private ObjectName jmxRegister()

in src/main/java/org/apache/commons/pool3/impl/BaseGenericObjectPool.java [1150:1198]
42 lines of code
10 McCabe index (conditional complexity)

    private ObjectName jmxRegister(final BaseObjectPoolConfig<T> config,
            final String jmxNameBase, String jmxNamePrefix) {
        ObjectName newObjectName = null;
        final MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
        int i = 1;
        boolean registered = false;
        String base = config.getJmxNameBase();
        if (base == null) {
            base = jmxNameBase;
        }
        while (!registered) {
            try {
                ObjectName objName;
                // Skip the numeric suffix for the first pool in case there is
                // only one so the names are cleaner.
                if (i == 1) {
                    objName = new ObjectName(base + jmxNamePrefix);
                } else {
                    objName = new ObjectName(base + jmxNamePrefix + i);
                }
                if (!mbs.isRegistered(objName)) {
                    mbs.registerMBean(this, objName);
                    newObjectName = objName;
                    registered = true;
                } else {
                    // Increment the index and try again
                    i++;
                }
            } catch (final MalformedObjectNameException e) {
                if (BaseObjectPoolConfig.DEFAULT_JMX_NAME_PREFIX.equals(
                        jmxNamePrefix) && jmxNameBase.equals(base)) {
                    // Shouldn't happen. Skip registration if it does.
                    registered = true;
                } else {
                    // Must be an invalid name. Use the defaults instead.
                    jmxNamePrefix =
                            BaseObjectPoolConfig.DEFAULT_JMX_NAME_PREFIX;
                    base = jmxNameBase;
                }
            } catch (final InstanceAlreadyExistsException e) {
                // Increment the index and try again
                i++;
            } catch (final MBeanRegistrationException | NotCompliantMBeanException e) {
                // Shouldn't happen. Skip registration if it does.
                registered = true;
            }
        }
        return newObjectName;
    }