/** @see com.amazonaws.http.HttpResponseHandler#handle(com.amazonaws.http.HttpResponse) */
  public AmazonWebServiceResponse<S3Object> handle(HttpResponse response) throws Exception {
    /*
     * TODO: It'd be nice to set the bucket name and key here, but the
     *       information isn't easy to pull out of the response/request
     *       currently.
     */
    S3Object object = new S3Object();
    AmazonWebServiceResponse<S3Object> awsResponse = parseResponseMetadata(response);
    if (response.getHeaders().get(Headers.REDIRECT_LOCATION) != null) {
      object.setRedirectLocation(response.getHeaders().get(Headers.REDIRECT_LOCATION));
    }
    ObjectMetadata metadata = object.getObjectMetadata();
    populateObjectMetadata(response, metadata);
    boolean hasServerSideCalculatedChecksum =
        !ServiceUtils.isMultipartUploadETag(metadata.getETag());
    boolean responseContainsEntireObject = response.getHeaders().get("Content-Range") == null;

    if (hasServerSideCalculatedChecksum && responseContainsEntireObject) {
      byte[] expectedChecksum = BinaryUtils.fromHex(metadata.getETag());
      object.setObjectContent(
          new S3ObjectInputStream(
              new ChecksumValidatingInputStream(
                  response.getContent(),
                  expectedChecksum,
                  object.getBucketName() + "/" + object.getKey()),
              response.getHttpRequest()));
    } else {
      object.setObjectContent(
          new S3ObjectInputStream(response.getContent(), response.getHttpRequest()));
    }

    awsResponse.setResult(object);
    return awsResponse;
  }
  /** @see com.amazonaws.http.HttpResponseHandler#handle(com.amazonaws.http.HttpResponse) */
  public AmazonWebServiceResponse<T> handle(HttpResponse response) throws Exception {
    log.trace("Parsing service response JSON");
    JsonParser jsonParser = jsonFactory.createJsonParser(response.getContent());
    try {
      AmazonWebServiceResponse<T> awsResponse = new AmazonWebServiceResponse<T>();
      JsonUnmarshallerContext unmarshallerContext = new JsonUnmarshallerContext(jsonParser);

      // TODO: Anything else to do for JSON metadata?
      unmarshallerContext.registerMetadataExpression(
          "ResponseMetadata/RequestId", 2, ResponseMetadata.AWS_REQUEST_ID);
      unmarshallerContext.registerMetadataExpression(
          "requestId", 2, ResponseMetadata.AWS_REQUEST_ID);
      registerAdditionalMetadataExpressions(unmarshallerContext);

      T result = responseUnmarshaller.unmarshall(unmarshallerContext);
      awsResponse.setResult(result);

      Map<String, String> metadata = unmarshallerContext.getMetadata();
      awsResponse.setResponseMetadata(new ResponseMetadata(metadata));

      log.trace("Done parsing service response");
      return awsResponse;
    } finally {
      try {
        jsonParser.close();
      } catch (Exception e) {
      }
    }
  }
  /** @see com.amazonaws.http.HttpResponseHandler#handle(com.amazonaws.http.HttpResponse) */
  public AmazonWebServiceResponse<ObjectMetadata> handle(HttpResponse response) throws Exception {
    ObjectMetadata metadata = new ObjectMetadata();
    populateObjectMetadata(response, metadata);

    AmazonWebServiceResponse<ObjectMetadata> awsResponse = parseResponseMetadata(response);
    awsResponse.setResult(metadata);
    return awsResponse;
  }
Ejemplo n.º 4
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  /** @see com.amazonaws.http.HttpResponseHandler#handle(com.amazonaws.http.HttpResponse) */
  public AmazonWebServiceResponse<T> handle(HttpResponse response) throws Exception {
    log.trace("Parsing service response JSON");

    String CRC32Checksum = response.getHeaders().get("x-amz-crc32");
    CRC32ChecksumCalculatingInputStream crc32ChecksumInputStream = null;

    JsonParser jsonParser = null;

    if (!needsConnectionLeftOpen) {
      if (CRC32Checksum != null) {
        crc32ChecksumInputStream = new CRC32ChecksumCalculatingInputStream(response.getContent());
        jsonParser = jsonFactory.createParser(crc32ChecksumInputStream);
      } else {
        jsonParser = jsonFactory.createParser(response.getContent());
      }
    }

    try {
      AmazonWebServiceResponse<T> awsResponse = new AmazonWebServiceResponse<T>();
      JsonUnmarshallerContext unmarshallerContext =
          new JsonUnmarshallerContext(jsonParser, response);
      registerAdditionalMetadataExpressions(unmarshallerContext);

      T result = responseUnmarshaller.unmarshall(unmarshallerContext);

      if (CRC32Checksum != null) {
        long serverSideCRC = Long.parseLong(CRC32Checksum);
        long clientSideCRC = crc32ChecksumInputStream.getCRC32Checksum();
        if (clientSideCRC != serverSideCRC) {
          throw new CRC32MismatchException(
              "Client calculated crc32 checksum didn't match that calculated by server side");
        }
      }

      awsResponse.setResult(result);

      Map<String, String> metadata = unmarshallerContext.getMetadata();
      metadata.put(ResponseMetadata.AWS_REQUEST_ID, response.getHeaders().get("x-amzn-RequestId"));
      awsResponse.setResponseMetadata(new ResponseMetadata(metadata));

      log.trace("Done parsing service response");
      return awsResponse;
    } finally {
      if (!needsConnectionLeftOpen) {
        try {
          jsonParser.close();
        } catch (IOException e) {
          log.warn("Error closing json parser", e);
        }
      }
    }
  }
  /* (non-Javadoc)
   * @see com.amazonaws.http.HttpResponseHandler#handle(com.amazonaws.http.HttpResponse)
   */
  public AmazonWebServiceResponse<String> handle(HttpResponse response) throws Exception {
    AmazonWebServiceResponse<String> awsResponse = parseResponseMetadata(response);

    int bytesRead;
    byte[] buffer = new byte[1024];
    StringBuilder builder = new StringBuilder();
    InputStream content = response.getContent();
    while ((bytesRead = content.read(buffer)) > 0) {
      builder.append(new String(buffer, 0, bytesRead));
    }
    awsResponse.setResult(builder.toString());

    return awsResponse;
  }