[jboss-cvs] JBossAS SVN: r69938 - in projects/microcontainer/trunk: deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/structure and 1 other directories.

jboss-cvs-commits at lists.jboss.org jboss-cvs-commits at lists.jboss.org
Tue Feb 19 11:36:34 EST 2008


Author: adrian at jboss.org
Date: 2008-02-19 11:36:34 -0500 (Tue, 19 Feb 2008)
New Revision: 69938

Added:
   projects/microcontainer/trunk/deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/classloader/InMemoryClassesDeployer.java
Modified:
   projects/microcontainer/trunk/deployers-vfs-spi/src/main/org/jboss/deployers/vfs/spi/structure/VFSDeploymentContext.java
   projects/microcontainer/trunk/deployers-vfs-spi/src/main/org/jboss/deployers/vfs/spi/structure/VFSDeploymentUnit.java
   projects/microcontainer/trunk/deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/structure/AbstractVFSDeploymentContext.java
   projects/microcontainer/trunk/deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/structure/AbstractVFSDeploymentUnit.java
Log:
[JBMICROCONT-241] - Proper deployer for creating in memory classes virtual file - includes a couple of helper methods for adding things to the classpath

Added: projects/microcontainer/trunk/deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/classloader/InMemoryClassesDeployer.java
===================================================================
--- projects/microcontainer/trunk/deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/classloader/InMemoryClassesDeployer.java	                        (rev 0)
+++ projects/microcontainer/trunk/deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/classloader/InMemoryClassesDeployer.java	2008-02-19 16:36:34 UTC (rev 69938)
@@ -0,0 +1,115 @@
+/*
+* JBoss, Home of Professional Open Source
+* Copyright 2008, 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.deployers.vfs.plugins.classloader;
+
+import java.net.URL;
+import java.util.List;
+
+import org.jboss.classloading.spi.metadata.ClassLoadingMetaData;
+import org.jboss.deployers.spi.DeploymentException;
+import org.jboss.deployers.spi.deployer.DeploymentStages;
+import org.jboss.deployers.vfs.spi.deployer.AbstractVFSRealDeployer;
+import org.jboss.deployers.vfs.spi.structure.VFSDeploymentUnit;
+import org.jboss.util.id.GUID;
+import org.jboss.virtual.VirtualFile;
+import org.jboss.virtual.plugins.context.memory.MemoryContextFactory;
+
+/**
+ * TempURLDeployer.
+ * 
+ * @author <a href="adrian at jboss.com">Adrian Brock</a>
+ * @version $Revision: 1.1 $
+ */
+public class InMemoryClassesDeployer extends AbstractVFSRealDeployer
+{
+   /** The name of the dynamic class root */
+   public static final String DYNAMIC_CLASS_URL_KEY = "DYNAMIC_CLASS_URL_KEY";
+
+   /** The name of the dynamic class root */
+   public static final String DYNAMIC_CLASS_KEY = "DYNAMIC_CLASS_KEY";
+
+   /** The memory context factory */
+   private MemoryContextFactory factory = MemoryContextFactory.getInstance();
+   
+   /**
+    * Create a new TempURLDeployer.
+    */
+   public InMemoryClassesDeployer()
+   {
+      // Make it run before the classloader describe deployer
+      setStage(DeploymentStages.DESCRIBE);
+      setOutput(ClassLoadingMetaData.class);
+      setTopLevelOnly(true);
+   }
+   
+   @Override
+   public void deploy(VFSDeploymentUnit unit) throws DeploymentException
+   {
+      try
+      {
+         URL dynamicClassRoot = new URL("vfsmemory://" + new GUID());
+         factory.createRoot(dynamicClassRoot);
+         URL classesURL = new URL(dynamicClassRoot, "classes");
+         VirtualFile classes = factory.createDirectory(classesURL).getVirtualFile();
+         unit.addAttachment(DYNAMIC_CLASS_URL_KEY, dynamicClassRoot);
+         unit.addAttachment(DYNAMIC_CLASS_KEY, classes);
+         unit.addClassPath(classes);
+         log.debug("Dynamic class root for " + unit.getName() + " is " + dynamicClassRoot);
+      }
+      catch (Exception e)
+      {
+         throw new DeploymentException("Error creating dynamic class root", e);
+      }
+   }
+
+   @Override
+   public void undeploy(VFSDeploymentUnit unit)
+   {
+      log.debug("Removing dynamic class root for " + unit.getName());
+      try
+      {
+         VirtualFile classes = unit.removeAttachment(DYNAMIC_CLASS_KEY, VirtualFile.class);
+         if (classes != null)
+         {
+            List<VirtualFile> classPath = unit.getClassPath();
+            if (classPath != null)
+            {
+               classPath.remove(classes);
+               unit.setClassPath(classPath);
+            }
+         }
+      }
+      finally
+      {
+         try
+         {
+            URL root = unit.removeAttachment(DYNAMIC_CLASS_URL_KEY, URL.class);
+            if (root != null)
+               factory.deleteRoot(root);
+         }
+         catch (Exception e)
+         {
+            log.warn("Error deleting dynamic class root for " + unit.getName(), e);
+         }
+      }
+   }
+}

