Java tutorial
/* * Jopr 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, version 2, as * published by the Free Software Foundation, and/or the GNU Lesser * General Public License, version 2.1, also as published by the Free * Software Foundation. * * 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 and the GNU Lesser General Public License * for more details. * * You should have received a copy of the GNU General Public License * and the GNU Lesser General Public License along with this program; * if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package org.rhq.plugins.jbosscache; import java.io.File; import javax.management.MalformedObjectNameException; import javax.management.ObjectName; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.mc4j.ems.connection.EmsConnection; import org.rhq.core.domain.configuration.Configuration; import org.rhq.core.domain.measurement.AvailabilityType; import org.rhq.core.domain.resource.CreateResourceStatus; import org.rhq.core.pluginapi.inventory.CreateChildResourceFacet; import org.rhq.core.pluginapi.inventory.CreateResourceReport; import org.rhq.core.pluginapi.inventory.ResourceComponent; import org.rhq.core.pluginapi.inventory.ResourceContext; import org.rhq.plugins.jbossas.JBossASServerComponent; import org.rhq.plugins.jbossas.util.FileNameUtility; import org.rhq.plugins.jmx.JMXComponent; /** * Manage the Jboss cache instances found * * @author Heiko W. Rupp */ public class JBossCacheSubsystemComponent<T extends JMXComponent<JBossASServerComponent<?>>> implements ResourceComponent<T>, CreateChildResourceFacet { private final Log log = LogFactory.getLog(JBossCacheSubsystemComponent.class); ResourceContext<T> ctx; public AvailabilityType getAvailability() { return AvailabilityType.UP; } public void stop() { // TODO Auto-generated method stub } public CreateResourceReport createResource(CreateResourceReport report) { JBossASServerComponent parentResourceComponent = (JBossASServerComponent) ctx.getParentResourceComponent(); Configuration config = report.getResourceConfiguration(); String name = report.getUserSpecifiedResourceName(); // String name = config.getSimple("MBeanName").getStringValue(); // PropertySimple nameTemplateProp = report.getPluginConfiguration().getSimple("nameTemplate"); // String rName = nameTemplateProp.getStringValue(); //noinspection ConstantConditions // rName = rName.replace("{name}", name); // TODO check for duplcicate name/mbean // PropertySimple pluginNameProperty = new PropertySimple("name", rName); // ctx.getPluginConfiguration().put(pluginNameProperty); File deployDir = new File(parentResourceComponent.getConfigurationPath() + "/deploy"); File deploymentFile = new File(deployDir, FileNameUtility.formatFileName(name) + "-cache-service.xml"); String flavour = config.getSimple("Flavour").getStringValue(); boolean isTc = false; if (flavour != null && flavour.startsWith("tree")) isTc = true; String mbeanName = "jboss.cache:name=" + name; try { CacheConfigurationHelper helper = new CacheConfigurationHelper(); helper.writeConfig(deploymentFile, config, mbeanName, false); } catch (Exception ioe) { ioe.printStackTrace(); // TODO remove later report.setErrorMessage(ioe.getLocalizedMessage()); report.setException(ioe); report.setStatus(CreateResourceStatus.FAILURE); return report; } String objectName = mbeanName; if (isTc) objectName += ",treecache-interceptor=CacheMgmtInterceptor"; else objectName += ",cache-interceptor=CacheMgmtInterceptor"; try { ObjectName on = new ObjectName(objectName); objectName = on.getCanonicalName(); report.setResourceKey(objectName); } catch (MalformedObjectNameException e) { log.warn("Invalid key [" + objectName + "]: " + e.getMessage()); return report; } report.setResourceName(name); // TODO ok? or better objectName? // try { // parentResourceComponent.deployFile(deploymentFile); // } // catch (Exception e) { // JBossASServerComponent.setErrorOnCreateResourceReport(report, e.getLocalizedMessage(), e); // return report; // } report.setStatus(CreateResourceStatus.SUCCESS); return report; } public EmsConnection getEmsConnection() { return ctx.getParentResourceComponent().getEmsConnection(); } public void start(ResourceContext<T> context) throws Exception { // TODO Auto-generated method stub ctx = context; } }