001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.activemq.broker; 018 019import java.net.URI; 020import java.util.Map; 021import java.util.Set; 022import java.util.concurrent.ThreadPoolExecutor; 023 024import org.apache.activemq.broker.region.Destination; 025import org.apache.activemq.broker.region.MessageReference; 026import org.apache.activemq.broker.region.Subscription; 027import org.apache.activemq.broker.region.virtual.VirtualDestination; 028import org.apache.activemq.command.ActiveMQDestination; 029import org.apache.activemq.command.BrokerId; 030import org.apache.activemq.command.BrokerInfo; 031import org.apache.activemq.command.ConnectionInfo; 032import org.apache.activemq.command.ConsumerControl; 033import org.apache.activemq.command.ConsumerInfo; 034import org.apache.activemq.command.DestinationInfo; 035import org.apache.activemq.command.Message; 036import org.apache.activemq.command.MessageAck; 037import org.apache.activemq.command.MessageDispatch; 038import org.apache.activemq.command.MessageDispatchNotification; 039import org.apache.activemq.command.MessagePull; 040import org.apache.activemq.command.ProducerInfo; 041import org.apache.activemq.command.RemoveSubscriptionInfo; 042import org.apache.activemq.command.Response; 043import org.apache.activemq.command.SessionInfo; 044import org.apache.activemq.command.TransactionId; 045import org.apache.activemq.store.PListStore; 046import org.apache.activemq.thread.Scheduler; 047import org.apache.activemq.usage.Usage; 048 049/** 050 * Allows you to intercept broker operation so that features such as security 051 * can be implemented as a pluggable filter. 052 * 053 * 054 */ 055public class BrokerFilter implements Broker { 056 057 protected final Broker next; 058 059 public BrokerFilter(Broker next) { 060 this.next = next; 061 } 062 063 public Broker getNext() { 064 return next; 065 } 066 067 @Override 068 public Broker getAdaptor(Class<?> type) { 069 return type.isInstance(this) ? this : getNext().getAdaptor(type); 070 } 071 072 @Override 073 public Map<ActiveMQDestination, Destination> getDestinationMap() { 074 return getNext().getDestinationMap(); 075 } 076 077 @Override 078 public Map<ActiveMQDestination, Destination> getDestinationMap(ActiveMQDestination destination) { 079 return getNext().getDestinationMap(destination); 080 } 081 082 @Override 083 public Set<Destination> getDestinations(ActiveMQDestination destination) { 084 return getNext().getDestinations(destination); 085 } 086 087 @Override 088 public void acknowledge(ConsumerBrokerExchange consumerExchange, MessageAck ack) throws Exception { 089 getNext().acknowledge(consumerExchange, ack); 090 } 091 092 @Override 093 public Response messagePull(ConnectionContext context, MessagePull pull) throws Exception { 094 return getNext().messagePull(context, pull); 095 } 096 097 @Override 098 public void addConnection(ConnectionContext context, ConnectionInfo info) throws Exception { 099 getNext().addConnection(context, info); 100 } 101 102 @Override 103 public Subscription addConsumer(ConnectionContext context, ConsumerInfo info) throws Exception { 104 return getNext().addConsumer(context, info); 105 } 106 107 @Override 108 public void addProducer(ConnectionContext context, ProducerInfo info) throws Exception { 109 getNext().addProducer(context, info); 110 } 111 112 @Override 113 public void commitTransaction(ConnectionContext context, TransactionId xid, boolean onePhase) throws Exception { 114 getNext().commitTransaction(context, xid, onePhase); 115 } 116 117 @Override 118 public void removeSubscription(ConnectionContext context, RemoveSubscriptionInfo info) throws Exception { 119 getNext().removeSubscription(context, info); 120 } 121 122 @Override 123 public TransactionId[] getPreparedTransactions(ConnectionContext context) throws Exception { 124 return getNext().getPreparedTransactions(context); 125 } 126 127 @Override 128 public int prepareTransaction(ConnectionContext context, TransactionId xid) throws Exception { 129 return getNext().prepareTransaction(context, xid); 130 } 131 132 @Override 133 public void removeConnection(ConnectionContext