net.sourceforge.czt.animation.gui.util

Class IntrospectionHelper

java.lang.Object

net.sourceforge.czt.animation.gui.util.IntrospectionHelper

public final class IntrospectionHelper
extends Object

IntrospectionHelper provides functions for simplifying Introspection on beans in the rest of this project. Note this is a Singleton class - it can not be instantiated. XXX needs work.

Method Summary

Modifier and Type	Method and Description
static boolean	addBeanListener(Object bean, Class<?> listenerType, Object listener) Registers with bean a listener of a given type.
static boolean	beanHasProperty(Object bean, String property) Checks if a bean has a particular property.
static boolean	beanHasReadableProperty(Object bean, String property) Checks if a bean has a particular property, and it is readable.
static boolean	beanHasWritableProperty(Object bean, String property) Checks if a bean has a particular property, and it is writable.
static EventListener[]	getBeanListeners(Object bean, Class<?> listenerType)
static Object	getBeanProperty(Object bean, PropertyDescriptor pd)
static Object	getBeanProperty(Object bean, String property) Returns the value of a bean's property.
static PropertyEditor	getEditor(Class<?> clazz)
static boolean	isReadableProperty(PropertyDescriptor pd) Tests if a property is readable.
static boolean	isWritableProperty(PropertyDescriptor pd) Tests if a property is writable.
static boolean	providesEventSet(Object bean, Class<?> listener) Returns true if bean can register the given type of listener.
static void	rememberBeanInfo(BeanInfo bi)
static void	rememberBeanInfo(Class<?> type)
static boolean	removeBeanListener(Object bean, Class<?> listenerType, Object listener) Unregisters with bean a listener of a given type.
static void	setBeanProperty(Object bean, PropertyDescriptor pd, Object value)
static void	setBeanProperty(Object bean, String property, Object value) Sets the value of a bean's property.
static String	translateClassName(Class<?> c)
static String	translateClassName(String s)

Methods inherited from class java.lang.Object

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

Method Detail

beanHasProperty

public static boolean beanHasProperty(Object bean,
                                      String property)

Checks if a bean has a particular property.

Parameters:

bean - The bean to check.

property - The name of the property to check for.

Returns:

true if a bean has a particular property.

isReadableProperty

public static boolean isReadableProperty(PropertyDescriptor pd)

Tests if a property is readable.

Parameters:

pd - A PropertyDescriptor describing the property.

Returns:

true if it is readable.

beanHasReadableProperty

public static boolean beanHasReadableProperty(Object bean,
                                              String property)

Checks if a bean has a particular property, and it is readable.

Parameters:

bean - The bean to check.

property - The name of the property to check for.

Returns:

true if the bean has the given property, and it is readable.

isWritableProperty

public static boolean isWritableProperty(PropertyDescriptor pd)

Tests if a property is writable.

Parameters:

pd - A PropertyDescriptor describing the property.

Returns:

true if it is writable.

beanHasWritableProperty

public static boolean beanHasWritableProperty(Object bean,
                                              String property)

Checks if a bean has a particular property, and it is writable.

Parameters:

bean - The bean to check.

property - The name of the property to check for.

Returns:

true if the bean has the given property, and it is readable.

getBeanProperty

public static Object getBeanProperty(Object bean,
                                     PropertyDescriptor pd)

getBeanProperty

public static Object getBeanProperty(Object bean,
                                     String property)

Returns the value of a bean's property.

Parameters:

bean - The bean to use.

property - The name of the property to get.

setBeanProperty

public static void setBeanProperty(Object bean,
                                   PropertyDescriptor pd,
                                   Object value)

setBeanProperty

public static void setBeanProperty(Object bean,
                                   String property,
                                   Object value)

Sets the value of a bean's property.

Parameters:

bean - The bean to use.

property - The name of the property to set.

value - The value to set the property to.

providesEventSet

public static boolean providesEventSet(Object bean,
                                       Class<?> listener)

Returns true if bean can register the given type of listener.

Parameters:

bean - The bean to register with.

listener - The type of listener to check bean for.

addBeanListener

public static boolean addBeanListener(Object bean,
                                      Class<?> listenerType,
                                      Object listener)

Registers with bean a listener of a given type.

Parameters:

bean - The bean to register with.

listenerType - The type of listener to be registered with bean.

listener - The listener to register with bean.

Returns:

true if successful.

removeBeanListener

public static boolean removeBeanListener(Object bean,
                                         Class<?> listenerType,
                                         Object listener)

Unregisters with bean a listener of a given type.

Parameters:

bean - The bean to unregister with.

listenerType - The type of listener to be unregistered with bean.

listener - The listener to unregister with bean.

Returns:

true if successful.

getBeanListeners

public static EventListener[] getBeanListeners(Object bean,
                                               Class<?> listenerType)

translateClassName

public static String translateClassName(String s)

translateClassName

public static String translateClassName(Class<?> c)

rememberBeanInfo

public static void rememberBeanInfo(BeanInfo bi)

rememberBeanInfo

public static void rememberBeanInfo(Class<?> type)

getEditor

public static PropertyEditor getEditor(Class<?> clazz)