Java Method Call invokeWithoutDeclaredExceptions(Method method, Object target, Object... args)

Description

invoke Without Declared Exceptions

License

Apache License

Declaration

public static Object invokeWithoutDeclaredExceptions(Method method, Object target, Object... args) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.UndeclaredThrowableException;

public class Main {
    public static Object invokeWithoutDeclaredExceptions(Method method, Object target, Object... args) {
        try {/*from  w w w  .  j  a v  a2  s.c o m*/
            return doInvoke(method, target, args);
        } catch (Throwable t) {
            throw uncheck(t);
        }
    }

    private static Object doInvoke(Method method, Object target, Object... args) throws Throwable {
        try {
            return method.invoke(target, args);
        } catch (InvocationTargetException e) {
            throw e.getCause();
        }
    }

    private static RuntimeException uncheck(Throwable t) {
        if (t instanceof RuntimeException) {
            throw (RuntimeException) t;
        }
        if (t instanceof Error) {
            throw (Error) t;
        }
        throw new UndeclaredThrowableException(t);
    }
}

Related

1. invokeVirtual(String methodName, Object onObj, Class[] declaredArgTypes, Object... withArgs)
2. invokeVirtual(T o, Method method, Object... pa)
3. invokeVoid(MethodHandle mh)
4. invokeVoidNoArgMethod(Class declaringClass, String methodName, Object instance)
5. invokeVoidSafe(Object obj, String methodName, Class paramClass, Object param)
6. invokeWithoutInvocationException(Method m, Object obj, Object... args)