com.generationjava.lang
Class ClassW

java.lang.Object
  com.generationjava.lang.ClassW

public final class ClassW

extends Object

A set of static utilities for use with Classes.

Author:

bayard@generationjava.com

Constructor Summary

ClassW()

Method Summary

static void	callMain(Class clss, String[] args)
static void	callMain(String[] args)
static void	callMain(String classname, String[] args)
static Object	callStatic(Class clss, String methodName, Class[] types, Object[] args)
static Object	callStatic(String classname, String methodName, Class[] types, Object[] args) Runs a static method on a class.
static boolean	classExists(String classname) Is this Class in the CLASSPATH
static Object	createObject(Class clss) Create an object from a class.
static Object	createObject(String classname) Create an object from the classname.
static Class	getClass(String classname) Get the Class object for a classname.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassW

public ClassW()

Method Detail

createObject

public static Object createObject(String classname)

Create an object from the classname. Must have an empty constructor.

Parameters:

classname - String name of the class

Returns:

Object instance of the class or null

createObject

public static Object createObject(Class clss)

Create an object from a class.

Parameters:

clss - Class object to instantiate

Returns:

Object instance of the class or null

classExists

public static boolean classExists(String classname)

Is this Class in the CLASSPATH

Parameters:

classname - String of the class

Returns:

boolean exists or not.

getClass

public static Class getClass(String classname)

Get the Class object for a classname.

Parameters:

classname - String of the class

Returns:

Class instance for the class.

callMain

public static void callMain(String[] args)

callMain

public static void callMain(String classname,
                            String[] args)

callMain

public static void callMain(Class clss,
                            String[] args)

callStatic

public static Object callStatic(String classname,
                                String methodName,
                                Class[] types,
                                Object[] args)

Runs a static method on a class.

Parameters:

classname - String name of class to invoke on.

methodName - String name of method to call.

args - Object[] arguments to method.

callStatic

public static Object callStatic(Class clss,
                                String methodName,
                                Class[] types,
                                Object[] args)