Modified: projects/microcontainer/trunk/deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/structure/AbstractVFSDeploymentContext.java
===================================================================
--- projects/microcontainer/trunk/deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/structure/AbstractVFSDeploymentContext.java	2008-02-19 16:10:48 UTC (rev 69937)
+++ projects/microcontainer/trunk/deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/structure/AbstractVFSDeploymentContext.java	2008-02-19 16:36:34 UTC (rev 69938)
@@ -287,6 +287,42 @@
          log.trace("ClassPath for " + root.getPathName() + " is " + VFSUtils.getPathsString(paths));
    }
 
+   public void addClassPath(List<VirtualFile> files)
+   {
+      if (files == null)
+         throw new IllegalArgumentException("Null files");
+
+      List<VirtualFile> classPath = getClassPath();
+      if (classPath == null)
+         classPath = new ArrayList<VirtualFile>();
+      
+      for (VirtualFile file : files)
+      {
+         if (file == null)
+            throw new IllegalArgumentException("Null virtual file in " + files);
+         classPath.add(file);
+      }
+      setClassPath(classPath);
+   }
+
+   public void addClassPath(VirtualFile... files)
+   {
+      if (files == null)
+         throw new IllegalArgumentException("Null files");
+
+      List<VirtualFile> classPath = getClassPath();
+      if (classPath == null)
+         classPath = new ArrayList<VirtualFile>();
+      
+      for (VirtualFile file : files)
+      {
+         if (file == null)
+            throw new IllegalArgumentException("Null virtual file in " + files);
+         classPath.add(file);
+      }
+      setClassPath(classPath);
+   }
+
    @Override
    public VFSDeploymentContext getTopLevel()
    {

Modified: projects/microcontainer/trunk/deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/structure/AbstractVFSDeploymentUnit.java
===================================================================
--- projects/microcontainer/trunk/deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/structure/AbstractVFSDeploymentUnit.java	2008-02-19 16:10:48 UTC (rev 69937)
+++ projects/microcontainer/trunk/deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/structure/AbstractVFSDeploymentUnit.java	2008-02-19 16:36:34 UTC (rev 69938)
@@ -94,6 +94,16 @@
       getDeploymentContext().setClassPath(classPath);
    }
    
+   public void addClassPath(List<VirtualFile> files)
+   {
+      getDeploymentContext().addClassPath(files);
+   }
+
+   public void addClassPath(VirtualFile... files)
+   {
+      getDeploymentContext().addClassPath(files);
+   }
+
    @Override
    public VFSDeploymentUnit getParent()
    {

Modified: projects/microcontainer/trunk/deployers-vfs-spi/src/main/org/jboss/deployers/vfs/spi/structure/VFSDeploymentContext.java
===================================================================
--- projects/microcontainer/trunk/deployers-vfs-spi/src/main/org/jboss/deployers/vfs/spi/structure/VFSDeploymentContext.java	2008-02-19 16:10:48 UTC (rev 69937)
+++ projects/microcontainer/trunk/deployers-vfs-spi/src/main/org/jboss/deployers/vfs/spi/structure/VFSDeploymentContext.java	2008-02-19 16:36:34 UTC (rev 69938)
@@ -105,6 +105,20 @@
    void setClassPath(List<VirtualFile> paths);
    
    /**
+    * Add virtual files to the classpath
+    * 
+    * @param files a virtual file
+    */
+   void addClassPath(VirtualFile... files);
+   
+   /**
+    * Add virtual files to the classpath
+    * 
+    * @param files a virtual file
+    */
+   void addClassPath(List<VirtualFile> files);
+
+   /**
     * Get the top level deployment context
     * 
     * @return the top level deployment context

Modified: projects/microcontainer/trunk/deployers-vfs-spi/src/main/org/jboss/deployers/vfs/spi/structure/VFSDeploymentUnit.java
===================================================================
--- projects/microcontainer/trunk/deployers-vfs-spi/src/main/org/jboss/deployers/vfs/spi/structure/VFSDeploymentUnit.java	2008-02-19 16:10:48 UTC (rev 69937)
+++ projects/microcontainer/trunk/deployers-vfs-spi/src/main/org/jboss/deployers/vfs/spi/structure/VFSDeploymentUnit.java	2008-02-19 16:36:34 UTC (rev 69938)
@@ -91,6 +91,20 @@
    void setClassPath(List<VirtualFile> classPath);
    
    /**
+    * Add virtual files to the classpath
+    * 
+    * @param files a virtual file
+    */
+   void addClassPath(VirtualFile... files);
+   
+   /**
+    * Add virtual files to the classpath
+    * 
+    * @param files a virtual file
+    */
+   void addClassPath(List<VirtualFile> files);
+   
+   /**
     * Get the top leve deployment unit
     * 
     * @return the top level deployment unit




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