Java ErrorCode类代码示例

import org.talend.daikon.exception.error.ErrorCode; //导入依赖的package包/类
@Test
public void testDeserialize() throws IOException {
    // check that the CodeError serialization can be deserialized into an JsonCodeError
    TalendRuntimeException talendRuntimeException = new TalendRuntimeException(CommonErrorCodes.MISSING_I18N_TRANSLATOR,
            ExceptionContext.build().put("key", "the key").put("baseName", "the baseName"));
    StringWriter writer = new StringWriter();
    talendRuntimeException.writeTo(writer);
    ObjectMapper objectMapper = new ObjectMapper();
    JsonErrorCode deserializedCode = objectMapper.reader(JsonErrorCode.class).readValue(writer.toString());
    ErrorCode expectedCode = talendRuntimeException.getCode();
    assertEquals(expectedCode.getCode(), deserializedCode.getCode());
    assertEquals(expectedCode.getGroup(), deserializedCode.getGroup());
    assertEquals(expectedCode.getProduct(), deserializedCode.getProduct());
    assertThat(expectedCode.getExpectedContextEntries(),
            containsInAnyOrder(deserializedCode.getExpectedContextEntries().toArray()));
    assertThat(talendRuntimeException.getContext().entries(),
            containsInAnyOrder(deserializedCode.getContext().entrySet().toArray()));
}
 

import org.talend.daikon.exception.error.ErrorCode; //导入依赖的package包/类
@Bean
public Converter<String, ErrorCode> errorCodeConverter() {
    // Don't convert to lambda -> cause issue for Spring to infer source and target types.
    return new Converter<String, ErrorCode>() {
        @Override
        public ErrorCode convert(String source) {
            ObjectMapper mapper = new ObjectMapper();
            try {
                return mapper.readerFor(JsonErrorCode.class).readValue(source);
            } catch (Exception e) {
                LOGGER.trace("Unable to read error code from '{}'", source, e);

                // Build a JSON error code out of "source" (mostly likely a error code as string).
                final ErrorCodeDto errorCodeDto = new ErrorCodeDto();
                errorCodeDto.setCode(source);
                errorCodeDto.setHttpStatus(CommonErrorCodes.UNEXPECTED_EXCEPTION.getHttpStatus());
                errorCodeDto.setGroup(CommonErrorCodes.UNEXPECTED_EXCEPTION.getGroup());
                errorCodeDto.setProduct(CommonErrorCodes.UNEXPECTED_EXCEPTION.getProduct());
                return errorCodeDto;
            }
        }
    };
}
 

import org.talend.daikon.exception.error.ErrorCode; //导入依赖的package包/类
/**
 * @param code the error code, uniquely describing the error condition that occurred.
 * @param cause the root cause of this error.
 * @param context the context of the error when it occurred (used to detail the user error message in frontend).
 */
public TalendRuntimeException(ErrorCode code, Throwable cause, ExceptionContext context) {
    super(code.getCode() + (context != null ? ":" + context.toString() : ""), cause); //$NON-NLS-1$ //$NON-NLS-2$
    this.code = code;
    this.cause = cause;
    this.context = (context == null ? ExceptionContext.build() : context);
    checkContext();

}
 

import org.talend.daikon.exception.error.ErrorCode; //导入依赖的package包/类
private static ResponseEntity<ApiError> buildUnexpectedErrorResponse(ErrorCode code, String message, Throwable cause) {
    ApiError dto = new ApiError();
    dto.setCode(code.getProduct() + "_" + code.getGroup() + "_" + code.getCode());
    dto.setMessage(message);
    dto.setMessageTitle("An unexpected error occurred");
    dto.setCause(cause == null ? null : cause.getMessage());
    return new ResponseEntity<>(dto, HttpStatus.valueOf(code.getHttpStatus()));
}
 

