com.caucho.el
Class AbstractVariableResolver

java.lang.Object
  extended by javax.el.ELResolver
      extended by com.caucho.el.AbstractVariableResolver
Direct Known Subclasses:
ConfigPropertiesResolver, EnvironmentResolver, EnvironmentVariableResolver, PageContextELResolver, SystemPropertiesResolver

public class AbstractVariableResolver
extends ELResolver

Abstract variable resolver. Supports chaining and the "Var" special variable.


Field Summary
 
Fields inherited from class javax.el.ELResolver
RESOLVABLE_AT_DESIGN_TIME, TYPE
 
Constructor Summary
AbstractVariableResolver()
          Creates the resolver
AbstractVariableResolver(ELResolver next)
          Creates the resolver
 
Method Summary
 java.lang.Class<?> getCommonPropertyType(ELContext context, java.lang.Object base)
           
 java.util.Iterator<java.beans.FeatureDescriptor> getFeatureDescriptors(ELContext context, java.lang.Object base)
           
 ELResolver getNext()
          Returns the next resolver.
 java.lang.Class<?> getType(ELContext context, java.lang.Object base, java.lang.Object property)
           
 java.lang.Object getValue(ELContext context, java.lang.Object base, java.lang.Object property)
          Returns the named variable value.
 boolean isReadOnly(ELContext context, java.lang.Object base, java.lang.Object property)
           
 void setValue(ELContext context, java.lang.Object base, java.lang.Object property, java.lang.Object value)
           
 java.lang.String toString()
           
 
Methods inherited from class javax.el.ELResolver
invoke
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

AbstractVariableResolver

public AbstractVariableResolver()
Creates the resolver


AbstractVariableResolver

public AbstractVariableResolver(ELResolver next)
Creates the resolver

Method Detail

getNext

public ELResolver getNext()
Returns the next resolver.


getValue

public java.lang.Object getValue(ELContext context,
                                 java.lang.Object base,
                                 java.lang.Object property)
Returns the named variable value.

Specified by:
getValue in class ELResolver

getCommonPropertyType

public java.lang.Class<?> getCommonPropertyType(ELContext context,
                                                java.lang.Object base)
Specified by:
getCommonPropertyType in class ELResolver

getFeatureDescriptors

public java.util.Iterator<java.beans.FeatureDescriptor> getFeatureDescriptors(ELContext context,
                                                                              java.lang.Object base)
Specified by:
getFeatureDescriptors in class ELResolver

getType

public java.lang.Class<?> getType(ELContext context,
                                  java.lang.Object base,
                                  java.lang.Object property)
Specified by:
getType in class ELResolver

isReadOnly

public boolean isReadOnly(ELContext context,
                          java.lang.Object base,
                          java.lang.Object property)
                   throws PropertyNotFoundException,
                          ELException
Specified by:
isReadOnly in class ELResolver
Throws:
PropertyNotFoundException
ELException

setValue

public void setValue(ELContext context,
                     java.lang.Object base,
                     java.lang.Object property,
                     java.lang.Object value)
              throws PropertyNotFoundException,
                     PropertyNotWritableException,
                     ELException
Specified by:
setValue in class ELResolver
Throws:
PropertyNotFoundException
PropertyNotWritableException
ELException

toString

public java.lang.String toString()
Overrides:
toString in class java.lang.Object