1 files changed, 290 insertions, 0 deletions
diff --git a/qpid/java/broker/src/main/java/org/apache/qpid/server/registry/ApplicationRegistry.java b/qpid/java/broker/src/main/java/org/apache/qpid/server/registry/ApplicationRegistry.java
new file mode 100644
index 0000000000..22b4623ae1
--- /dev/null
+++ b/qpid/java/broker/src/main/java/org/apache/qpid/server/registry/ApplicationRegistry.java
@@ -0,0 +1,290 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.apache.qpid.server.registry;
+
+import java.net.InetSocketAddress;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.commons.configuration.ConfigurationException;
+import org.apache.log4j.Logger;
+import org.apache.mina.common.IoAcceptor;
+import org.apache.qpid.server.configuration.ServerConfiguration;
+import org.apache.qpid.server.management.ManagedObjectRegistry;
+import org.apache.qpid.server.plugins.PluginManager;
+import org.apache.qpid.server.security.access.ACLManager;
+import org.apache.qpid.server.security.auth.database.PrincipalDatabaseManager;
+import org.apache.qpid.server.security.auth.manager.AuthenticationManager;
+import org.apache.qpid.server.virtualhost.VirtualHost;
+import org.apache.qpid.server.virtualhost.VirtualHostRegistry;
+
+/**
+ * An abstract application registry that provides access to configuration information and handles the
+ * construction and caching of configurable objects.
+ * <p/>
+ * Subclasses should handle the construction of the "registered objects" such as the exchange registry.
+ */
+public abstract class ApplicationRegistry implements IApplicationRegistry
+{
+    protected static final Logger _logger = Logger.getLogger(ApplicationRegistry.class);
+
+    private static Map<Integer, IApplicationRegistry> _instanceMap = new HashMap<Integer, IApplicationRegistry>();
+
+    private final Map<Class<?>, Object> _configuredObjects = new HashMap<Class<?>, Object>();
+
+    protected final ServerConfiguration _configuration;
+
+    public static final int DEFAULT_INSTANCE = 1;
+    public static final String DEFAULT_APPLICATION_REGISTRY = "org.apache.qpid.server.util.NullApplicationRegistry";
+    public static String _APPLICATION_REGISTRY = DEFAULT_APPLICATION_REGISTRY;
+
+    protected final Map<InetSocketAddress, IoAcceptor> _acceptors = new HashMap<InetSocketAddress, IoAcceptor>();
+
+    protected ManagedObjectRegistry _managedObjectRegistry;
+
+    protected AuthenticationManager _authenticationManager;
+
+    protected VirtualHostRegistry _virtualHostRegistry;
+
+    protected ACLManager _accessManager;
+
+    protected PrincipalDatabaseManager _databaseManager;
+
+    protected PluginManager _pluginManager;
+
+    static
+    {
+        Runtime.getRuntime().addShutdownHook(new Thread(new ShutdownService()));
+    }
+
+    private static class ShutdownService implements Runnable
+    {
+        public void run()
+        {
+            removeAll();
+        }
+    }
+
+    public static void initialise(IApplicationRegistry instance) throws Exception
+    {
+        initialise(instance, DEFAULT_INSTANCE);
+    }
+
+    public static void initialise(IApplicationRegistry instance, int instanceID) throws Exception
+    {
+        if (instance != null)
+        {
+            _logger.info("Initialising Application Registry:" + instanceID);
+            _instanceMap.put(instanceID, instance);
+
+            try
+            {
+                instance.initialise();
+            }
+            catch (Exception e)
+            {
+                _instanceMap.remove(instanceID);
+                throw e;
+            }
+        }
+        else
+        {
+            remove(instanceID);
+        }
+    }
+
+    /**
+     * Method to cleanly shutdown specified registry running in this JVM
+     *
+     * @param instanceID the instance to shutdown
+     */
+
+    public static void remove(int instanceID)
+    {
+        try
+        {
+            IApplicationRegistry instance = _instanceMap.get(instanceID);
+            if (instance != null)
+            {
+                if (_logger.isInfoEnabled())
+                {
+                    _logger.info("Shuting down ApplicationRegistry(" + instanceID + "):" + instance);
+                }
+                instance.close();
+            }
+        }
+        catch (Exception e)
+        {
