org.springframework.messaging.simp.config.AbstractBrokerRegistration Maven / Gradle / Ivy
/*
* Copyright 2002-2017 the original author or authors.
*
* Licensed 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.springframework.messaging.simp.config;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.springframework.lang.Nullable;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.SubscribableChannel;
import org.springframework.messaging.simp.broker.AbstractBrokerMessageHandler;
import org.springframework.util.Assert;
/**
* Base class for message broker registration classes.
*
* @author Rossen Stoyanchev
* @since 4.0
*/
public abstract class AbstractBrokerRegistration {
private final SubscribableChannel clientInboundChannel;
private final MessageChannel clientOutboundChannel;
private final List destinationPrefixes;
public AbstractBrokerRegistration(SubscribableChannel clientInboundChannel,
MessageChannel clientOutboundChannel, @Nullable String[] destinationPrefixes) {
Assert.notNull(clientOutboundChannel, "'clientInboundChannel' must not be null");
Assert.notNull(clientOutboundChannel, "'clientOutboundChannel' must not be null");
this.clientInboundChannel = clientInboundChannel;
this.clientOutboundChannel = clientOutboundChannel;
this.destinationPrefixes = (destinationPrefixes != null ?
Arrays.asList(destinationPrefixes) : Collections.emptyList());
}
protected SubscribableChannel getClientInboundChannel() {
return this.clientInboundChannel;
}
protected MessageChannel getClientOutboundChannel() {
return this.clientOutboundChannel;
}
protected Collection getDestinationPrefixes() {
return this.destinationPrefixes;
}
protected abstract AbstractBrokerMessageHandler getMessageHandler(SubscribableChannel brokerChannel);
}