/*
* Copyright 2002-2014 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.messaging.Message;
import org.springframework.messaging.handler.DestinationPatternsMessageCondition;
import org.springframework.messaging.handler.MessageCondition;
/**
* Encapsulates the following request mapping conditions:
* <ol>
* <li>{@link SimpMessageTypeMessageCondition}
* <li>{@link DestinationPatternsMessageCondition}
* </ol>
*
* @author Rossen Stoyanchev
* @since 4.0
*/
public class SimpMessageMappingInfo implements MessageCondition<SimpMessageMappingInfo> {
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
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 obj) {
if (this == obj) {
return true;
}
if (obj != null && obj instanceof SimpMessageMappingInfo) {
SimpMessageMappingInfo other = (SimpMessageMappingInfo) obj;
return (this.destinationConditions.equals(other.destinationConditions) &&
this.messageTypeMessageCondition.equals(other.messageTypeMessageCondition));
}
return false;
}
@Override
public int hashCode() {
return (this.destinationConditions.hashCode() * 31 + this.messageTypeMessageCondition.hashCode());
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder("{");
builder.append(this.destinationConditions);
builder.append(",messageType=").append(this.messageTypeMessageCondition);
builder.append('}');
return builder.toString();
}
}