//--------------------------------------------------------------------------
// 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 org.apache.ibatis.ognl;
import java.util.List;
import java.util.Map;
/**
* Implementation of PropertyAccessor that uses reflection on the target object's class to
* find a field or a pair of set/get methods with the given property name.
*
* @author Luke Blanshard ([email protected])
* @author Drew Davidson ([email protected])
*/
public class ObjectMethodAccessor implements MethodAccessor {
/* MethodAccessor interface */
public Object callStaticMethod(Map context, Class targetClass, String methodName, Object[] args) throws MethodFailedException {
List methods = OgnlRuntime.getMethods(targetClass, methodName, true);
return OgnlRuntime.callAppropriateMethod((OgnlContext) context, targetClass, null, methodName, null, methods, args);
}
public Object callMethod(Map context, Object target, String methodName, Object[] args) throws MethodFailedException {
Class targetClass = (target == null) ? null : target.getClass();
Object source = target;
List methods = OgnlRuntime.getMethods(targetClass, methodName, false);
if ((methods == null) || (methods.size() == 0)) {
methods = OgnlRuntime.getMethods(targetClass, methodName, true);
source = targetClass;
}
return OgnlRuntime.callAppropriateMethod((OgnlContext) context, target, target, methodName, null, methods, args);
}
}
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