org.apache.activemq.artemis.core.protocol.core.impl.wireformat.QueueAbstractPacket Maven / Gradle / Ivy
/**
* 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.activemq.artemis.core.protocol.core.impl.wireformat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.apache.activemq.artemis.api.core.RoutingType;
import org.apache.activemq.artemis.api.core.SimpleString;
import org.apache.activemq.artemis.core.protocol.core.impl.PacketImpl;
public abstract class QueueAbstractPacket extends PacketImpl {
protected SimpleString queueName;
protected SimpleString address;
public SimpleString getQueueName() {
return queueName;
}
public SimpleString getAddress() {
return address;
}
/**
* It converts the given {@code queueNames} using the JMS prefix found on {@link #address} when {@code clientVersion < }{@link #ADDRESSING_CHANGE_VERSION}.
* If no conversion has occurred, it returns {@code queueNames}.
*
* @param clientVersion version of the client
* @param queueNames names of the queues to be converted
* @return the converted queues names or {@code queueNames} when no conversion has occurred
*/
public final List convertQueueNames(int clientVersion, List queueNames) {
if (clientVersion < ADDRESSING_CHANGE_VERSION) {
final int names = queueNames.size();
if (names == 0) {
return Collections.emptyList();
} else {
final SimpleString prefix = jmsPrefixOf(this.address);
if (prefix != null) {
final List prefixedQueueNames = new ArrayList<>(names);
for (int i = 0; i < names; i++) {
final SimpleString oldQueueName = queueNames.get(i);
if (oldQueueName.startsWith(prefix)) {
prefixedQueueNames.add(oldQueueName);
} else {
final SimpleString prefixedQueueName = prefix.concat(oldQueueName);
prefixedQueueNames.add(prefixedQueueName);
}
}
return prefixedQueueNames;
} else {
return queueNames;
}
}
} else {
return queueNames;
}
}
private static SimpleString jmsPrefixOf(SimpleString address) {
if (address.startsWith(OLD_QUEUE_PREFIX)) {
return OLD_QUEUE_PREFIX;
} else if (address.startsWith(OLD_TOPIC_PREFIX)) {
return OLD_TOPIC_PREFIX;
} else {
return null;
}
}
public QueueAbstractPacket(byte type) {
super(type);
}
public static SimpleString getOldPrefixedAddress(SimpleString address, RoutingType routingType) {
if (routingType == RoutingType.MULTICAST && !address.startsWith(OLD_TOPIC_PREFIX)) {
return OLD_TOPIC_PREFIX.concat(address);
} else if (routingType == RoutingType.ANYCAST && !address.startsWith(OLD_QUEUE_PREFIX)) {
return OLD_QUEUE_PREFIX.concat(address);
}
return address;
}
}