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Posted to dev@tomcat.apache.org by re...@locus.apache.org on 2000/10/07 20:35:11 UTC

cvs commit: jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/startup EmbeddedManager.java EmbeddedManagerMBean.java

remm        00/10/07 11:35:11

  Added:       catalina/src/share/org/apache/catalina/startup
                        EmbeddedManager.java EmbeddedManagerMBean.java
  Log:
  - JMX wrapper for the Embedded class.
  
  Revision  Changes    Path
  1.1                  jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/startup/EmbeddedManager.java
  
  Index: EmbeddedManager.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/startup/EmbeddedManager.java,v 1.1 2000/10/07 18:35:11 remm Exp $
   * $Revision: 1.1 $
   * $Date: 2000/10/07 18:35:11 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999 The Apache Software Foundation.  All rights 
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer. 
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:  
   *       "This product includes software developed by the 
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written 
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   * [Additional notices, if required by prior licensing conditions]
   *
   */ 
  
  package org.apache.catalina.startup;
  
  import java.net.InetAddress;
  import org.apache.catalina.Connector;
  import org.apache.catalina.Container;
  import org.apache.catalina.Context;
  import org.apache.catalina.Engine;
  import org.apache.catalina.Host;
  import org.apache.catalina.Lifecycle;
  import org.apache.catalina.LifecycleEvent;
  import org.apache.catalina.LifecycleException;
  import org.apache.catalina.LifecycleListener;
  import org.apache.catalina.Logger;
  import org.apache.catalina.Realm;
  import org.apache.catalina.connector.http.HttpConnector;
  import javax.management.NotificationBroadcasterSupport;
  import javax.management.ObjectName;
  import javax.management.MBeanServer;
  import javax.management.MBeanRegistration;
  import javax.management.AttributeChangeNotification;
  import javax.management.Notification;
  
  /**
   * Implementation of the Catalina JMX MBean as a wrapper of the Catalina class.
   * 
   * @author <a href="mailto:remm@apache.org">Remy Maucherat</a>
   * @version $Revision: 1.1 $
   */
  
  public final class EmbeddedManager
      extends NotificationBroadcasterSupport
      implements EmbeddedManagerMBean, MBeanRegistration {
      
      
      // ----------------------------------------------------- Instance Variables
      
      
      /**
       * Status of the Slide domain.
       */
      private int state = STOPPED;
      
      
      /**
       * Notification sequence number.
       */
      private long sequenceNumber = 0;
      
      
      /**
       * Embedded Catalina.
       */
      private Embedded embedded = new Embedded();
      
      
      // ---------------------------------------------- MBeanRegistration Methods
      
      
      public ObjectName preRegister(MBeanServer server, ObjectName name)
          throws Exception {
          return new ObjectName(OBJECT_NAME);
      }
      
      
      public void postRegister(Boolean registrationDone) {
          if (!registrationDone.booleanValue())
              destroy();
      }
      
      
      public void preDeregister()
          throws Exception {
      }
      
      
      public void postDeregister() {
          destroy();
      }
      
      
      // ----------------------------------------------------- SlideMBean Methods
      
      
      /**
       * Retruns the Catalina component name.
       */
      public String getName() {
          return NAME;
      }
      
      
      /**
       * Returns the state.
       */
      public int getState() {
          return state;
      }
      
      
      /**
       * Returns a String representation of the state.
       */
      public String getStateString() {
          return states[state];
      }
      
      
      /**
       * Start the servlet container.
       */
      public void start() {
          
          Notification notification = null;
          
          if (state != STOPPED)
              return;
          
          state = STARTING;
          
          // Notifying the MBEan server that we're starting
          
          notification = new AttributeChangeNotification
              (this, sequenceNumber++, System.currentTimeMillis(), 
               "Starting " + NAME, "State", "java.lang.Integer", 
               new Integer(STOPPED), new Integer(STARTING));
          sendNotification(notification);
          
          try {
              
              embedded.start();
              
          } catch (Throwable t) {
              state = STOPPED;
              notification = new AttributeChangeNotification
                  (this, sequenceNumber++, System.currentTimeMillis(), 
                   "Stopped " + NAME, "State", "java.lang.Integer", 
                   new Integer(STARTING), new Integer(STOPPED));
              sendNotification(notification);
          }
          
          state = STARTED;
          notification = new AttributeChangeNotification
              (this, sequenceNumber++, System.currentTimeMillis(), 
               "Started " + NAME, "State", "java.lang.Integer", 
               new Integer(STARTING), new Integer(STARTED));
          sendNotification(notification);
          