import org.talend.daikon.exception.error.ErrorCode; //导入依赖的package包/类
/**
 * If the exception is a TDPException, rethrow it, else wrap it and then throw it.
 *
 * @param throwable The throwable to rethrow or wrap in a TDPException.
 * @param errorCode The Error code to use when you wrap the throwable.
 */
public static RuntimeException rethrowOrWrap(Throwable throwable, ErrorCode errorCode) {
    if (throwable instanceof TDPException) {
        throw (TDPException) throwable;
    } else if (throwable instanceof HystrixRuntimeException) {
        throw TDPExceptionUtils.processHystrixException((HystrixRuntimeException) throwable);
    } else if (throwable.getCause() instanceof TDPException) {
        throw (TDPException) (throwable.getCause());
    } else {
        throw new TDPException(errorCode, throwable);
    }
}
 

import org.talend.daikon.exception.error.ErrorCode; //导入依赖的package包/类
/**
 * Build a Talend exception with no i18n handling internally. It is useful when the goal is to just pass an exception in a
 * component
 * that does not have access to the exception bundle.
 */
public TDPException(ErrorCode code, Throwable cause, String message, String messageTitle, ExceptionContext context) {
    super(code, cause, context);
    this.message = message;
    this.messageTitle = messageTitle;

    // Translation done at the object creation
    List<Object> values = getValuesFromContext(context);
    this.localizedMessage = ErrorMessage.getMessage(getCode(), values.toArray(new Object[values.size()]));
}
 

import org.talend.daikon.exception.error.ErrorCode; //导入依赖的package包/类
private static TdpExceptionDto toExceptionDto(TalendRuntimeException internal) {
    ErrorCode errorCode = internal.getCode();
    String serializedCode = errorCode.getProduct() + '_' + errorCode.getGroup() + '_' + errorCode.getCode();
    String defaultMessage = internal.getMessage();
    String message = internal.getLocalizedMessage();
    String messageTitle = internal instanceof TDPException ? ((TDPException) internal).getMessageTitle() : null;
    TdpExceptionDto cause =
            internal.getCause() instanceof TDPException ? toExceptionDto((TDPException) internal.getCause()) : null;
    Map<String, Object> context = new HashMap<>();
    for (Map.Entry<String, Object> contextEntry : internal.getContext().entries()) {
        context.put(contextEntry.getKey(), contextEntry.getValue());
    }
    return new TdpExceptionDto(serializedCode, cause, defaultMessage, message, messageTitle, context);
}
 

import org.talend.daikon.exception.error.ErrorCode; //导入依赖的package包/类
/**
 * Returns the prefix message according to the specified error code.
 *
 * @param errorCode the specified error code
 * @return the prefix message according to the specified error code
 */
private static String getMessagePrefix(ErrorCode errorCode) {
    switch (errorCode.getHttpStatus()) {
    case 0:
        return "SERVICE_UNAVAILABLE";
    case 500:
        return "GENERIC_ERROR";
    default:
        String code = errorCode.getCode();
        return StringUtils.isNotEmpty(code) ? code : "GENERIC_ERROR";
    }
}
 

import org.talend.daikon.exception.error.ErrorCode; //导入依赖的package包/类
/**
 * Copy constructor.
 * 
 * @param copy the error code to copy.
 */
public JsonErrorCodeDescription(ErrorCode copy) {
    this.product = copy.getProduct();
    this.group = copy.getGroup();
    this.code = copy.getCode();
    this.httpStatus = copy.getHttpStatus();
    this.expectedContextEntries = copy.getExpectedContextEntries();
}
 

import org.talend.daikon.exception.error.ErrorCode; //导入依赖的package包/类
/**
 * Returns the prefix message according to the specified error code.
 *
 * @param errorCode the specified error code
 * @return the prefix message according to the specified error code
 */
private static String getMessagePrefix(ErrorCode errorCode) {
    switch (errorCode.getHttpStatus()) {
    case 0:
        return "SERVICE_UNAVAILABLE";
    case 500:
        return "GENERIC_ERROR";
    default:
        String code = errorCode.getCode();
        return StringUtils.isNotBlank(code) ? code : "GENERIC_ERROR";
    }
}
 

import org.talend.daikon.exception.error.ErrorCode; //导入依赖的package包/类
@Test
public void shouldReturnRightErrorMessageWhenHttpStatusIsZero() {
    // given
    ErrorCode errorCode = new ErrorCode() {

