/*
* NOTE: This copyright does *not* cover user programs that use HQ
* program services by normal system calls through the application
* program interfaces provided as part of the Hyperic Plug-in Development
* Kit or the Hyperic Client Development Kit - this is merely considered
* normal use of the program, and does *not* fall under the heading of
* "derived work".
*
* Copyright (C) [2004, 2005, 2006], Hyperic, Inc.
* This file is part of HQ.
*
* HQ is free software; you can redistribute it and/or modify
* it under the terms version 2 of the GNU General Public License 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*/
package org.hyperic.hq.product.jmx;
import java.io.IOException;
import java.rmi.RemoteException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import javax.management.MBeanInfo;
import javax.management.MBeanServerConnection;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import org.hyperic.hq.product.PluginException;
import org.hyperic.hq.product.ServerDetector;
import org.hyperic.hq.product.StringMatcher;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class MxServerQuery extends MxQuery {
private static final Log log =
LogFactory.getLog(MxServerQuery.class);
private String installPath;
private String version;
private List services = new ArrayList();
public MxServerQuery(ServerDetector detector) {
setServerDetector(detector);
}
public List getServiceQueries() {
return this.services;
}
public void findServices(MBeanServerConnection mServer)
throws PluginException {
Map servicePlugins = getServerDetector().getServiceInventoryPlugins();
log.debug("[findServices] servicePlugins="+servicePlugins);
if (servicePlugins == null) {
return;
}
for (Iterator it=servicePlugins.entrySet().iterator(); it.hasNext();) {
Map.Entry entry = (Map.Entry)it.next();
String type = (String)entry.getKey();
String name = (String)entry.getValue();
MxObjectNameQuery query;
if (name == null) {
query = new MxObjectNameQuery();
}
else {
try {
Class plugin = Class.forName(name);
query = (MxObjectNameQuery)plugin.newInstance();
} catch (Exception e) {
log.error("Creating " + name + ": " + e, e);
continue;
}
}
query.setType(type);
query.setParent(this);
try {
findServices(mServer, query);
} catch (IllegalArgumentException e) {
String msg =
"Error running query for " + type + ": " +
e.getMessage();
e.printStackTrace();
System.out.println(msg);
}
}
}
private void findServices(MBeanServerConnection mServer, MxServiceQuery query)
throws PluginException {
boolean isDebug = log.isDebugEnabled();
query.initialize();
Set services;
ObjectName name;
String mbeanClass = query.getMBeanClass();
String filter = query.getObjectNameFilter();
StringMatcher matcher = null;
if (filter != null) {
matcher = new StringMatcher();
if (filter.charAt(0) == '!') {
matcher.setExcludes(filter.substring(1));
}
else {
matcher.setIncludes(filter);
}
}
try {
name = new ObjectName(query.getQueryName());
log.debug("[findServices] name="+name);
services = mServer.queryNames(name, null);
log.debug("[findServices] services=("+services.size()+")"+services);
} catch (MalformedObjectNameException e) {
String msg = query.getQueryName() + ": " + e.getMessage();
throw new IllegalArgumentException(msg);
} catch (RemoteException e) {
throw new PluginException("Cannot connect to server", e);
} catch (IOException e) {
throw new PluginException("Cannot connect to server", e);
}
for (Iterator it=services.iterator(); it.hasNext();) {
name = (ObjectName)it.next();
if ((matcher != null) &&
!matcher.matches(name.toString()))
{
if (isDebug) {
log.debug("[" + name + "] !matches(" + matcher + ")");
}
continue;
}
if (!query.apply(name)) {
continue;
}
if (mbeanClass != null) {
try {
MBeanInfo info = mServer.getMBeanInfo(name);
if (!info.getClassName().matches(mbeanClass)) {
if (isDebug) {
log.debug("[" + name + "] " + info.getClassName() +
" !instanceof " + mbeanClass);
}
continue;
}
} catch (Exception e) {
log.error("mServer.getMBeanInfo(" + name + "): " + e);
continue;
}
}
MxServiceQuery service = query.cloneInstance();
service.setObjectName(name);
this.services.add(service);
service.setParent(this);
service.setServerQuery(this);
service.getAttributes(mServer);
}
}
public String getQualifiedName() {
String name =
ServerDetector.getPlatformName() + " " +
getResourceType();
if (getName() != null) {
name += " " + getName();
}
return name;
}
public String getResourceType() {
return getServerDetector().getTypeInfo().getName();
}
public String getIdentifier() {
return getInstallPath();
}
public Properties getControlConfig() {
Properties config = new Properties();
return config;
}
public String getInstallPath() {
return this.installPath;
}
public void setInstallPath(String installPath) {
this.installPath = installPath;
}
public String getVersion() {
return this.version;
}
public void setVersion(String version) {
this.version = version;
}
}