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https://issues.apache.org/jira/browse/AMQ-4869

This commit is contained in:
Timothy Bish 2013-11-11 12:05:52 -05:00
parent 6552287221
commit b0b3a169ce
1 changed files with 100 additions and 122 deletions
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222
activemq-web/src/main/java/org/apache/activemq/web/RemoteJMXBrokerFacade.java
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@ -45,13 +45,11 @@ import org.slf4j.LoggerFactory;
/**
* A {@link BrokerFacade} which uses a JMX-Connection to communicate with a
* broker
*
*
*/
public class RemoteJMXBrokerFacade extends BrokerFacadeSupport {
private static final transient Logger LOG = LoggerFactory.getLogger(RemoteJMXBrokerFacade.class);
private String brokerName;
private JMXConnector connector;
private WebConsoleConfiguration configuration;
@ -61,47 +59,38 @@ public class RemoteJMXBrokerFacade extends BrokerFacadeSupport {
}
public WebConsoleConfiguration getConfiguration() {
return configuration;
}
return configuration;
}
public void setConfiguration(WebConsoleConfiguration configuration) {
this.configuration = configuration;
}
public void setConfiguration(WebConsoleConfiguration configuration) {
this.configuration = configuration;
}
/**
/**
* Shutdown this facade aka close any open connection.
*/
public void shutdown() {
closeConnection();
}
private ObjectName getBrokerObjectName(MBeanServerConnection connection)
throws IOException, MalformedObjectNameException {
Set<ObjectName> brokers = findBrokers(connection);
if (brokers.size() == 0) {
throw new IOException("No broker could be found in the JMX.");
}
ObjectName name = brokers.iterator().next();
return name;
}
@Override
public BrokerViewMBean getBrokerAdmin() throws Exception {
MBeanServerConnection connection = getMBeanServerConnection();
Set brokers = findBrokers(connection);
Set<ObjectName> brokers = findBrokers(connection);
if (brokers.size() == 0) {
throw new IOException("No broker could be found in the JMX.");
}
ObjectName name = (ObjectName)brokers.iterator().next();
BrokerViewMBean mbean = (BrokerViewMBean)MBeanServerInvocationHandler.newProxyInstance(connection, name, BrokerViewMBean.class, true);
ObjectName name = brokers.iterator().next();
BrokerViewMBean mbean = MBeanServerInvocationHandler.newProxyInstance(connection, name, BrokerViewMBean.class, true);
return mbean;
}
public String getBrokerName() throws Exception,
MalformedObjectNameException {
@Override
public String getBrokerName() throws Exception, MalformedObjectNameException {
return getBrokerAdmin().getBrokerName();
}
protected MBeanServerConnection getMBeanServerConnection() throws Exception {
JMXConnector connector = this.connector;
if (isConnectionActive(connector)) {
@ -110,7 +99,6 @@ public class RemoteJMXBrokerFacade extends BrokerFacadeSupport {
synchronized (this) {
closeConnection();
LOG.debug("Creating a new JMX-Connection to the broker");
this.connector = createConnection();
return this.connector.getMBeanServerConnection();
@ -134,117 +122,108 @@ public class RemoteJMXBrokerFacade extends BrokerFacadeSupport {
protected JMXConnector createConnection() {
Map<String, Object> env = new HashMap<String, Object>();
if (this.configuration.getJmxUser() != null) {
env.put("jmx.remote.credentials", new String[] {
this.configuration.getJmxUser(),
this.configuration.getJmxPassword() });
}
if (this.configuration.getJmxUser() != null) {
env.put("jmx.remote.credentials", new String[] { this.configuration.getJmxUser(), this.configuration.getJmxPassword() });
}
Collection<JMXServiceURL> jmxUrls = this.configuration.getJmxUrls();
Exception exception = null;
for (JMXServiceURL url : jmxUrls) {
try {
JMXConnector connector = JMXConnectorFactory.connect(url, env);
connector.connect();
MBeanServerConnection connection = connector
.getMBeanServerConnection();
for (JMXServiceURL url : jmxUrls) {
try {
JMXConnector connector = JMXConnectorFactory.connect(url, env);
connector.connect();
MBeanServerConnection connection = connector.getMBeanServerConnection();
Set<ObjectName> brokers = findBrokers(connection);
if (brokers.size() > 0) {
LOG.info("Connected via JMX to the broker at " + url);
return connector;
}
} catch (Exception e) {
// Keep the exception for later
exception = e;
}
}
if (exception != null) {
if (exception instanceof RuntimeException) {
throw (RuntimeException) exception;
} else {
throw new RuntimeException(exception);
}
}
throw new IllegalStateException("No broker is found at any of the "
+ jmxUrls.size() + " configured urls");
}
Set<ObjectName> brokers = findBrokers(connection);
if (brokers.size() > 0) {
LOG.info("Connected via JMX to the broker at " + url);
return connector;
}
} catch (Exception e) {
// Keep the exception for later
exception = e;
}
}
if (exception != null) {
if (exception instanceof RuntimeException) {
throw (RuntimeException) exception;
} else {
throw new RuntimeException(exception);
}
}
throw new IllegalStateException("No broker is found at any of the " + jmxUrls.size() + " configured urls");
}
protected synchronized void closeConnection() {
if (connector != null) {
try {
LOG.debug("Closing a connection to a broker (" + connector.getConnectionId() + ")");
connector.close();
} catch (IOException e) {
// Ignore the exception, since it most likly won't matter
// anymore
// Ignore the exception, since it most likly won't matter anymore
}
}
}
/**
* Finds all ActiveMQ-Brokers registered on a certain JMX-Server or, if a
* JMX-BrokerName has been set, the broker with that name.