        @Override
        public String getProduct() {
            return "TDP";
        }

        @Override
        public String getGroup() {
            return "API";
        }

        @Override
        public int getHttpStatus() {
            return 0;
        }

        @Override
        public Collection<String> getExpectedContextEntries() {
            return Collections.emptyList();
        }

        @Override
        public String getCode() {
            return null;
        }
    };
    TDPException exception = new TDPException(errorCode, null, null);

    // then
    assertEquals(errorCode, exception.getCode());
    assertEquals("Service unavailable", exception.getMessage());
    assertEquals("An error has occurred", exception.getMessageTitle());
    assertFalse(exception.getContext().entries().iterator().hasNext());
}
 

import org.talend.daikon.exception.error.ErrorCode; //导入依赖的package包/类
@Test
public void shouldReturnRightErrorMessageWhenHttpStatusIs500() {
    // given
    ErrorCode errorCode = new ErrorCode() {

        @Override
        public String getProduct() {
            return "TDP";
        }

        @Override
        public String getGroup() {
            return "API";
        }

        @Override
        public int getHttpStatus() {
            return 500;
        }

        @Override
        public Collection<String> getExpectedContextEntries() {
            return Collections.emptyList();
        }

        @Override
        public String getCode() {
            return null;
        }
    };
    TDPException exception = new TDPException(errorCode, null, null);

    // then
    assertEquals(errorCode, exception.getCode());
    assertEquals("An unexpected error occurred and we could not complete your last operation. You can continue to use Data Preparation", exception.getMessage());
    assertEquals("An error has occurred", exception.getMessageTitle());
    assertFalse(exception.getContext().entries().iterator().hasNext());

}
 

import org.talend.daikon.exception.error.ErrorCode; //导入依赖的package包/类
@Test
public void shouldReturnRightErrorMessageWhenUnsupportedContentThrown() {
    // given
    ErrorCode errorCode = UNSUPPORTED_CONTENT;

    // when
    TDPException exception = new TDPException(errorCode, null, null);

    // then
    assertEquals(errorCode, exception.getCode());
    assertEquals("Unable to create dataset, content is not supported. Try with a csv or xls file!", exception.getMessage());
    assertEquals("Unsupported content", exception.getMessageTitle());
    assertFalse(exception.getContext().entries().iterator().hasNext());
}
 

import org.talend.daikon.exception.error.ErrorCode; //导入依赖的package包/类
@Test
public void shouldReturnRightErrorMessageWhenDatasetStillInUseThrown() {
    // given
    ErrorCode errorCode = DATASET_STILL_IN_USE;

    // when
    TDPException exception = new TDPException(errorCode, null, null);

    // then
    assertEquals(errorCode, exception.getCode());
    assertEquals("You cannot delete the dataset, it is being used by preparation(s)", exception.getMessage());
    assertEquals("Deletion forbidden", exception.getMessageTitle());
    assertFalse(exception.getContext().entries().iterator().hasNext());

}
 

import org.talend.daikon.exception.error.ErrorCode; //导入依赖的package包/类
@Test
public void shouldReturnRightErrorMessageWhenPreparationStepCannotBeDeletedInSingleModeThrown() {
    // given
    ErrorCode errorCode = PREPARATION_STEP_CANNOT_BE_DELETED_IN_SINGLE_MODE;

    // when
    TDPException exception = new TDPException(errorCode, null, null);

    // then
    assertEquals(errorCode, exception.getCode());
    assertEquals("This action cannot be deleted because subsequent actions depend on it", exception.getMessage());
    assertEquals("Delete action not authorized", exception.getMessageTitle());
    assertFalse(exception.getContext().entries().iterator().hasNext());
}