ch.icosys.popjava.core.util

Class MethodUtil

java.lang.Object

ch.icosys.popjava.core.util.MethodUtil

public class MethodUtil
extends java.lang.Object

Utilities to be used with methods

Constructor Summary

Constructors

Constructor and Description
MethodUtil()

Method Summary

Modifier and Type	Method and Description
static int	constructorId(java.lang.reflect.Constructor<?> constructor) Generate an ID
static <T extends java.lang.annotation.Annotation> T	getAnnotation(java.lang.annotation.Annotation[] annotations, java.lang.Class<T> clazz) Get the annotation we are looking for
static java.lang.String	getCaller() Get the caller of the method
static <A extends java.lang.annotation.Annotation> A	getMethodPOPAnnotation(java.lang.reflect.Method m, java.lang.Class<A> type) Get the specified annotation if it exist, if it does it will check the hierarchy to see if it was not changed from previous declarations.
static void	grant(java.lang.String... signatures) Whitelist for method access This only work with POJO, for POP Object use
static boolean	hasAnnotation(java.lang.annotation.Annotation[] annotations, java.lang.Class<? extends java.lang.annotation.Annotation> clazz) Check if an array of annotations contains a specific type of annotation
static boolean	isMethodPOPAnnotated(java.lang.reflect.Method method) Tell if a given method as a POPSync* or POPAsync* annotation.
static int	methodId(java.lang.reflect.Method method) Generate an ID or use the one specified

Methods inherited from class java.lang.Object

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

Constructor Detail

MethodUtil

public MethodUtil()

Method Detail

isMethodPOPAnnotated

public static boolean isMethodPOPAnnotated(java.lang.reflect.Method method)

Tell if a given method as a POPSync* or POPAsync* annotation.

Parameters:

method - a method

Returns:

true if the annotation is found, false otherwise

getMethodPOPAnnotation

public static <A extends java.lang.annotation.Annotation> A getMethodPOPAnnotation(java.lang.reflect.Method m,
                                                                                   java.lang.Class<A> type)

Get the specified annotation if it exist, if it does it will check the hierarchy to see if it was not changed from previous declarations.

Type Parameters:

A - The wanted annotation

Parameters:

m - The method to check

type - The class of

Returns:

the annotation or null if not found

Throws:

java.lang.RuntimeException - when the POP annotation soddenly change from a previous implementation

methodId

public static int methodId(java.lang.reflect.Method method)

Generate an ID or use the one specified

Parameters:

method - the method we want the ID of

Returns:

a numeric positive id (greater than 0)

constructorId

public static int constructorId(java.lang.reflect.Constructor<?> constructor)

Generate an ID

Parameters:

constructor - a constructor

Returns:

a numeric positive id for the constructor

hasAnnotation

public static boolean hasAnnotation(java.lang.annotation.Annotation[] annotations,
                                    java.lang.Class<? extends java.lang.annotation.Annotation> clazz)

Check if an array of annotations contains a specific type of annotation

Parameters:

annotations - an annotation array

clazz - the annotation type we want to find in the array

Returns:

true if found, false otherwise

getAnnotation

public static <T extends java.lang.annotation.Annotation> T getAnnotation(java.lang.annotation.Annotation[] annotations,
                                                                          java.lang.Class<T> clazz)

Get the annotation we are looking for

Type Parameters:

T - the type of annotation

Parameters:

annotations - an array of annotations

clazz - the annotation type we want to find in the array

Returns:

the found annotation or null

getCaller

public static java.lang.String getCaller()

Get the caller of the method

Returns:

a string with the method calling the method

grant

public static void grant(java.lang.String... signatures)

Whitelist for method access This only work with POJO, for POP Object use

Parameters:

signatures - [class].[method] list of whitelisted method