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/*
* Copyright 2010-2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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 com.amazonaws;
import java.util.Map;
/**
* Represents additional metadata included with a response from AWS. Response
* metadata varies by service, but all services return an AWS request ID that
* can be used in the event a service call isn't working as expected and you
* need to work with AWS support to debug an issue.
*
* Access to AWS request IDs is also available through the com.amazonaws.request
* logger in the AWS SDK for Java.
*/
public class ResponseMetadata {
/** Constant for the AWS Request ID. */
public static final String AWS_REQUEST_ID = "AWS_REQUEST_ID";
protected final Map metadata;
/**
* Creates a new ResponseMetadata object from a specified map of raw
* metadata information.
*
* @param metadata The raw metadata for the new ResponseMetadata object.
*/
public ResponseMetadata(Map metadata) {
this.metadata = metadata;
}
/**
* Creates a new ResponseMetadata object from an existing ResponseMetadata
* object.
*
* @param originalResponseMetadata The ResponseMetadata object from which to
* create the new object.
*/
public ResponseMetadata(ResponseMetadata originalResponseMetadata) {
this(originalResponseMetadata.metadata);
}
/**
* Returns the AWS request ID contained in this response metadata object.
* AWS request IDs can be used in the event a service call isn't working as
* expected and you need to work with AWS support to debug an issue.
*
* @return The AWS request ID contained in this response metadata object.
*/
public String getRequestId() {
return metadata.get(AWS_REQUEST_ID);
}
@Override
public String toString() {
if (metadata == null)
return "{}";
return metadata.toString();
}
}