/*
* 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.Advisor;
import org.jboss.aop.ClassAdvisor;
import org.jboss.aop.pointcut.ast.ASTAll;
import org.jboss.aop.pointcut.ast.ASTAllParameter;
import org.jboss.aop.pointcut.ast.ASTAndCFlow;
import org.jboss.aop.pointcut.ast.ASTAttribute;
import org.jboss.aop.pointcut.ast.ASTCFlow;
import org.jboss.aop.pointcut.ast.ASTCFlowBoolean;
import org.jboss.aop.pointcut.ast.ASTCFlowExpression;
import org.jboss.aop.pointcut.ast.ASTCall;
import org.jboss.aop.pointcut.ast.ASTCompositeCFlow;
import org.jboss.aop.pointcut.ast.ASTConstruction;
import org.jboss.aop.pointcut.ast.ASTConstructor;
import org.jboss.aop.pointcut.ast.ASTExecution;
import org.jboss.aop.pointcut.ast.ASTField;
import org.jboss.aop.pointcut.ast.ASTFieldExecution;
import org.jboss.aop.pointcut.ast.ASTGet;
import org.jboss.aop.pointcut.ast.ASTHas;
import org.jboss.aop.pointcut.ast.ASTHasField;
import org.jboss.aop.pointcut.ast.ASTMethod;
import org.jboss.aop.pointcut.ast.ASTNotCFlow;
import org.jboss.aop.pointcut.ast.ASTOrCFlow;
import org.jboss.aop.pointcut.ast.ASTParameter;
import org.jboss.aop.pointcut.ast.ASTSet;
import org.jboss.aop.pointcut.ast.ASTStart;
import org.jboss.aop.pointcut.ast.ASTSubCFlow;
import org.jboss.aop.pointcut.ast.ASTWithin;
import org.jboss.aop.pointcut.ast.ASTWithincode;
import org.jboss.aop.pointcut.ast.ClassExpression;
import org.jboss.aop.pointcut.ast.Node;
import org.jboss.aop.pointcut.ast.SimpleNode;
/**
* Comment
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 43697 $
*/
public class SoftClassMatcher extends MatcherHelper
{
protected Advisor advisor;
protected String classname;
protected boolean match = false;
protected Class clazz;
public SoftClassMatcher(Advisor advisor, String classname, ASTStart start)
{
super(start, advisor.getManager());
this.advisor = advisor;
this.classname = classname;
this.start = start;
clazz = advisor.getClazz();
}
protected Boolean resolvePointcut(Pointcut p)
{
return new Boolean(p.softMatch(advisor));
}
public Object visit(ASTCall node, Object data)
{
return node.getBehavior().jjtAccept(this, null);
}
public Object visit(ASTAll node, Object data)
{
return matches(node.getClazz());
}
public Boolean matches(ClassExpression expr)
{
if (expr.isAnnotation())
{
if (advisor == null) return Boolean.TRUE;
if (clazz == null) return Boolean.TRUE;
String sub = expr.getOriginal().substring(1);
if (!advisor.getClassMetaData().hasTag(sub))
{
try
{
if (clazz == null) return Boolean.TRUE;
if (!advisor.hasAnnotation(sub)) return Boolean.FALSE;
}
catch (Exception e)
{
throw new RuntimeException(e); //To change body of catch statement use Options | File Templates.
}
}
}
else if (expr.isInstanceOf())
{
if (clazz == null) return Boolean.TRUE;
if (!Util.subtypeOf(clazz, expr, advisor)) return Boolean.FALSE;
}
else if (expr.isTypedef())
{
if (clazz == null) return Boolean.TRUE; //Is this return correct?
if (!Util.matchesTypedef(clazz, expr, advisor)) return Boolean.FALSE;
}
else
{
if (!expr.matches(classname)) return Boolean.FALSE;
}
return Boolean.TRUE;
}
public Object visit(ASTWithin node, Object data)
{
return matches(node.getClazz());
}
public Object visit(ASTWithincode node, Object data)
{
return node.jjtGetChild(0).jjtAccept(this, null);
}
public Object visit(ASTExecution node, Object data)
{
return node.jjtGetChild(0).jjtAccept(this, null);
}
public Object visit(ASTConstruction node, Object data)
{
return node.jjtGetChild(0).jjtAccept(this, null);
}
public Object visit(ASTGet node, Object data)
{
return node.jjtGetChild(0).jjtAccept(this, null);
}
public Object visit(ASTSet node, Object data)
{
return node.jjtGetChild(0).jjtAccept(this, null);
}
public Object visit(ASTFieldExecution node, Object data)
{
return node.jjtGetChild(0).jjtAccept(this, null);
}
public Object visit(ASTMethod node, Object data)
{
ClassExpression classExpression = node.getClazz();
return matchClass(classExpression);
}
private Object matchClass(ClassExpression classExpression)
{
if (classExpression.isAnnotation())
{
String sub = classExpression.getOriginal().substring(1);
if (advisor.getClassMetaData().hasTag(sub)) return Boolean.TRUE;
return new Boolean(advisor.hasAnnotation(clazz, sub));
}
else if (classExpression.isInstanceOf())
{
if (clazz == null) return Boolean.TRUE;
if (Util.subtypeOf(clazz, classExpression, advisor)) return Boolean.TRUE;
}
else if (classExpression.isTypedef())
{
if (Util.matchesTypedef(clazz, classExpression, advisor)) return Boolean.TRUE;
}
else
{
return new Boolean(classExpression.matches(this.classname));
}
return Boolean.FALSE;
}
public Object visit(ASTConstructor node, Object data)
{
ClassExpression classExpression = node.getClazz();
return matchClass(classExpression);
}
public Object visit(ASTField node, Object data)
{
ClassExpression classExpression = node.getClazz();
return matchClass(classExpression);
}
public Object visit(ASTHas node, Object data)
{
if (clazz == null) return Boolean.TRUE;
Node n = node.jjtGetChild(0);
if (n instanceof ASTMethod)
{
return new Boolean(Util.has(clazz, (ASTMethod) n, advisor));
}
else
{
return new Boolean(Util.has(clazz, (ASTConstructor) n, advisor));
}
}
public Object visit(ASTHasField node, Object data)
{
if (clazz == null) return Boolean.TRUE;
ASTField f = (ASTField) node.jjtGetChild(0);
return new Boolean(Util.has(clazz, f, advisor));
}
//----- NOT VISITED -----
public Object visit(ASTAttribute node, Object data)
{
return data;
}
public Object visit(ASTParameter node, Object data)
{
return data;
}
public Object visit(ASTAllParameter node, Object data)
{
return data;
}
public Object visit(ASTCFlowExpression node, Object data)
{
return data;
}
public Object visit(ASTCFlowBoolean node, Object data)
{
return data;
}
public Object visit(ASTNotCFlow node, Object data)
{
return data;
}
public Object visit(ASTCompositeCFlow node, Object data)
{
return data;
}
public Object visit(ASTSubCFlow node, Object data)
{
return data;
}
public Object visit(ASTAndCFlow node, Object data)
{
return data;
}
public Object visit(ASTOrCFlow node, Object data)
{
return data;
}
public Object visit(ASTCFlow node, Object data)
{
return data;
}
public Object visit(SimpleNode node, Object data)
{
return data;
}
}