wt.clients.beans
Class PropertyItem

java.lang.Object
  wt.clients.beans.PropertyItem

All Implemented Interfaces:

Explorable, Identifiable, ReferenceHolder

public class PropertyItem

extends Object

implements Explorable

This is a model class for PropertyDescriptor objects. It implements the Explorable interface to allow displaying class attributes in the WTExplorer.

Supported API: false

Extendable: false

See Also:

PropertyDescriptor, WTExplorer, ClassExplorer, Explorable

Field Summary

private PropertyDescriptor

propertyDescriptor

Constructor Summary

PropertyItem(PropertyDescriptor pd)
Construct a PropertyItem from the specified PropertyDescriptor.

PropertyItem(String className, String attributename)
Construct a PropertyItem for the specified class and attribute.

Method Summary

Explorable[]	getContents() Implemented to satisfy the Explorable interface.
String	getDefinedAs() Return where the property was originally defined.
String	getDescription() Return the shortDescription attribute from the contained PropertyDescriptor.
String	getDisplayName() Return the displayName attribute from the contained PropertyDescriptor.
String	getIdentity() Implemented to satisfy the Explorable interface.
int	getLowerLimit() Return the lower limit specified for the attribute.
String	getName() Return the name attribute from the contained PropertyDescriptor.
Object	getObject() Implemented to satisfy the Explorable interface.
Image	getOpenIcon() Implemented to satisfy the Explorable interface.
PropertyDescriptor	getPropertyDescriptor() Gets the PropertyDescriptor for the PropertyItem .
Class	getPropertyType() Return the propertyType attribute from the contained PropertyDescriptor.
String	getPropertyTypeClassName() Return the name of the propertyType attribute from the contained PropertyDescriptor.
Image	getStandardIcon() Implemented to satisfy the Explorable interface.
String	getUniqueIdentity() Implemented to satisfy the Explorable interface.
int	getUpperLimit() Return the upper limit specified for the attribute.
Explorable[]	getUses() Implemented to satisfy the Explorable interface.
protected Method	getWriteMethod(Class objectClass) Return a setter method for this property for the specified class.
boolean	isExpert() Determine if the property is "expert" .
boolean	isHidden() Determine if the property is "hidden" .
boolean	isReadable() Determine if the property is readable (it has a getter() method).
boolean	isRequired() Determine if the property is required.
boolean	isUpdateable() Determine if the property is updateable.
boolean	isWriteable() Determine if the property is writeable (it has a setter() method).
boolean	isWriteable(Class objectClass) Determine if the property is writeable (it has a setter() method).
void	setObject(Object obj) Implemented to satisfy the Explorable interface.
void	setPropertyDescriptor(PropertyDescriptor pd) Sets the PropertyDescriptor for the PropertyItem .

Methods inherited from class java.lang.Object

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

Field Detail

propertyDescriptor

private PropertyDescriptor propertyDescriptor

Constructor Detail

PropertyItem

public PropertyItem(String className,
                    String attributename)
             throws WTIntrospectionException

Construct a PropertyItem for the specified class and attribute.

Parameters:

className - the specified class

attributename - the specified attribute name

Throws:

WTIntrospectionException - if an introspection error occurred

PropertyItem

public PropertyItem(PropertyDescriptor pd)

Construct a PropertyItem from the specified PropertyDescriptor.

Parameters:

pd - the specified PropertyDescriptor.

Method Detail

setPropertyDescriptor

public void setPropertyDescriptor(PropertyDescriptor pd)

Sets the PropertyDescriptor for the PropertyItem .

Parameters:

pd - the specified PropertyDescriptor.

getPropertyDescriptor

public PropertyDescriptor getPropertyDescriptor()

Gets the PropertyDescriptor for the PropertyItem .

Returns:

the current PropertyDescriptor.

getIdentity

public String getIdentity()

Implemented to satisfy the Explorable interface.

Specified by:

getIdentity in interface Identifiable

Returns:

the name of the Property

getUniqueIdentity

public String getUniqueIdentity()

Implemented to satisfy the Explorable interface.

Specified by:

getUniqueIdentity in interface Identifiable

Returns:

the name of the Property

getUses

public Explorable[] getUses()
                     throws WTException

Implemented to satisfy the Explorable interface.

Specified by:

getUses in interface Explorable

Returns:

null

Throws:

WTException

See Also:

WTException

getContents

public Explorable[] getContents()
                         throws WTException

Implemented to satisfy the Explorable interface.

Specified by:

getContents in interface Explorable

Returns:

null

Throws:

WTException

See Also:

WTException

getObject

public Object getObject()

Implemented to satisfy the Explorable interface.

Specified by:

getObject in interface ReferenceHolder

Returns:

the contained PropertyDescriptor

setObject

public void setObject(Object obj)

Implemented to satisfy the Explorable interface.

Specified by:

setObject in interface ReferenceHolder

getStandardIcon

public Image getStandardIcon()

Implemented to satisfy the Explorable interface.

Specified by:

getStandardIcon in interface Identifiable

Returns:

null

getOpenIcon

public Image getOpenIcon()

Implemented to satisfy the Explorable interface.

Specified by:

getOpenIcon in interface Identifiable

Returns:

null

getName

public String getName()

Return the name attribute from the contained PropertyDescriptor.

getDescription

public String getDescription()

Return the shortDescription attribute from the contained PropertyDescriptor.

getDisplayName

public String getDisplayName()

Return the displayName attribute from the contained PropertyDescriptor.

getPropertyType

public Class getPropertyType()

Return the propertyType attribute from the contained PropertyDescriptor.

getPropertyTypeClassName

public String getPropertyTypeClassName()

Return the name of the propertyType attribute from the contained PropertyDescriptor.

getUpperLimit

public int getUpperLimit()

Return the upper limit specified for the attribute. If nothing is specified, return 0.

See Also:

WTIntrospector.UPPER_LIMIT

getLowerLimit

public int getLowerLimit()

Return the lower limit specified for the attribute. If nothing is specified, return 0.

See Also:

WTIntrospector.LOWER_LIMIT

isRequired

public boolean isRequired()

Determine if the property is required.

Returns:

true if property is required; otherwise, false

See Also:

WTIntrospector.REQUIRED

isUpdateable

public boolean isUpdateable()

Determine if the property is updateable.

Returns:

true if property is updateable; otherwise, false

See Also:

WTIntrospector.UPDATEABLE

isReadable

public boolean isReadable()

Determine if the property is readable (it has a getter() method).

Returns:

true if property is readable; otherwise, false

isWriteable

public boolean isWriteable()

Determine if the property is writeable (it has a setter() method).

Returns:

true if property is writeable; otherwise, false

isWriteable

public boolean isWriteable(Class objectClass)

Determine if the property is writeable (it has a setter() method).

Returns:

true if property is writeable; otherwise, false

isHidden

public boolean isHidden()

Determine if the property is "hidden" .

Returns:

true if property is hidden; otherwise, false

isExpert

public boolean isExpert()

Determine if the property is "expert" .

Returns:

true if property is expert; otherwise, false

getDefinedAs

public String getDefinedAs()

Return where the property was originally defined.

Returns:

a string with a fully qualified class name and the name of the attribute.

getWriteMethod

protected Method getWriteMethod(Class objectClass)

Return a setter method for this property for the specified class.

Note: the normal PropertyDescriptor.getWriteMethod() is not used to avoid security exceptions under the JVM for Netscape Navigator.