org.mates.util
Class ClassCreator

java.lang.Object
  org.mates.util.ClassCreator

public class ClassCreator

extends java.lang.Object

Wrapper for Java's Reflection API.

Author:

Evan Sultanik

Constructor Summary

ClassCreator()

Method Summary

static java.lang.Object	getClass(java.lang.String class_name) Returns a new instance of a class from the class' name.
static java.lang.Object	getClass(java.lang.String class_name, java.lang.Class[] parameters, java.lang.Object[] arguments) Returns a new instance of a class from the class' name and the arguments for its constructor.
static java.lang.Object	invokeMethod(java.lang.Object object, java.lang.String method_name) Invokes a method of a class that does not take any arguments.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassCreator

public ClassCreator()

Method Detail

getClass

public static java.lang.Object getClass(java.lang.String class_name)
                                 throws java.lang.InstantiationException,
                                        java.lang.IllegalAccessException,
                                        java.lang.IllegalArgumentException,
                                        java.lang.reflect.InvocationTargetException,
                                        java.lang.NoSuchMethodException,
                                        java.lang.ClassNotFoundException

Returns a new instance of a class from the class' name.

Throws:

java.lang.InstantiationException

java.lang.IllegalAccessException

java.lang.IllegalArgumentException

java.lang.reflect.InvocationTargetException

java.lang.NoSuchMethodException

java.lang.ClassNotFoundException

getClass

public static java.lang.Object getClass(java.lang.String class_name,
                                        java.lang.Class[] parameters,
                                        java.lang.Object[] arguments)
                                 throws java.lang.InstantiationException,
                                        java.lang.IllegalAccessException,
                                        java.lang.IllegalArgumentException,
                                        java.lang.reflect.InvocationTargetException,
                                        java.lang.NoSuchMethodException,
                                        java.lang.ClassNotFoundException

Returns a new instance of a class from the class' name and the arguments for its constructor.

Parameters:

class_name - the name of the class to be instantiated

parameters - an array of the class types of the arguments. If this is null, the default constructor will be called.

arguments - an array of arguments to pass to the constructor

Throws:

java.lang.InstantiationException

java.lang.IllegalAccessException

java.lang.IllegalArgumentException

java.lang.reflect.InvocationTargetException

java.lang.NoSuchMethodException

java.lang.ClassNotFoundException

invokeMethod

public static java.lang.Object invokeMethod(java.lang.Object object,
                                            java.lang.String method_name)
                                     throws java.lang.NoSuchMethodException,
                                            java.lang.SecurityException,
                                            java.lang.IllegalAccessException,
                                            java.lang.IllegalArgumentException,
                                            java.lang.reflect.InvocationTargetException

Invokes a method of a class that does not take any arguments.

Parameters:

object - the object from which to call the method

method_name - the name of the method in object to call.

Throws:

java.lang.NoSuchMethodException

java.lang.SecurityException

java.lang.IllegalAccessException

java.lang.IllegalArgumentException

java.lang.reflect.InvocationTargetException