Java tutorial
/* * JBoss, Home of Professional Open Source * Copyright 2011, Red Hat, Inc. and individual contributors * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.rhq.plugins.jslee; import java.util.Date; import java.util.Set; import javax.management.MBeanServerConnection; import javax.management.MBeanServerInvocationHandler; import javax.management.ObjectName; import javax.security.auth.login.LoginException; import javax.slee.management.ResourceAdaptorEntityState; import javax.slee.management.ResourceManagementMBean; import javax.slee.resource.ConfigProperties; import javax.slee.resource.ResourceAdaptorID; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.mobicents.slee.container.management.jmx.ActivityManagementMBeanImplMBean; import org.mobicents.slee.container.management.jmx.JmxActivityContextHandle; import org.rhq.core.domain.configuration.Configuration; import org.rhq.core.domain.configuration.ConfigurationUpdateStatus; import org.rhq.core.domain.configuration.Property; import org.rhq.core.domain.configuration.PropertyList; import org.rhq.core.domain.configuration.PropertyMap; import org.rhq.core.domain.configuration.PropertySimple; import org.rhq.core.domain.measurement.AvailabilityType; import org.rhq.core.domain.measurement.MeasurementDataNumeric; import org.rhq.core.domain.measurement.MeasurementDataTrait; import org.rhq.core.domain.measurement.MeasurementReport; import org.rhq.core.domain.measurement.MeasurementScheduleRequest; import org.rhq.core.domain.resource.CreateResourceStatus; import org.rhq.core.pluginapi.configuration.ConfigurationFacet; import org.rhq.core.pluginapi.configuration.ConfigurationUpdateReport; import org.rhq.core.pluginapi.inventory.CreateChildResourceFacet; import org.rhq.core.pluginapi.inventory.CreateResourceReport; import org.rhq.core.pluginapi.inventory.DeleteResourceFacet; import org.rhq.core.pluginapi.inventory.InvalidPluginConfigurationException; import org.rhq.core.pluginapi.inventory.ResourceContext; import org.rhq.core.pluginapi.measurement.MeasurementFacet; import org.rhq.core.pluginapi.operation.OperationFacet; import org.rhq.core.pluginapi.operation.OperationResult; import org.rhq.plugins.jslee.utils.JainSleeServerUtils; import org.rhq.plugins.jslee.utils.MBeanServerUtils; import org.rhq.plugins.jslee.utils.ResourceAdaptorUtils; public class RAEntityComponent implements ResourceAdaptorUtils, ConfigurationFacet, DeleteResourceFacet, CreateChildResourceFacet, OperationFacet, MeasurementFacet { private final Log log = LogFactory.getLog(this.getClass()); private ResourceContext<ResourceAdaptorComponent> resourceContext; private String raEntityName; private ResourceAdaptorID raId = null; private MBeanServerUtils mbeanUtils = null; private ConfigProperties configProperties = null; private ObjectName resourceManagement; public void start(ResourceContext context) throws InvalidPluginConfigurationException, Exception { if (log.isTraceEnabled()) { log.trace("start(" + context + ") called."); } this.resourceContext = context; this.resourceManagement = new ObjectName(ResourceManagementMBean.OBJECT_NAME); this.mbeanUtils = ((JainSleeServerUtils) context.getParentResourceComponent()).getMBeanServerUtils(); String name = this.resourceContext.getPluginConfiguration().getSimple("name").getStringValue(); String version = this.resourceContext.getPluginConfiguration().getSimple("version").getStringValue(); String vendor = this.resourceContext.getPluginConfiguration().getSimple("vendor").getStringValue(); raEntityName = this.resourceContext.getPluginConfiguration().getSimple("entityName").getStringValue(); this.raId = new ResourceAdaptorID(name, vendor, version); } public void stop() { if (log.isTraceEnabled()) { log.trace("stop() called."); } } public AvailabilityType getAvailability() { if (log.isTraceEnabled()) { log.trace("getAvailability() called."); } try { MBeanServerConnection connection = this.mbeanUtils.getConnection(); this.mbeanUtils.login(); ResourceManagementMBean resourceManagementMBean = (ResourceManagementMBean) MBeanServerInvocationHandler .newProxyInstance(connection, this.resourceManagement, javax.slee.management.ResourceManagementMBean.class, false); configProperties = resourceManagementMBean.getConfigurationProperties(this.raEntityName); } catch (Exception e) { log.error("getAvailability failed for ResourceAdaptor Entity = " + this.raEntityName); return AvailabilityType.DOWN; } finally { try { this.mbeanUtils.logout(); } catch (LoginException e) { if (log.isDebugEnabled()) { log.debug("Failed to logout from secured JMX", e); } } } return AvailabilityType.UP; } public void getValues(MeasurementReport report, Set<MeasurementScheduleRequest> metrics) throws Exception { if (log.isTraceEnabled()) { log.trace("getValues(" + report + "," + metrics + ") called."); } for (MeasurementScheduleRequest request : metrics) { if (request.getName().equals("state")) { report.addData(new MeasurementDataTrait(request, this.getState().toString())); } if (request.getName().equals("activites")) { Object[] activities = getActivityContextID(); report.addData( new MeasurementDataNumeric(request, activities == null ? 0.0 : (double) activities.length)); } } } private ResourceAdaptorEntityState getState() throws Exception { try { MBeanServerConnection connection = this.mbeanUtils.getConnection(); this.mbeanUtils.login(); ResourceManagementMBean resourceManagementMBean = (ResourceManagementMBean) MBeanServerInvocationHandler .newProxyInstance(connection, this.resourceManagement, javax.slee.management.ResourceManagementMBean.class, false); return resourceManagementMBean.getState(this.raEntityName); } finally { try { this.mbeanUtils.logout(); } catch (LoginException e) { if (log.isDebugEnabled()) { log.debug("Failed to logout from secured JMX", e); } } } } private Object[] getActivityContextID() throws Exception { try { ObjectName actMana = new ObjectName("org.mobicents.slee:name=ActivityManagementMBean"); MBeanServerConnection connection = this.mbeanUtils.getConnection(); this.mbeanUtils.login(); ActivityManagementMBeanImplMBean aciManagMBean = (ActivityManagementMBeanImplMBean) MBeanServerInvocationHandler .newProxyInstance(connection, actMana, org.mobicents.slee.container.management.jmx.ActivityManagementMBeanImplMBean.class, false); Object[] activities = aciManagMBean .retrieveActivityContextIDByResourceAdaptorEntityName(this.raEntityName); return activities; } finally { try { this.mbeanUtils.logout(); } catch (LoginException e) { if (log.isDebugEnabled()) { log.debug("Failed to logout from secured JMX", e); } } } } public Configuration loadResourceConfiguration() throws Exception { Configuration config = new Configuration(); config.put(new PropertySimple("entityName", this.raEntityName)); PropertyList columnList = new PropertyList("properties"); for (ConfigProperties.Property confProp : this.configProperties.getProperties()) { PropertyMap col = new PropertyMap("propertyDefinition"); col.put(new PropertySimple("propertyName", confProp.getName())); col.put(new PropertySimple("propertyType", confProp.getType())); col.put(new PropertySimple("propertyValue", confProp.getValue())); columnList.add(col); } config.put(columnList); return config; } public void updateResourceConfiguration(ConfigurationUpdateReport configurationUpdateReport) { try { MBeanServerConnection connection = this.mbeanUtils.getConnection(); this.mbeanUtils.login(); ResourceManagementMBean resourceManagementMBean = (ResourceManagementMBean) MBeanServerInvocationHandler .newProxyInstance(connection, this.resourceManagement, javax.slee.management.ResourceManagementMBean.class, false); // Get the JOPR updated properties PropertyList propsList = configurationUpdateReport.getConfiguration().getList("properties"); // Get the current RA Entity properties ConfigProperties cps = resourceManagementMBean.getConfigurationProperties(this.raEntityName); for (Property p : propsList.getList()) { PropertyMap pMap = (PropertyMap) p; String propName = ((PropertySimple) pMap.get("propertyName")).getStringValue(); String propType = ((PropertySimple) pMap.get("propertyType")).getStringValue(); String propValue = ((PropertySimple) pMap.get("propertyValue")).getStringValue(); Object value = null; if (propType.equals("java.lang.String")) { value = propValue; } else if (propType.equals("java.lang.Integer")) { value = Integer.valueOf(propValue); } else if (propType.equals("java.lang.Long")) { value = Long.valueOf(propValue); } ConfigProperties.Property cp = cps.getProperty(propName); if (value != null && cp != null && !value.equals(cp.getValue())) { if (log.isDebugEnabled()) { log.debug("Changing property '" + propName + "' from value [" + cp.getValue() + "] to [" + value + "]."); } cp.setValue(value); } } resourceManagementMBean.updateConfigurationProperties(this.raEntityName, cps); configurationUpdateReport.setStatus(ConfigurationUpdateStatus.SUCCESS); } catch (Exception e) { log.error("Failed to update Resource Configuration.", e); configurationUpdateReport.setErrorMessageFromThrowable(e); configurationUpdateReport.setStatus(ConfigurationUpdateStatus.FAILURE); } finally { try { this.mbeanUtils.logout(); } catch (LoginException e) { if (log.isDebugEnabled()) { log.debug("Failed to logout from secured JMX", e); } } } } public void deleteResource() throws Exception { try { MBeanServerConnection connection = this.mbeanUtils.getConnection(); this.mbeanUtils.login(); ResourceManagementMBean resourceManagementMBean = (ResourceManagementMBean) MBeanServerInvocationHandler .newProxyInstance(connection, this.resourceManagement, javax.slee.management.ResourceManagementMBean.class, false); resourceManagementMBean.removeResourceAdaptorEntity(this.raEntityName); } finally { try { this.mbeanUtils.logout(); } catch (LoginException e) { if (log.isDebugEnabled()) { log.debug("Failed to logout from secured JMX", e); } } } } public ResourceAdaptorID getResourceAdaptorID() { return this.raId; } public MBeanServerUtils getMBeanServerUtils() { return this.mbeanUtils; } public String getRAEntityName() { return this.raEntityName; } public CreateResourceReport createResource(CreateResourceReport report) { try { Configuration configuration = report.getResourceConfiguration(); String linkName = configuration.getSimple("linkName").getStringValue(); MBeanServerConnection connection = this.mbeanUtils.getConnection(); this.mbeanUtils.login(); ResourceManagementMBean resourceManagementMBean = (ResourceManagementMBean) MBeanServerInvocationHandler .newProxyInstance(connection, this.resourceManagement, javax.slee.management.ResourceManagementMBean.class, false); report.setResourceKey(linkName); resourceManagementMBean.bindLinkName(this.raEntityName, linkName); report.setStatus(CreateResourceStatus.SUCCESS); report.setResourceName(linkName); } catch (Exception e) { log.error("Adding new ResourceAdaptor Entity failed ", e); report.setException(e); report.setStatus(CreateResourceStatus.FAILURE); } finally { try { this.mbeanUtils.logout(); } catch (LoginException e) { if (log.isDebugEnabled()) { log.debug("Failed to logout from secured JMX", e); } } } return report; } public OperationResult invokeOperation(String name, Configuration parameters) throws InterruptedException, Exception { if (log.isDebugEnabled()) { log.debug("invokeOperation(" + name + ", " + parameters + ") called."); } OperationResult result = new OperationResult(); if ("changeRaEntityState".equals(name)) { result = doChangeRaEntityState(parameters); } else if ("listActivityContexts".equals(name)) { result = doListActivityContexts(); } else { throw new UnsupportedOperationException("Operation [" + name + "] is not supported yet."); } return result; } private OperationResult doChangeRaEntityState(Configuration parameters) throws Exception { try { String message = null; String action = parameters.getSimple("action").getStringValue(); MBeanServerConnection connection = this.mbeanUtils.getConnection(); this.mbeanUtils.login(); ResourceManagementMBean resourceManagementMBean = (ResourceManagementMBean) MBeanServerInvocationHandler .newProxyInstance(connection, this.resourceManagement, javax.slee.management.ResourceManagementMBean.class, false); if ("activate".equals(action)) { resourceManagementMBean.activateResourceAdaptorEntity(this.raEntityName); message = "Successfully Activated Resource Adaptor Entity " + this.raEntityName; } else if ("deactivate".equals(action)) { resourceManagementMBean.deactivateResourceAdaptorEntity(this.raEntityName); message = "Successfully DeActivated Resource Adaptor Entity " + this.raEntityName; } OperationResult result = new OperationResult(); result.getComplexResults().put(new PropertySimple("result", message)); return result; } finally { try { this.mbeanUtils.logout(); } catch (LoginException e) { if (log.isDebugEnabled()) { log.debug("Failed to logout from secured JMX", e); } } } } private OperationResult doListActivityContexts() throws Exception { try { MBeanServerConnection connection = this.mbeanUtils.getConnection(); this.mbeanUtils.login(); ObjectName actMana = new ObjectName("org.mobicents.slee:name=ActivityManagementMBean"); ActivityManagementMBeanImplMBean aciManagMBean = (ActivityManagementMBeanImplMBean) MBeanServerInvocationHandler .newProxyInstance(connection, actMana, org.mobicents.slee.container.management.jmx.ActivityManagementMBeanImplMBean.class, false); Object[] activities = aciManagMBean .retrieveActivityContextIDByResourceAdaptorEntityName(this.raEntityName); // Object[] activities = aciManagMBean.listActivityContexts(true); PropertyList columnList = new PropertyList("result"); if (activities != null) { for (Object obj : activities) { Object[] tempObjects = (Object[]) obj; PropertyMap col = new PropertyMap("element"); Object tempObj = tempObjects[0]; PropertySimple activityHandle = new PropertySimple("ActivityHandle", tempObj != null ? ((JmxActivityContextHandle) tempObj).getActivityHandleToString() : "-"); col.put(activityHandle); col.put(new PropertySimple("Class", tempObjects[1])); tempObj = tempObjects[2]; Date d = new Date(Long.parseLong((String) tempObj)); col.put(new PropertySimple("LastAccessTime", d)); tempObj = tempObjects[3]; col.put(new PropertySimple("ResourceAdaptor", tempObj == null ? "-" : tempObj)); tempObj = tempObjects[4]; // PropertyList propertyList = new PropertyList("SbbAttachments"); String[] strArr = (String[]) tempObj; StringBuffer sb = new StringBuffer(); for (String s : strArr) { // PropertyMap SbbAttachment = new PropertyMap("SbbAttachment"); // SbbAttachment.put(new PropertySimple("SbbAttachmentValue", s)); // propertyList.add(SbbAttachment); sb.append(s).append("; "); } col.put(new PropertySimple("SbbAttachmentValue", sb.toString())); tempObj = tempObjects[5]; // propertyList = new PropertyList("NamesBoundTo"); sb = new StringBuffer(); strArr = (String[]) tempObj; for (String s : strArr) { // PropertyMap NameBoundTo = new PropertyMap("NameBoundTo"); // NameBoundTo.put(new PropertySimple("NameBoundToValue", s)); // propertyList.add(NameBoundTo); sb.append(s).append("; "); } col.put(new PropertySimple("NameBoundToValue", sb.toString())); tempObj = tempObjects[6]; // propertyList = new PropertyList("Timers"); sb = new StringBuffer(); strArr = (String[]) tempObj; for (String s : strArr) { // PropertyMap Timer = new PropertyMap("Timer"); // Timer.put(new PropertySimple("TimerValue", s)); // propertyList.add(Timer); sb.append(s).append("; "); } col.put(new PropertySimple("TimerValue", sb.toString())); tempObj = tempObjects[7]; // propertyList = new PropertyList("DataProperties"); sb = new StringBuffer(); strArr = (String[]) tempObj; for (String s : strArr) { // PropertyMap DataProperty = new PropertyMap("DataProperty"); // DataProperty.put(new PropertySimple("DataPropertyValue", s)); // propertyList.add(DataProperty); sb.append(s).append("; "); } col.put(new PropertySimple("DataPropertyValue", sb.toString())); columnList.add(col); } } OperationResult result = new OperationResult(); result.getComplexResults().put(columnList); return result; } finally { try { this.mbeanUtils.logout(); } catch (LoginException e) { if (log.isDebugEnabled()) { log.debug("Failed to logout from secured JMX", e); } } } } }