org.argouml.application.security
Class ArgoJarClassLoader

java.lang.Object
  java.lang.ClassLoader
      java.security.SecureClassLoader
          java.net.URLClassLoader
              org.argouml.application.security.ArgoJarClassLoader

public class ArgoJarClassLoader

extends java.net.URLClassLoader

A class loader for loading jar files, both local and remote. This source was taken primarily from Sun's tutorial

Constructor Summary

ArgoJarClassLoader(java.net.URL url)
Creates a new ClassLoader for the specified url.

Method Summary

java.lang.String	getMainClassName() Returns the name of the jar file main class, or null if no "Main-Class" manifest attributes was defined.
void	invokeClass(java.lang.String name, java.lang.String[] args) Invokes the application in this jar file given the name of the main class and an array of arguments.

Methods inherited from class java.net.URLClassLoader

addURL, definePackage, findClass, findResource, findResources, getPermissions, getURLs, newInstance, newInstance

Methods inherited from class java.security.SecureClassLoader

defineClass

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, definePackage, findLibrary, findLoadedClass, findSystemClass, getPackage, getPackages, getParent, getResource, getResourceAsStream, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, loadClass, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners

Methods inherited from class java.lang.Object

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

Constructor Detail

ArgoJarClassLoader

public ArgoJarClassLoader(java.net.URL url)

Creates a new ClassLoader for the specified url.

Parameters:

url - the url of the jar file

Method Detail

getMainClassName

public java.lang.String getMainClassName()
                                  throws java.io.IOException

Returns the name of the jar file main class, or null if no "Main-Class" manifest attributes was defined.

Throws:

java.io.IOException

invokeClass

public void invokeClass(java.lang.String name,
                        java.lang.String[] args)
                 throws java.lang.ClassNotFoundException,
                        java.lang.NoSuchMethodException,
                        java.lang.reflect.InvocationTargetException

Invokes the application in this jar file given the name of the main class and an array of arguments. The class must define a static method "main" which takes an array of String arguemtns and is of return type "void".

Parameters:

name - the name of the main class

args - the arguments for the application

Throws:

java.lang.ClassNotFoundException - if the specified class could not be found

java.lang.NoSuchMethodException - if the specified class does not contain a "main" method

java.lang.reflect.InvocationTargetException - if the application raised an exception