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   * Copyright 2010-2015, 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
  * or in the "license" file accompanying this file. This file is distributed
  * express or implied. See the License for the specific language governing
  * permissions and limitations under the License.
 package com.amazonaws.transform;
 import static com.amazonaws.util.XpathUtils.asString;
 import static com.amazonaws.util.XpathUtils.xpath;
Unmarshalls an AWS error response into an AmazonServiceException, or optionally, a subclass of AmazonServiceException if this class is extended.
 public class LegacyErrorUnmarshaller implements Unmarshaller<AmazonServiceExceptionNode> {
The type of AmazonServiceException that will be instantiated. Subclasses specialized for a specific type of exception can control this through the protected constructor.
     private final Class<? extends AmazonServiceExceptionexceptionClass;

Constructs a new unmarshaller that will unmarshall AWS error responses as a generic AmazonServiceException object.
     public LegacyErrorUnmarshaller() {

Constructor allowing subclasses to specify a specific type of AmazonServiceException to instantiating when populating the exception object with data from the AWS error response.

exceptionClass The class of AmazonServiceException to create and populate when unmarshalling the AWS error response.
     protected LegacyErrorUnmarshaller(Class<? extends AmazonServiceExceptionexceptionClass) {
         this. = exceptionClass;
     public AmazonServiceException unmarshall(Node inthrows Exception {
         XPath xpath = xpath();
         String errorCode = parseErrorCode(inxpath);
         String message = asString("Response/Errors/Error/Message"inxpath);
         String requestId = asString("Response/RequestID"inxpath);
         String errorType = asString("Response/Errors/Error/Type"inxpath);
         Constructor<? extends AmazonServiceExceptionconstructor = .getConstructor(String.class);
         AmazonServiceException ase = constructor.newInstance(message);
         if (errorType == null) {
         } else if (errorType.equalsIgnoreCase("server")) {
         } else if (errorType.equalsIgnoreCase("client")) {
         return ase;

Returns the AWS error code for the specified error response.

in The DOM tree node containing the error response.
The AWS error code contained in the specified error response.
java.lang.Exception If any problems were encountered pulling out the AWS error code.
     public String parseErrorCode(Node inthrows Exception {
         return asString("Response/Errors/Error/Code"in);
    public String parseErrorCode(Node inXPath xpaththrows Exception {
        return asString("Response/Errors/Error/Code"inxpath);

Returns the path to the specified property within an error response.

property The name of the desired property.
The path to the specified property within an error message.
    public String getErrorPropertyPath(String property) {
        return "Response/Errors/Error/" + property;
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