org.apache.commons.betwixt.expression
Class MethodUpdater

java.lang.Object
  org.apache.commons.betwixt.expression.TypedUpdater
      org.apache.commons.betwixt.expression.MethodUpdater

All Implemented Interfaces:

Updater

public class MethodUpdater
extends TypedUpdater

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

Version:

$Revision: 438373 $

Author:

James Strachan

Constructor Summary

MethodUpdater()
Base constructor

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

Method Summary

protected void	executeUpdate(Context context, java.lang.Object bean, java.lang.Object newValue) Updates the bean by method invocation.
java.lang.reflect.Method	getMethod() Gets the method which will be invoked by the update
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.

Methods inherited from class org.apache.commons.betwixt.expression.TypedUpdater

getValueType, handleException, setValueType, update

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

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

toString

public java.lang.String toString()

Returns something useful for logging.

Overrides:

toString in class java.lang.Object

Returns:

something useful for logging

executeUpdate

protected void executeUpdate(Context context,
                             java.lang.Object bean,
                             java.lang.Object newValue)
                      throws java.lang.Exception

Updates the bean by method invocation.

Specified by:

executeUpdate in class TypedUpdater

newValue - value after type conversion

Throws:

java.lang.Exception

Since:

0.7