      }
      
      
      /**
       * Stop the servlet container.
       */
      public void stop() {
          
          Notification notification = null;
          
          if (state != STARTED)
              return;
          
          state = STOPPING;
          
          notification = new AttributeChangeNotification
              (this, sequenceNumber++, System.currentTimeMillis(), 
               "Stopping " + NAME, "State", "java.lang.Integer", 
               new Integer(STARTED), new Integer(STOPPING));
          sendNotification(notification);
          
          try {
              
              embedded.stop();
              
          } catch (Throwable t) {
              
              // FIXME
              t.printStackTrace();
              
          }
          
          state = STOPPED;
          
          notification = new AttributeChangeNotification
              (this, sequenceNumber++, System.currentTimeMillis(), 
               "Stopped " + NAME, "State", "java.lang.Integer", 
               new Integer(STOPPING), new Integer(STOPPED));
          sendNotification(notification);
          
      }
      
      
      /**
       * Destroy servlet container (if any is running).
       */
      public void destroy() {
          
          if (getState() != STOPPED)
              stop();
          
      }
      
  
     /**
       * Return the debugging detail level for this component.
       */
      public int getDebug() {
          return embedded.getDebug();
      }
  
  
      /**
       * Set the debugging detail level for this component.
       *
       * @param debug The new debugging detail level
       */
      public void setDebug(int debug) {
          embedded.setDebug(debug);
      }
  
  
      /**
       * Return the Logger for this component.
       */
      public Logger getLogger() {
          return embedded.getLogger();
      }
  
  
      /**
       * Set the Logger for this component.
       *
       * @param logger The new logger
       */
      public void setLogger(Logger logger) {
          embedded.setLogger(logger);
      }
  
  
      /**
       * Return the default Realm for our Containers.
       */
      public Realm getRealm() {
          return embedded.getRealm();
      }
  
  
      /**
       * Set the default Realm for our Containers.
       *
       * @param realm The new default realm
       */
      public void setRealm(Realm realm) {
          embedded.setRealm(realm);
      }
  
  
      /**
       * Return the secure socket factory class name.
       */
      public String getSocketFactory() {
          return embedded.getSocketFactory();
      }
  
  
      /**
       * Set the secure socket factory class name.
       *
       * @param socketFactory The new secure socket factory class name
       */
      public void setSocketFactory(String socketFactory) {
          embedded.setSocketFactory(socketFactory);
      }
  
  
      /**
       * Add a new Connector to the set of defined Connectors.  The newly
       * added Connector will be associated with the most recently added Engine.
       *
       * @param connector The connector to be added
       *
       * @exception IllegalStateException if no engines have been added yet
       */
      public void addConnector(Connector connector) {
          embedded.addConnector(connector);
      }
  
  
      /**
       * Add a new Engine to the set of defined Engines.
       *
       * @param engine The engine to be added
       */
      public void addEngine(Engine engine) {
          embedded.addEngine(engine);
      }
  
  
      /**
       * Create, configure, and return a new TCP/IP socket connector
       * based on the specified properties.
       *
       * @param address InetAddress to listen to, or <code>null</code>
       *  to listen on all address on this server
       * @param port Port number to listen to
       * @param secure Should this port be SSL-enabled?
       */
      public Connector createConnector(InetAddress address, int port,
  				     boolean secure) {
          return embedded.createConnector(address, port, secure);
      }
  
  
      /**
       * Create, configure, and return a Context that will process all
       * HTTP requests received from one of the associated Connectors,
       * and directed to the specified context path on the virtual host
       * to which this Context is connected.
       * <p>
       * After you have customized the properties, listeners, and Valves
       * for this Context, you must attach it to the corresponding Host
       * by calling:
       * <pre>
       *   host.addChild(context);
       * </pre>
       * which will also cause the Context to be started if the Host has
       * already been started.
       *
       * @param path Context path of this application ("" for the default
       *  application for this host, must start with a slash otherwise)
       * @param docBase Absolute pathname to the document base directory
       *  for this web application
       *
       * @exception IllegalArgumentException if an invalid parameter
       *  is specified
       */
      public Context createContext(String path, String docBase) {
          return embedded.createContext(path, docBase);
      }
  
  
      /**
       * Create, configure, and return an Engine that will process all
       * HTTP requests received from one of the associated Connectors,
       * based on the specified properties.
       */
      public Engine createEngine() {
          return embedded.createEngine();
      }
  
  
      /**
       * Create, configure, and return a Host that will process all
       * HTTP requests received from one of the associated Connectors,
       * and directed to the specified virtual host.
       * <p>
       * After you have customized the properties, listeners, and Valves
       * for this Host, you must attach it to the corresponding Engine
       * by calling:
       * <pre>
       *   engine.addChild(host);
       * </pre>
       * which will also cause the Host to be started if the Engine has
       * already been started.  If this is the default (or only) Host you
       * will be defining, you may also tell the Engine to pass all requests
       * not assigned to another virtual host to this one:
       * <pre>
       *   engine.setDefaultHost(host.getName());
       * </pre>
       *
       * @param name Canonical name of this virtual host
       * @param appBase Absolute pathname to the application base directory
       *  for this virtual host
       *
       * @exception IllegalArgumentException if an invalid parameter
       *  is specified
       */
      public Host createHost(String name, String appBase) {
          return embedded.createHost(name, appBase);
      }
  
