Package org.apache.commons.ognl

Class MapPropertyAccessor

  • All Implemented Interfaces:
    PropertyAccessor
    public class MapPropertyAccessor
extends java.lang.Object
implements PropertyAccessor
    Implementation of PropertyAccessor that sets and gets properties by storing and looking up values in Maps. $Id$

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.Object getProperty​(java.util.Map<java.lang.String,​java.lang.Object> context, java.lang.Object target, java.lang.Object name)
      Extracts and returns the property of the given name from the given target object.
      java.lang.String getSourceAccessor​(OgnlContext context, java.lang.Object target, java.lang.Object index)
      Returns a java string representing the textual method that should be called to access a particular element.
      java.lang.String getSourceSetter​(OgnlContext context, java.lang.Object target, java.lang.Object index)
      Returns a java string representing the textual method that should be called to set a particular element.
      void setProperty​(java.util.Map<java.lang.String,​java.lang.Object> context, java.lang.Object target, java.lang.Object name, java.lang.Object value)
      Sets the value of the property of the given name in the given target object.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • MapPropertyAccessor

        public MapPropertyAccessor()

    • Method Detail

      • getProperty

        public java.lang.Object getProperty​(java.util.Map<java.lang.String,​java.lang.Object> context,
                                    java.lang.Object target,
                                    java.lang.Object name)
                             throws OgnlException
        Description copied from interface: PropertyAccessor
        Extracts and returns the property of the given name from the given target object.
        Specified by:
        getProperty in interface PropertyAccessor
        Parameters:
        context - The current execution context.
        target - the object to get the property from
        name - the name of the property to get.
        Returns:
        the current value of the given property in the given object
        Throws:
        OgnlException - if there is an error locating the property in the given object

      • setProperty

        public void setProperty​(java.util.Map<java.lang.String,​java.lang.Object> context,
                        java.lang.Object target,
                        java.lang.Object name,
                        java.lang.Object value)
                 throws OgnlException
        Description copied from interface: PropertyAccessor
        Sets the value of the property of the given name in the given target object.
        Specified by:
        setProperty in interface PropertyAccessor
        Parameters:
        context - The current execution context.
        target - the object to set the property in
        name - the name of the property to set
        value - the new value for the property.
        Throws:
        OgnlException - if there is an error setting the property in the given object

      • getSourceAccessor

        public java.lang.String getSourceAccessor​(OgnlContext context,
                                          java.lang.Object target,
                                          java.lang.Object index)
        Description copied from interface: PropertyAccessor
        Returns a java string representing the textual method that should be called to access a particular element. (ie "get")
        Specified by:
        getSourceAccessor in interface PropertyAccessor
        Parameters:
        context - The current execution context.
        target - The current object target on the expression tree being evaluated.
        index - The index object that will be placed inside the string to access the value.
        Returns:
        The source accessor method to call.

      • getSourceSetter

        public java.lang.String getSourceSetter​(OgnlContext context,
                                        java.lang.Object target,
                                        java.lang.Object index)
        Description copied from interface: PropertyAccessor
        Returns a java string representing the textual method that should be called to set a particular element. (ie "set")
        Specified by:
        getSourceSetter in interface PropertyAccessor
        Parameters:
        context - The current execution context.
        target - The current object target on the expression tree being evaluated.
        index - The index object that will be placed inside the string to set the value.
        Returns:
        The source setter method to call.