org.springframework.messaging.simp.SimpMessageMappingInfo Maven / Gradle / Ivy
/*
* Copyright 2002-2018 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;
import org.springframework.lang.Nullable;
import org.springframework.messaging.Message;
import org.springframework.messaging.handler.DestinationPatternsMessageCondition;
import org.springframework.messaging.handler.MessageCondition;
/**
* {@link MessageCondition} for SImple Messaging Protocols. Encapsulates the following
* request mapping conditions:
*
* - {@link SimpMessageTypeMessageCondition}
*
- {@link DestinationPatternsMessageCondition}
*
*
* @author Rossen Stoyanchev
* @since 4.0
*/
public class SimpMessageMappingInfo implements MessageCondition {
private final SimpMessageTypeMessageCondition messageTypeMessageCondition;
private final DestinationPatternsMessageCondition destinationConditions;
public SimpMessageMappingInfo(SimpMessageTypeMessageCondition messageTypeMessageCondition,
DestinationPatternsMessageCondition destinationConditions) {
this.messageTypeMessageCondition = messageTypeMessageCondition;
this.destinationConditions = destinationConditions;
}
public SimpMessageTypeMessageCondition getMessageTypeMessageCondition() {
return this.messageTypeMessageCondition;
}
public DestinationPatternsMessageCondition getDestinationConditions() {
return this.destinationConditions;
}
@Override
public SimpMessageMappingInfo combine(SimpMessageMappingInfo other) {
SimpMessageTypeMessageCondition typeCond =
this.getMessageTypeMessageCondition().combine(other.getMessageTypeMessageCondition());
DestinationPatternsMessageCondition destCond =
this.destinationConditions.combine(other.getDestinationConditions());
return new SimpMessageMappingInfo(typeCond, destCond);
}
@Override
@Nullable
public SimpMessageMappingInfo getMatchingCondition(Message message) {
SimpMessageTypeMessageCondition typeCond = this.messageTypeMessageCondition.getMatchingCondition(message);
if (typeCond == null) {
return null;
}
DestinationPatternsMessageCondition destCond = this.destinationConditions.getMatchingCondition(message);
if (destCond == null) {
return null;
}
return new SimpMessageMappingInfo(typeCond, destCond);
}
@Override
public int compareTo(SimpMessageMappingInfo other, Message message) {
int result = this.messageTypeMessageCondition.compareTo(other.messageTypeMessageCondition, message);
if (result != 0) {
return result;
}
result = this.destinationConditions.compareTo(other.destinationConditions, message);
if (result != 0) {
return result;
}
return 0;
}
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (!(other instanceof SimpMessageMappingInfo)) {
return false;
}
SimpMessageMappingInfo otherInfo = (SimpMessageMappingInfo) other;
return (this.destinationConditions.equals(otherInfo.destinationConditions) &&
this.messageTypeMessageCondition.equals(otherInfo.messageTypeMessageCondition));
}
@Override
public int hashCode() {
return (this.destinationConditions.hashCode() * 31 + this.messageTypeMessageCondition.hashCode());
}
@Override
public String toString() {
return "{" + this.destinationConditions + ",messageType=" + this.messageTypeMessageCondition + '}';
}
}