//--------------------------------------------------------------------------
// Copyright (c) 1998-2004, Drew Davidson and Luke Blanshard
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// Neither the name of the Drew Davidson nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
// DAMAGE.
//--------------------------------------------------------------------------
package ariba.util.expr;
import java.util.Map;
/**
* This interface defines methods for callinig methods in a target object.
* Methods are broken up into static and instance methods for convenience.
* indexes into the target object, which must be an array.
* @author Luke Blanshard (blanshlu@netscape.net)
* @author Drew Davidson (drew@ognl.org)
*/
public interface MethodAccessor
{
/**
* Calls the static method named with the arguments given on the class given.
* @param context expression context in which the method should be called
* @param targetClass the object in which the method exists
* @param methodName the name of the method
* @param args the arguments to the method
* @return result of calling the method
* @exception MethodFailedException if there is an error calling the method
*/
Object callStaticMethod( Map context, Class targetClass, String methodName, Object[] args ) throws MethodFailedException;
/**
* Calls the method named with the arguments given.
* @param context expression context in which the method should be called
* @param target the object in which the method exists
* @param methodName the name of the method
* @param args the arguments to the method
* @return result of calling the method
* @exception MethodFailedException if there is an error calling the method
*/
Object callMethod( Map context, Object target, String methodName, Object[] args ) throws MethodFailedException;
}