/*
* 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.jbosscache3;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.management.ObjectName;
import org.mc4j.ems.connection.EmsConnection;
import org.mc4j.ems.connection.bean.EmsBean;
import org.rhq.core.domain.configuration.Configuration;
import org.rhq.core.domain.configuration.PropertySimple;
import org.rhq.core.domain.resource.ResourceType;
import org.rhq.core.pluginapi.inventory.DiscoveredResourceDetails;
import org.rhq.core.pluginapi.inventory.InvalidPluginConfigurationException;
import org.rhq.core.pluginapi.inventory.ResourceDiscoveryComponent;
import org.rhq.core.pluginapi.inventory.ResourceDiscoveryContext;
import org.rhq.plugins.jbossas5.ProfileServiceComponent;
import org.rhq.plugins.jmx.util.ObjectNameQueryUtility;
/**
*
* @author Filip Drabek
*
*/
public class JBossCacheDiscoveryComponent implements
ResourceDiscoveryComponent<ProfileServiceComponent<?>> {
private String REGEX = "(,|:)jmx-resource=[^,]*(,|\\z)";
private static String[] RESOURCE_NAME_KEY_PROPS = { "cluster", "config" };
private static final String DEFAULT_RESOURCE_DESCRIPTION = "JBoss Cache";
public Set<DiscoveredResourceDetails> discoverResources(
ResourceDiscoveryContext<ProfileServiceComponent<?>> context)
throws InvalidPluginConfigurationException, Exception {
ProfileServiceComponent parentComponent = context
.getParentResourceComponent();
Configuration defaultPluginConfig = context.getDefaultPluginConfiguration();
EmsConnection connection = parentComponent.getEmsConnection();
Set<DiscoveredResourceDetails> resources = new HashSet<DiscoveredResourceDetails>();
Pattern pattern = Pattern.compile(REGEX);
ObjectNameQueryUtility queryUtility = new ObjectNameQueryUtility(
defaultPluginConfig.getSimple(JBossCacheComponent.CACHE_SEARCH_STRING).getStringValue());
List<EmsBean> cacheBeans = connection.queryBeans(queryUtility
.getTranslatedQuery());
HashSet<String> beanNames = new HashSet<String>();
for (EmsBean bean : cacheBeans) {
String beanName = bean.getBeanName().toString();
Matcher m = pattern.matcher(beanName);
if (m.find()) {
beanName = m.replaceFirst(m.group(2).equals(",") ? m
.group(1) : "");
if (!beanNames.contains(beanName)) {
beanNames.add(beanName);
}
}
}
for (String beanName : beanNames) {
Configuration pluginConfig = context.getDefaultPluginConfiguration();
pluginConfig.put(new PropertySimple(
JBossCacheComponent.CACHE_SEARCH_STRING, beanName));
String resourceName = beanName;
ObjectName objName = new ObjectName(beanName);
for (String objectName : RESOURCE_NAME_KEY_PROPS) {
if (objName.getKeyProperty(objectName) != null) {
resourceName = objName.getKeyProperty(objectName);
}
}
ResourceType resourceType = context.getResourceType();
resources.add(new DiscoveredResourceDetails(resourceType, beanName,
resourceName, null, DEFAULT_RESOURCE_DESCRIPTION, pluginConfig, null));
}
return resources;
}
}