Class PasswdUserDatabase

java/org/apache/catalina/startup/PasswdUserDatabase.java:34–109

Concrete implementation of the UserDatabase interface that processes the /etc/passwd file on a Unix system.

 * on a Unix system.
 */
public final class PasswdUserDatabase implements UserDatabase {

    private static final Log log = LogFactory.getLog(PasswdUserDatabase.class);
    private static final StringManager sm = StringManager.getManager(PasswdUserDatabase.class);


    /**
     * Construct a new {@code PasswdUserDatabase} instance.
     */
    public PasswdUserDatabase() {
        // NO-OP
    }

    /**
     * The pathname of the Unix password file.
     */
    private static final String PASSWORD_FILE = "/etc/passwd";


    /**
     * The set of home directories for all defined users, keyed by username.
     */
    private final Map<String,String> homes = new HashMap<>();


    /**
     * The UserConfig listener with which we are associated.
     */
    private UserConfig userConfig = null;


    @Override
    public UserConfig getUserConfig() {
        return userConfig;
    }


    @Override
    public void setUserConfig(UserConfig userConfig) {
        this.userConfig = userConfig;
        init();
    }


    @Override
    public String getHome(String user) {
        return homes.get(user);
    }


    @Override
    public Enumeration<String> getUsers() {
        return Collections.enumeration(homes.keySet());
    }


    /**
     * Initialize our set of users and home directories.