Apache CXF example source code file (JMXManagedComponentManagerTest.java)

This example Apache CXF source code file (JMXManagedComponentManagerTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Apache CXF tags/keywords

exception, exception, incorrect, instrumentationmanagerimpl, john, management, name_attribute, object, object, objectname, objectname, smith, string, string, test

The Apache CXF JMXManagedComponentManagerTest.java source code

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.cxf.management.jmx;

import java.lang.management.ManagementFactory;

import javax.management.InstanceAlreadyExistsException;
import javax.management.InstanceNotFoundException;
import javax.management.JMException;
import javax.management.MBeanServer;
import javax.management.ObjectName;

import org.apache.cxf.management.jmx.export.AnnotationTestInstrumentation;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

public class JMXManagedComponentManagerTest extends Assert {
       
    private static final String NAME_ATTRIBUTE = "Name";    
    private InstrumentationManagerImpl manager;
    
    @Before
    public void setUp() throws Exception {
        manager = new InstrumentationManagerImpl(); 
        manager.setDaemon(false);
        manager.setThreaded(true);
        manager.setEnabled(true);
        manager.setJMXServiceURL("service:jmx:rmi:///jndi/rmi://localhost:9913/jmxrmi");
        manager.init();
        //Wait for MBeanServer connector to be initialized on separate thread.
        Thread.sleep(2000);
    }
    
    @After
    public void tearDown() throws Exception {
        manager.shutdown();
    }
    
    @Test
    public void testRegisterInstrumentation() throws Exception {
        //manager.setDaemon(false);
        //manager.setThreaded(false);
        //manager.setJMXServiceURL("service:jmx:rmi:///jndi/rmi://localhost:9913/jmxrmi");
        //manager.init();

        AnnotationTestInstrumentation im = new AnnotationTestInstrumentation();
        ObjectName name = new ObjectName("org.apache.cxf:type=foo,name=bar");        
        im.setName("John Smith");          
        manager.register(im, name);
        
        Object val = manager.getMBeanServer().getAttribute(name, NAME_ATTRIBUTE);
        assertEquals("Incorrect result", "John Smith", val);
        
        try {
            manager.register(im, name);
            fail("Registering with existing name should fail.");
        } catch (JMException jmex) {
            //Expected
        }
        
        manager.register(im, name, true);                
        
        val = manager.getMBeanServer().getAttribute(name, NAME_ATTRIBUTE);
        assertEquals("Incorrect result", "John Smith", val);
        manager.unregister(name);
        
        im.setName("Foo Bar");  
        name = manager.register(im);

        val = manager.getMBeanServer().getAttribute(name, NAME_ATTRIBUTE);
        assertEquals("Incorrect result", "Foo Bar", val);
        
        try {
            manager.register(im);
            fail("Registering with existing name should fail.");
        } catch (JMException jmex) {
            //Expected
        }        
        
        name = manager.register(im, true);
        
        val = manager.getMBeanServer().getAttribute(name, NAME_ATTRIBUTE);
        assertEquals("Incorrect result", "Foo Bar", val);
        
        manager.unregister(im);
    }

    @Test
    public void testRegisterStandardMBean() throws Exception {
        ObjectName name = this.registerStandardMBean("yo!");
        String result = 
            (String)manager.getMBeanServer().invoke(name, "sayHi", new Object[0], new String[0]);    
        assertEquals("Wazzzuuup yo!", result);
    }
    
    /**
     * Simulate repeated startup and shutdown of the CXF Bus in an environment
     * where the container and MBeanServer are not shutdown between CXF restarts.
     */
    @Test
    public void testBusLifecycleListener() throws Exception {
        // We need to destroy the manager that is automatically setup by the test.
        this.tearDown();
        
        MBeanServer server = ManagementFactory.getPlatformMBeanServer();
        
        this.manager = new InstrumentationManagerImpl(); 
        this.manager.setDaemon(false);
        // Turn threading off so that we get the exception in this thread
        // and the manager is set into a failed state if the connector
        // cannot be created.
        this.manager.setThreaded(false);
        this.manager.setEnabled(true);
        this.manager.setJMXServiceURL("service:jmx:rmi:///jndi/rmi://localhost:9913/jmxrmi");
        this.manager.setServer(server);
        this.manager.register();
        this.manager.init();
        
        ObjectName name = this.registerStandardMBean("yo!");
        String result = 
            (String)manager.getMBeanServer().invoke(name, "sayHi", new Object[0], new String[0]);    
        assertEquals("Wazzzuuup yo!", result);
        
        try {
            name = this.registerStandardMBean("yo!");
            fail("registered duplicate MBean");
        } catch (InstanceAlreadyExistsException e) {
            // expected
        }
        
        this.manager.preShutdown();
        this.manager.postShutdown();
        
        try {
            this.manager.getMBeanServer().invoke(name, "sayHi", new Object[0], new String[0]);
            fail("MBean not unregistered on shutdown.");
        } catch (InstanceNotFoundException e) {
            // expected
        }
        
        this.manager = new InstrumentationManagerImpl(); 
        this.manager.setDaemon(false);
        // Turn threading off so that we get the exception in this thread
        // and the manager is set into a failed state if the connector
        // cannot be created.
        this.manager.setThreaded(false);
        this.manager.setEnabled(true);
        this.manager.setJMXServiceURL("service:jmx:rmi:///jndi/rmi://localhost:9913/jmxrmi");
        this.manager.setServer(server);
        this.manager.register();
        this.manager.init();
        
        name = this.registerStandardMBean("yoyo!");
        result = 
            (String)manager.getMBeanServer().invoke(name, "sayHi", new Object[0], new String[0]);    
        assertEquals("Wazzzuuup yoyo!", result);
    }
    
    private ObjectName registerStandardMBean(String name) throws Exception {
        final HelloWorld hw = new HelloWorld(name);
        final ObjectName oName = new ObjectName("org.apache.cxf:type=foo,name=bar");
        this.manager.register(hw, oName);
        return oName;
    }
}