org.apache.inlong.sort.filesystem.shaded.com.amazonaws.internal.http.JsonErrorCodeParser Maven / Gradle / Ivy
/*
* Copyright 2015-2022 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.internal.http;
import java.util.Map;
import com.amazonaws.annotation.SdkInternalApi;
import com.amazonaws.http.HttpResponse;
import com.amazonaws.protocol.json.JsonContent;
import com.fasterxml.jackson.databind.JsonNode;
@SdkInternalApi
public class JsonErrorCodeParser implements ErrorCodeParser {
/**
* Services using AWS JSON 1.1 protocol with HTTP binding send the error code information in the
* response headers, instead of the content. Package private for tests.
*/
static final String X_AMZN_ERROR_TYPE = "x-amzn-ErrorType";
private final String errorCodeFieldName;
public JsonErrorCodeParser() {
this(null);
}
public JsonErrorCodeParser(String errorCodeFieldName) {
this.errorCodeFieldName = errorCodeFieldName == null ? "__type" : errorCodeFieldName;
}
/**
* Parse the error code from the response.
*
* @return Error Code of exceptional response or null if it can't be determined
*/
public String parseErrorCode(HttpResponse response, JsonContent jsonContent) {
String errorCodeFromHeader = parseErrorCodeFromHeader(response.getHeaders());
if (errorCodeFromHeader != null) {
return errorCodeFromHeader;
} else if (jsonContent != null) {
return parseErrorCodeFromContents(jsonContent.getJsonNode());
} else {
return null;
}
}
/**
* Attempt to parse the error code from the response headers. Returns null if information is not
* present in the header.
*/
private String parseErrorCodeFromHeader(Map httpHeaders) {
String headerValue = httpHeaders.get(X_AMZN_ERROR_TYPE);
if (headerValue != null) {
int separator = headerValue.indexOf(':');
if (separator != -1) {
headerValue = headerValue.substring(0, separator);
}
}
return headerValue;
}
/**
* Attempt to parse the error code from the response content. Returns null if information is not
* present in the content. Codes are expected to be in the form "typeName" or
* "prefix#typeName" Examples : "AccessDeniedException", "com.amazonaws.dynamodb.v20111205#ProvisionedThroughputExceededException"
*/
private String parseErrorCodeFromContents(JsonNode jsonContents) {
if (jsonContents == null || !jsonContents.has(errorCodeFieldName)) {
return null;
}
String code = jsonContents.findValue(errorCodeFieldName).asText();
int separator = code.lastIndexOf("#");
return code.substring(separator + 1);
}
}