  
      /**
       * Return descriptive information about this Server implementation and
       * the corresponding version number, in the format
       * <code>&lt;description&gt;/&lt;version&gt;</code>.
       */
      public String getInfo() {
          return embedded.getInfo();
      }
  
  
      /**
       * Remove the specified Connector from the set of defined Connectors.
       *
       * @param connector The Connector to be removed
       */
      public void removeConnector(Connector connector) {
          embedded.removeConnector(connector);
      }
  
  
      /**
       * Remove the specified Context from the set of defined Contexts for its
       * associated Host.  If this is the last Context for this Host, the Host
       * will also be removed.
       *
       * @param context The Context to be removed
       */
      public void removeContext(Context context) {
          embedded.removeContext(context);
      }
  
  
      /**
       * Remove the specified Engine from the set of defined Engines, along with
       * all of its related Hosts and Contexts.  All associated Connectors are
       * also removed.
       *
       * @param engine The Engine to be removed
       */
      public void removeEngine(Engine engine) {
          embedded.removeEngine(engine);
      }
  
  
      /**
       * Remove the specified Host, along with all of its related Contexts,
       * from the set of defined Hosts for its associated Engine.  If this is
       * the last Host for this Engine, the Engine will also be removed.
       *
       * @param host The Host to be removed
       */
      public void removeHost(Host host) {
          embedded.removeHost(host);
      }
  
  
  }
  
  
  
  1.1                  jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/startup/EmbeddedManagerMBean.java
  
  Index: EmbeddedManagerMBean.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/startup/EmbeddedManagerMBean.java,v 1.1 2000/10/07 18:35:11 remm Exp $
   * $Revision: 1.1 $
   * $Date: 2000/10/07 18:35:11 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999 The Apache Software Foundation.  All rights 
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer. 
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:  
   *       "This product includes software developed by the 
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written 
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   * [Additional notices, if required by prior licensing conditions]
   *
   */ 
  
  package org.apache.catalina.startup;
  
  import java.net.InetAddress;
  import org.apache.catalina.Connector;
  import org.apache.catalina.Container;
  import org.apache.catalina.Context;
  import org.apache.catalina.Engine;
  import org.apache.catalina.Host;
  import org.apache.catalina.Lifecycle;
  import org.apache.catalina.LifecycleEvent;
  import org.apache.catalina.LifecycleException;
  import org.apache.catalina.LifecycleListener;
  import org.apache.catalina.Logger;
  import org.apache.catalina.Realm;
  import org.apache.catalina.connector.http.HttpConnector;
  
  
  /**
   * Embedded MBean interface.
   * 
   * @author <a href="mailto:remm@apache.org">Remy Maucherat</a>
   * @version $Revision: 1.1 $
   */
  
  public interface EmbeddedManagerMBean {
      
      
      // -------------------------------------------------------------- Constants
      
      
      /**
       * Status constants.
       */
      public static final String[] states = 
      {"Stopped", "Stopping", "Starting", "Started"};
      
      
      public static final int STOPPED  = 0;
      public static final int STOPPING = 1;
      public static final int STARTING = 2;
      public static final int STARTED  = 3;
      
      
      /**
       * Component name.
       */
      public static final String NAME = "Catalina servlet container";
      
      
      /**
       * Object name.
       */
      public static final String OBJECT_NAME = ":service=Catalina";
      
      
      // ------------------------------------------------------ Interface Methods
      
      
       /**
       * Retruns the Catalina component name.
       */
      public String getName();
      
      
      /**
       * Returns the state.
       */
      public int getState();
      
      
      /**
       * Returns a String representation of the state.
       */
      public String getStateString();
  
  
     /**
       * Return the debugging detail level for this component.
       */
      public int getDebug();
  
  
      /**
       * Set the debugging detail level for this component.
       *
       * @param debug The new debugging detail level
       */
      public void setDebug(int debug);
  
  
      /**
       * Return the Logger for this component.
       */
      public Logger getLogger();
  
  
      /**
       * Set the Logger for this component.
       *
       * @param logger The new logger
       */
      public void setLogger(Logger logger);
  
  
      /**
       * Return the default Realm for our Containers.
       */
      public Realm getRealm();
  
  
      /**
       * Set the default Realm for our Containers.
       *
       * @param realm The new default realm
       */
      public void setRealm(Realm realm);
  
  
      /**
       * Return the secure socket factory class name.
       */
      public String getSocketFactory();
  
