VFS Memory Deserialization

[kabirkhan]

"alesj" wrote:

Why this limitation in VFS:MemoryContextFactory

 public VFSContext createRoot(URL url)
 {
 try
 {
 String rootName = url.getHost();
 MemoryContext ctx = registry.get(rootName);
 if (ctx == null)
 {
 String urlPath = url.getPath();
 if (urlPath != null && urlPath.length() > 0)
 throw new IllegalArgumentException("Root can not contain '/' - " + urlPath);

This last exception.

Can we get past/handle this?

The issue is when I use this:
- http://anonsvn.jboss.org/repos/jbossas/projects/jboss-deployers/trunk/deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/vfs/VirtualFileSerializator.java
It breaks, since it cannot be deserialized - due to that exception.

We can continue on the forum. :-)

The exception was just there to make sure that people don't try to create roots from URLs such as vfsmemory://root/with/path. What should be used is vfsmemory://root. Is the problem you are seeing that it tries to pass in the whole URL? If possible try breaking it up? If not then the exception can probably be removed

[alesj]

Is the problem you are seeing that it tries to pass in the whole URL? If possible try breaking it up?

This fails when I try to (de)serialize VirtualFile created in InMemoryClassesDeployer,
- http://anonsvn.jboss.org/repos/jbossas/projects/jboss-deployers/trunk/deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/classloader/InMemoryClassesDeployer.java
which is part of classpath.
For (de)serialization I use the before mentioned mechanism:
- http://anonsvn.jboss.org/repos/jbossas/projects/jboss-deployers/trunk/deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/vfs/VirtualFileSerializator.java
Used here:
- http://anonsvn.jboss.org/repos/jbossas/projects/jboss-deployers/trunk/deployers-vfs/src/main/org/jboss/deployers/vfs/plugins/structure/AbstractVFSDeploymentContext.java
On deserialization of that classpath in-memory VirtualFile, I get that exception.

[kabirkhan]

The following little test that I wrote to see how this fails passes for me

package org.jboss.test.deployers.vfs.memory;

import java.net.URL;
import java.rmi.MarshalledObject;
import java.util.Collections;
import java.util.List;

import org.jboss.deployers.vfs.plugins.vfs.VirtualFileSerializator;
import org.jboss.test.BaseTestCase;
import org.jboss.virtual.MemoryFileFactory;
import org.jboss.virtual.VFS;
import org.jboss.virtual.VirtualFile;

/**
 *
 * @author <a href="[e-mail]">Kabir Khan</a>
 * @version $Revision: 1.1 $
 */
public class MemoryTestCase extends BaseTestCase
{

 public MemoryTestCase(String name)
 {
 super(name);
 }

 public void testSerialize() throws Exception
 {
 URL url = new URL("vfsmemory://aopdomain/org/acme/test/Test.class");
 MemoryFileFactory.createRoot(new URL("vfsmemory://aopdomain"));

 MemoryFileFactory.putFile(url, new byte[] {'a', 'b', 'c'});
 VirtualFile classFile = VFS.getVirtualFile(new URL("vfsmemory://aopdomain"), "org/acme/test/Test.class");

 assertNotNull(classFile);

 VirtualFileSerializator saved = VirtualFileSerializator.toVirtualFileSerializators(Collections.singletonList(classFile)).get(0);
 MarshalledObject mo = new MarshalledObject(saved);

 VirtualFileSerializator loaded = (VirtualFileSerializator)mo.get();
 VirtualFile loadedFile = loaded.getFile();

 assertNotNull(loadedFile);
 assertEquals(classFile, loadedFile);
 }

 protected void setUp() throws Exception
 {
 VFS.init();
 super.setUp();
 getLog().info("java.protocol.handler.pkgs: " + System.getProperty("java.protocol.handler.pkgs"));
 }

}