/*

  * Created on Feb 22, 2005

  *

  * @author Alan Krempler

  */

 package isac.util.usersettings;

 import java.io.Serializable;

 import java.util.HashMap;

 /**

  * Class for storing/retrieving user settings, i.e. settings which can be set

  * manually by the user as opposed to the

  * {@link isac.util.usersettings.UserModel#}, which is an abstraction of the

  * system's expeience with a user and canot be altered manually. As there is no

  * fixed set of user settings, you can regard this class as a simple storage

  * backend for key/value pairs.

  * 

  * @author Alan Krempler

  *  

  */

 public class UserSettings implements Serializable {

     private HashMap storage_;

     UserSettings() {

         storage_ = new HashMap();

     }

     /**

      * @param key

      *            A string key

      * @return The string value associated with the key parameter; null, if

      *         nothing is stored under this key

      */

     public String getValue(String key) {

         return (String) storage_.get(key);

     }

     /**

      * @param key

      *            The key under which "value" is to be stored. Existing data

      *            unde the same key will be replaced.

      * @param value

      *            The value to be stored under "key"

      * @return true in case of success, false in case of error, for example if

      *         trying to replace stored values without proper permissions

      */

     public boolean setValue(String key, String value) {

         storage_.put(key, value);

         return true;

     }

 }