Examples of MLet

javax.management.loading.MLet
URL classloader capable of parsing an MLet text file adhering to the file format defined in the JMX specification (v1.0). @see javax.management.loading.MLetMBean @author Juha Lindfors. @version $Revision: 1.13 $
Revisions:
20020313 Juha Lindfors:
- Added MLet text file ARG tag support
20020317 Juha Lindfors:
- Unified Loader Repository support
- We need to intercept addURL() call since MLet CL exposes this as a public method (unlike URL CL). This means the set of URLs in this classloaders scope may change after it has been registered to the repository.
- We override loadClass() to delegate class loading directly to the repository in case a Unified Loader Repository is installed. This means in case of ULR this classloader is never used to load classes. The ULR has a set of Unified CLs that match the URLs added to this CL.
20020501 Fusayuki Minamoto:
- Added MLet text file VERSION tag support
20020811 Adrian Brock:
- Fix the Unified Repository Support to be more spec compliant.

Examples of javax.management.loading.MLet

      // the urls used here are relative to the location of the build.xml


      final URL MLET_URL = new URL(location, "etc/tests/UnexpectedEnd.mlet");


      MBeanServer server = MBeanServerFactory.createMBeanServer();
      MLet mlet = new MLet();
      ObjectName name = new ObjectName("test:name=mlet");
      try
      {
         server.registerMBean(mlet, name);

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Examples of javax.management.loading.MLet

      // the urls used here are relative to the location of the build.xml


      final URL MLET_URL = new URL(location, "etc/tests/MissingEndTag.mlet");


      MBeanServer server = MBeanServerFactory.createMBeanServer();
      MLet mlet = new MLet();
      ObjectName name = new ObjectName("test:name=mlet");
      try
      {
         server.registerMBean(mlet, name);

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Examples of javax.management.loading.MLet

   {
      // NOTE: 
      // the urls used here are relative to the location of the build.xml


      MBeanServer server = MBeanServerFactory.newMBeanServer();
      MLet mlet = new MLet();
      ObjectName name = new ObjectName(":test=test");
      
      // mlet cl to DLR
      try
      {
         mlet.addURL(new URL(location, "lib/jmxcompliance-Test.jar"));
         server.registerMBean(mlet, name);
      
         server.instantiate("org.jboss.test.jmx.compliance.server.support.AClass");
      }
      finally

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Examples of javax.management.loading.MLet

      {
         // NOTE: 
         // the urls used here are relative to the location of the build.xml


         MBeanServer server = MBeanServerFactory.newMBeanServer();
         MLet mlet = new MLet();
      
         // mlet cl to DLR
         mlet.addURL("file:./output/etc/test/compliance/server/Test.jar");
         //server.registerMBean(mlet, new ObjectName(":test=test"));
      
         server.instantiate("org.jboss.test.jmx.compliance.server.support.AClass");
      
//

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Examples of javax.management.loading.MLet


         // Wait for notifications threads to start
         sleep(1000);


         // Register a new MBean, it will generate a notification
         MLet mlet = new MLet();
         ObjectName name = new ObjectName(":mbean=mlet");
         server.registerMBean(mlet, name);


         // Wait for notifications to arrive
         sleep(1000);

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Examples of javax.management.loading.MLet

   public void testChildMLetRegisteredBeforeParentMLet() throws Exception
   {
      // A test to be sure the MLet implementation does not recurse infinitely when loading classes.


      URL url = getClass().getProtectionDomain().getCodeSource().getLocation();
      MLet parent = new MLet(new URL[]{url}, ClassLoader.getSystemClassLoader().getParent());
      MLet child = new MLet(new URL[0], parent);


      ObjectName parentName = new ObjectName("MLet", "type", "parent");
      ObjectName childName = new ObjectName("MLet", "type", "child");


      MBeanServer server = newMBeanServer();

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Examples of javax.management.loading.MLet

      }
   }


   public void testFindLibrary() throws Exception
   {
      MLet mlet = new MLet();
      Method method = mlet.getClass().getDeclaredMethod("findLibrary", new Class[]{String.class});
      method.setAccessible(true);
      String result = (String)method.invoke(mlet, new Object[]{"stat"});
      if (result != null) fail("MLet can load non-existing libraries");
   }

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Examples of javax.management.loading.MLet

      fos.close();


      assertTrue(libraryFile.exists());
      assertTrue(libraryFile.length() > 0);


      MLet mlet = new MLet(new URL[]{libraryFile.getCanonicalFile().getParentFile().toURL()});
      Method method = mlet.getClass().getDeclaredMethod("findLibrary", new Class[]{String.class});
      method.setAccessible(true);
      String result = (String)method.invoke(mlet, new Object[]{library});


      assertNotNull(result);
      assertTrue(libraryFile.exists());

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Examples of javax.management.loading.MLet

      fos.close();


      assertTrue(libraryFile.exists());
      assertTrue(libraryFile.length() > 0);


      MLet mlet = new MLet(new URL[]{libraryFile.getCanonicalFile().getParentFile().toURL()});


      // Set the library directory to some temp directory
      File temp = File.createTempFile("abc", null);
      temp.deleteOnExit();
      mlet.setLibraryDirectory(temp.getCanonicalFile().getParentFile().getCanonicalPath());


      Method method = mlet.getClass().getDeclaredMethod("findLibrary", new Class[]{String.class});
      method.setAccessible(true);
      String result = (String)method.invoke(mlet, new Object[]{library});


      assertNotNull(result);
      assertTrue(libraryFile.exists());
      assertTrue(libraryFile.length() > 0);


      File tempLibrary = new File(mlet.getLibraryDirectory(), libraryName);
      assertTrue(tempLibrary.exists());
      assertTrue(tempLibrary.length() > 0);
   }

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Examples of javax.management.loading.MLet

      assertTrue(tempLibrary.length() > 0);
   }


   public void testDefaultMletName() throws Exception {
      MBeanServer mbServer = newMBeanServer();
      MLet mlet = new MLet();
      ObjectName mletName = new ObjectName(mbServer.getDefaultDomain(), "type", "MLet");
      assertFalse(mbServer.isRegistered(mletName));
      assertEquals(mletName, mbServer.registerMBean(mlet, null).getObjectName());
      assertTrue(mbServer.isRegistered(mletName));
   }

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