/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.jboss.aop.pointcut;
import org.jboss.aop.joinpoint.ConstructorCalledByConstructorInvocation;
import org.jboss.aop.joinpoint.ConstructorCalledByMethodInvocation;
import org.jboss.aop.joinpoint.ConstructorInvocation;
import org.jboss.aop.joinpoint.FieldReadInvocation;
import org.jboss.aop.joinpoint.FieldWriteInvocation;
import org.jboss.aop.joinpoint.Invocation;
import org.jboss.aop.joinpoint.MethodCalledByConstructorInvocation;
import org.jboss.aop.joinpoint.MethodCalledByMethodInvocation;
import org.jboss.aop.joinpoint.MethodInvocation;
import org.jboss.aop.pointcut.ast.ParseException;
/**
* Allows you to match an Invocation to a given joinpoint.
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 46033 $
*/
public class JoinPointMatcher
{
Pointcut p;
/**
* @param expr a pointcut expression to match against
* @throws ParseException
*/
public JoinPointMatcher(String expr) throws ParseException
{
p = new PointcutExpression("test", expr);
}
public boolean matches(Invocation invocation)
{
if (invocation instanceof MethodInvocation)
{
MethodInvocation mi = (MethodInvocation) invocation;
PointcutMethodMatch pmatch = p.matchesExecution(mi.getAdvisor(), mi.getMethod());
if (pmatch == null)
{
return false;
}
return pmatch.isMatch();
}
else if (invocation instanceof ConstructorInvocation)
{
ConstructorInvocation mi = (ConstructorInvocation) invocation;
return p.matchesExecution(mi.getAdvisor(), mi.getConstructor());
}
else if (invocation instanceof FieldReadInvocation)
{
FieldReadInvocation mi = (FieldReadInvocation) invocation;
return p.matchesGet(mi.getAdvisor(), mi.getField());
}
else if (invocation instanceof FieldWriteInvocation)
{
FieldWriteInvocation mi = (FieldWriteInvocation) invocation;
return p.matchesSet(mi.getAdvisor(), mi.getField());
}
else if (invocation instanceof MethodCalledByMethodInvocation)
{
MethodCalledByMethodInvocation mi = (MethodCalledByMethodInvocation) invocation;
return p.matchesCall(mi.getAdvisor(), mi.getCallingMethod(), mi.getCalledMethod().getDeclaringClass(), mi.getCalledMethod());
}
else if (invocation instanceof MethodCalledByConstructorInvocation)
{
MethodCalledByConstructorInvocation mi = (MethodCalledByConstructorInvocation) invocation;
return p.matchesCall(mi.getAdvisor(), mi.getCalling(), mi.getCalledMethod().getDeclaringClass(), mi.getCalledMethod());
}
else if (invocation instanceof ConstructorCalledByConstructorInvocation)
{
ConstructorCalledByConstructorInvocation mi = (ConstructorCalledByConstructorInvocation) invocation;
return p.matchesCall(mi.getAdvisor(), mi.getCallingConstructor(), mi.getCalledConstructor().getDeclaringClass(), mi.getCalledConstructor());
}
else if (invocation instanceof ConstructorCalledByMethodInvocation)
{
ConstructorCalledByMethodInvocation mi = (ConstructorCalledByMethodInvocation) invocation;
return p.matchesCall(mi.getAdvisor(), mi.getCallingMethod(), mi.getCalledConstructor().getDeclaringClass(), mi.getCalledConstructor());
}
throw new RuntimeException("UNKNOWN JOINPOINT TYPE: " + invocation.getClass().getName());
}
}