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/*
*
* 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.Set;
import org.apache.qpid.server.model.AbstractConfiguredObject;
import org.apache.qpid.server.model.Broker;
import org.apache.qpid.server.model.ConfiguredObject;
import org.apache.qpid.server.model.Plugin;
import org.apache.qpid.server.model.State;
import org.apache.qpid.server.security.access.Operation;
public abstract class AbstractPluginAdapter<X extends Plugin<X>> extends AbstractConfiguredObject<X> implements Plugin<X>
{
private Broker _broker;
protected AbstractPluginAdapter(Map<String, Object> attributes, Broker broker)
{
super(parentsMap(broker), attributes);
_broker = broker;
}
@Override
public void onValidate()
{
super.onValidate();
if(!isDurable())
{
throw new IllegalArgumentException(getClass().getSimpleName() + " must be durable");
}
}
@Override
protected void validateChange(final ConfiguredObject<?> proxyForValidation, final Set<String> changedAttributes)
{
super.validateChange(proxyForValidation, changedAttributes);
if(changedAttributes.contains(DURABLE) && !proxyForValidation.isDurable())
{
throw new IllegalArgumentException(getClass().getSimpleName() + " must be durable");
}
}
@Override
public <C extends ConfiguredObject> Collection<C> getChildren(Class<C> clazz)
{
return Collections.emptyList();
}
@Override
public Object getAttribute(String name)
{
if (STATE.equals(name))
{
return getState();
}
return super.getAttribute(name);
}
@Override
protected void authoriseSetDesiredState(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 authoriseSetAttributes(ConfiguredObject<?> modified, Set<String> 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;
}
}
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