grammarscope.tweak

Class Invoke

java.lang.Object

grammarscope.tweak.Invoke

public final class Invoke
extends java.lang.Object

Utility class to invoke class methods dynamically

Author:

Bernard Bou

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Invoke()

Method Summary

Modifier and Type	Method and Description
static <T> T	invoke(java.lang.String className, java.lang.String methodName, java.lang.Object... args) Dynamically invoke method (exception guarded)
static <T> T	invokeUnguarded(java.lang.String className, java.lang.String methodName, java.lang.Object... args) Dynamically invoke method (exception unguarded)
static boolean	loadUnguarded(java.lang.String className) Dynamically load class (exception unguarded)

Methods inherited from class java.lang.Object

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

Constructor Detail

Invoke

private Invoke()

Method Detail

loadUnguarded

public static boolean loadUnguarded(java.lang.String className)
                             throws java.lang.ClassNotFoundException

Dynamically load class (exception unguarded)

Parameters:

className - class name

Returns:

always true

Throws:

java.lang.ClassNotFoundException - exception

java.lang.SecurityException - exception

invokeUnguarded

public static <T> T invokeUnguarded(java.lang.String className,
                                    java.lang.String methodName,
                                    java.lang.Object... args)
                             throws java.lang.ClassNotFoundException,
                                    java.lang.SecurityException,
                                    java.lang.NoSuchMethodException,
                                    java.lang.IllegalArgumentException,
                                    java.lang.IllegalAccessException,
                                    java.lang.reflect.InvocationTargetException

Dynamically invoke method (exception unguarded)

Type Parameters:

T - type of result

Parameters:

className - class name

methodName - method name

args - arguments

Returns:

result

Throws:

java.lang.ClassNotFoundException - exception

java.lang.SecurityException - exception

java.lang.NoSuchMethodException - exception

java.lang.IllegalArgumentException - exception

java.lang.IllegalAccessException - exception

java.lang.reflect.InvocationTargetException - exception

invoke

public static <T> T invoke(java.lang.String className,
                           java.lang.String methodName,
                           java.lang.Object... args)

Dynamically invoke method (exception guarded)

Type Parameters:

T - type of result

Parameters:

className - class name

methodName - method name

args - arguments

Returns:

result