package javasec.samples.appd;

import java.lang.reflect.*;

public class JavaRunner implements Runnable {
    final static int numArgs = 1;
    private JRClassLoader jrl;
    private Object args[];
    private String className;

    JavaRunner(JRClassLoader jrl, String className, Object args[]) {
        this.jrl = jrl;
        this.className = className;
        this.args = args;
    }

    void invokeMain(Class clazz) {
        Class argList[] = new Class[1];
        String strArray[] = new String[1];
        argList[0] = strArray.getClass();
        Method mainMethod = null;
        try {
            mainMethod = clazz.getMethod("main", argList);
        } catch (NoSuchMethodException nsme) {
            System.out.println("No main method in " + clazz.getName());
            System.exit(-1);
        }
    
        try {
            mainMethod.invoke(null, args);
        } catch (Throwable e) {
            if (e instanceof InvocationTargetException)
                e = ((InvocationTargetException) e)
                            .getTargetException();
            System.out.println("Procedure exited with exception " + e);
            e.printStackTrace();
        }
    }

    public void run() {
        Class target = null;
        try {
            target = jrl.loadClass(className);
            invokeMain(target);
        } catch (ClassNotFoundException cnfe) {
            System.out.println("Can