1 files changed, 74 insertions, 0 deletions
diff --git a/java/broker/src/main/java/org/apache/qpid/server/configuration/startup/GroupProviderRecoverer.java b/java/broker/src/main/java/org/apache/qpid/server/configuration/startup/GroupProviderRecoverer.java
new file mode 100644
index 0000000000..275a0c736c
--- /dev/null
+++ b/java/broker/src/main/java/org/apache/qpid/server/configuration/startup/GroupProviderRecoverer.java
@@ -0,0 +1,74 @@
+/*
+ *
+ * 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.configuration.startup;
+
+import java.util.Map;
+
+import org.apache.qpid.server.configuration.ConfigurationEntry;
+import org.apache.qpid.server.configuration.ConfiguredObjectRecoverer;
+import org.apache.qpid.server.configuration.IllegalConfigurationException;
+import org.apache.qpid.server.configuration.RecovererProvider;
+import org.apache.qpid.server.model.Broker;
+import org.apache.qpid.server.model.ConfiguredObject;
+import org.apache.qpid.server.model.GroupProvider;
+import org.apache.qpid.server.model.adapter.GroupProviderAdapter;
+import org.apache.qpid.server.plugin.GroupManagerFactory;
+import org.apache.qpid.server.plugin.QpidServiceLoader;
+import org.apache.qpid.server.security.group.GroupManager;
+
+public class GroupProviderRecoverer implements ConfiguredObjectRecoverer<GroupProvider>
+{
+    private QpidServiceLoader<GroupManagerFactory> _groupManagerServiceLoader;
+
+    public GroupProviderRecoverer(QpidServiceLoader<GroupManagerFactory> groupManagerServiceLoader)
+    {
+        super();
+        _groupManagerServiceLoader = groupManagerServiceLoader;
+    }
+
+    @Override
+    public GroupProvider create(RecovererProvider recovererProvider, ConfigurationEntry configurationEntry, ConfiguredObject... parents)
+    {
+        Broker broker = RecovererHelper.verifyOnlyBrokerIsParent(parents);
+        Map<String, Object> attributes = configurationEntry.getAttributes();
+        GroupManager groupManager = createGroupManager(attributes);
+        if (groupManager == null)
+        {
+            throw new IllegalConfigurationException("Cannot create GroupManager from attributes : " + attributes);
+        }
+        GroupProviderAdapter groupProviderAdapter = new GroupProviderAdapter(configurationEntry.getId(), groupManager, broker);
+        return groupProviderAdapter;
+    }
+
+    private GroupManager createGroupManager(Map<String, Object> attributes)
+    {
+        for(GroupManagerFactory factory : _groupManagerServiceLoader.instancesOf(GroupManagerFactory.class))
+        {
+            GroupManager groupManager = factory.createInstance(attributes);
+            if (groupManager != null)
+            {
+               return groupManager;
+            }
+        }
+        return null;
+    }
+
+}