Пример #1
0
  public synchronized Collection<GarbageCollectorMXBean> getGarbageCollectorMXBeans()
      throws IOException {

    // TODO: How to deal with changes to the list??
    if (garbageCollectorMBeans == null) {
      ObjectName gcName = null;
      try {
        gcName = new ObjectName(GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",*");
      } catch (MalformedObjectNameException e) {
        // should not reach here
        assert (false);
      }
      Set<ObjectName> mbeans = server.queryNames(gcName, null);
      if (mbeans != null) {
        garbageCollectorMBeans = new ArrayList<GarbageCollectorMXBean>();
        Iterator<ObjectName> iterator = mbeans.iterator();
        while (iterator.hasNext()) {
          ObjectName on = (ObjectName) iterator.next();
          String name = GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",name=" + on.getKeyProperty("name");

          GarbageCollectorMXBean mBean =
              newPlatformMXBeanProxy(server, name, GarbageCollectorMXBean.class);
          garbageCollectorMBeans.add(mBean);
        }
      }
    }
    return garbageCollectorMBeans;
  }
Пример #2
0
  /**
   * Returns a map of MBeans with ObjectName as the key and MBeanInfo value of a given domain. If
   * domain is <tt>null</tt>, all MBeans are returned. If no MBean found, an empty map is returned.
   */
  public Map<ObjectName, MBeanInfo> getMBeans(String domain) throws IOException {

    ObjectName name = null;
    if (domain != null) {
      try {
        name = new ObjectName(domain + ":*");
      } catch (MalformedObjectNameException e) {
        // should not reach here
        assert (false);
      }
    }
    Set<ObjectName> mbeans = server.queryNames(name, null);
    Map<ObjectName, MBeanInfo> result = new HashMap<ObjectName, MBeanInfo>(mbeans.size());
    Iterator<ObjectName> iterator = mbeans.iterator();
    while (iterator.hasNext()) {
      Object object = iterator.next();
      if (object instanceof ObjectName) {
        ObjectName o = (ObjectName) object;
        try {
          MBeanInfo info = server.getMBeanInfo(o);
          result.put(o, info);
        } catch (IntrospectionException e) {
          // TODO: should log the error
        } catch (InstanceNotFoundException e) {
          // TODO: should log the error
        } catch (ReflectionException e) {
          // TODO: should log the error
        }
      }
    }
    return result;
  }
  private static void check(String what, MBeanNotificationInfo[] mbnis) {
    System.out.print(what + ": checking notification info: ");

    if (mbnis.length == 0) {
      System.out.println("NONE (suspicious)");
      suspicious.add(what);
      return;
    }

    // Each MBeanNotificationInfo.getName() should be an existent
    // Java class that is Notification or a subclass of it
    for (int j = 0; j < mbnis.length; j++) {
      String notifClassName = mbnis[j].getName();
      Class notifClass;
      try {
        notifClass = Class.forName(notifClassName);
      } catch (Exception e) {
        System.out.print("FAILED(" + notifClassName + ": " + e + ") ");
        failed.add(what);
        continue;
      }
      if (!Notification.class.isAssignableFrom(notifClass)) {
        System.out.print("FAILED(" + notifClassName + ": not a Notification) ");
        failed.add(what);
        continue;
      }
      System.out.print("OK(" + notifClassName + ") ");
    }
    System.out.println();
  }
 private static Set<String> findStandardMBeansFromJar(URL codeBase) throws Exception {
   InputStream is = codeBase.openStream();
   JarInputStream jis = new JarInputStream(is);
   Set<String> names = new TreeSet<String>();
   JarEntry entry;
   while ((entry = jis.getNextJarEntry()) != null) {
     String name = entry.getName();
     if (!name.endsWith(".class")) continue;
     name = name.substring(0, name.length() - 6);
     name = name.replace('/', '.');
     names.add(name);
   }
   return names;
 }
  private static String[] findStandardMBeans(URL codeBase) throws Exception {
    Set<String> names;
    if (codeBase.getProtocol().equalsIgnoreCase("file") && codeBase.toString().endsWith("/"))
      names = findStandardMBeansFromDir(codeBase);
    else names = findStandardMBeansFromJar(codeBase);

