rs.baselib.bean

Class BeanSupport

java.lang.Object

rs.baselib.bean.BeanSupport

public class BeanSupport
extends Object

Support Bean property actions.

Author:

ralph

Field Summary

Fields

Modifier and Type	Field and Description
static BeanSupport	INSTANCE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BeanSupport() Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	addPropertyName(Class<?> beanClass, String propertyName, String propertyEventName) Adds the mapping for the specified property.
protected void	collectForbiddenCopies(Set<String> rc, Class<?> clazz) Collects the NoCopy properties (self-recursive).
protected void	collectTransientProperties(List<String> rc, Class<?> clazz) Collects the non-transient properties (self-recursive).
void	firePropertyEvents(Collection<PropertyChangeListener> listeners, Object bean) Fires property change events to the listeners for the given bean.
protected Set<String>	getForbiddenList(Class<?> beanClass, boolean create) Returns the set of property names forbidden to be copied.
List<String>	getNonTransientProperties(Object bean) Returns the non-transient properties of the bean or class.
Map<String,String>	getPropertyMap(Class<?> beanClass) Returns the map for the bean class.
List<String>	getTransientProperties(Object bean) Returns the transient properties of the bean or class.
boolean	isCopyForbidden(Class<?> beanClass, String propertyName) Returns whether the given property is forbidden to be copied.
boolean	isTransient(Object bean, String propertyName) Returns true when the given property is transient.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static BeanSupport INSTANCE

Constructor Detail

BeanSupport

protected BeanSupport()

Constructor.

Method Detail

addPropertyName

public void addPropertyName(Class<?> beanClass,
                   String propertyName,
                   String propertyEventName)

Adds the mapping for the specified property.

Parameters:

beanClass - the class where the property occurs

propertyName - the name of the bean property

propertyEventName - the name to appear in change events

getPropertyMap

public Map<String,String> getPropertyMap(Class<?> beanClass)

Returns the map for the bean class. This method will always create a map if not already present.

Parameters:

beanClass - the class of the bean

Returns:

the property map.

firePropertyEvents

public void firePropertyEvents(Collection<PropertyChangeListener> listeners,
                      Object bean)

Fires property change events to the listeners for the given bean.

Parameters:

listeners - listeners

bean - bean

isCopyForbidden

public boolean isCopyForbidden(Class<?> beanClass,
                      String propertyName)

Returns whether the given property is forbidden to be copied. The property was either marked as NoCopy or is isTransient(Object, String).

Parameters:

beanClass - the bean class

propertyName - the name of the property

Returns:

true when IBean.copyTo(Object) must not copy this property

getForbiddenList

protected Set<String> getForbiddenList(Class<?> beanClass,
                           boolean create)

Returns the set of property names forbidden to be copied.

Parameters:

beanClass - the class

create - whether the list shall be created if it doesn't exist yet

Returns:

the set of forbidden properties

collectForbiddenCopies

protected void collectForbiddenCopies(Set<String> rc,
                          Class<?> clazz)

Collects the NoCopy properties (self-recursive).

Parameters:

rc - collection where properties need to be collected

clazz - class to be inspected

See Also:

LangUtils.isNoCopy(PropertyDescriptor)

isTransient

public boolean isTransient(Object bean,
                  String propertyName)

Returns true when the given property is transient. The method is a cached version of LangUtils.isTransient(PropertyDescriptor).

Parameters:

bean - Bean or class of bean

propertyName - name of property

Returns:

true when property is transient

getTransientProperties

public List<String> getTransientProperties(Object bean)

Returns the transient properties of the bean or class.

Parameters:

bean - bean or class of bean

Returns:

list of non-transient properties

See Also:

isTransient(Object, String)

getNonTransientProperties

public List<String> getNonTransientProperties(Object bean)

Returns the non-transient properties of the bean or class.

Parameters:

bean - bean or class of bean

Returns:

list of non-transient properties

See Also:

isTransient(Object, String)

collectTransientProperties

protected void collectTransientProperties(List<String> rc,
                              Class<?> clazz)

Collects the non-transient properties (self-recursive).

Parameters:

rc - collection where properties need to be collected

clazz - class to be inspected

See Also:

isTransient(Object, String)