org.jowidgets.util.reflection

Class IntrospectionCache

java.lang.Object

org.jowidgets.util.reflection.IntrospectionCache

public final class IntrospectionCache
extends java.lang.Object

This class holds introspection / reflection result inside a cache for a faster access

Method Summary

Methods

Modifier and Type	Method and Description
static void	clearCache()
static java.beans.PropertyDescriptor	getPropertyDescriptor(java.lang.Class<?> type, java.lang.String propertyName) Gets the property descriptor for a specific type.
static java.beans.PropertyDescriptor	getPropertyDescriptorFromHierarchy(java.lang.Class<?> type, java.lang.String propertyName) Gets the property descriptor for a specific type from the type hierarchy (including the given type)
static java.util.Collection<java.beans.PropertyDescriptor>	getPropertyDescriptors(java.lang.Class<?> type) Gets a property decriptors for a specific type
static java.util.Collection<java.beans.PropertyDescriptor>	getPropertyDescriptorsFromHierarchy(java.lang.Class<?> type) Gets a property decriptors for a specific type from the type hierarchy (including the given type)
static java.lang.reflect.Method	getReadMethodFromHierarchy(java.lang.Class<?> type, java.lang.String propertyName) Gets the read method for a defined property in the type hierarchy (including the given type)
static java.lang.reflect.Method	getWriteMethodFromHierarchy(java.lang.Class<?> type, java.lang.String propertyName) Gets the write method for a defined property in the type hierarchy (including the given type)

Methods inherited from class java.lang.Object

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

Method Detail

clearCache

public static void clearCache()

getPropertyDescriptorsFromHierarchy

public static java.util.Collection<java.beans.PropertyDescriptor> getPropertyDescriptorsFromHierarchy(java.lang.Class<?> type)

Gets a property decriptors for a specific type from the type hierarchy (including the given type)

Parameters:

type - The type to get the property descriptor for

Returns:

The property descriptor as a unmodifiable collection, may be empty but never null

getPropertyDescriptorFromHierarchy

public static java.beans.PropertyDescriptor getPropertyDescriptorFromHierarchy(java.lang.Class<?> type,
                                                               java.lang.String propertyName)

Gets the property descriptor for a specific type from the type hierarchy (including the given type)

Parameters:

type -

propertyName -

Returns:

The property decriptor or null, if no such property exists

getWriteMethodFromHierarchy

public static java.lang.reflect.Method getWriteMethodFromHierarchy(java.lang.Class<?> type,
                                                   java.lang.String propertyName)

Gets the write method for a defined property in the type hierarchy (including the given type)

Parameters:

type -

propertyName -

Returns:

The write method, or null if the property does not exist or is readonly

getReadMethodFromHierarchy

public static java.lang.reflect.Method getReadMethodFromHierarchy(java.lang.Class<?> type,
                                                  java.lang.String propertyName)

Gets the read method for a defined property in the type hierarchy (including the given type)

Parameters:

type -

propertyName -

Returns:

The read method, or null if the property does not exist or has no read method

getPropertyDescriptors

public static java.util.Collection<java.beans.PropertyDescriptor> getPropertyDescriptors(java.lang.Class<?> type)

Gets a property decriptors for a specific type

Parameters:

type - The type to get the property descriptor for

Returns:

The property descriptor as a unmodifiable collection, may be empty but never null

getPropertyDescriptor

public static java.beans.PropertyDescriptor getPropertyDescriptor(java.lang.Class<?> type,
                                                  java.lang.String propertyName)

Gets the property descriptor for a specific type.

Parameters:

type -

propertyName -

Returns:

The property decriptor or null, if no such property exists