecException

Launch a java program.

Parameters:

mainClass - - class with main method

classpath - - the java classpath

jvmargs - - arguments for the jvm

properties - - any system properties

Returns:

the launched process

Throws:

ExecException - Error in executing the given command

execJar

public static Process execJar(String pathToJar,
 String[] jvmargs)
                       throws ExecException

Execute a java jar file that contains a manifest.

Parameters:

pathToJar - - absolute path to your jar

jvmargs - - arguments for the java virtual machine

Returns:

Process The launched process

Throws:

ExecException - An error happened during execution

findJVM

public static String findJVM()

Find a suitable JVM on the user's system.

Returns:

- path to java binary

main

public static void main(String[] args)

Demo - Launch a java program.

Parameters:

args - the invocation arguments