[jboss-cvs] JBossAS SVN: r82648 - in projects/aop/trunk/aop/src/main/org/jboss/aop: reflectprototype and 1 other directory.

[jboss-cvs-commits at lists.jboss.org]

Author: stalep
Date: 2009-01-06 18:31:16 -0500 (Tue, 06 Jan 2009)
New Revision: 82648

Added:
   projects/aop/trunk/aop/src/main/org/jboss/aop/reflectprototype/
   projects/aop/trunk/aop/src/main/org/jboss/aop/reflectprototype/AopClassPoolFactory.java
   projects/aop/trunk/aop/src/main/org/jboss/aop/reflectprototype/ClassPoolFactory.java
   projects/aop/trunk/aop/src/main/org/jboss/aop/reflectprototype/JavassistAopTypeInfoFactoryImpl.java
Log:
[JBAOP-684]
initial prototype commit


Added: projects/aop/trunk/aop/src/main/org/jboss/aop/reflectprototype/AopClassPoolFactory.java
===================================================================
--- projects/aop/trunk/aop/src/main/org/jboss/aop/reflectprototype/AopClassPoolFactory.java	                        (rev 0)
+++ projects/aop/trunk/aop/src/main/org/jboss/aop/reflectprototype/AopClassPoolFactory.java	2009-01-06 23:31:16 UTC (rev 82648)
@@ -0,0 +1,42 @@
+/*
+  * 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.reflectprototype;
+
+import org.jboss.aop.AspectManager;
+
+import javassist.ClassPool;
+
+/**
+ * A AopClassPoolFactory.
+ * 
+ * @author <a href="stale.pedersen at jboss.org">Stale W. Pedersen</a>
+ * @version $Revision: 1.1 $
+ */
+public class AopClassPoolFactory implements ClassPoolFactory
+{
+
+   public  ClassPool getPoolForLoader(ClassLoader cl)
+   {
+      return AspectManager.instance().registerClassLoader(cl);
+   }
+
+}

Added: projects/aop/trunk/aop/src/main/org/jboss/aop/reflectprototype/ClassPoolFactory.java
===================================================================
--- projects/aop/trunk/aop/src/main/org/jboss/aop/reflectprototype/ClassPoolFactory.java	                        (rev 0)
+++ projects/aop/trunk/aop/src/main/org/jboss/aop/reflectprototype/ClassPoolFactory.java	2009-01-06 23:31:16 UTC (rev 82648)
@@ -0,0 +1,35 @@
+/*
+  * 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.reflectprototype;
+
+import javassist.ClassPool;
+
+/**
+ * A ClassPoolFactory.
+ * 
+ * @author <a href="stale.pedersen at jboss.org">Stale W. Pedersen</a>
+ * @version $Revision: 1.1 $
+ */
+public interface ClassPoolFactory
+{
+   public ClassPool getPoolForLoader(ClassLoader cl);
+}

Added: projects/aop/trunk/aop/src/main/org/jboss/aop/reflectprototype/JavassistAopTypeInfoFactoryImpl.java
===================================================================
--- projects/aop/trunk/aop/src/main/org/jboss/aop/reflectprototype/JavassistAopTypeInfoFactoryImpl.java	                        (rev 0)
+++ projects/aop/trunk/aop/src/main/org/jboss/aop/reflectprototype/JavassistAopTypeInfoFactoryImpl.java	2009-01-06 23:31:16 UTC (rev 82648)
@@ -0,0 +1,104 @@
+/*
+  * 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.reflectprototype;
+
+import java.lang.ref.WeakReference;
+import java.util.Map;
+
+import javassist.CtClass;
+import javassist.NotFoundException;
+
+import org.jboss.reflect.plugins.javassist.JavassistTypeInfoFactoryImpl;
+
+/**
+ * A JavassistAopTypeInfoFactoryImpl.
+ * 
+ * @author <a href="stale.pedersen at jboss.org">Stale W. Pedersen</a>
+ * @version $Revision: 1.1 $
+ */
+public class JavassistAopTypeInfoFactoryImpl extends JavassistTypeInfoFactoryImpl
+{
+   
+   private ClassPoolFactory poolFactory = new AopClassPoolFactory();
+   
+   /**
+    * Get the information for a class
+    * 
+    * @param name the name
+    * @param cl the classloader
+    * @return the info
+    * @throws ClassNotFoundException when the class cannot be found
+    */
+   @Override
+   public Object get(String name, ClassLoader cl) throws ClassNotFoundException
+   {
+      if (name == null)
+         throw new IllegalArgumentException("Null name");
+      if (cl == null)
+         throw new IllegalArgumentException("Null classloader");
+      try
+      {
+         CtClass clazz = poolFactory.getPoolForLoader(cl).get(name);
+
+         return get(clazz);
+      }
+      catch(NotFoundException nfe)
+      {
+         throw new ClassNotFoundException(nfe.getMessage());
+      }
+   }
+   
+   /**
+    * Get the information for a class
+    * 
+    * @param clazz the class
+    * @return the info
+    */
+   public Object get(CtClass clazz)
+   {
+      if (clazz == null)
+         throw new IllegalArgumentException("Null class");
+      
+      Map classLoaderCache = getClassLoaderCache(clazz.getClassPool().getClassLoader());
+
+      WeakReference weak = (WeakReference) classLoaderCache.get(clazz.getName());
+      if (weak != null)
+      {
+         Object result = weak.get();
+         if (result != null)
+            return result;
+      }
+
+//      how do we call instantiate?
+      Object result = null; //instantiate(clazz);
+      
+
+      weak = new WeakReference(result);
+      classLoaderCache.put(clazz.getName(), weak);
+      
+//      we just ignore generate(..) since it doesnt do anything atm
+//      generate(clazz, result);
+      
+      return result;
+   }
+
+}