CredentialsValidator (The Adobe Experience Manager SDK 2021.8.5705.20210810T082946Z-210700)

```
@ConsumerType
public interface CredentialsValidator
```
This interface is intended to be implemented by an application which wants to customize the validation of the users based on their credential.

A CredentialsValidator is passed to Provider providers if Provider.getId() equals getId() or getId() is equals to ALL_ID-

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`ALL_ID`	Id used to register a validator to all providers
`static String`	`FAILED_VALIDATION_REASON`	Credentials Attribute Id used to store the reason why it is not considered valid

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`getId()`	Provider identifier used to map this credential validator to it.
`boolean`	`validate(AbstractCredentials credentials)`	Check the validity of a user credential.

- Field Detail
  - ALL_ID
```
static final String ALL_ID
```
    Id used to register a validator to all providers
    
    See Also:
    
    Constant Field Values
  - FAILED_VALIDATION_REASON
```
static final String FAILED_VALIDATION_REASON
```
    Credentials Attribute Id used to store the reason why it is not considered valid
- Method Detail
  - validate
```
boolean validate(AbstractCredentials credentials)
          throws LoginException
```
    Check the validity of a user credential. If the user credential is not valid, an optional credential attribute is stored with key @{code
    
    Parameters:
    
    credentials - the non null credential
    
    Returns:
    
    true if the credential is valid ; false otherwise
    
    Throws:
    
    LoginException - if the user could not be authenticated
  - getId
```
String getId()
```
    Provider identifier used to map this credential validator to it.
    
    Returns:
    
    the provider identifier to map this credentials validator to it or ALL_ID if applies to every provider.