ObjectMethodAccessor (Apache Commons OGNL - Object Graph Navigation Library 4.0-SNAPSHOT API)

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org.apache.commons.ognl
Class ObjectMethodAccessor

java.lang.Object
  org.apache.commons.ognl.ObjectMethodAccessor

All Implemented Interfaces:: MethodAccessor

public class ObjectMethodAccessor
extends Object
implements MethodAccessor
extends Object
implements MethodAccessor

Implementation of PropertyAccessor that uses reflection on the target object's class to find a field or a pair of set/get methods with the given property name.

Author:: Luke Blanshard (blanshlu@netscape.net), Drew Davidson (drew@ognl.org)

Constructor Summary
`ObjectMethodAccessor()`

Method Summary
`Object`	`callMethod(Map<String,Object> context, Object target, String methodName, Object[] args)` Calls the method named with the arguments given.
`Object`	`callStaticMethod(Map<String,Object> context, Class<?> targetClass, String methodName, Object[] args)` Calls the static method named with the arguments given on the class given.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

ObjectMethodAccessor

public ObjectMethodAccessor()

Method Detail

callStaticMethod

public Object callStaticMethod(Map<String,Object> context,
                               Class<?> targetClass,
                               String methodName,
                               Object[] args)
                        throws MethodFailedException

Calls the static method named with the arguments given on the class given.

Specified by:: callStaticMethod in interface MethodAccessor

Parameters:: context - expression context in which the method should be called; targetClass - the object in which the method exists; methodName - the name of the method; args - the arguments to the method
Returns:: result of calling the method
Throws:: MethodFailedException

callMethod

public Object callMethod(Map<String,Object> context,
                         Object target,
                         String methodName,
                         Object[] args)
                  throws MethodFailedException

Calls the method named with the arguments given.

Specified by:: callMethod in interface MethodAccessor

Parameters:: context - expression context in which the method should be called; target - the object in which the method exists; methodName - the name of the method; args - the arguments to the method
Returns:: result of calling the method
Throws:: MethodFailedException