org.apache.velocity.util.introspection

Class ClassMap

java.lang.Object

org.apache.velocity.util.introspection.ClassMap

public class ClassMap
extends Object

A cache of introspection information for a specific class instance. Keys Method objects by a concatenation of the method name and the names of classes that make up the parameters.

Version:

$Id: ClassMap.java 1855206 2019-03-11 11:09:53Z cbrisson $

Author:

Jason van Zyl, Bob McWhirter, Attila Szegedi, Geir Magnusson Jr., Henning P. Schmiedehausen, Nathan Bubna, Claude Brisson

Constructor Summary

Constructors

Constructor and Description
ClassMap(Class clazz, org.slf4j.Logger log) Standard constructor
ClassMap(Class clazz, org.slf4j.Logger log, TypeConversionHandler conversionHandler) Standard constructor

Method Summary

Modifier and Type	Method and Description
Method	findMethod(String name, Object[] params) Find a Method using the method name and parameter objects.
Class	getCachedClass() Returns the class object whose methods are cached by this map.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassMap

public ClassMap(Class clazz,
                org.slf4j.Logger log)

Standard constructor

Parameters:

clazz - The class for which this ClassMap gets constructed.

log - logger

ClassMap

public ClassMap(Class clazz,
                org.slf4j.Logger log,
                TypeConversionHandler conversionHandler)

Standard constructor

Parameters:

clazz - The class for which this ClassMap gets constructed.

log - logger

conversionHandler - conversion handler

Since:

2.0

Method Detail

getCachedClass

public Class getCachedClass()

Returns the class object whose methods are cached by this map.

Returns:

The class object whose methods are cached by this map.

findMethod

public Method findMethod(String name,
                         Object[] params)
                  throws MethodMap.AmbiguousException

Find a Method using the method name and parameter objects.

Parameters:

name - The method name to look up.

params - An array of parameters for the method.

Returns:

A Method object representing the method to invoke or null.

Throws:

MethodMap.AmbiguousException - When more than one method is a match for the parameters.