/*
* Copyright (c) 2004, Marco Petris
* 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 Marco Petris 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 de.petris.dynamicaspects.wrapper;
import java.util.Iterator;
import de.petris.dynamicaspects.ArgumentInfo;
import de.petris.dynamicaspects.BeforeAfterAdvice;
import de.petris.dynamicaspects.ReturnInfo;
/**
* This class handles {@link de.petris.dynamicaspects.BeforeAfterAdvice BeforeAfterAdvice}s,
* installed with the {@link de.petris.dynamicaspects.WeaveType WeaveType.EXECUTION}.
* During method execution the {@link ExecutionMapper ExecutionMapper}
* loads the wrapper for the method and leaves the aspect handling to
* this wrapper.
*
* @author Marco Petris
* @see de.petris.dynamicaspects.BeforeAfterAdvice
* @see de.petris.dynamicaspects.WeaveType
* @see ExecutionMapper
*/
public class ExecutionWrapper extends Wrapper {
private String className;
private String methodSignature;
private String methodName;
private boolean methodIsStatic;
/**
* Creates an instance of this class.
*
* @param className the name of the target class
* @param methodName the name of the target method
* @param methodSignature the signature of the target method
* @param methodIsStatic flag indicates if the target method is static ( true )
*/
public ExecutionWrapper(
String className, String methodName, String methodSignature,
boolean methodIsStatic ) {
this.className = className;
this.methodName = methodName;
this.methodSignature = methodSignature;
this.methodIsStatic = methodIsStatic;
}
/* (non-Javadoc)
* @see de.petris.dynamicaspects.wrapper.Wrapper#after(java.lang.Object, boolean, boolean)
*/
protected void after(
Object returnValue, boolean isException, boolean returnsVoid ) {
ReturnInfo returnInfo
= new ReturnInfo(
returnValue, isException,
returnsVoid );
Iterator<BeforeAfterAdvice> iter =
advices.iterator();
while( iter.hasNext() ) {
iter.next().after( returnInfo );
}
}
/* (non-Javadoc)
* @see de.petris.dynamicaspects.wrapper.Wrapper#before(de.petris.dynamicaspects.ArgumentInfo)
*/
public void before( ArgumentInfo methodInfo ) {
if( methodIsStatic ) {
methodInfo.setStaticTarget( className );
}
methodInfo.setMethodNameSignature(
methodName, methodSignature );
Iterator<BeforeAfterAdvice> iter =
advices.iterator();
while( iter.hasNext() ) {
iter.next().before( methodInfo );
}
}
}