*
* @param connection
* not <code>null</code>
* @return Set with ObjectName-elements
* @throws IOException
* @throws MalformedObjectNameException
*/
@SuppressWarnings("unchecked")
protected Set<ObjectName> findBrokers(MBeanServerConnection connection)
throws IOException, MalformedObjectNameException {
ObjectName name;
if (this.brokerName == null) {
name = new ObjectName("org.apache.activemq:type=Broker,brokerName=*");
} else {
name = new ObjectName("org.apache.activemq:brokerName="
+ this.brokerName + ",Type=broker");
}
/**
* Finds all ActiveMQ-Brokers registered on a certain JMX-Server or, if a
* JMX-BrokerName has been set, the broker with that name.
*
* @param connection
* not <code>null</code>
* @return Set with ObjectName-elements
* @throws IOException
* @throws MalformedObjectNameException
*/
protected Set<ObjectName> findBrokers(MBeanServerConnection connection) throws IOException, MalformedObjectNameException {
ObjectName name;
if (this.brokerName == null) {
name = new ObjectName("org.apache.activemq:type=Broker,brokerName=*");
} else {
name = new ObjectName("org.apache.activemq:type=Broker,brokerName=" + this.brokerName);
}
Set<ObjectName> brokers = connection.queryNames(name, null);
Set<ObjectName> masterBrokers = new HashSet<ObjectName>();
for (ObjectName objectName : brokers) {
BrokerViewMBean mbean = (BrokerViewMBean)MBeanServerInvocationHandler.newProxyInstance(connection, objectName, BrokerViewMBean.class, true);
if (!mbean.isSlave()) masterBrokers.add(objectName);
}
return masterBrokers;
}
public void purgeQueue(ActiveMQDestination destination) throws Exception {
QueueViewMBean queue = getQueue(destination.getPhysicalName());
queue.purge();
}
public ManagementContext getManagementContext() {
throw new IllegalStateException("not supported");
}
Set<ObjectName> brokers = connection.queryNames(name, null);
Set<ObjectName> masterBrokers = new HashSet<ObjectName>();
for (ObjectName objectName : brokers) {
BrokerViewMBean mbean = MBeanServerInvocationHandler.newProxyInstance(connection, objectName, BrokerViewMBean.class, true);
if (!mbean.isSlave())
masterBrokers.add(objectName);
}
return masterBrokers;
}
@SuppressWarnings("unchecked")
protected <T> Collection<T> getManagedObjects(ObjectName[] names,
Class<T> type) {
MBeanServerConnection connection;
try {
connection = getMBeanServerConnection();
} catch (Exception e) {
throw new RuntimeException(e);
}
@Override
public void purgeQueue(ActiveMQDestination destination) throws Exception {
QueueViewMBean queue = getQueue(destination.getPhysicalName());
queue.purge();
}
List<T> answer = new ArrayList<T>();
if (connection != null) {
for (int i = 0; i < names.length; i++) {
ObjectName name = names[i];
T value = (T) MBeanServerInvocationHandler.newProxyInstance(
connection, name, type, true);
if (value != null) {
answer.add(value);
}
}
}
return answer;
@Override
public ManagementContext getManagementContext() {
throw new IllegalStateException("not supported");
}
@Override
protected <T> Collection<T> getManagedObjects(ObjectName[] names, Class<T> type) {
MBeanServerConnection connection;
try {
connection = getMBeanServerConnection();
} catch (Exception e) {
throw new RuntimeException(e);
}
List<T> answer = new ArrayList<T>();
if (connection != null) {
for (int i = 0; i < names.length; i++) {
ObjectName name = names[i];
T value = MBeanServerInvocationHandler.newProxyInstance(connection, name, type, true);
if (value != null) {
answer.add(value);
}
}
}
return answer;
}
@Override
@ -253,8 +232,7 @@ public class RemoteJMXBrokerFacade extends BrokerFacadeSupport {
}
@Override
public Object newProxyInstance(ObjectName objectName, Class interfaceClass,boolean notificationBroadcaster) throws Exception {
public Object newProxyInstance(ObjectName objectName, Class interfaceClass, boolean notificationBroadcaster) throws Exception {
return MBeanServerInvocationHandler.newProxyInstance(getMBeanServerConnection(), objectName, interfaceClass, notificationBroadcaster);
}
}