Java Code Examples for java.net.HttpURLConnection#HTTP_BAD_REQUEST

private static Status.Code httpStatusToGrpcCode(int httpStatusCode) {
  if (httpStatusCode >= 100 && httpStatusCode < 200) {
    // 1xx. These headers should have been ignored.
    return Status.Code.INTERNAL;
  }
  switch (httpStatusCode) {
    case HttpURLConnection.HTTP_BAD_REQUEST:  // 400
    case 431: // Request Header Fields Too Large
      // TODO(carl-mastrangelo): this should be added to the http-grpc-status-mapping.md doc.
      return Status.Code.INTERNAL;
    case HttpURLConnection.HTTP_UNAUTHORIZED:  // 401
      return Status.Code.UNAUTHENTICATED;
    case HttpURLConnection.HTTP_FORBIDDEN:  // 403
      return Status.Code.PERMISSION_DENIED;
    case HttpURLConnection.HTTP_NOT_FOUND:  // 404
      return Status.Code.UNIMPLEMENTED;
    case 429:  // Too Many Requests
    case HttpURLConnection.HTTP_BAD_GATEWAY:  // 502
    case HttpURLConnection.HTTP_UNAVAILABLE:  // 503
    case HttpURLConnection.HTTP_GATEWAY_TIMEOUT:  // 504
      return Status.Code.UNAVAILABLE;
    default:
      return Status.Code.UNKNOWN;
  }
}
 

/**
 * Get user name from Google, with the token provided.
 * @param token Google access token
 * @return The user found in Google
 * @throws IOException If fails
 */
private Identity fetch(final String token) throws IOException {
    // @checkstyle LineLength (1 line)
    final String uri = new Href(this.gapi).path("plus").path("v1")
        .path("people")
        .path("me")
        .with(PsGoogle.ACCESS_TOKEN, token)
        .toString();
    final JsonObject json = new JdkRequest(uri).fetch()
        .as(JsonResponse.class).json()
        .readObject();
    if (json.containsKey(PsGoogle.ERROR)) {
        throw new HttpException(
            HttpURLConnection.HTTP_BAD_REQUEST,
            String.format(
                "could not retrieve id from Google, possible cause: %s.",
                json.getJsonObject(PsGoogle.ERROR).get("message")
            )
        );
    }
    return PsGoogle.parse(json);
}
 

private static String performCall(final URL url, final String method, final String data, final HttpURLConnection existingConnection) {
    try {
        final HttpURLConnection connection = existingConnection != null
                ? existingConnection : (HttpURLConnection) url.openConnection();
        connection.setRequestMethod(method);
        connection.setDoInput(true);

        if (data != null && !data.isEmpty()) {
            connection.setDoOutput(true);
            final OutputStream output = connection.getOutputStream();
            output.write(data.getBytes(Charset.forName(UTF8)));
            output.flush();
            output.close();
        }

        InputStream input = connection.getResponseCode() < HttpURLConnection.HTTP_BAD_REQUEST
                ? connection.getInputStream() : connection.getErrorStream();

        return FileUtils.readCloseTextStream(connection.getInputStream());
    } catch (Exception e) {
        e.printStackTrace();
    }
    return "";
}
 

private SaslOutcome getSaslOutcomeForErrorStatus(final int status) {
    final SaslOutcome saslOutcome;
    switch (status) {
        case HttpURLConnection.HTTP_BAD_REQUEST:
        case HttpURLConnection.HTTP_UNAUTHORIZED:
            // failed due to an authentication error
            saslOutcome = SaslOutcome.PN_SASL_AUTH;
            break;
        case HttpURLConnection.HTTP_INTERNAL_ERROR:
            // failed due to a system error
            saslOutcome = SaslOutcome.PN_SASL_SYS;
            break;
        case HttpURLConnection.HTTP_UNAVAILABLE:
            // failed due to a transient error
            saslOutcome = SaslOutcome.PN_SASL_TEMP;
            break;
        default:
            if (status >= 400 && status < 500) {
                // client error
                saslOutcome = SaslOutcome.PN_SASL_PERM;
            } else {
                saslOutcome = SaslOutcome.PN_SASL_TEMP;
            }
    }
    return saslOutcome;
}
 

