/* ------------------------------------------------------------ */ public synchronized ObjectName uniqueObjectName( MBeanServer server, Object object, String objectName) { if (!objectName.endsWith("=")) { String className = object.getClass().getName(); if (className.indexOf(".") > 0) className = className.substring(className.lastIndexOf(".") + 1); if (className.endsWith("MBean")) className = className.substring(0, className.length() - 5); if (!objectName.endsWith(":")) objectName += ","; objectName += className + "="; } ObjectName oName = null; try { while (true) { Integer id = (Integer) __objectId.get(objectName); if (id == null) id = new Integer(0); oName = new ObjectName(objectName + id); id = new Integer(id.intValue() + 1); __objectId.put(objectName, id); // If no server, this must be unique if (server == null) break; // Otherwise let's check it is unique // if not found then it is unique if (!server.isRegistered(oName)) break; } } catch (Exception e) { log.warn(LogSupport.EXCEPTION, e); } return oName; }
private static void test(int testno) throws Exception { // com.sun.jmx.trace.TraceImplementation.init(2); Resource resource = new Resource(); Class resourceClass = Resource.class; Class rmmbClass = RequiredModelMBean.class; Method setManagedResource = rmmbClass.getMethod("setManagedResource", new Class[] {Object.class, String.class}); Method sendNotification = rmmbClass.getMethod("sendNotification", new Class[] {Notification.class}); Method addAttributeChangeNL = rmmbClass.getMethod( "addAttributeChangeNotificationListener", new Class[] {NotificationListener.class, String.class, Object.class}); Method getArray = resourceClass.getMethod("getArray", new Class[0]); Method getNumber = resourceClass.getMethod("getNumber", new Class[0]); Method setNumber = resourceClass.getMethod("setNumber", new Class[] {Integer.TYPE}); Method tweakArray = resourceClass.getMethod("tweakArray", new Class[] {Object[].class}); Method addOne = resourceClass.getMethod("addOne", new Class[] {Integer.TYPE}); MBeanServer mbs = MBeanServerFactory.newMBeanServer(); ObjectName on = new ObjectName("a:b=c"); Descriptor attrDescr = new DescriptorSupport(); attrDescr.setField("name", "Array"); attrDescr.setField("descriptorType", "attribute"); attrDescr.setField("getMethod", "getArray"); ModelMBeanAttributeInfo attrInfo = new ModelMBeanAttributeInfo("Array", "array attr", getArray, null, attrDescr); Descriptor attrDescr2 = new DescriptorSupport(); attrDescr2.setField("name", "Number"); attrDescr2.setField("descriptorType", "attribute"); attrDescr2.setField("getMethod", "getNumber"); attrDescr2.setField("setMethod", "setNumber"); ModelMBeanAttributeInfo attrInfo2 = new ModelMBeanAttributeInfo("Number", "number attr", getNumber, setNumber, attrDescr2); Descriptor attrDescr3 = new DescriptorSupport(); attrDescr3.setField("name", "Local"); attrDescr3.setField("descriptorType", "attribute"); attrDescr3.setField("currencyTimeLimit", "" + Integer.MAX_VALUE); ModelMBeanAttributeInfo attrInfo3 = new ModelMBeanAttributeInfo( "Local", "java.lang.String", "local attr", true, true, false, attrDescr3); Descriptor attrDescr4 = new DescriptorSupport(); attrDescr4.setField("name", "Local2"); attrDescr4.setField("descriptorType", "attribute"); ModelMBeanAttributeInfo attrInfo4 = new ModelMBeanAttributeInfo( "Local2", "java.lang.String", "local attr 2", true, true, false, attrDescr4); ModelMBeanAttributeInfo[] attrs = new ModelMBeanAttributeInfo[] {attrInfo, attrInfo2, attrInfo3, attrInfo4}; ModelMBeanOperationInfo operInfo = new ModelMBeanOperationInfo("getArray descr", getArray); ModelMBeanOperationInfo operInfo2 = new ModelMBeanOperationInfo("getNumber descr", getNumber); ModelMBeanOperationInfo operInfo3 = new ModelMBeanOperationInfo("addOne descr", addOne); ModelMBeanOperationInfo operInfo4 = new ModelMBeanOperationInfo("setNumber descr", setNumber); ModelMBeanOperationInfo operInfo5 = new ModelMBeanOperationInfo("tweakArray descr", tweakArray); ModelMBeanOperationInfo operInfoSetManagedResource = new ModelMBeanOperationInfo("setManagedResource descr", setManagedResource); ModelMBeanOperationInfo operInfoSendNotification = new ModelMBeanOperationInfo("sendNotification descr", sendNotification); ModelMBeanOperationInfo operInfoAddAttributeChangeNL = new ModelMBeanOperationInfo("AddAttributeChangeNL descr", addAttributeChangeNL); ModelMBeanOperationInfo[] opers = new ModelMBeanOperationInfo[] { operInfo, operInfo2, operInfo3, operInfo4, operInfo5, operInfoSetManagedResource, operInfoSendNotification, operInfoAddAttributeChangeNL }; ModelMBeanInfo info = new ModelMBeanInfoSupport( Resource.class.getName(), "Resourcish resource", attrs, null, opers, null, null); mbs.createMBean( RequiredModelMBean.class.getName(), on, new Object[] {info}, new String[] {ModelMBeanInfo.class.getName()}); mbs.invoke( on, "setManagedResource", new Object[] {resource, "objectReference"}, new String[] {"java.lang.Object", "java.lang.String"}); switch (testno) { case 0: { /* Check getDescriptors("") on original MBeanInfo */ final Descriptor[] desc = info.getDescriptors(""); checkDescriptors(info, desc, "info.getDescriptors(\"\")"); break; } case 1: { /* Check getDescriptors(null) on original MBeanInfo */ final Descriptor[] desc = info.getDescriptors(null); checkDescriptors(info, desc, "info.getDescriptors(null)"); break; } case 2: { /* Check getDescriptors("") on retrieved MBeanInfo */ final MBeanInfo mbi = mbs.getMBeanInfo(on); final ModelMBeanInfo model = (ModelMBeanInfo) mbi; final Descriptor[] desc = model.getDescriptors(""); checkDescriptors(info, desc, "model.getDescriptors(\"\")"); break; } case 3: { /* Check getDescriptors(null) on retrieved MBeanInfo */ final MBeanInfo mbi = mbs.getMBeanInfo(on); final ModelMBeanInfo model = (ModelMBeanInfo) mbi; final Descriptor[] desc = model.getDescriptors(null); checkDescriptors(info, desc, "model.getDescriptors(null)"); break; } default: System.err.println("UNKNOWN TEST NUMBER " + testno); break; } }