diff options
Diffstat (limited to 'java/broker/src/main/java/org/apache/qpid/server/plugin')
6 files changed, 227 insertions, 0 deletions
diff --git a/java/broker/src/main/java/org/apache/qpid/server/plugin/AccessControlFactory.java b/java/broker/src/main/java/org/apache/qpid/server/plugin/AccessControlFactory.java new file mode 100644 index 0000000000..7708b90efc --- /dev/null +++ b/java/broker/src/main/java/org/apache/qpid/server/plugin/AccessControlFactory.java @@ -0,0 +1,28 @@ +/* + * 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.plugin; + +import java.util.Map; + +import org.apache.qpid.server.security.AccessControl; + +public interface AccessControlFactory +{ + AccessControl createInstance(Map<String, Object> attributes); +} diff --git a/java/broker/src/main/java/org/apache/qpid/server/plugin/AuthenticationManagerFactory.java b/java/broker/src/main/java/org/apache/qpid/server/plugin/AuthenticationManagerFactory.java new file mode 100644 index 0000000000..95e6b4feb0 --- /dev/null +++ b/java/broker/src/main/java/org/apache/qpid/server/plugin/AuthenticationManagerFactory.java @@ -0,0 +1,31 @@ +/* + * 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.plugin; + +import java.util.Map; + +import org.apache.qpid.server.security.auth.manager.AuthenticationManager; + + +public interface AuthenticationManagerFactory +{ + public static final String ATTRIBUTE_TYPE = "authenticationProviderType"; + + AuthenticationManager createInstance(Map<String, Object> attributes); +} diff --git a/java/broker/src/main/java/org/apache/qpid/server/plugin/ExchangeType.java b/java/broker/src/main/java/org/apache/qpid/server/plugin/ExchangeType.java new file mode 100644 index 0000000000..40ef6ad6a2 --- /dev/null +++ b/java/broker/src/main/java/org/apache/qpid/server/plugin/ExchangeType.java @@ -0,0 +1,36 @@ +/* + * + * 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.plugin; + +import java.util.UUID; + +import org.apache.qpid.AMQException; +import org.apache.qpid.framing.AMQShortString; +import org.apache.qpid.server.exchange.Exchange; +import org.apache.qpid.server.virtualhost.VirtualHost; + +public interface ExchangeType<T extends Exchange> +{ + public AMQShortString getName(); + public T newInstance(UUID id, VirtualHost host, AMQShortString name, + boolean durable, int ticket, boolean autoDelete) throws AMQException; + public AMQShortString getDefaultExchangeName(); +} diff --git a/java/broker/src/main/java/org/apache/qpid/server/plugin/GroupManagerFactory.java b/java/broker/src/main/java/org/apache/qpid/server/plugin/GroupManagerFactory.java new file mode 100644 index 0000000000..5d80ca24fd --- /dev/null +++ b/java/broker/src/main/java/org/apache/qpid/server/plugin/GroupManagerFactory.java @@ -0,0 +1,28 @@ +/* + * 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.plugin; + +import java.util.Map; + +import org.apache.qpid.server.security.group.GroupManager; + +public interface GroupManagerFactory +{ + GroupManager createInstance(Map<String, Object> attributes); +} diff --git a/java/broker/src/main/java/org/apache/qpid/server/plugin/PluginFactory.java b/java/broker/src/main/java/org/apache/qpid/server/plugin/PluginFactory.java new file mode 100644 index 0000000000..af24f62e28 --- /dev/null +++ b/java/broker/src/main/java/org/apache/qpid/server/plugin/PluginFactory.java @@ -0,0 +1,32 @@ +/* + * 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.plugin; + +import java.util.Map; +import java.util.UUID; + +import org.apache.qpid.server.model.Broker; +import org.apache.qpid.server.model.Plugin; + +public interface PluginFactory +{ + static final String PLUGIN_TYPE = "pluginType"; + + Plugin createInstance(UUID id, Map<String, Object> attributes, Broker broker); +} diff --git a/java/broker/src/main/java/org/apache/qpid/server/plugin/QpidServiceLoader.java b/java/broker/src/main/java/org/apache/qpid/server/plugin/QpidServiceLoader.java new file mode 100644 index 0000000000..a0e0346ce0 --- /dev/null +++ b/java/broker/src/main/java/org/apache/qpid/server/plugin/QpidServiceLoader.java @@ -0,0 +1,72 @@ +/* + * 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.plugin; + +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; +import java.util.ServiceLoader; + +import org.apache.log4j.Logger; + +/** + * Simple facade over a {@link ServiceLoader} to instantiate all configured implementations of an interface. + */ +public class QpidServiceLoader<C> +{ + private static final Logger _logger = Logger.getLogger(QpidServiceLoader.class); + + public Iterable<C> instancesOf(Class<C> clazz) + { + return instancesOf(clazz, false); + } + + /** + * @throws RuntimeException if at least one implementation is not found. + */ + public Iterable<C> atLeastOneInstanceOf(Class<C> clazz) + { + return instancesOf(clazz, true); + } + + private Iterable<C> instancesOf(Class<C> clazz, boolean atLeastOne) + { + ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); + Iterator<C> serviceLoaderIterator = ServiceLoader.load(clazz, classLoader).iterator(); + + // create a new list so we can log the count + List<C> serviceImplementations = new ArrayList<C>(); + while(serviceLoaderIterator.hasNext()) + { + serviceImplementations.add(serviceLoaderIterator.next()); + } + + if(atLeastOne && serviceImplementations.isEmpty()) + { + throw new RuntimeException("At least one implementation of " + clazz + " expected"); + } + + if(_logger.isDebugEnabled()) + { + _logger.debug("Found " + serviceImplementations.size() + " implementations of " + clazz); + } + + return serviceImplementations; + } +} |