net.relaysoft.robot.jms.utils

Class ReflectionUtil

java.lang.Object

net.relaysoft.robot.jms.utils.ReflectionUtil

public final class ReflectionUtil
extends Object

Utility class for reflection handling.

Author:

relaysoft.net

Method Summary

Modifier and Type	Method and Description
static Object	constructObject(Class<?> clazz) Construct new object from class object.
static Class<?>	createClass(String className) Create class from class name.
static Object	executeMethod(Class<?> clazz, Object obj, String methodName, Class<?>[] parameterTypes, Object[] parameters) Execute method in object.

Methods inherited from class java.lang.Object

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

Method Detail

createClass

public static Class<?> createClass(String className)
                            throws ClassNotFoundException

Create class from class name.

Parameters:

className - - Class name for the class to load

Returns:

Class object of given name.

Throws:

ClassNotFoundException - If class with the given name is not found from class path.

constructObject

public static Object constructObject(Class<?> clazz)
                              throws InstantiationException,
                                     IllegalAccessException,
                                     InvocationTargetException,
                                     NoSuchMethodException

Construct new object from class object. Class must have default type constructor.

Parameters:

clazz - - Class object from which new instance is created.

Returns:

New object instance of given class type.

Throws:

NoSuchMethodException - If class has no default public constructor.

InvocationTargetException - If constructor method cannot be invoked.

IllegalAccessException - If constructor method cannot be called.

InstantiationException - If given class cannot be instantiated

executeMethod

public static Object executeMethod(Class<?> clazz,
                                   Object obj,
                                   String methodName,
                                   Class<?>[] parameterTypes,
                                   Object[] parameters)
                            throws IllegalAccessException,
                                   InvocationTargetException,
                                   NoSuchMethodException

Execute method in object.

Parameters:

clazz - - Object's class type

obj - - Object containing the method

methodName - - Name of the method to execute

parameterTypes - - Method parameter types

parameters - - Method parameter values

Returns:

The result of dispatching the method.

Throws:

NoSuchMethodException - If given class does not contain requested method.

InvocationTargetException - If given method cannot be invoked.

IllegalAccessException - If given method cannot be called.