org.apache.tools.ant.util

Class ReflectWrapper

java.lang.Object

org.apache.tools.ant.util.ReflectWrapper

public class ReflectWrapper
extends java.lang.Object

Utility class to handle reflection on java objects. The class is a holder class for an object and uses java reflection to call methods on the objects. If things go wrong, BuildExceptions are thrown.

Constructor Summary

Constructors

Constructor and Description
ReflectWrapper(java.lang.ClassLoader loader, java.lang.String name) Construct a wrapped object using the no arg constructor.
ReflectWrapper(java.lang.Object obj) Constructor using a passed in object.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	getObject()
java.lang.Object	invoke(java.lang.String methodName) Call a method on the object with no parameters.
java.lang.Object	invoke(java.lang.String methodName, java.lang.Class argType, java.lang.Object arg) Call a method on the object with one argument.
java.lang.Object	invoke(java.lang.String methodName, java.lang.Class argType1, java.lang.Object arg1, java.lang.Class argType2, java.lang.Object arg2) Call a method on the object with one argument.

Methods inherited from class java.lang.Object

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

Constructor Detail

ReflectWrapper

public ReflectWrapper(java.lang.ClassLoader loader,
                      java.lang.String name)

Construct a wrapped object using the no arg constructor.

Parameters:

loader - the classloader to use to construct the class.

name - the classname of the object to construct.

ReflectWrapper

public ReflectWrapper(java.lang.Object obj)

Constructor using a passed in object.

Parameters:

obj - the object to wrap.

Method Detail

getObject

public java.lang.Object getObject()

Returns:

the wrapped object.

invoke

public java.lang.Object invoke(java.lang.String methodName)

Call a method on the object with no parameters.

Parameters:

methodName - the name of the method to call

Returns:

the object returned by the method

invoke

public java.lang.Object invoke(java.lang.String methodName,
                               java.lang.Class argType,
                               java.lang.Object arg)

Call a method on the object with one argument.

Parameters:

methodName - the name of the method to call

argType - the type of argument.

arg - the value of the argument.

Returns:

the object returned by the method

invoke

public java.lang.Object invoke(java.lang.String methodName,
                               java.lang.Class argType1,
                               java.lang.Object arg1,
                               java.lang.Class argType2,
                               java.lang.Object arg2)

Call a method on the object with one argument.

Parameters:

methodName - the name of the method to call

argType1 - the type of the first argument.

arg1 - the value of the first argument.

argType2 - the type of the second argument.

arg2 - the value of the second argument.

Returns:

the object returned by the method