/**
 * Creates an AMQP error condition for an throwable.
 * <p>
 * Non {@link ServiceInvocationException} instances are mapped to {@link AmqpError#PRECONDITION_FAILED}.
 *
 * @param t The throwable to map to an error condition.
 * @return The error condition.
 */
protected final ErrorCondition getErrorCondition(final Throwable t) {
    if (ServiceInvocationException.class.isInstance(t)) {
        final ServiceInvocationException error = (ServiceInvocationException) t;
        switch (error.getErrorCode()) {
        case HttpURLConnection.HTTP_BAD_REQUEST:
            return ProtonHelper.condition(Constants.AMQP_BAD_REQUEST, error.getMessage());
        case HttpURLConnection.HTTP_FORBIDDEN:
            return ProtonHelper.condition(AmqpError.UNAUTHORIZED_ACCESS, error.getMessage());
        case HttpUtils.HTTP_TOO_MANY_REQUESTS:
            return ProtonHelper.condition(AmqpError.RESOURCE_LIMIT_EXCEEDED, error.getMessage());
        default:
            return ProtonHelper.condition(AmqpError.PRECONDITION_FAILED, error.getMessage());
        }
    } else {
        return ProtonHelper.condition(AmqpError.PRECONDITION_FAILED, t.getMessage());
    }
}
 

/**
 * Returns a legal character based n the read character.
 * @param data Character read
 * @param baos Byte stream containing read header
 * @param position Header line number
 * @return A legal character
 * @throws IOException if character is illegal
 */
private static Integer legalCharacter(final Opt<Integer> data,
    final ByteArrayOutputStream baos, final Integer position)
    throws IOException {
    // @checkstyle MagicNumber (1 line)
    if ((data.get() > 0x7f || data.get() < 0x20)
        && data.get() != '\t') {
        throw new HttpException(
            HttpURLConnection.HTTP_BAD_REQUEST,
            String.format(
                "illegal character 0x%02X in HTTP header line #%d: \"%s\"",
                data.get(),
                position,
                new TextOf(baos.toByteArray()).asString()
            )
        );
    }
    return data.get();
}
 

private static String performCall(final URL url, final String method, final String data, final HttpURLConnection existingConnection) {
    try {
        final HttpURLConnection connection = existingConnection != null
                ? existingConnection : (HttpURLConnection) url.openConnection();
        connection.setRequestMethod(method);
        connection.setDoInput(true);

        if (data != null && !data.isEmpty()) {
            connection.setDoOutput(true);
            final OutputStream output = connection.getOutputStream();
            output.write(data.getBytes(Charset.forName(UTF8)));
            output.flush();
            output.close();
        }

        InputStream input = connection.getResponseCode() < HttpURLConnection.HTTP_BAD_REQUEST
                ? connection.getInputStream() : connection.getErrorStream();

        return FileUtils.readCloseTextStream(connection.getInputStream());
    } catch (Exception e) {
        e.printStackTrace();
    }
    return "";
}
 

/**
 * Constructs a response object from a servlet response.
 * @param frame the target frame on which the response will be displayed
 * @param url the url from which the response was received
 * @param response the response populated by the servlet
 **/
ServletUnitWebResponse( ServletUnitClient client, FrameSelector frame, URL url, HttpServletResponse response, boolean throwExceptionOnError ) throws IOException {
    super( client, frame, url );
    _response = (ServletUnitHttpResponse) response;
    /** make sure that any IO exception for HTML received page happens here, not later. **/
    if (getResponseCode() < HttpURLConnection.HTTP_BAD_REQUEST || !throwExceptionOnError) {
        defineRawInputStream( new ByteArrayInputStream( _response.getContents() ) );
        if (getContentType().startsWith( "text" )) loadResponseText();
    }
}
 

@Override
public Opt<Identity> enter(final Request request)
    throws IOException {
    final Href href = new RqHref.Base(request).href();
    final Iterator<String> code = href.param(PsLinkedin.CODE).iterator();
    if (!code.hasNext()) {
        throw new HttpException(
            HttpURLConnection.HTTP_BAD_REQUEST,
            "code is not provided by LinkedIn"
        );
    }
    return new Opt.Single<>(
        this.fetch(this.token(href.toString(), code.next()))
    );
}
 

/**
 * Constructs a response object from an input stream.
 * @param frame the target window or frame to which the request should be directed
 * @param url the url from which the response was received
 * @param connection the URL connection from which the response can be read
 **/
HttpWebResponse( WebConversation client, FrameSelector frame, URL url, URLConnection connection, boolean throwExceptionOnError ) throws IOException {
    super( client, frame, url );
    if (HttpUnitOptions.isLoggingHttpHeaders()) System.out.println( "\nReceived from " + url );
    readHeaders( connection );

