/**
* Gets a user's information and creates the User instance base on its ID<br>
* If there this user has been logged in, and still stored in the user pool, just return the exact
* same user
*
* @param UID The user's ID
* @param load Whether being allowed to load from database
* @return The created instance, or <tt>Null</tt> if
* <ul>
* <li>load is <tt>false</tt> and this user isn't cached
* <li>the user isn't found
* </ul>
*
* @throws SQLException If there are some thing wrong with the database
*/
public static User getUser(int UID, boolean load) throws SQLException {
synchronized (userPool) {
if (userPool.containsKey(UID)) return userPool.get(UID);
else if (!load) return null;
ResultSet resultSet;
synchronized (userByID) {
userByID.setInt(1, UID);
resultSet = userByID.executeQuery();
}
if (!resultSet.first()) return null;
User newUser =
new User(
UID,
resultSet.getString(2),
AccessLevel.valueOf(resultSet.getInt(4)),
resultSet.getInt(5));
userPool.put(UID, newUser);
return newUser;
}
}
/**
* Get the AccessLevel object based on its value
*
* @param level The value of this level
* @return The AccessLevel object, or <em>null</em> if their are no level matches this value
*/
public static AccessLevel valueOf(int level) {
for (AccessLevel al : AccessLevel.values()) if (al.value == level) return al;
return null;
}
