org.springframework.messaging.simp.SimpMessageMappingInfo.java Source code

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Here is the source code for org.springframework.messaging.simp.SimpMessageMappingInfo.java

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/*
 * Copyright 2002-2019 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
 *
 *      https://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.CompositeMessageCondition;
import org.springframework.messaging.handler.DestinationPatternsMessageCondition;
import org.springframework.messaging.handler.MessageCondition;

/**
 * {@link MessageCondition} for SImple Messaging Protocols. 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 CompositeMessageCondition delegate;

    public SimpMessageMappingInfo(SimpMessageTypeMessageCondition messageTypeMessageCondition,
            DestinationPatternsMessageCondition destinationConditions) {

        this.delegate = new CompositeMessageCondition(messageTypeMessageCondition, destinationConditions);
    }

    private SimpMessageMappingInfo(CompositeMessageCondition delegate) {
        this.delegate = delegate;
    }

    public SimpMessageTypeMessageCondition getMessageTypeMessageCondition() {
        return this.delegate.getCondition(SimpMessageTypeMessageCondition.class);
    }

    public DestinationPatternsMessageCondition getDestinationConditions() {
        return this.delegate.getCondition(DestinationPatternsMessageCondition.class);
    }

    @Override
    public SimpMessageMappingInfo combine(SimpMessageMappingInfo other) {
        return new SimpMessageMappingInfo(this.delegate.combine(other.delegate));
    }

    @Override
    @Nullable
    public SimpMessageMappingInfo getMatchingCondition(Message<?> message) {
        CompositeMessageCondition condition = this.delegate.getMatchingCondition(message);
        return condition != null ? new SimpMessageMappingInfo(condition) : null;
    }

    @Override
    public int compareTo(SimpMessageMappingInfo other, Message<?> message) {
        return this.delegate.compareTo(other.delegate, message);
    }

    @Override
    public boolean equals(@Nullable Object other) {
        if (this == other) {
            return true;
        }
        if (!(other instanceof SimpMessageMappingInfo)) {
            return false;
        }
        return this.delegate.equals(((SimpMessageMappingInfo) other).delegate);
    }

    @Override
    public int hashCode() {
        return this.delegate.hashCode();
    }

    @Override
    public String toString() {
        return this.delegate.toString();
    }

}