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19
20 package org.apache.james.userrepository;
21
22 import org.apache.james.services.User;
23
24 import java.sql.PreparedStatement;
25 import java.sql.ResultSet;
26 import java.sql.SQLException;
27
28 /***
29 * A very lightweight UserRepository, which persists a list
30 * of user names in a database. Password information is not
31 * persisted.
32 *
33 */
34 public class ListUsersJdbcRepository extends AbstractJdbcUsersRepository
35 {
36 /***
37 * Reads properties for a User from an open ResultSet.
38 *
39 * @param rsUsers A ResultSet with a User record in the current row.
40 * @return A User instance
41 * @throws SQLException
42 * if an exception occurs reading from the ResultSet
43 */
44 protected User readUserFromResultSet(ResultSet rsUsers) throws SQLException {
45
46 String username = rsUsers.getString(1);
47 DefaultUser user = new DefaultUser(username, "SHA");
48 return user;
49 }
50
51 /***
52 * Set parameters of a PreparedStatement object with
53 * property values from a User instance.
54 * @param user a User instance, which should be an implementation class which
55 * is handled by this Repostory implementation.
56 * @param userInsert a PreparedStatement initialised with SQL taken from the "insert" SQL definition.
57 * @throws SQLException
58 * if an exception occurs while setting parameter values.
59 */
60 protected void setUserForInsertStatement(User user,
61 PreparedStatement userInsert)
62 throws SQLException {
63 userInsert.setString(1, user.getUserName());
64 }
65
66 /***
67 * Set parameters of a PreparedStatement object with
68 * property values from a User instance.
69 *
70 * @param user a User instance, which should be an implementation class which
71 * is handled by this Repostory implementation.
72 * @param userUpdate a PreparedStatement initialised with SQL taken from the "update" SQL definition.
73 * @throws SQLException
74 * if an exception occurs while setting parameter values.
75 */
76 protected void setUserForUpdateStatement(User user,
77 PreparedStatement userUpdate)
78 throws SQLException {
79 throw new UnsupportedOperationException("Can't update a List User - " +
80 "only has a single attribute.");
81 }
82
83 /***
84 * @see org.apache.james.services.UsersRepository#addUser(java.lang.String, java.lang.String)
85 */
86 public boolean addUser(String username, String password) {
87 User newbie = new DefaultUser(username, "SHA");
88 newbie.setPassword(password);
89 return addUser(newbie);
90 }
91
92
93 }