jmplib.util

Class MemberFinder

java.lang.Object

jmplib.util.MemberFinder

public class MemberFinder
extends java.lang.Object

Helper class to find methods inside functional interfaces and resolve generic info.

Author:

Ignacio Lagartos

Constructor Summary

Constructors

Constructor and Description
MemberFinder()

Method Summary

Modifier and Type	Method and Description
static java.lang.reflect.Field	findField(java.lang.Class<?> declaring, java.lang.String name) Find if one field belongs a class
static java.lang.reflect.Method	findMethod(java.lang.Class<?> declaring, java.lang.String name) Find if one method belongs a class
static java.lang.reflect.Method	getMethod(java.lang.Class<?> interfaceClass) Obtains the main method of the functional interface
static java.lang.reflect.Type[]	resolveGenericParameters(java.lang.reflect.Method m, java.lang.Class<?>[] parametrizationClasses) Resolves the generic parameter types of the method
static java.lang.Class<?>[]	resolveGenericParametersToClass(java.lang.reflect.Method m, java.lang.Class<?>[] parametrizationClasses) Resolves the genericity of the method to Class types
static java.lang.reflect.Type	resolveGenericReturn(java.lang.reflect.Method m, java.lang.Class<?>[] parametrizationClasses) Resolves the generic return type of the method

Methods inherited from class java.lang.Object

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

Constructor Detail

MemberFinder

public MemberFinder()

Method Detail

getMethod

public static java.lang.reflect.Method getMethod(java.lang.Class<?> interfaceClass)

Obtains the main method of the functional interface

Parameters:

interfaceClass - Functional interface

Returns:

The method data

findMethod

public static java.lang.reflect.Method findMethod(java.lang.Class<?> declaring,
                                                  java.lang.String name)
                                           throws StructuralIntercessionException,
                                                  java.lang.NoSuchMethodException

Find if one method belongs a class

Parameters:

declaring - The class owner

name - The name of the method

Returns:

The method data

Throws:

StructuralIntercessionException - There are more than one method

java.lang.NoSuchMethodException - If the method doesn't exist

findField

public static java.lang.reflect.Field findField(java.lang.Class<?> declaring,
                                                java.lang.String name)
                                         throws java.lang.NoSuchFieldException

Find if one field belongs a class

Parameters:

declaring - The class owner

name - The name of the field

Returns:

The field data

Throws:

java.lang.NoSuchFieldException - If the field doesn't exist

resolveGenericReturn

public static java.lang.reflect.Type resolveGenericReturn(java.lang.reflect.Method m,
                                                          java.lang.Class<?>[] parametrizationClasses)

Resolves the generic return type of the method

Parameters:

m - Generic method

parametrizationClasses - Parametrization classes

Returns:

Type of the return

resolveGenericParameters

public static java.lang.reflect.Type[] resolveGenericParameters(java.lang.reflect.Method m,
                                                                java.lang.Class<?>[] parametrizationClasses)

Resolves the generic parameter types of the method

Parameters:

m - Generic method

parametrizationClasses - Parametrization classes

Returns:

Type of the parameters

resolveGenericParametersToClass

public static java.lang.Class<?>[] resolveGenericParametersToClass(java.lang.reflect.Method m,
                                                                   java.lang.Class<?>[] parametrizationClasses)

Resolves the genericity of the method to Class types

Parameters:

m - Generic method

parametrizationClasses - Parametrization classes

Returns:

The parametrized parameters