1 files changed, 191 insertions, 0 deletions
diff --git a/qpid/java/broker-core/src/main/java/org/apache/qpid/server/model/adapter/AbstractPluginAdapter.java b/qpid/java/broker-core/src/main/java/org/apache/qpid/server/model/adapter/AbstractPluginAdapter.java
new file mode 100644
index 0000000000..2867a92410
--- /dev/null
+++ b/qpid/java/broker-core/src/main/java/org/apache/qpid/server/model/adapter/AbstractPluginAdapter.java
@@ -0,0 +1,191 @@
+/*
+ *
+ * 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.model.adapter;
+
+import java.security.AccessControlException;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Map;
+import java.util.UUID;
+
+import org.apache.qpid.server.model.Broker;
+import org.apache.qpid.server.model.ConfiguredObject;
+import org.apache.qpid.server.model.LifetimePolicy;
+import org.apache.qpid.server.model.Plugin;
+import org.apache.qpid.server.model.State;
+import org.apache.qpid.server.model.Statistics;
+import org.apache.qpid.server.security.access.Operation;
+
+public abstract class AbstractPluginAdapter extends AbstractAdapter implements Plugin
+{
+    private Broker _broker;
+
+    protected AbstractPluginAdapter(UUID id, Map<String, Object> defaults, Map<String, Object> attributes, Broker broker)
+    {
+        super(id, defaults, attributes, broker.getTaskExecutor());
+        _broker = broker;
+        addParent(Broker.class, broker);
+    }
+
+    @Override
+    public String setName(String currentName, String desiredName) throws IllegalStateException, AccessControlException
+    {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public State getActualState()
+    {
+        return null;
+    }
+
+    @Override
+    public boolean isDurable()
+    {
+        return true;
+    }
+
+    @Override
+    public void setDurable(boolean durable) throws IllegalStateException, AccessControlException, IllegalArgumentException
+    {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public LifetimePolicy getLifetimePolicy()
+    {
+        return LifetimePolicy.PERMANENT;
+    }
+
+    @Override
+    public LifetimePolicy setLifetimePolicy(LifetimePolicy expected, LifetimePolicy desired) throws IllegalStateException,
+            AccessControlException, IllegalArgumentException
+    {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public long getTimeToLive()
+    {
+        return 0;
+    }
+
+    @Override
+    public long setTimeToLive(long expected, long desired) throws IllegalStateException, AccessControlException,
+            IllegalArgumentException
+    {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public Statistics getStatistics()
+    {
+        return null;
+    }
+
+    @Override
+    public <C extends ConfiguredObject> Collection<C> getChildren(Class<C> clazz)
+    {
+        return Collections.emptyList();
+    }
+
+    @Override
+    public Collection<String> getAttributeNames()
+    {
+        return AVAILABLE_ATTRIBUTES;
+    }
+
+    @Override
+    public Object getAttribute(String name)
+    {
+        if (ID.equals(name))
+        {
+            return getId();
+        }
+        else if (STATE.equals(name))
+        {
+            return getActualState();
+        }
+        else if (DURABLE.equals(name))
+        {
+            return isDurable();
+        }
+        else if (LIFETIME_POLICY.equals(name))
+        {
+            return getLifetimePolicy();
+        }
+        else if (TIME_TO_LIVE.equals(name))
+        {
+            return getTimeToLive();
+        }
+        else if (CREATED.equals(name))
+        {
+
+        }
+        else if (UPDATED.equals(name))
+        {
+
+        }
+        return super.getAttribute(name);
+    }
+
+    @Override
+    public <C extends ConfiguredObject> C createChild(Class<C> childClass, Map<String, Object> attributes,
+            ConfiguredObject... otherParents)
+    {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    protected void authoriseSetDesiredState(State currentState, State desiredState) throws AccessControlException
+    {
+        if(desiredState == State.DELETED)
+        {
+            if (!_broker.getSecurityManager().authoriseConfiguringBroker(getName(), Plugin.class, Operation.DELETE))
+            {
+                throw new AccessControlException("Deletion of plugin is denied");
+            }
+        }
+    }
+
+    @Override
+    protected void authoriseSetAttribute(String name, Object expected, Object desired) throws AccessControlException
+    {
+        if (!_broker.getSecurityManager().authoriseConfiguringBroker(getName(), Plugin.class, Operation.UPDATE))
+        {
+            throw new AccessControlException("Setting of plugin attribute is denied");
+        }
+    }
+
+    @Override
+    protected void authoriseSetAttributes(Map<String, Object> attributes) throws AccessControlException
+    {
+        if (!_broker.getSecurityManager().authoriseConfiguringBroker(getName(), Plugin.class, Operation.UPDATE))
+        {
+            throw new AccessControlException("Setting of plugin attributes is denied");
+        }
+    }
+
+    protected Broker getBroker()
+    {
+        return _broker;
+    }
+}