ErrorMessage (vaadin-server 8.27.0 API)

All Superinterfaces:

Serializable

All Known Implementing Classes:

AbstractErrorMessage, CompositeErrorMessage, SystemError, UserError
```
public interface ErrorMessage
extends Serializable
```
Interface for rendering error messages to terminal. All the visible errors shown to user must implement this interface.

Since:

3.0

Author:

Vaadin Ltd.

Field Summary

Fields
Modifier and Type	Field	Description
`static ErrorLevel`	`CRITICAL`	Deprecated. As of 7.0, use `ErrorLevel.CRITICAL` instead
`static ErrorLevel`	`ERROR`	Deprecated. As of 7.0, use `ErrorLevel.ERROR` instead
`static ErrorLevel`	`INFORMATION`	Deprecated. As of 7.0, use `ErrorLevel.INFO` instead
`static ErrorLevel`	`SYSTEMERROR`	Deprecated. As of 7.0, use `ErrorLevel.SYSTEM` instead
`static ErrorLevel`	`WARNING`	Deprecated. As of 7.0, use `ErrorLevel.WARNING` instead

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`ErrorLevel`	`getErrorLevel()`	Gets the errors level.
`String`	`getFormattedHtmlMessage()`	Returns the HTML formatted message to show in as the error message on the client.

- Field Detail
  - SYSTEMERROR
```
@Deprecated
static final ErrorLevel SYSTEMERROR
```
    Deprecated.
    As of 7.0, use ErrorLevel.SYSTEM instead
  - CRITICAL
```
@Deprecated
static final ErrorLevel CRITICAL
```
    Deprecated.
    As of 7.0, use ErrorLevel.CRITICAL instead
  - ERROR
```
@Deprecated
static final ErrorLevel ERROR
```
    Deprecated.
    As of 7.0, use ErrorLevel.ERROR instead
  - WARNING
```
@Deprecated
static final ErrorLevel WARNING
```
    Deprecated.
    As of 7.0, use ErrorLevel.WARNING instead
  - INFORMATION
```
@Deprecated
static final ErrorLevel INFORMATION
```
    Deprecated.
    As of 7.0, use ErrorLevel.INFO instead
- Method Detail
  - getErrorLevel
```
ErrorLevel getErrorLevel()
```
    Gets the errors level.
    
    Returns:
    
    the level of error as an integer.
  - getFormattedHtmlMessage
```
String getFormattedHtmlMessage()
```
    Returns the HTML formatted message to show in as the error message on the client. This method should perform any necessary escaping to avoid XSS attacks. TODO this API may still change to use a separate data transfer object
    
    Returns:
    
    HTML formatted string for the error message
    
    Since:
    
    7.0