  
      /**
       * Set the secure socket factory class name.
       *
       * @param socketFactory The new secure socket factory class name
       */
      public void setSocketFactory(String socketFactory);
  
  
      /**
       * Add a new Connector to the set of defined Connectors.  The newly
       * added Connector will be associated with the most recently added Engine.
       *
       * @param connector The connector to be added
       *
       * @exception IllegalStateException if no engines have been added yet
       */
      public void addConnector(Connector connector);
  
  
      /**
       * Add a new Engine to the set of defined Engines.
       *
       * @param engine The engine to be added
       */
      public void addEngine(Engine engine);
  
  
      /**
       * Create, configure, and return a new TCP/IP socket connector
       * based on the specified properties.
       *
       * @param address InetAddress to listen to, or <code>null</code>
       *  to listen on all address on this server
       * @param port Port number to listen to
       * @param secure Should this port be SSL-enabled?
       */
      public Connector createConnector(InetAddress address, int port,
  				     boolean secure);
  
  
      /**
       * Create, configure, and return a Context that will process all
       * HTTP requests received from one of the associated Connectors,
       * and directed to the specified context path on the virtual host
       * to which this Context is connected.
       * <p>
       * After you have customized the properties, listeners, and Valves
       * for this Context, you must attach it to the corresponding Host
       * by calling:
       * <pre>
       *   host.addChild(context);
       * </pre>
       * which will also cause the Context to be started if the Host has
       * already been started.
       *
       * @param path Context path of this application ("" for the default
       *  application for this host, must start with a slash otherwise)
       * @param docBase Absolute pathname to the document base directory
       *  for this web application
       *
       * @exception IllegalArgumentException if an invalid parameter
       *  is specified
       */
      public Context createContext(String path, String docBase);
  
  
      /**
       * Create, configure, and return an Engine that will process all
       * HTTP requests received from one of the associated Connectors,
       * based on the specified properties.
       */
      public Engine createEngine();
  
  
      /**
       * Create, configure, and return a Host that will process all
       * HTTP requests received from one of the associated Connectors,
       * and directed to the specified virtual host.
       * <p>
       * After you have customized the properties, listeners, and Valves
       * for this Host, you must attach it to the corresponding Engine
       * by calling:
       * <pre>
       *   engine.addChild(host);
       * </pre>
       * which will also cause the Host to be started if the Engine has
       * already been started.  If this is the default (or only) Host you
       * will be defining, you may also tell the Engine to pass all requests
       * not assigned to another virtual host to this one:
       * <pre>
       *   engine.setDefaultHost(host.getName());
       * </pre>
       *
       * @param name Canonical name of this virtual host
       * @param appBase Absolute pathname to the application base directory
       *  for this virtual host
       *
       * @exception IllegalArgumentException if an invalid parameter
       *  is specified
       */
      public Host createHost(String name, String appBase);
  
  
      /**
       * Return descriptive information about this Server implementation and
       * the corresponding version number, in the format
       * <code>&lt;description&gt;/&lt;version&gt;</code>.
       */
      public String getInfo();
  
  
      /**
       * Remove the specified Connector from the set of defined Connectors.
       *
       * @param connector The Connector to be removed
       */
      public void removeConnector(Connector connector);
  
  
      /**
       * Remove the specified Context from the set of defined Contexts for its
       * associated Host.  If this is the last Context for this Host, the Host
       * will also be removed.
       *
       * @param context The Context to be removed
       */
      public void removeContext(Context context);
  
  
      /**
       * Remove the specified Engine from the set of defined Engines, along with
       * all of its related Hosts and Contexts.  All associated Connectors are
       * also removed.
       *
       * @param engine The Engine to be removed
       */
      public void removeEngine(Engine engine);
  
  
      /**
       * Remove the specified Host, along with all of its related Contexts,
       * from the set of defined Hosts for its associated Engine.  If this is
       * the last Host for this Engine, the Engine will also be removed.
       *
       * @param host The Host to be removed
       */
      public void removeHost(Host host);
  
  
      /**
       * Prepare for the beginning of active use of the public methods of this
       * component.  This method should be called after <code>configure()</code>,
       * and before any of the public methods of the component are utilized.
       *
       * @exception IllegalStateException if this component has already been
       *  started
       * @exception LifecycleException if this component detects a fatal error
       *  that prevents this component from being used
       */
      public void start();
  
  
      /**
       * Gracefully terminate the active use of the public methods of this
       * component.  This method should be the last one called on a given
       * instance of this component.
       *
       * @exception IllegalStateException if this component has not been started
       * @exception LifecycleException if this component detects a fatal error
       *  that needs to be reported
       */
      public void stop();
  
  
      /**
       * Destroy servlet container (if any is running).
       */
      public void destroy();
  
  
  }