[jboss-cvs] JBossAS SVN: r108380 - trunk/weld-int/deployer/src/main/java/org/jboss/weld/integration/deployer/env/bda.

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

Author: alesj
Date: 2010-09-29 17:39:15 -0400 (Wed, 29 Sep 2010)
New Revision: 108380

Added:
   trunk/weld-int/deployer/src/main/java/org/jboss/weld/integration/deployer/env/bda/DUTopLevelClassLoaderGetter.java
   trunk/weld-int/deployer/src/main/java/org/jboss/weld/integration/deployer/env/bda/TopLevelClassLoaderGetter.java
Log:
Add a way to abstract top level classloder get.

Added: trunk/weld-int/deployer/src/main/java/org/jboss/weld/integration/deployer/env/bda/DUTopLevelClassLoaderGetter.java
===================================================================
--- trunk/weld-int/deployer/src/main/java/org/jboss/weld/integration/deployer/env/bda/DUTopLevelClassLoaderGetter.java	                        (rev 0)
+++ trunk/weld-int/deployer/src/main/java/org/jboss/weld/integration/deployer/env/bda/DUTopLevelClassLoaderGetter.java	2010-09-29 21:39:15 UTC (rev 108380)
@@ -0,0 +1,49 @@
+/*
+ * JBoss, Home of Professional Open Source.
+ * Copyright 2010, Red Hat Middleware LLC, and individual contributors
+ * as indicated by the @author tags. See the copyright.txt file 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.weld.integration.deployer.env.bda;
+
+import org.jboss.classloading.spi.dependency.Module;
+import org.jboss.deployers.plugins.classloading.AbstractDeploymentClassLoaderPolicyModule;
+import org.jboss.deployers.structure.spi.DeploymentUnit;
+
+/**
+ * Use deployment unit to get top level classloader.
+ *
+ * @author <a href="mailto:ales.justin at jboss.org">Ales Justin</a>
+ */
+public class DUTopLevelClassLoaderGetter implements TopLevelClassLoaderGetter
+{
+   public ClassLoader getTopLevelClassLoader(ClassLoader cl)
+   {
+      if (cl == null)
+         throw new IllegalArgumentException("Null classloader");
+
+      Module module = SecurityActions.getModuleForClassLoader(cl);
+      if (module == null || (module instanceof AbstractDeploymentClassLoaderPolicyModule == false))
+         return cl;
+
+      AbstractDeploymentClassLoaderPolicyModule abclm = (AbstractDeploymentClassLoaderPolicyModule) module;
+      DeploymentUnit du = abclm.getDeploymentUnit();
+      return du.getTopLevel().getClassLoader();
+   }
+}

Added: trunk/weld-int/deployer/src/main/java/org/jboss/weld/integration/deployer/env/bda/TopLevelClassLoaderGetter.java
===================================================================
--- trunk/weld-int/deployer/src/main/java/org/jboss/weld/integration/deployer/env/bda/TopLevelClassLoaderGetter.java	                        (rev 0)
+++ trunk/weld-int/deployer/src/main/java/org/jboss/weld/integration/deployer/env/bda/TopLevelClassLoaderGetter.java	2010-09-29 21:39:15 UTC (rev 108380)
@@ -0,0 +1,39 @@
+/*
+ * JBoss, Home of Professional Open Source.
+ * Copyright 2010, Red Hat Middleware LLC, and individual contributors
+ * as indicated by the @author tags. See the copyright.txt file 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.weld.integration.deployer.env.bda;
+
+/**
+ * Find top level classloader for giver classloader.
+ *
+ * @author <a href="mailto:ales.justin at jboss.org">Ales Justin</a>
+ */
+public interface TopLevelClassLoaderGetter
+{
+   /**
+    * Get top level classloader.
+    *
+    * @param cl the current classloader
+    * @return the top level classloader
+    */
+   ClassLoader getTopLevelClassLoader(ClassLoader cl);
+}