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/*
* Copyright (C) 2003-2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.chromattic.spi.instrument;
import java.lang.reflect.Method;
/**
* @author Julien Viet
* @version $Revision$
*/
public interface MethodHandler {
/**
* Invokes a zero argument method.
*
* @param o the target
* @param method the method to invoke
* @return the invocation returned value
* @throws Throwable any throwable
*/
Object invoke(Object o, Method method) throws Throwable;
/**
* Invokes a one argument method.
*
* @param o the target
* @param method the method to invoke
* @param arg the method argument
* @return the invocation returned value
* @throws Throwable any throwable
*/
Object invoke(Object o, Method method, Object arg) throws Throwable;
/**
* Invokes a multi argument method.
*
* @param o the target
* @param method the method to invoke
* @param args the method arguments packed in an array
* @return the invocation returned value
* @throws Throwable any throwable
*/
Object invoke(Object o, Method method, Object[] args) throws Throwable;
}