Class DynamicPropertiedELResolver


  • public class DynamicPropertiedELResolver
    extends BeanELResolver
    A resolver to resolve value base on BeanELResolver and DynamicPropertied. It only handle evaluation when a base object's type is DynamicPropertied
    Since:
    6.5.1
    Author:
    dennis
    • Constructor Detail

      • DynamicPropertiedELResolver

        public DynamicPropertiedELResolver()
    • Method Detail

      • getValue

        public java.lang.Object getValue​(ELContext context,
                                         java.lang.Object base,
                                         java.lang.Object property)
                                  throws java.lang.NullPointerException,
                                         PropertyNotFoundException,
                                         ELException
        Overrides:
        getValue in class BeanELResolver
        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
        Throws:
        java.lang.NullPointerException - If the supplied context is null
        PropertyNotFoundException - If the base/property combination provided to the resolver is one that the resolver can handle but no match was found or a match was found but was not readable
        ELException - Wraps any exception throw whilst resolving the property
      • getType

        public java.lang.Class<?> getType​(ELContext context,
                                          java.lang.Object base,
                                          java.lang.Object property)
                                   throws java.lang.NullPointerException,
                                          PropertyNotFoundException,
                                          ELException
        Overrides:
        getType in class BeanELResolver
        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 type of the provided property
        Throws:
        java.lang.NullPointerException - If the supplied context is null
        PropertyNotFoundException - If the base/property combination provided to the resolver is one that the resolver can handle but no match was found or a match was found but was not readable
        ELException - Wraps any exception throw whilst resolving the property
      • setValue

        public void setValue​(ELContext context,
                             java.lang.Object base,
                             java.lang.Object property,
                             java.lang.Object value)
                      throws java.lang.NullPointerException,
                             PropertyNotFoundException,
                             PropertyNotWritableException,
                             ELException
        Overrides:
        setValue in class BeanELResolver
        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
        Throws:
        java.lang.NullPointerException - If the supplied context is null
        PropertyNotFoundException - If the base/property combination provided to the resolver is one that the resolver can handle but no match was found
        PropertyNotWritableException - If the base/property combination provided to the resolver is one that the resolver can handle but the property was not writable
        ELException - Wraps any exception throw whilst resolving the property
      • isReadOnly

        public boolean isReadOnly​(ELContext context,
                                  java.lang.Object base,
                                  java.lang.Object property)
                           throws java.lang.NullPointerException,
                                  PropertyNotFoundException,
                                  ELException
        Overrides:
        isReadOnly in class BeanELResolver
        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
        Throws:
        java.lang.NullPointerException - If the supplied context is null
        PropertyNotFoundException - If the base/property combination provided to the resolver is one that the resolver can handle but no match was found
        ELException - Wraps any exception throw whilst resolving the property
      • invoke

        public java.lang.Object invoke​(ELContext context,
                                       java.lang.Object base,
                                       java.lang.Object method,
                                       java.lang.Class<?>[] paramTypes,
                                       java.lang.Object[] params)
        Description copied from class: ELResolver
        Invokes a method on the the given object. This default implementation always returns null.
        Overrides:
        invoke in class BeanELResolver
        Parameters:
        context - The EL context for this evaluation
        base - The base object on which the method is to be found
        method - The method to invoke
        paramTypes - The types of the parameters of the method to invoke
        params - The parameters with which to invoke the method
        Returns:
        Always null