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

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org.apache.commons.ognl
Interface MethodAccessor

All Known Implementing Classes:: ObjectMethodAccessor

public interface MethodAccessor

This interface defines methods for calling methods in a target object. Methods are broken up into static and instance methods for convenience. indexes into the target object, which must be an array.

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

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.

Method Detail

callStaticMethod

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

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

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:: OgnlException - if there is an error calling the method

callMethod

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

Calls the method named with the arguments given.

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:: OgnlException - if there is an error calling the method