+            _logger.error("Error shutting down Application Registry(" + instanceID + "): " + e, e);
+        }
+        finally
+        {
+            _instanceMap.remove(instanceID);
+        }
+    }
+
+    /** Method to cleanly shutdown all registries currently running in this JVM */
+    public static void removeAll()
+    {
+        Object[] keys = _instanceMap.keySet().toArray();
+        for (Object k : keys)
+        {
+            remove((Integer) k);
+        }
+    }
+
+    protected ApplicationRegistry(ServerConfiguration configuration)
+    {
+        _configuration = configuration;
+    }
+
+    public static IApplicationRegistry getInstance()
+    {
+        return getInstance(DEFAULT_INSTANCE);
+    }
+
+    public static IApplicationRegistry getInstance(int instanceID)
+    {
+        synchronized (IApplicationRegistry.class)
+        {
+            IApplicationRegistry instance = _instanceMap.get(instanceID);
+
+            if (instance == null)
+            {
+                try
+                {
+                    _logger.info("Creating DEFAULT_APPLICATION_REGISTRY: " + _APPLICATION_REGISTRY + " : Instance:" + instanceID);
+                    IApplicationRegistry registry = (IApplicationRegistry) Class.forName(_APPLICATION_REGISTRY).getConstructor((Class[]) null).newInstance((Object[]) null);
+                    ApplicationRegistry.initialise(registry, instanceID);
+                    _logger.info("Initialised Application Registry:" + instanceID);
+                    return registry;
+                }
+                catch (Exception e)
+                {
+                    _logger.error("Error configuring application: " + e, e);
+                    //throw new AMQBrokerCreationException(instanceID, "Unable to create Application Registry instance " + instanceID);
+                    throw new RuntimeException("Unable to create Application Registry", e);
+                }
+            }
+            else
+            {
+                return instance;
+            }
+        }
+    }
+
+    public void close() throws Exception
+    {
+        if (_logger.isInfoEnabled())
+        {
+            _logger.info("Shutting down ApplicationRegistry:"+this);
+        }
+
+        //Stop incomming connections
+        unbind();
+
+        //Shutdown virtualhosts
+        for (VirtualHost virtualHost : getVirtualHostRegistry().getVirtualHosts())
+        {
+            virtualHost.close();
+        }
+
+        // Replace above with this
+//        _virtualHostRegistry.close();
+
+//        _accessManager.close();
+
+//        _databaseManager.close();
+
+        _authenticationManager.close();
+
+//        _databaseManager.close();
+
+        // close the rmi registry(if any) started for management
+        if (_managedObjectRegistry != null)
+        {
+            _managedObjectRegistry.close();
+        }
+
+//        _pluginManager.close();
+    }
+
+    private void unbind()
+    {
+        synchronized (_acceptors)
+        {
+            for (InetSocketAddress bindAddress : _acceptors.keySet())
+            {
+                IoAcceptor acceptor = _acceptors.get(bindAddress);
+                acceptor.unbind(bindAddress);
+            }
+        }
+    }
+
+    public ServerConfiguration getConfiguration()
+    {
+        return _configuration;
+    }
+
+    public void addAcceptor(InetSocketAddress bindAddress, IoAcceptor acceptor)
+    {
+        synchronized (_acceptors)
+        {
+            _acceptors.put(bindAddress, acceptor);
+        }
+    }
+
+    public static void setDefaultApplicationRegistry(String clazz)
+    {
+        _APPLICATION_REGISTRY = clazz;
+    }
+
+    public VirtualHostRegistry getVirtualHostRegistry()
+    {
+        return _virtualHostRegistry;
+    }
+
+    public ACLManager getAccessManager() throws ConfigurationException
+    {
+        return new ACLManager(_configuration.getSecurityConfiguration(), _pluginManager);
+    }
+
+    public ManagedObjectRegistry getManagedObjectRegistry()
+    {
+        return _managedObjectRegistry;
+    }
+
+    public PrincipalDatabaseManager getDatabaseManager()
+    {
+        return _databaseManager;
+    }
+
+    public AuthenticationManager getAuthenticationManager()
+    {
+        return _authenticationManager;
+    }
+
+    public PluginManager getPluginManager()
+    {
+        return _pluginManager;
+    }
+
+}