Class ReflectionUtil

java.lang.Object

com.sun.el.util.ReflectionUtil

public class ReflectionUtil
extends Object

Utilities for Managing Serialization and Reflection

Version:

$Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: kchung $

Author:

Jacob Hookom [jacob@hookom.net]

Field Summary

Fields

Modifier and Type	Field	Description
protected static final String[]	EMPTY_STRING
protected static final String[]	PRIMITIVE_NAMES
protected static final Class[]	PRIMITIVES

Method Summary

Modifier and Type	Method	Description
static Method	findMethod(Class<?> clazz, String methodName, Class<?>[] paramTypes, Object[] paramValues)
static Class	forName(String name)
protected static Class	forNamePrimitive(String name)
static PropertyDescriptor	getPropertyDescriptor(Object base, Object property)
static Object	invokeMethod(javax.el.ELContext context, Method m, Object base, Object[] params)
static Class[]	toTypeArray(String[] s)	Converts an array of Class names to Class types
static String[]	toTypeNameArray(Class[] c)	Converts an array of Class types to Class names

Methods inherited from class Object

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

Field Details

EMPTY_STRING

protected static final String[] EMPTY_STRING

PRIMITIVE_NAMES

protected static final String[] PRIMITIVE_NAMES

PRIMITIVES

protected static final Class[] PRIMITIVES

Method Details

forName

public static Class forName(String name)
                     throws ClassNotFoundException

Throws:

ClassNotFoundException

forNamePrimitive

protected static Class forNamePrimitive(String name)

toTypeArray

public static Class[] toTypeArray(String[] s)
                           throws ClassNotFoundException

Converts an array of Class names to Class types

Parameters:

s -

Returns:

The array of Classes

Throws:

ClassNotFoundException

toTypeNameArray

public static String[] toTypeNameArray(Class[] c)

Converts an array of Class types to Class names

Parameters:

c -

Returns:

The array of Classes

getPropertyDescriptor

public static PropertyDescriptor getPropertyDescriptor(Object base,
 Object property)
                                                throws javax.el.ELException,
javax.el.PropertyNotFoundException

Parameters:

base - The base object

property - The property

Returns:

The PropertyDescriptor for the base with the given property

Throws:

javax.el.ELException

javax.el.PropertyNotFoundException

invokeMethod

public static Object invokeMethod(javax.el.ELContext context,
 Method m,
 Object base,
 Object[] params)

findMethod

public static Method findMethod(Class<?> clazz,
 String methodName,
 Class<?>[] paramTypes,
 Object[] paramValues)