Java tutorial
/* * RHQ Management Platform * Copyright (C) 2005-2008 Red Hat, Inc. * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ package org.jboss.on.plugins.tomcat.test; import java.io.File; import java.util.HashSet; import java.util.LinkedList; import java.util.Queue; import java.util.Set; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.testng.annotations.AfterSuite; import org.testng.annotations.BeforeSuite; import org.testng.annotations.Test; import org.rhq.core.clientapi.server.discovery.InventoryReport; import org.rhq.core.domain.resource.Resource; import org.rhq.core.pc.PluginContainer; import org.rhq.core.pc.PluginContainerConfiguration; import org.rhq.core.pc.plugin.FileSystemPluginFinder; import org.rhq.core.pc.plugin.PluginEnvironment; import org.rhq.core.pc.plugin.PluginManager; /** * @author Fady Matar */ @Test(groups = "tomcat-plugin") public class TomcatPluginTest { private Log log = LogFactory.getLog(this.getClass()); private static final String PLUGIN_NAME = "Tomcat"; @BeforeSuite public void start() { try { File pluginDir = new File("target/itest/plugins"); PluginContainerConfiguration pcConfig = new PluginContainerConfiguration(); pcConfig.setPluginFinder(new FileSystemPluginFinder(pluginDir)); pcConfig.setPluginDirectory(pluginDir); pcConfig.setInsideAgent(false); PluginContainer.getInstance().setConfiguration(pcConfig); PluginContainer.getInstance().initialize(); log.info("PC started."); for (String plugin : PluginContainer.getInstance().getPluginManager().getMetadataManager() .getPluginNames()) { log.info("...Loaded plugin: " + plugin); } } catch (Exception e) { e.printStackTrace(); } } @AfterSuite public void stop() { PluginContainer.getInstance().shutdown(); } @Test public void testPluginLoad() { PluginManager pluginManager = PluginContainer.getInstance().getPluginManager(); PluginEnvironment pluginEnvironment = pluginManager.getPlugin(PLUGIN_NAME); assert (pluginEnvironment != null) : "Null environment, plugin not loaded"; assert (pluginEnvironment.getPluginName().equals(PLUGIN_NAME)); } @Test(dependsOnMethods = "testPluginLoad") public void testDiscovery() throws Exception { InventoryReport report = PluginContainer.getInstance().getInventoryManager().executeServerScanImmediately(); assert report != null; log.info("Discovery took: " + (report.getEndTime() - report.getStartTime()) + "ms"); Set<Resource> resources = findResource(PluginContainer.getInstance().getInventoryManager().getPlatform(), "Tomcat"); log.info("Found " + resources.size() + " ews / apache tomcat instance(s)."); } private Set<Resource> findResource(Resource parent, String typeName) { Set<Resource> foundResources = new HashSet<Resource>(); Queue<Resource> discoveryQueue = new LinkedList<Resource>(); discoveryQueue.add(parent); while (!discoveryQueue.isEmpty()) { Resource currentResource = discoveryQueue.poll(); log.info("Discovered resource of type: " + currentResource.getResourceType().getName()); if (currentResource.getResourceType().getName().equals(typeName)) { foundResources.add(currentResource); } for (Resource child : currentResource.getChildResources()) { discoveryQueue.add(child); } } return foundResources; } }