/*
* 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 java.io.StringReader;
import javassist.CtClass;
import javassist.NotFoundException;
import javassist.expr.MethodCall;
import javassist.expr.NewExpr;
import org.jboss.aop.Advisor;
import org.jboss.aop.pointcut.ast.ASTStart;
import org.jboss.aop.pointcut.ast.ParseException;
import org.jboss.aop.pointcut.ast.PointcutExpressionParser;
import org.jboss.aop.pointcut.ast.TypeExpressionParser;
/**
*
* @author <a href="mailto:kabir.khan@jboss.org">Kabir Khan</a>
* @version $Revision: 70842 $
*/
public class DeclareDef
{
String name;
String expr;
boolean warning;
String msg;
ASTStart ast;
boolean pointcut;
public DeclareDef(String name, String expr, boolean warning, String msg) throws ParseException
{
this.name = name;
this.expr = expr;
this.warning = warning;
this.msg = msg;
try
{
ast = new PointcutExpressionParser(new StringReader(expr)).Start();
pointcut = true;
}
catch (ParseException pe)
{
try
{
ast = new TypeExpressionParser(new StringReader(expr)).Start();
}
catch (ParseException te)
{
StringBuffer sb = new StringBuffer("The expression '" +
expr + "' resolves to neither a pointcut nor a type expression");
sb.append("\n\nPointcut parse error:\n");
sb.append(pe.getMessage());
sb.append("\n\nType expression parse error:\n");
sb.append(te.getMessage());
throw new ParseException(sb.toString());
}
}
}
public ASTStart getAst()
{
return ast;
}
public String getExpr()
{
return expr;
}
public String getName()
{
return name;
}
public boolean getWarning()
{
return warning;
}
public String getMsg()
{
return msg;
}
/**
* @return true if a pointcut expression, false if a type expression
*/
public boolean isPointcut()
{
return pointcut;
}
public boolean matches(Advisor advisor, CtClass clazz)
{
if (pointcut)return false;
DeclareTypeMatcher matcher = new DeclareTypeMatcher(advisor, clazz);
return ((Boolean) ast.jjtAccept(matcher, null)).booleanValue();
}
public boolean matches(Advisor advisor, Class<?> clazz)
{
if (pointcut)return false;
DeclareTypeMatcher matcher = new DeclareTypeMatcher(advisor, clazz);
return ((Boolean) ast.jjtAccept(matcher, null)).booleanValue();
}
public boolean matchesCall(Advisor callingAdvisor, MethodCall methodCall) throws NotFoundException
{
if (!pointcut)return false;
MethodCallMatcher matcher = new MethodCallMatcher(callingAdvisor, methodCall, ast);
return matcher.matches();
}
public boolean matchesCall(Advisor callingAdvisor, NewExpr methodCall) throws NotFoundException
{
if (!pointcut)return false;
NewExprMatcher matcher = new NewExprMatcher(callingAdvisor, methodCall, ast);
return matcher.matches();
}
}