SqsMessageHeaders.java

/*
 * Copyright 2013-2014 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.cloud.aws.messaging.core;

import org.springframework.messaging.MessageHeaders;

import java.util.Map;

/**
 * Specialization of the {@link MessageHeaders} class that allows to set an ID. This was done to support cases where the
 * ID sent by the producer must be restored on the consumer side for traceability.
 *
 * @author Alain Sahli
 * @since 1.0
 */
public class SqsMessageHeaders extends MessageHeaders {

    public static final String SQS_DELAY_HEADER = "delay";

    public SqsMessageHeaders(Map<String, Object> headers) {
        super(headers);

        if (headers.containsKey(ID)) {
            this.getRawHeaders().put(ID, headers.get(ID));
        }
    }
}