org.apache.commons.betwixt.expression
Class MethodUpdater

java.lang.Object
  |
  +--org.apache.commons.betwixt.expression.MethodUpdater

All Implemented Interfaces:

Updater

public class MethodUpdater

extends java.lang.Object

implements Updater

MethodUpdater updates the current bean context by calling a WriteMethod with the String value from the XML attribute or element.

Version:

$Revision: 1.12 $

Author:

James Strachan

Constructor Summary

MethodUpdater()
Base constructor

MethodUpdater(java.lang.reflect.Method method)
Convenience constructor sets method property

Method Summary

java.lang.reflect.Method	getMethod() Gets the method which will be invoked by the update
protected void	handleException(org.apache.commons.betwixt.expression.Context context, java.lang.Exception e) Strategy method to allow derivations to handle exceptions differently.
static void	setLog(org.apache.commons.logging.Log aLog) Programmatically set log
void	setMethod(java.lang.reflect.Method method) Sets the constant value of this expression
java.lang.String	toString() Returns something useful for logging.
void	update(org.apache.commons.betwixt.expression.Context context, java.lang.Object newValue) Updates the current bean context with the given String value

Methods inherited from class java.lang.Object

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

Constructor Detail

MethodUpdater

public MethodUpdater()

Base constructor

MethodUpdater

public MethodUpdater(java.lang.reflect.Method method)

Convenience constructor sets method property

Parameters:

method - the Method to be invoked on the context's bean in the update

Method Detail

setLog

public static void setLog(org.apache.commons.logging.Log aLog)

Programmatically set log

Parameters:

aLog - the implementation to which this class should log

update

public void update(org.apache.commons.betwixt.expression.Context context,
                   java.lang.Object newValue)

Updates the current bean context with the given String value

Specified by:

update in interface Updater

Parameters:

context - the Context to be updated

newValue - the update to this new value

getMethod

public java.lang.reflect.Method getMethod()

Gets the method which will be invoked by the update

Returns:

the Method to be invoked by the update

setMethod

public void setMethod(java.lang.reflect.Method method)

Sets the constant value of this expression

Parameters:

method - the Method to be invoked by the update

handleException

protected void handleException(org.apache.commons.betwixt.expression.Context context,
                               java.lang.Exception e)

Strategy method to allow derivations to handle exceptions differently.

Parameters:

context - the Context being updated when this exception occured

e - the Exception that occured during the update

toString

public java.lang.String toString()

Returns something useful for logging.

Overrides:

toString in class java.lang.Object

Returns:

something useful for logging