    Set<String> standardMBeanNames = new TreeSet<String>();
    for (String name : names) {
      if (name.endsWith("MBean")) {
        String prefix = name.substring(0, name.length() - 5);
        if (names.contains(prefix)) standardMBeanNames.add(prefix);
      }
    }
    return standardMBeanNames.toArray(new String[0]);
  }
Пример #6
0
 private synchronized NameValueMap getCachedAttributes(ObjectName objName, Set<String> attrNames)
     throws InstanceNotFoundException, ReflectionException, IOException {
   NameValueMap values = cachedValues.get(objName);
   if (values != null && values.keySet().containsAll(attrNames)) {
     return values;
   }
   attrNames = new TreeSet<String>(attrNames);
   Set<String> oldNames = cachedNames.get(objName);
   if (oldNames != null) {
     attrNames.addAll(oldNames);
   }
   values = new NameValueMap();
   final AttributeList attrs =
       conn.getAttributes(objName, attrNames.toArray(new String[attrNames.size()]));
   for (Attribute attr : attrs.asList()) {
     values.put(attr.getName(), attr.getValue());
   }
   cachedValues.put(objName, values);
   cachedNames.put(objName, attrNames);
   return values;
 }
 private static void scanDir(File dir, String prefix, Set<String> names) throws Exception {
   File[] files = dir.listFiles();
   if (files == null) return;
   for (int i = 0; i < files.length; i++) {
     File f = files[i];
     String name = f.getName();
     String p = (prefix.equals("")) ? name : prefix + "." + name;
     if (f.isDirectory()) scanDir(f, p, names);
     else if (name.endsWith(".class")) {
       p = p.substring(0, p.length() - 6);
       names.add(p);
     }
   }
 }
Пример #8
0
  public Collection<MemoryPoolProxy> getMemoryPoolProxies() throws IOException {

    // TODO: How to deal with changes to the list??
    if (memoryPoolProxies == null) {
      ObjectName poolName = null;
      try {
        poolName = new ObjectName(MEMORY_POOL_MXBEAN_DOMAIN_TYPE + ",*");
      } catch (MalformedObjectNameException e) {
        // should not reach here
        assert (false);
      }
      Set<ObjectName> mbeans = server.queryNames(poolName, null);
      if (mbeans != null) {
        memoryPoolProxies = new ArrayList<MemoryPoolProxy>();
        Iterator<ObjectName> iterator = mbeans.iterator();
        while (iterator.hasNext()) {
          ObjectName objName = (ObjectName) iterator.next();
          MemoryPoolProxy p = new MemoryPoolProxy(this, objName);
          memoryPoolProxies.add(p);
        }
      }
    }
    return memoryPoolProxies;
  }
  public static void main(String[] args) throws Exception {
    System.out.println(
        "Checking that all known MBeans that are "
            + "NotificationBroadcasters have sane "
            + "MBeanInfo.getNotifications()");

    System.out.println("Checking platform MBeans...");
    checkPlatformMBeans();

    URL codeBase = ClassLoader.getSystemResource("javax/management/MBeanServer.class");
    if (codeBase == null) {
      throw new Exception("Could not determine codeBase for " + MBeanServer.class);
    }

    System.out.println();
    System.out.println("Looking for standard MBeans...");
    String[] classes = findStandardMBeans(codeBase);

    System.out.println("Testing standard MBeans...");
    for (int i = 0; i < classes.length; i++) {
      String name = classes[i];
      Class<?> c;
      try {
        c = Class.forName(name);
      } catch (Throwable e) {
        System.out.println(name + ": cannot load (not public?): " + e);
        continue;
      }
      if (!NotificationBroadcaster.class.isAssignableFrom(c)) {
        System.out.println(name + ": not a NotificationBroadcaster");
        continue;
      }
      if (Modifier.isAbstract(c.getModifiers())) {
        System.out.println(name + ": abstract class");
        continue;
      }

      NotificationBroadcaster mbean;
      Constructor<?> constr;
      try {
        constr = c.getConstructor();
      } catch (Exception e) {
        System.out.println(name + ": no public no-arg constructor: " + e);
        continue;
      }
      try {
        mbean = (NotificationBroadcaster) constr.newInstance();
      } catch (Exception e) {
        System.out.println(name + ": no-arg constructor failed: " + e);
        continue;
      }

      check(mbean);
    }

    System.out.println();
    System.out.println("Testing some explicit cases...");

    check(new RelationService(false));
    /*
      We can't do this:
        check(new RequiredModelMBean());
      because the Model MBean spec more or less forces us to use the
      names GENERIC and ATTRIBUTE_CHANGE for its standard notifs.
    */
    checkRMIConnectorServer();

    System.out.println();
    if (!suspicious.isEmpty()) System.out.println("SUSPICIOUS CLASSES: " + suspicious);

    if (failed.isEmpty()) System.out.println("TEST PASSED");
    else {
      System.out.println("TEST FAILED: " + failed);
      System.exit(1);
    }
  }