LMS

Manage user profile on the LMS

Add the following methods to the UserService into the UserHandler module

/**
* Get the profile of the user
* @param userName the name of the user (cannot be null)
* @return the profile which is a mapping key/value
*/
public Properties getProfile(String userName);

/**
* Add a property to the profile of the specified user
* @param userName the name of the user (cannot be null)
* @param key the key of the property (cannot be null)
* @param value the value of the property (cannot be null)
* @return true if successful
*/
public boolean addToProfile(String userName, String key, String value);

/**
* Remove a property from the profile of the specified user
* @param userName the name of the user (cannot be null)
* @param key the key of the property (cannot be null)
* @param value the value of the property (cannot be null)
* @return true if successful
*/
public boolean removeFromProfile(String userName, String key);