    /** make sure that any IO exception for HTML received page happens here, not later. **/
    if (_responseCode < HttpURLConnection.HTTP_BAD_REQUEST || !throwExceptionOnError) {
        defineRawInputStream( new BufferedInputStream( getInputStream( connection ) ) );
        if (getContentType().startsWith( "text" )) loadResponseText();
    }
}
 

/**
 * Get single param or throw HTTP exception.
 * @param name Name of query param
 * @return Value of it
 * @throws IOException If fails
 */
public String single(final CharSequence name) throws IOException {
    final Iterator<String> params = this.param(name).iterator();
    if (!params.hasNext()) {
        throw new HttpException(
            HttpURLConnection.HTTP_BAD_REQUEST,
            String.format(
                "form param \"%s\" is mandatory", name
            )
        );
    }
    return params.next();
}
 

@Override
public Opt<Identity> enter(final Request request)
    throws IOException {
    final Href href = new RqHref.Base(request).href();
    final Iterator<String> code = href.param(PsGithub.CODE).iterator();
    if (!code.hasNext()) {
        throw new HttpException(
            HttpURLConnection.HTTP_BAD_REQUEST,
            "code is not provided by Github"
        );
    }
    return new Opt.Single<>(
        this.fetch(this.token(href.toString(), code.next()))
    );
}
 

private void checkStatusCode(HttpURLConnection conn) throws IOException {
    switch (conn.getResponseCode()) {
        case HttpURLConnection.HTTP_BAD_REQUEST:
            throw new TrelloBadRequestException(IOUtils.toString(conn.getErrorStream()));
        case HttpURLConnection.HTTP_UNAUTHORIZED:
            throw new NotAuthorizedException();
        case HttpURLConnection.HTTP_NOT_FOUND:
            throw new NotFoundException("Resource not found: " + conn.getURL());
    }
}
 

private void failConnectionAttempt(final Throwable connectionFailureCause, final Handler<AsyncResult<HonoConnection>> connectionHandler) {

        log.info("stopping connection attempt to server [{}:{}, role: {}] due to terminal error",
                connectionFactory.getHost(),
                connectionFactory.getPort(),
                connectionFactory.getServerRole(),
                connectionFailureCause);

        final ServiceInvocationException serviceInvocationException;
        if (connectionFailureCause == null) {
            serviceInvocationException = new ServerErrorException(HttpURLConnection.HTTP_UNAVAILABLE,
                    "failed to connect");
        } else if (connectionFailureCause instanceof AuthenticationException) {
            // wrong credentials?
            serviceInvocationException = new ClientErrorException(HttpURLConnection.HTTP_UNAUTHORIZED,
                    "failed to authenticate with server");
        } else if (connectionFailureCause instanceof MechanismMismatchException) {
            serviceInvocationException = new ClientErrorException(HttpURLConnection.HTTP_UNAUTHORIZED,
                    "no suitable SASL mechanism found for authentication with server");
        } else if (connectionFailureCause instanceof SSLException) {
            serviceInvocationException = new ClientErrorException(HttpURLConnection.HTTP_BAD_REQUEST,
                    "TLS handshake with server failed: " + connectionFailureCause.getMessage(), connectionFailureCause);
        } else {
            serviceInvocationException = new ServerErrorException(HttpURLConnection.HTTP_UNAVAILABLE,
                    "failed to connect", connectionFailureCause);
        }
        connectionHandler.handle(Future.failedFuture(serviceInvocationException));
    }
 

public static RuntimeException createError(int error, String response, String description)
{
	switch (error)
	{
		// 5xx error codes...
		case HttpURLConnection.HTTP_UNAVAILABLE:
			return new OsmServiceUnavailableException(error, response, description);

		// 4xx error codes...
		case HttpURLConnection.HTTP_NOT_FOUND:
		case HttpURLConnection.HTTP_GONE:
			return new OsmNotFoundException(error, response, description);
		case HttpURLConnection.HTTP_FORBIDDEN:
		case HttpURLConnection.HTTP_UNAUTHORIZED:
		/* 401 unauthorized is returned if the user is not authenticated at all
		 * 403 forbidden is returned if the user is authenticated, but does not have the 
		 *     permission to do the action*/
			return new OsmAuthorizationException(error, response, description);
		case HttpURLConnection.HTTP_CONFLICT:
			return new OsmConflictException(error, response, description);
		case HttpURLConnection.HTTP_BAD_REQUEST:
			return new OsmBadUserInputException(error, response, description);

		default:
			return createGenericError(error, response, description);
	}
}
 

/**
 * Saving response into local string variable
 * @return this request object
 * @throws BinanceApiException in case of any error
 */
public BinanceRequest read() throws BinanceApiException {
    if (conn == null) {
        connect();
    }
    try {

