View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.dbcp2.datasources;
18  
19  import java.io.Serializable;
20  import java.util.Objects;
21  
22  import org.apache.commons.pool2.KeyedObjectPool;
23  
24  /**
25   * <p>
26   * Holds a user name and password pair. Serves as a poolable object key for the {@link KeyedObjectPool} backing a
27   * {@link SharedPoolDataSource}. Two instances with the same user name are considered equal. This ensures that there
28   * will be only one keyed pool for each user in the pool. The password is used (along with the user name) by the
29   * {@code KeyedCPDSConnectionFactory} when creating new connections.
30   * </p>
31   *
32   * <p>
33   * {@link InstanceKeyDataSource#getConnection(String, String)} validates that the password used to create a connection
34   * matches the password provided by the client.
35   * </p>
36   *
37   * @since 2.0
38   */
39  final class UserPassKey implements Serializable {
40      private static final long serialVersionUID = 5142970911626584817L;
41  
42      private final CharArray name;
43      private final CharArray password;
44  
45      UserPassKey(final CharArray userName, final CharArray userPassword) {
46          this.name = userName;
47          this.password = userPassword;
48      }
49  
50      UserPassKey(final String userName) {
51          this(new CharArray(userName), CharArray.NULL);
52      }
53  
54      UserPassKey(final String userName, final char[] password) {
55          this(new CharArray(userName), new CharArray(password));
56      }
57  
58      UserPassKey(final String userName, final String userPassword) {
59          this(new CharArray(userName), new CharArray(userPassword));
60      }
61  
62      /**
63       * Only takes the user name into account.
64       */
65      @Override
66      public boolean equals(final Object obj) {
67          if (this == obj) {
68              return true;
69          }
70          if (obj == null) {
71              return false;
72          }
73          if (getClass() != obj.getClass()) {
74              return false;
75          }
76          final UserPassKey other = (UserPassKey) obj;
77          return Objects.equals(name, other.name);
78      }
79  
80      /**
81       * Gets the value of password.
82       *
83       * @return value of password.
84       */
85      String getPassword() {
86          return password.asString();
87      }
88  
89      /**
90       * Gets the value of password.
91       *
92       * @return value of password.
93       */
94      char[] getPasswordCharArray() {
95          return password.get();
96      }
97  
98      /**
99       * Gets the value of user name.
100      *
101      * @return value of user name.
102      */
103     String getUserName() {
104         return name.asString();
105     }
106 
107     /**
108      * Only takes the user name into account.
109      */
110     @Override
111     public int hashCode() {
112         return Objects.hash(name);
113     }
114 
115 }