| /* |
| * |
| * 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.protocol.v1_0; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.qpid.server.logging.messages.ExchangeMessages; |
| import org.apache.qpid.server.message.InstanceProperties; |
| import org.apache.qpid.server.message.MessageDestination; |
| import org.apache.qpid.server.message.MessageInstance; |
| import org.apache.qpid.server.message.RoutingResult; |
| import org.apache.qpid.server.message.ServerMessage; |
| import org.apache.qpid.server.model.Exchange; |
| import org.apache.qpid.server.model.Queue; |
| import org.apache.qpid.server.protocol.v1_0.type.Outcome; |
| import org.apache.qpid.server.protocol.v1_0.type.Symbol; |
| import org.apache.qpid.server.protocol.v1_0.type.messaging.Accepted; |
| import org.apache.qpid.server.protocol.v1_0.type.messaging.Rejected; |
| import org.apache.qpid.server.protocol.v1_0.type.messaging.TerminusDurability; |
| import org.apache.qpid.server.protocol.v1_0.type.messaging.TerminusExpiryPolicy; |
| import org.apache.qpid.server.protocol.v1_0.type.transport.AmqpError; |
| import org.apache.qpid.server.protocol.v1_0.type.transport.Error; |
| import org.apache.qpid.server.security.SecurityToken; |
| import org.apache.qpid.server.txn.ServerTransaction; |
| import org.apache.qpid.server.util.Action; |
| |
| public class ExchangeDestination extends QueueDestination |
| { |
| private static final Accepted ACCEPTED = new Accepted(); |
| private static final Rejected REJECTED = new Rejected(); |
| private static final Outcome[] OUTCOMES = { ACCEPTED, REJECTED}; |
| public static final Symbol TOPIC_CAPABILITY = Symbol.getSymbol("topic"); |
| public static final Symbol SHARED_CAPABILITY = Symbol.getSymbol("shared"); |
| public static final Symbol GLOBAL_CAPABILITY = Symbol.getSymbol("global"); |
| |
| private final Exchange<?> _exchange; |
| private final TerminusDurability _durability; |
| private final TerminusExpiryPolicy _expiryPolicy; |
| private final String _initialRoutingAddress; |
| private final boolean _discardUnroutable; |
| private final Symbol[] _capabilities; |
| |
| public ExchangeDestination(Exchange<?> exchange, |
| final Queue<?> queue, |
| TerminusDurability durable, |
| TerminusExpiryPolicy expiryPolicy, |
| String address, |
| final String initialRoutingAddress, |
| final List<Symbol> capabilities) |
| { |
| super(queue, address); |
| _exchange = exchange; |
| _durability = durable; |
| _expiryPolicy = expiryPolicy; |
| _discardUnroutable = (capabilities != null && capabilities.contains(DISCARD_UNROUTABLE)) || exchange.getUnroutableMessageBehaviour() == Exchange.UnroutableMessageBehaviour.DISCARD; |
| _initialRoutingAddress = initialRoutingAddress; |
| |
| List<Symbol> destinationCapabilities = new ArrayList<>(capabilities); |
| if (_discardUnroutable) |
| { |
| destinationCapabilities.add(DISCARD_UNROUTABLE); |
| } |
| else |
| { |
| destinationCapabilities.add(REJECT_UNROUTABLE); |
| } |
| destinationCapabilities.add(TOPIC_CAPABILITY); |
| |
| _capabilities = destinationCapabilities.toArray(new Symbol[destinationCapabilities.size()]); |
| } |
| |
| public Outcome[] getOutcomes() |
| { |
| return OUTCOMES; |
| } |
| |
| public Outcome send(final ServerMessage<?> message, |
| final String routingAddress, |
| ServerTransaction txn, |
| final Action<MessageInstance> action) |
| { |
| final InstanceProperties instanceProperties = |
| new InstanceProperties() |
| { |
| |
| @Override |
