Package javax.el

Class MapELResolver

java.lang.Object
javax.el.ELResolver
javax.el.MapELResolver
public class MapELResolver extends ELResolver

  • Constructor Details

    • MapELResolver

      public MapELResolver()

    • MapELResolver

      public MapELResolver(boolean readOnly)

  • Method Details

    • getType

      public Class<?> getType(ELContext context, Object base, Object property)
      Description copied from class: ELResolver
      Obtain the most generally acceptable type that may be used to set the given property on the given object using the given context.
      Specified by:
      getType in class ELResolver
      Parameters:
      context - The EL context for this evaluation
      base - The base object on which the property is to be found
      property - The property whose type is to be returned
      Returns:
      the most general type that maybe used to set the provided property or null if the resolver is read-only.

    • getValue

      public Object getValue(ELContext context, Object base, Object property)
      Description copied from class: ELResolver
      Obtain the value of the given property on the given object using the given context.
      Specified by:
      getValue in class ELResolver
      Parameters:
      context - The EL context for this evaluation
      base - The base object on which the property is to be found
      property - The property whose value is to be returned
      Returns:
      the value of the provided property

    • setValue

      public void setValue(ELContext context, Object base, Object property, Object value)
      Description copied from class: ELResolver
      Set the value of the given property on the given object using the given context.
      Specified by:
      setValue in class ELResolver
      Parameters:
      context - The EL context for this evaluation
      base - The base object on which the property is to be found
      property - The property whose value is to be set
      value - The value to set the property to

    • isReadOnly

      public boolean isReadOnly(ELContext context, Object base, Object property)
      Description copied from class: ELResolver
      Determine if the given property on the given object is read-only using the given context.
      Specified by:
      isReadOnly in class ELResolver
      Parameters:
      context - The EL context for this evaluation
      base - The base object on which the property is to be found
      property - The property to be checked for read only status
      Returns:
      true if the identified property is read only, otherwise false

    • getFeatureDescriptors

      public Iterator<FeatureDescriptor> getFeatureDescriptors(ELContext context, Object base)
      Description copied from class: ELResolver
      Obtain the feature descriptors for the resolvable properties of the given object.
      Specified by:
      getFeatureDescriptors in class ELResolver
      Parameters:
      context - The context in which the examination takes place
      base - The object to examine
      Returns:
      An iterator, possibly empty, of feature descriptors of the given object

    • getCommonPropertyType

      public Class<?> getCommonPropertyType(ELContext context, Object base)
      Description copied from class: ELResolver
      Obtain the most common type that is acceptable for the given base object.
      Specified by:
      getCommonPropertyType in class ELResolver
      Parameters:
      context - The context in which the examination takes place
      base - The object to examine
      Returns:
      {code null} if the most common type cannot be determine, otherwise the most common type