Package org.activemq.gbean

Source Code of org.activemq.gbean.ActiveMQContainerGBean

/**
*
* Copyright 2004 Protique Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**/
package org.activemq.gbean;

import java.util.Properties;
import java.util.Collection;

import javax.jms.JMSException;
import javax.management.ObjectName;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.geronimo.gbean.GBeanInfo;
import org.apache.geronimo.gbean.GBeanInfoBuilder;
import org.apache.geronimo.gbean.GBeanLifecycle;
import org.apache.geronimo.gbean.ReferenceCollection;
import org.activemq.broker.BrokerAdmin;
import org.activemq.broker.BrokerContainer;
import org.activemq.broker.BrokerContext;
import org.activemq.broker.impl.BrokerContainerImpl;
import org.activemq.security.jassjacc.JassJaccSecurityAdapter;
import org.activemq.security.jassjacc.PropertiesConfigLoader;
import org.activemq.store.PersistenceAdapter;

/**
* Default implementation of the ActiveMQ Message Server
*
* @version $Revision: 1.1.1.1 $
*/
public class ActiveMQContainerGBean implements GBeanLifecycle, ActiveMQContainer {

    private Log log = LogFactory.getLog(getClass().getName());

    private final String brokerName;

    private BrokerContext context = BrokerContext.getInstance();
    private BrokerContainer container;

    private final PersistenceAdapter persistenceAdapter;
  private final String jaasConfiguration;
  private final Properties securityRoles;
    private final ReferenceCollection connectors;

    //default constructor for use as gbean endpoint.
    public ActiveMQContainerGBean() {
        brokerName = null;
        jaasConfiguration = null;
        securityRoles = null;
        persistenceAdapter=null;
        connectors = null;
    }
 
    public ActiveMQContainerGBean(String brokerName, PersistenceAdapter persistenceAdapter,  String jaasConfiguration, Properties securityRoles, Collection connectors) {
   
        assert brokerName != null;
    assert persistenceAdapter != null;
   
        this.brokerName = brokerName;
        this.jaasConfiguration=jaasConfiguration;
    this.persistenceAdapter = persistenceAdapter;
        this.securityRoles = securityRoles;
        this.connectors = (ReferenceCollection)connectors;
    }

    public synchronized BrokerContainer getBrokerContainer() {
        return container;
    }

    /**
     * @see org.activemq.gbean.ActiveMQContainer#getBrokerAdmin()
     */
    public BrokerAdmin getBrokerAdmin() {
        return container.getBroker().getBrokerAdmin();
    }

    public String[] getConnectors() {
        ObjectName[] names = connectors.getMemberObjectNames();
        String[] result = new String[names.length];
        for (int i = 0; i < names.length; i++) {
            result[i] = names[i].getCanonicalName();
        }
        return result;
    }

    public synchronized void doStart() throws Exception {
      ClassLoader old = Thread.currentThread().getContextClassLoader();
      Thread.currentThread().setContextClassLoader(ActiveMQContainerGBean.class.getClassLoader());
      try {
          if (container == null) {
              container = createContainer();
              container.start();
          }
      } finally {
          Thread.currentThread().setContextClassLoader(old);
      }
    }

    public synchronized void doStop() throws Exception {
        if (container != null) {
            BrokerContainer temp = container;
            container = null;
            temp.stop();
        }
    }

    public synchronized void doFail() {
        if (container != null) {
            BrokerContainer temp = container;
            container = null;
            try {
                temp.stop();
            }
            catch (JMSException e) {
                log.info("Caught while closing due to failure: " + e, e);
            }
        }
    }

    protected BrokerContainer createContainer() throws Exception {
      BrokerContainerImpl answer = new BrokerContainerImpl(brokerName, context);
      answer.setPersistenceAdapter( persistenceAdapter );
      if( jaasConfiguration != null ) {
        answer.setSecurityAdapter(new JassJaccSecurityAdapter(jaasConfiguration));
      }
      if( securityRoles != null ) {
        // Install JACC configuration.
        PropertiesConfigLoader loader = new PropertiesConfigLoader(brokerName, securityRoles);
        loader.installSecurity();
      }
      return answer;
    }

    public static final GBeanInfo GBEAN_INFO;

    static {
        GBeanInfoBuilder infoFactory = new GBeanInfoBuilder("ActiveMQ Message Broker", ActiveMQContainerGBean.class, "JMSServer");
        infoFactory.addAttribute("brokerName", String.class, true);
        infoFactory.addReference("persistenceAdapter", PersistenceAdapter.class);
        infoFactory.addReference("ConnectorCollection", ActiveMQConnector.class);
        infoFactory.addAttribute("jaasConfiguration", String.class, true);
        infoFactory.addAttribute("securityRoles", Properties.class, true);
        infoFactory.addInterface(ActiveMQContainer.class);
        infoFactory.setConstructor(new String[]{"brokerName", "persistenceAdapter", "jaasConfiguration", "securityRoles","ConnectorCollection"});
        GBEAN_INFO = infoFactory.getBeanInfo();
    }

    public static GBeanInfo getGBeanInfo() {
        return GBEAN_INFO;
    }

  /**
   * @return Returns the brokerName.
   */
  public String getBrokerName() {
    return brokerName;
  }
 
  /**
   * @return Returns the jassConfiguration.
   */
  public String getJaasConfiguration() {
    return jaasConfiguration;
  }
 
  /**
   * @return Returns the securityRoles.
   */
  public Properties getSecurityRoles() {
    return securityRoles;
  }
 
}
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