        // posting payload it we do not have it yet
        if (!Strings.isNullOrEmpty(getRequestBody())) {
            log.debug("Payload: {}", getRequestBody());
            conn.setDoInput(true);
            conn.setDoOutput(true);
            OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
            writer.write(getRequestBody());
            writer.close();
        }

        InputStream is;
        if (conn.getResponseCode() < HttpURLConnection.HTTP_BAD_REQUEST) {
            is = conn.getInputStream();
        } else {
            /* error from server */
            is = conn.getErrorStream();
        }

        BufferedReader br = new BufferedReader( new InputStreamReader(is));
        lastResponse = IOUtils.toString(br);
        log.debug("Response: {}", lastResponse);

        if (conn.getResponseCode() >= HttpURLConnection.HTTP_BAD_REQUEST) {
            // Try to parse JSON
            JsonObject obj = (JsonObject)jsonParser.parse(lastResponse);
            if (obj.has("code") && obj.has("msg")) {
                throw new BinanceApiException("ERROR: " +
                        obj.get("code").getAsString() + ", " + obj.get("msg").getAsString() );
            }
        }
    } catch (IOException e) {
        throw new BinanceApiException("Error in reading response " + e.getMessage());
    }
    return this;
}
 

private static String getUserFriendlyReason(int reason) {
    String failedReason = "";
    switch (reason) {
        case DownloadManager.ERROR_CANNOT_RESUME:
            failedReason = "ERROR_CANNOT_RESUME";
            break;
        case DownloadManager.ERROR_DEVICE_NOT_FOUND:
            failedReason = "ERROR_DEVICE_NOT_FOUND";
            break;
        case DownloadManager.ERROR_FILE_ALREADY_EXISTS:
            failedReason = "ERROR_FILE_ALREADY_EXISTS";
            break;
        case DownloadManager.ERROR_FILE_ERROR:
            failedReason = "ERROR_FILE_ERROR";
            break;
        case DownloadManager.ERROR_HTTP_DATA_ERROR:
            failedReason = "ERROR_HTTP_DATA_ERROR";
            break;
        case DownloadManager.ERROR_INSUFFICIENT_SPACE:
            failedReason = "ERROR_INSUFFICIENT_SPACE";
            break;
        case DownloadManager.ERROR_TOO_MANY_REDIRECTS:
            failedReason = "ERROR_TOO_MANY_REDIRECTS";
            break;
        case DownloadManager.ERROR_UNHANDLED_HTTP_CODE:
            failedReason = "ERROR_UNHANDLED_HTTP_CODE";
            break;
        case DownloadManager.ERROR_UNKNOWN:
            failedReason = "ERROR_UNKNOWN";
            break;
        case HttpURLConnection.HTTP_BAD_REQUEST:
            failedReason = "BAD_REQUEST";
            break;
        case HttpURLConnection.HTTP_UNAUTHORIZED:
            failedReason = "UNAUTHORIZED";
            break;
        case HttpURLConnection.HTTP_FORBIDDEN:
            failedReason = "FORBIDDEN";
            break;
        case HttpURLConnection.HTTP_NOT_FOUND:
            failedReason = "NOT_FOUND";
            break;
        case HttpURLConnection.HTTP_INTERNAL_ERROR:
            failedReason = "INTERNAL_SERVER_ERROR";
            break;
        case ERROR_CANCELED:
            failedReason = "CANCELED";
            break;
    }