context, ConnectionInfo info, Throwable error) throws Exception { 134 getNext().removeConnection(context, info, error); 135 } 136 137 @Override 138 public void removeConsumer(ConnectionContext context, ConsumerInfo info) throws Exception { 139 getNext().removeConsumer(context, info); 140 } 141 142 @Override 143 public void removeProducer(ConnectionContext context, ProducerInfo info) throws Exception { 144 getNext().removeProducer(context, info); 145 } 146 147 @Override 148 public void rollbackTransaction(ConnectionContext context, TransactionId xid) throws Exception { 149 getNext().rollbackTransaction(context, xid); 150 } 151 152 @Override 153 public void send(ProducerBrokerExchange producerExchange, Message messageSend) throws Exception { 154 getNext().send(producerExchange, messageSend); 155 } 156 157 @Override 158 public void beginTransaction(ConnectionContext context, TransactionId xid) throws Exception { 159 getNext().beginTransaction(context, xid); 160 } 161 162 @Override 163 public void forgetTransaction(ConnectionContext context, TransactionId transactionId) throws Exception { 164 getNext().forgetTransaction(context, transactionId); 165 } 166 167 @Override 168 public Connection[] getClients() throws Exception { 169 return getNext().getClients(); 170 } 171 172 @Override 173 public Destination addDestination(ConnectionContext context, ActiveMQDestination destination,boolean createIfTemporary) throws Exception { 174 return getNext().addDestination(context, destination,createIfTemporary); 175 } 176 177 @Override 178 public void removeDestination(ConnectionContext context, ActiveMQDestination destination, long timeout) throws Exception { 179 getNext().removeDestination(context, destination, timeout); 180 } 181 182 @Override 183 public ActiveMQDestination[] getDestinations() throws Exception { 184 return getNext().getDestinations(); 185 } 186 187 @Override 188 public void start() throws Exception { 189 getNext().start(); 190 } 191 192 @Override 193 public void stop() throws Exception { 194 getNext().stop(); 195 } 196 197 @Override 198 public void addSession(ConnectionContext context, SessionInfo info) throws Exception { 199 getNext().addSession(context, info); 200 } 201 202 @Override 203 public void removeSession(ConnectionContext context, SessionInfo info) throws Exception { 204 getNext().removeSession(context, info); 205 } 206 207 @Override 208 public BrokerId getBrokerId() { 209 return getNext().getBrokerId(); 210 } 211 212 @Override 213 public String getBrokerName() { 214 return getNext().getBrokerName(); 215 } 216 217 @Override 218 public void gc() { 219 getNext().gc(); 220 } 221 222 @Override 223 public void addBroker(Connection connection, BrokerInfo info) { 224 getNext().addBroker(connection, info); 225 } 226 227 @Override 228 public void removeBroker(Connection connection, BrokerInfo info) { 229 getNext().removeBroker(connection, info); 230 } 231 232 @Override 233 public BrokerInfo[] getPeerBrokerInfos() { 234 return getNext().getPeerBrokerInfos(); 235 } 236 237 @Override 238 public void preProcessDispatch(MessageDispatch messageDispatch) { 239 getNext().preProcessDispatch(messageDispatch); 240 } 241 242 @Override 243 public void postProcessDispatch(MessageDispatch messageDispatch) { 244 getNext().postProcessDispatch(messageDispatch); 245 } 246 247 @Override 248 public void processDispatchNotification(MessageDispatchNotification messageDispatchNotification) throws Exception { 249 getNext().processDispatchNotification(messageDispatchNotification); 250 } 251 252 @Override 253 public boolean isStopped() { 254 return getNext().isStopped(); 255 } 256 257 @Override 258 public Set<ActiveMQDestination> getDurableDestinations() { 259 return getNext().getDurableDestinations(); 260 } 261 262 @Override 263 public void addDestinationInfo(ConnectionContext context, DestinationInfo info) throws Exception { 264 getNext().addDestinationInfo(context, info); 265 } 266 267 @Override 268 public void removeDestinationInfo(ConnectionContext context, DestinationInfo info) throws Exception { 269 getNext().removeDestinationInfo(context, info); 270 } 271 272 @Override 273 public boolean isFaultTolerantConfiguration() { 274 return getNext().isFaultTolerantConfiguration(); 275 } 276 277 @Override 278 public ConnectionContext getAdminConnectionContext() { 279 return getNext().getAdminConnectionContext(); 280 } 281 282 @Override 283 public void setAdminConnectionContext(ConnectionContext adminConnectionContext) { 284 getNext().setAdminConnectionContext(adminConnectionContext); 285 } 286 287 @Override 288 public PListStore getTempDataStore() { 289 return getNext().getTempDataStore(); 290 } 291 292 @Override 293 public URI getVmConnectorURI() { 294 return getNext().getVmConnectorURI(); 295 } 296 297 @Override 298 public void brokerServiceStarted() { 299 getNext().brokerServiceStarted(); 300 } 301 302 @Override 303 public BrokerService getBrokerService() { 304 return getNext().getBrokerService(); 305 } 306 307 @Override 308 public boolean isExpired(MessageReference messageReference) { 309 return getNext().isExpired(messageReference); 310 } 311 312 @Override 313 public void messageExpired(ConnectionContext context, MessageReference message, Subscription subscription) { 314 getNext().messageExpired(context, message, subscription); 315 } 316 317 @Override 318 public boolean sendToDeadLetterQueue(ConnectionContext context, MessageReference messageReference, 319 Subscription subscription, Throwable poisonCause) { 320 return getNext().sendToDeadLetterQueue(context, messageReference, subscription, poisonCause); 321 } 322 323 @Override 324 public Broker getRoot() { 325 return getNext().getRoot(); 326 } 327 328 @Override 329 public long getBrokerSequenceId() { 330 return getNext().getBrokerSequenceId(); 331 } 332 333 334 @Override 335 public void fastProducer(ConnectionContext context,ProducerInfo producerInfo,ActiveMQDestination destination) { 336 getNext().fastProducer(context, producerInfo, destination); 337 } 338 339 @Override 340 public void isFull(ConnectionContext context,Destination destination, Usage<?> usage) { 341 getNext().isFull(context,destination, usage); 342 } 343 344 @Override 345 public void messageConsumed(ConnectionContext context,MessageReference messageReference) { 346 getNext().messageConsumed(context, messageReference); 347 } 348 349 @Override 350 public void messageDelivered(ConnectionContext context,MessageReference messageReference) { 351 getNext().messageDelivered(context, messageReference); 352 } 353 354 @Override 355 public void messageDiscarded(ConnectionContext context,Subscription sub, MessageReference messageReference) { 356 getNext().messageDiscarded(context, sub, messageReference); 357 } 358 359 @Override 360 public void slowConsumer(ConnectionContext context, Destination destination,Subscription subs) { 361 getNext().slowConsumer(context, destination,subs); 362 } 363 364 @Override 365 public void virtualDestinationAdded(ConnectionContext context, 366 VirtualDestination virtualDestination) { 367 getNext().virtualDestinationAdded(context, virtualDestination); 368 } 369 370 @Override 371 public void virtualDestinationRemoved(ConnectionContext context, 372 VirtualDestination virtualDestination) { 373 getNext().virtualDestinationRemoved(context, virtualDestination); 374 } 375 376 @Override 377 public void nowMasterBroker() { 378 getNext().nowMasterBroker(); 379 } 380 381 @Override 382 public void processConsumerControl(ConsumerBrokerExchange consumerExchange, 383 ConsumerControl control) { 384 getNext().processConsumerControl(consumerExchange, control); 385 } 386 387 @Override 388 public void reapplyInterceptor() { 389 getNext().reapplyInterceptor(); 390 } 391 392 @Override 393 public Scheduler getScheduler() { 394 return getNext().getScheduler(); 395 } 396 397 @Override 398 public ThreadPoolExecutor getExecutor() { 399 return getNext().getExecutor(); 400 } 401 402 @Override 403 public void networkBridgeStarted(BrokerInfo brokerInfo, boolean createdByDuplex, String remoteIp) { 404 getNext().networkBridgeStarted(brokerInfo, createdByDuplex, remoteIp); 405 } 406 407 @Override 408 public void networkBridgeStopped(BrokerInfo brokerInfo) { 409 getNext().networkBridgeStopped(brokerInfo); 410 } 411}