Package org.apache.bcel.util

Class JavaWrapper

java.lang.Object

org.apache.bcel.util.JavaWrapper

public class JavaWrapper
extends Object

Java interpreter replacement, i.e., wrapper that uses its own ClassLoader to modify/generate classes as they're requested. You can take this as a template for your own applications.

Call this wrapper with:

 java org.apache.bcel.util.JavaWrapper <real.class.name> [arguments]
 

To use your own class loader you can set the "bcel.classloader" system property.

 java org.apache.bcel.util.JavaWrapper -Dbcel.classloader=foo.MyLoader <real.class.name> [arguments]
 

See Also:

• ClassLoader

Constructor Summary

Constructors

Constructor	Description
JavaWrapper()
JavaWrapper(ClassLoader loader)

Method Summary

Modifier and Type	Method	Description
static void	main(String[] argv)	Default main method used as wrapper, expects the fully qualified class name of the real class as the first argument.
void	runMain(String className, String[] argv)	Runs the main method of the given class with the arguments passed in argv

Methods inherited from class java.lang.Object

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

Constructor Details

JavaWrapper

public JavaWrapper()

JavaWrapper

public JavaWrapper(ClassLoader loader)

Method Details

main

public static void main(String[] argv)
                 throws Exception

Default main method used as wrapper, expects the fully qualified class name of the real class as the first argument.

Throws:

Exception

runMain

public void runMain(String className,
 String[] argv)
             throws ClassNotFoundException

Runs the main method of the given class with the arguments passed in argv

Parameters:

className - the fully qualified class name

argv - the arguments just as you would pass them directly

Throws:

ClassNotFoundException - if className can't be found.