Apache CXF example source code file (EngineLifecycleTest.java)

This example Apache CXF source code file (EngineLifecycleTest.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

cachedoutputstream, classpathresource, classpathresource, dummyinterface, dummyinterface, exception, exception, fileinputstream, httpurlconnection, io, net, network, string, string, test, url, util, webappcontext

The Apache CXF EngineLifecycleTest.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.systest.http_jetty;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

import java.net.HttpURLConnection;
import java.net.InetAddress;

import java.net.Socket;
import java.net.URL;
import java.net.URLConnection;
import java.net.UnknownHostException;
import java.util.Properties;


import org.apache.cxf.Bus;
import org.apache.cxf.endpoint.ServerImpl;
import org.apache.cxf.endpoint.ServerRegistry;
import org.apache.cxf.helpers.IOUtils;

import org.apache.cxf.io.CachedOutputStream;
import org.apache.cxf.testutil.common.TestUtil;
import org.apache.cxf.transport.http_jetty.JettyHTTPDestination;
import org.apache.cxf.transport.http_jetty.JettyHTTPServerEngine;

import org.eclipse.jetty.server.Handler;
import org.eclipse.jetty.webapp.WebAppContext;

import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.context.support.GenericApplicationContext;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;

/**
 * This class tests starting up and shutting down the embedded server when there
 * is extra jetty configuration.
 */
public class EngineLifecycleTest extends Assert {
    private static final String PORT1 = TestUtil.getPortNumber(EngineLifecycleTest.class, 1);
    private static final String PORT2 = TestUtil.getPortNumber(EngineLifecycleTest.class, 2);
    private String close;
    private GenericApplicationContext applicationContext;
    
    
        
    private void readBeans(Resource beanResource) {
        XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(applicationContext);
        reader.loadBeanDefinitions(beanResource);
    }
    
    @Before 
    public void setSystemProperties() {
        close = System.getProperty("org.apache.cxf.transports.http_jetty.DontClosePort");        
        System.setProperty("org.apache.cxf.transports.http_jetty.DontClosePort", "false");
        
    }
    
    @After
    public void resetSystemProperties() {
        if (close != null) {
            System.setProperty("org.apache.cxf.transports.http_jetty.DontClosePort", close);
        }
    }
    
    public void setUpBus(boolean includeService) throws Exception {
        applicationContext = new GenericApplicationContext();
        readBeans(new ClassPathResource("/org/apache/cxf/systest/http_jetty/cxf.xml"));
        readBeans(new ClassPathResource("META-INF/cxf/cxf.xml"));
        readBeans(new ClassPathResource("META-INF/cxf/cxf-extension-soap.xml"));
        readBeans(new ClassPathResource("META-INF/cxf/cxf-extension-http.xml"));
        readBeans(new ClassPathResource("META-INF/cxf/cxf-extension-http-jetty.xml"));
        readBeans(new ClassPathResource("jetty-engine.xml", getClass()));
        if (includeService) {
            readBeans(new ClassPathResource("server-lifecycle-beans.xml", getClass()));
        }
        
        // bring in some property values from a Properties file
        PropertyPlaceholderConfigurer cfg = new PropertyPlaceholderConfigurer();
        Properties properties = new Properties();
        properties.setProperty("staticResourceURL", getStaticResourceURL());
        cfg.setProperties(properties);
        // now actually do the replacement
        cfg.postProcessBeanFactory(applicationContext.getBeanFactory());        
        applicationContext.refresh();
    }
    
    private void invokeService() {        
        DummyInterface client = (DummyInterface) applicationContext.getBean("dummy-client");
        assertEquals("We should get out put from this client", "hello world", client.echo("hello world"));
    }

    private void invokeService8801() {        
        DummyInterface client = (DummyInterface) applicationContext.getBean("dummy-client-8801");
        assertEquals("We should get out put from this client", "hello world", client.echo("hello world"));
    }
    
    private HttpURLConnection getHttpConnection(String target) throws Exception {
        URL url = new URL(target);       
        
        URLConnection connection = url.openConnection();            
        
        assertTrue(connection instanceof HttpURLConnection);
        return (HttpURLConnection)connection;        
    }
    
    private void getTestHtml() throws Exception {
        HttpURLConnection httpConnection = 
            getHttpConnection("http://localhost:" + PORT2 + "/test.html");    
        httpConnection.connect();
        InputStream in = httpConnection.getInputStream();        
        assertNotNull(in);
        CachedOutputStream response = new CachedOutputStream();
        IOUtils.copy(in, response);
        in.close();
        response.close();
              
        FileInputStream htmlFile = 
            new FileInputStream("target/test-classes/org/apache/cxf/systest/http_jetty/test.html");    
        CachedOutputStream html = new CachedOutputStream();
        IOUtils.copy(htmlFile, html);
        htmlFile.close();
        html.close();
        
        assertEquals("Can't get the right test html", html.toString(), response.toString());
    }
    
    public String getStaticResourceURL() throws Exception {
        File staticFile = new File(this.getClass().getResource("test.html").toURI());
        staticFile = staticFile.getParentFile();
        staticFile = staticFile.getAbsoluteFile();
        URL furl = staticFile.toURI().toURL();
        return furl.toString();
    }

    public void shutdownService() throws Exception {   
        Bus bus = (Bus)applicationContext.getBean("cxf");
        bus.shutdown(true);
        applicationContext.destroy();
        applicationContext.close();
                
    }
    
    
    @Test
    public void testUpDownWithServlets() throws Exception {        
        setUpBus(true);
       
        Bus bus = (Bus)applicationContext.getBean("cxf");
        ServerRegistry sr = bus.getExtension(ServerRegistry.class);
        ServerImpl si = (ServerImpl) sr.getServers().get(0);
        JettyHTTPDestination jhd = (JettyHTTPDestination) si.getDestination();
        JettyHTTPServerEngine e = (JettyHTTPServerEngine) jhd.getEngine();
        org.eclipse.jetty.server.Server jettyServer = e.getServer();

        Handler[] contexts = jettyServer.getChildHandlersByClass(WebAppContext.class);
        WebAppContext servletContext = null;
        for (Handler h : contexts) {
            WebAppContext wac = (WebAppContext) h;
            if (wac.getContextPath().equals("/jsunit")) {
                servletContext = wac;
                break;
            }
        }
        servletContext.addServlet("org.eclipse.jetty.servlet.DefaultServlet", "/bloop");
        getTestHtml();
        invokeService();        
        shutdownService();
        verifyNoServer(PORT2);
        verifyNoServer(PORT1);
    }
    
        
    private void verifyNoServer(String port) {
        try {
            Socket socket = new Socket(InetAddress.getLocalHost(), Integer.parseInt(port));
            socket.close();
        } catch (UnknownHostException e) {
            fail("Unknown host for local address");
        } catch (IOException e) {            
            return; // this is what we want.
        }
        fail("Server on port " + port + " accepted a connection.");
        
    }

    /**
     * 
     * @throws Exception
     */
    @Test   
    public void testServerUpDownUp() throws Exception {
        
        setUpBus(true);
        
        getTestHtml();
        invokeService();    
        invokeService8801();
        shutdownService();
        verifyNoServer(PORT2);
        verifyNoServer(PORT1);
        
        
        setUpBus(true);
       
        invokeService();            
        invokeService8801();
        getTestHtml();
        shutdownService();
        verifyNoServer(PORT2);
        verifyNoServer(PORT1);
        

    }

}