Class MethodLookupUtils


  • public class MethodLookupUtils
    extends java.lang.Object
    Method lookup utilities, which find static and non-static methods as well as constructors based on a name and list of parameters.
    Version:
    $Revision: 670727 $ $Date: 2008-06-23 15:10:38 -0500 (Mon, 23 Jun 2008) $
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.reflect.Constructor lookupConstructor​(java.lang.Class targetClass, java.lang.Object[] parameters)
      Look up a constructor.
      static java.lang.reflect.Method lookupMethod​(java.lang.Class targetClass, java.lang.String name, java.lang.Object[] parameters)
      Look up a method.
      static java.lang.reflect.Method lookupStaticMethod​(java.lang.Class targetClass, java.lang.String name, java.lang.Object[] parameters)
      Look up a static method.
      private static int matchParameterTypes​(java.lang.Class[] types, java.lang.Object[] parameters)
      Return a match code of objects to types.
      private static int matchType​(java.lang.Class expected, java.lang.Object object)
      Return a match code between an object and type.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • MethodLookupUtils

        public MethodLookupUtils()
    • Method Detail

      • lookupConstructor

        public static java.lang.reflect.Constructor lookupConstructor​(java.lang.Class targetClass,
                                                                      java.lang.Object[] parameters)
        Look up a constructor.
        Parameters:
        targetClass - the class constructed
        parameters - arguments
        Returns:
        Constructor found if any.
      • lookupStaticMethod

        public static java.lang.reflect.Method lookupStaticMethod​(java.lang.Class targetClass,
                                                                  java.lang.String name,
                                                                  java.lang.Object[] parameters)
        Look up a static method.
        Parameters:
        targetClass - the owning class
        name - method name
        parameters - method parameters
        Returns:
        Method found if any
      • lookupMethod

        public static java.lang.reflect.Method lookupMethod​(java.lang.Class targetClass,
                                                            java.lang.String name,
                                                            java.lang.Object[] parameters)
        Look up a method.
        Parameters:
        targetClass - owning class
        name - method name
        parameters - method parameters
        Returns:
        Method found if any
      • matchParameterTypes

        private static int matchParameterTypes​(java.lang.Class[] types,
                                               java.lang.Object[] parameters)
        Return a match code of objects to types.
        Parameters:
        types - Class[] of expected types
        parameters - Object[] to attempt to match
        Returns:
        int code
      • matchType

        private static int matchType​(java.lang.Class expected,
                                     java.lang.Object object)
        Return a match code between an object and type.
        Parameters:
        expected - class to test
        object - object to test
        Returns:
        int code