Package com.google.gwt.core.ext

Class SubsetFilteringPropertyOracle

java.lang.Object

com.google.gwt.core.ext.SubsetFilteringPropertyOracle

All Implemented Interfaces:

PropertyOracle

public class SubsetFilteringPropertyOracle
extends Object
implements PropertyOracle

A property oracle that prevents access to any properties not named in its predefined set.
Used by the generator driver framework to limit property access for the purpose of forcing generators to accurately declare their property dependencies.

Constructor Summary

Constructors

Constructor	Description
SubsetFilteringPropertyOracle(Set<String> accessiblePropertyNames, PropertyOracle wrappedPropertyOracle, String accessViolationMessage)

Method Summary

Modifier and Type	Method	Description
ConfigurationProperty	getConfigurationProperty(String propertyName)	Attempts to get a named configuration property.
SelectionProperty	getSelectionProperty(TreeLogger logger, String propertyName)	Attempts to get a named deferred binding property.

Methods inherited from class java.lang.Object

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

Constructor Details

SubsetFilteringPropertyOracle

public SubsetFilteringPropertyOracle(Set<String> accessiblePropertyNames,
 PropertyOracle wrappedPropertyOracle,
 String accessViolationMessage)

Method Details

getConfigurationProperty

public ConfigurationProperty getConfigurationProperty(String propertyName)
                                               throws BadPropertyValueException

Description copied from interface: PropertyOracle

Attempts to get a named configuration property. Throws BadPropertyValueException if the property is undefined. The result of invoking this method with the same propertyName must be stable.

Specified by:

getConfigurationProperty in interface PropertyOracle

Returns:

the configuration property instance (never null)

Throws:

BadPropertyValueException - if the property is unknown or not a configuration property

getSelectionProperty

public SelectionProperty getSelectionProperty(TreeLogger logger,
 String propertyName)
                                       throws BadPropertyValueException

Description copied from interface: PropertyOracle

Attempts to get a named deferred binding property. Throws BadPropertyValueException if the property is either undefined or has a value that is unsupported. The result of invoking this method with the same propertyName must be stable.

Specified by:

getSelectionProperty in interface PropertyOracle

Returns:

the selection property instance (never null)

Throws:

BadPropertyValueException - if the property is unknown or not a selection property