    return failedReason;
}
 

/**
 * List of errors which this method should handle:
 * <p/>
 * 400 Bad Request
 * 401 Unauthorized (user password has changed)
 * 403 Forbidden (access denied)
 * 404 Not found (object was already removed for example)
 * 405 Method not allowed (wrong HTTP request method)
 * 408 Request Time Out (too slow internet connection, long processing time, etc)
 * 409 Conflict (you are trying to treat some resource as another.
 * For example to create interpretation for map through chart URI)
 * 500 Internal server error (for example NullPointerException)
 * 501 Not implemented (no such method or resource)
 * 502 Bad Gateway (can be retried later)
 * 503 Service unavailable (can be temporary issue)
 * 504 Gateway Timeout (we need to retry request later)
 */
public static void handleApiException(APIException apiException, BaseModel model) throws APIException {
    switch (apiException.getKind()) {
        case HTTP: {
            switch (apiException.getResponse().getStatus()) {
                case HttpURLConnection.HTTP_BAD_REQUEST: {
                    // TODO Implement mechanism for handling HTTP errors (allow user to resolve it).
                    break;
                }
                case HttpURLConnection.HTTP_UNAUTHORIZED: {
                    // if the user password has changed, none of other network
                    // requests won't pass. So we need to stop synchronization.
                    throw apiException;
                }
                case HttpURLConnection.HTTP_FORBIDDEN: {
                    // TODO Implement mechanism for handling HTTP errors (allow user to resolve it).
                    // User does not has access to given resource anymore.
                    // We need to handle this in a special way
                    break;
                }
                case HttpURLConnection.HTTP_NOT_FOUND: {
                    // The given resource does not exist on the server anymore.
                    // Remove it locally.
                    if (model != null) {
                        model.delete();
                    }
                    break;
                }
                case HttpURLConnection.HTTP_CONFLICT: {
                    // TODO Implement mechanism for handling HTTP errors (allow user to resolve it).
                    // Trying to access wrong resource.
                    break;
                }
                case HttpURLConnection.HTTP_INTERNAL_ERROR: {
                    // TODO Implement mechanism for handling HTTP errors (allow user to resolve it).
                    break;
                }
                case HttpURLConnection.HTTP_NOT_IMPLEMENTED: {
                    // TODO Implement mechanism for handling HTTP errors (allow user to resolve it).
                    break;
                }
            }

            break;
        }
        case NETWORK: {
            // Retry later.
            break;
        }
        case CONVERSION:
        case UNEXPECTED: {
            // TODO Implement mechanism for handling HTTP errors (allow user to resolve it).
            // implement possibility to show error status. In most cases, this types of errors
            // won't be resolved automatically.

            // for now, just rethrow exception.
            throw apiException;
        }
    }
}
 

/**
 * Delete partitions for the given view.
 *
 * @param catalogName  catalog name
 * @param databaseName database name
 * @param tableName    table name
 * @param viewName     metacat view name
 * @param partitionIds list of partition names
 */
@RequestMapping(
    method = RequestMethod.DELETE,
    path = "/catalog/{catalog-name}/database/{database-name}/table/{table-name}/mview/{view-name}",
    consumes = MediaType.APPLICATION_JSON_VALUE
)
@ResponseStatus(HttpStatus.NO_CONTENT)
@ApiOperation(
    value = "Delete partitions for the given view",
    notes = "Delete partitions for the given view"
)
@ApiResponses(
    {
        @ApiResponse(
            code = HttpURLConnection.HTTP_OK,
            message = "The partitions were deleted successfully"
        ),
        @ApiResponse(
            code = HttpURLConnection.HTTP_NOT_FOUND,
            message = "The requested catalog or database or metacat view cannot be located"
        ),
        @ApiResponse(
            code = HttpURLConnection.HTTP_BAD_REQUEST,
            message = "The list of partitionNames is not present"
        )
    }
)
public void deletePartitions(
    @ApiParam(value = "The name of the catalog", required = true)
    @PathVariable("catalog-name") final String catalogName,
    @ApiParam(value = "The name of the database", required = true)
    @PathVariable("database-name") final String databaseName,
    @ApiParam(value = "The name of the table", required = true)
    @PathVariable("table-name") final String tableName,
    @ApiParam(value = "The name of the metacat view", required = true)
    @PathVariable("view-name") final String viewName,
    @ApiParam(value = "partitionId of the partitions to be deleted from this table", required = true)
    @RequestBody final List<String> partitionIds
) {
    final QualifiedName name = this.requestWrapper.qualifyName(
        () -> QualifiedName.ofView(catalogName, databaseName, tableName, viewName)
    );
    this.requestWrapper.processRequest(
        name,
        "deleteMViewPartition",
        () -> {
            if (partitionIds.isEmpty()) {
                throw new IllegalArgumentException("partitionIds are required");
            }
            this.mViewService.deletePartitions(name, partitionIds);
            return null;
        }
    );
}
 

/**
 * Constructor.
 *
 * @param msg human readable message
 */
public GenieBadRequestException(final String msg) {
    super(HttpURLConnection.HTTP_BAD_REQUEST, msg);
}