| public Object getProperty(final Property prop) |
| { |
| switch(prop) |
| { |
| case MANDATORY: |
| return false; |
| case REDELIVERED: |
| return false; |
| case PERSISTENT: |
| return message.isPersistent(); |
| case IMMEDIATE: |
| return false; |
| case EXPIRATION: |
| return message.getExpiration(); |
| } |
| return null; |
| }}; |
| |
| final RoutingResult result = _exchange.route(message, |
| routingAddress, |
| instanceProperties); |
| int enqueues = result.send(txn, action); |
| |
| if(enqueues == 0) |
| { |
| _exchange.getEventLogger().message(ExchangeMessages.DISCARDMSG(_exchange.getName(), routingAddress)); |
| } |
| |
| return enqueues == 0 && !_discardUnroutable ? createdRejectedOutcome(routingAddress) : ACCEPTED; |
| } |
| |
| private Outcome createdRejectedOutcome(final String routingAddress) |
| { |
| Rejected rejected = new Rejected(); |
| final Error notFoundError = new Error(AmqpError.NOT_FOUND, "Unknown destination '"+routingAddress+'"'); |
| rejected.setError(notFoundError); |
| return rejected; |
| } |
| |
| @Override |
| public MessageDestination getMessageDestination() |
| { |
| return _exchange; |
| } |
| |
| @Override |
| public void authorizePublish(final SecurityToken securityToken, |
| final String routingAddress) |
| { |
| _exchange.authorisePublish(securityToken, |
| Collections.<String,Object>singletonMap("routingKey", routingAddress)); |
| |
| |
| } |
| |
| @Override |
| public String getRoutingAddress(final Message_1_0 message) |
| { |
| String routingAddress; |
| MessageMetaData_1_0.MessageHeader_1_0 messageHeader = message.getMessageHeader(); |
| if(_initialRoutingAddress == null) |
| { |
| final String to = messageHeader.getTo(); |
| if (to != null |
| && (_exchange.getName() == null || _exchange.getName().trim().equals(""))) |
| { |
| routingAddress = to; |
| } |
| else if (to != null |
| && to.startsWith(_exchange.getName() + "/")) |
| { |
| routingAddress = to.substring(1 + _exchange.getName().length()); |
| } |
| else if (to != null && !to.equals(_exchange.getName())) |
| { |
| routingAddress = to; |
| } |
| else if (messageHeader.getHeader("routing-key") instanceof String) |
| { |
| routingAddress = (String) messageHeader.getHeader("routing-key"); |
| } |
| else if (messageHeader.getHeader("routing_key") instanceof String) |
| { |
| routingAddress = (String) messageHeader.getHeader("routing_key"); |
| } |
| else if (messageHeader.getSubject() != null) |
| { |
| routingAddress = messageHeader.getSubject(); |
| } |
| else |
| { |
| routingAddress = ""; |
| } |
| |
| } |
| else |
| { |
| if (messageHeader.getTo() != null |
| && messageHeader.getTo().startsWith(_exchange.getName() + "/" + _initialRoutingAddress + "/")) |
| { |
| routingAddress = messageHeader.getTo().substring(2+_exchange.getName().length()+_initialRoutingAddress.length()); |
| } |
| else |
| { |
| routingAddress = _initialRoutingAddress; |
| } |
| } |
| return routingAddress; |
| } |
| |
| TerminusDurability getDurability() |
| { |
| return _durability; |
| } |
| |
| TerminusExpiryPolicy getExpiryPolicy() |
| { |
| return _expiryPolicy; |
| } |
| |
| public int getCredit() |
| { |
| // TODO - fix |
| return 20000; |
| } |
| |
| public Exchange<?> getExchange() |
| { |
| return _exchange; |
| } |
| |
| public String getInitialRoutingAddress() |
| { |
| return _initialRoutingAddress; |
| } |
| |
| @Override |
| public Symbol[] getCapabilities() |
| { |
| return _capabilities; |
| } |
| } |