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/*******************************************************************************
* Copyright (c) 2009, 2010 VMware Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
* and the Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php.
* You may elect to redistribute this code under either of these licenses.
*
* Contributors:
* VMware Inc. - initial contribution
*******************************************************************************/
package org.eclipse.gemini.web.tomcat.internal;
import java.lang.management.ManagementFactory;
import java.util.HashSet;
import java.util.Set;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import org.eclipse.gemini.web.core.ConnectorDescriptor;
import org.eclipse.gemini.web.core.WebContainerProperties;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* <p>
* TODO Document TomcatWebContainerProperties
* </p>
*
* <strong>Concurrent Semantics</strong><br />
*
* TODO Document concurrent semantics of TomcatWebContainerProperties
*
*/
final class TomcatWebContainerProperties implements WebContainerProperties {
private static final String CATALINA_TYPE_PROTOCOL_HANDLER = "Catalina:type=ProtocolHandler,*";
private final static Logger LOGGER = LoggerFactory.getLogger(TomcatWebContainerProperties.class);
private static final String ATTRIBUTE_MODELER_TYPE = "modelerType";
private static final String ATTRIBUTE_SSL_ENABLED = "sSLEnabled";
private static final String ATTRIBUTE_NAME = "name";
private static final String ATTRIBUTE_PORT = "port";
/**
* {@inheritDoc}
*/
public Set<ConnectorDescriptor> getConnectorDescriptors() {
Set<ConnectorDescriptor> connectorDescriptors = new HashSet<ConnectorDescriptor>();
MBeanServer mBeanServer = this.getMBeanServer();
try {
ObjectName portNamesQuery = new ObjectName(CATALINA_TYPE_PROTOCOL_HANDLER);
Set<ObjectName> portMBeanNames = mBeanServer.queryNames(portNamesQuery, null);
for(ObjectName objectName : portMBeanNames) {
Object attribute = this.getAttribute(mBeanServer, objectName, ATTRIBUTE_MODELER_TYPE);
Object modler = attribute == null ? "" : attribute;
attribute = this.getAttribute(mBeanServer, objectName, ATTRIBUTE_SSL_ENABLED);
Object sslEnabled = attribute == null ? false : attribute;
attribute = this.getAttribute(mBeanServer, objectName, ATTRIBUTE_NAME);
Object name = attribute == null ? "" : attribute;
attribute = objectName.getKeyProperty(ATTRIBUTE_PORT);
Object port = attribute == null ? -1 : attribute;
connectorDescriptors.add(new TomcatConnectorDescriptor(modler.toString(), name.toString(), Integer.valueOf(port.toString()), Boolean.valueOf(sslEnabled.toString())));
}
} catch (Exception e) {
LOGGER.warn("Unable to obtain the Tomcat port number from its MBeans", e);
}
return connectorDescriptors;
}
private MBeanServer getMBeanServer() {
return ManagementFactory.getPlatformMBeanServer();
}
private Object getAttribute(MBeanServer mBeanServer, ObjectName objectName, String attributeName) {
try {
return mBeanServer.getAttribute(objectName, attributeName);
} catch (Exception e) {
return null;
}
}
}
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