com.webmethods.caf.faces.data
Class ContentProviderUtils

java.lang.Object
  com.webmethods.caf.faces.data.ContentProviderUtils

public class ContentProviderUtils
extends Object

Utility functions for content providers. Should not be used by clients directly.

Constructor Summary

ContentProviderUtils()

Method Summary

static Object	evaluateBinding(Object provider, String providerVariable, ValueBinding binding) Evaluates the specified binding in the context of the specified content provider, using the specified provider variable.
static Object	evaluateRowBinding(ITableContentProvider table, ValueBinding binding) Evaluates the specified binding in the context of the specified table's current row, using the the row variable specified by ITableContentProvider.getRowVariable().
static PropertyDescriptor	getPropertyDescriptor(Class c, Object propertyKey) Get descriptor for property specified by name.
static Object[]	getPropertyKeys(Object o) Returns property keys for object.
static Class	getType(Class c, Object propertyKey) Returns property type for a class.
static Class	getType(Object o, Object propertyKey) Returns property type for object.
static Object	getValue(Object o, Object propertyKey) Returns property value for object.
static boolean	hasProperty(Class c, Object propertyKey) Checks if a property exists for a Class.
static boolean	hasProperty(Object o, Object propertyKey) Checks if a property exists for object.
static boolean	isReadOnly(Class c, Object propertyKey) Checks if a property is editable for a Class .
static boolean	isReadOnly(Object o, Object propertyKey) Checks if a property is editable for a object.
static void	setValue(Object o, Object propertyKey, Object value) Set value for property in an object.

Methods inherited from class java.lang.Object

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

Constructor Detail

ContentProviderUtils

public ContentProviderUtils()

Method Detail

getPropertyKeys

public static Object[] getPropertyKeys(Object o)

Returns property keys for object.

Parameters:

o - Object containing the properties

Returns:

Object[] of all the property keys

getType

public static Class getType(Object o,
                            Object propertyKey)
                     throws PropertyNotFoundException

Returns property type for object.

Parameters:

o - Object containing the property

propertyKey - the property key of type String or Integer

Returns:

Class of the property

Throws:

PropertyNotFoundException - if the object does not have the propertyKey

getType

public static Class getType(Class c,
                            Object propertyKey)
                     throws PropertyNotFoundException

Returns property type for a class.

Parameters:

c - Class containing the property

propertyKey - the property key of type String or Integer

Returns:

Class of the property

Throws:

PropertyNotFoundException - if the class does not have the propertyKey

getValue

public static Object getValue(Object o,
                              Object propertyKey)
                       throws EvaluationException,
                              PropertyNotFoundException

Returns property value for object.

Parameters:

o - Object containing the property

propertyKey - the property key of type String or Integer

Returns:

Object value against the property

Throws:

EvaluationException - if error during property evaluation

PropertyNotFoundException - if the object does not have the propertyKey

hasProperty

public static boolean hasProperty(Object o,
                                  Object propertyKey)

Checks if a property exists for object.

Parameters:

o - Object containing the property

propertyKey - the property key of type String or Integer

Returns:

true if the property exists, false otherwise

hasProperty

public static boolean hasProperty(Class c,
                                  Object propertyKey)

Checks if a property exists for a Class.

Parameters:

o - Class containing the property

propertyKey - the property key of type String or Integer

Returns:

true if the property exists, false otherwise

isReadOnly

public static boolean isReadOnly(Object o,
                                 Object propertyKey)
                          throws EvaluationException,
                                 PropertyNotFoundException

Checks if a property is editable for a object.

Parameters:

o - Object containing the property

propertyKey - the property key of type String or Integer

Returns:

true if the property is editable, false otherwise

Throws:

PropertyNotFoundException - if the object does not have the propertyKey

EvaluationException

isReadOnly

public static boolean isReadOnly(Class c,
                                 Object propertyKey)
                          throws PropertyNotFoundException

Checks if a property is editable for a Class .

Parameters:

o - Class containing the property

propertyKey - the property key of type String or Integer

Returns:

true if the property is editable, false otherwise

Throws:

PropertyNotFoundException - if the object does not have the propertyKey

setValue

public static void setValue(Object o,
                            Object propertyKey,
                            Object value)
                     throws EvaluationException,
                            PropertyNotFoundException

Set value for property in an object.

Parameters:

o - Object containing the property

propertyKey - the property key of type String or Integer

value - Object value against the property

Throws:

EvaluationException - if error during property evaluation

PropertyNotFoundException - if the object does not have the propertyKey

evaluateBinding

public static Object evaluateBinding(Object provider,
                                     String providerVariable,
                                     ValueBinding binding)

Evaluates the specified binding in the context of the specified content provider, using the specified provider variable.

Parameters:

provider - content provider

providerVariable - provider variable

binding - ValueBinding

Returns:

the evaluated value

evaluateRowBinding

public static Object evaluateRowBinding(ITableContentProvider table,
                                        ValueBinding binding)

Evaluates the specified binding in the context of the specified table's current row, using the the row variable specified by ITableContentProvider.getRowVariable().

Parameters:

table - ITableContentProvider

binding - ValueBinding

Returns:

the evaluated value

getPropertyDescriptor

public static PropertyDescriptor getPropertyDescriptor(Class c,
                                                       Object propertyKey)

Get descriptor for property specified by name.

Parameters:

c - Class containing the property

propertyKey - the property key of type String or Integer

Returns:

PropertyDescriptor, or null if not found.