I_CmsLoginAction (OpenCms Core API, version 17.0)

```
public interface I_CmsLoginAction
```
Interface used to provide a protected login method.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`CmsObject`	`doLogin(java.lang.String principal)`	Returns a cms object initialized for the passed principal.

- Method Detail
  - doLogin
```
CmsObject doLogin(java.lang.String principal)
```
    Returns a cms object initialized for the passed principal.
    
    Parameters:
    
    principal - the principal (i.e. name of a user)
    
    Returns:
    
    a cms object or null if the cms object could not be initialized.