JDBCClient


1   /*
2    *
3    * Derby - Class JDBCClient
4    *
5    * Licensed to the Apache Software Foundation (ASF) under one or more
6    * contributor license agreements.  See the NOTICE file distributed with
7    * this work for additional information regarding copyright ownership.
8    * The ASF licenses this file to You under the Apache License, Version 2.0
9    * (the "License"); you may not use this file except in compliance with
10   * the License.  You may obtain a copy of the License at
11   *
12   *    http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, 
15   * software distributed under the License is distributed on an 
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
17   * either express or implied. See the License for the specific 
18   * language governing permissions and limitations under the License.
19   */
20  package org.apache.derbyTesting.junit;
21  
22  /**
23   * Type-safe enumerator of valid JDBC clients.
24   * Each JDBC client definition consists of the client name, the name of the
25   * JDBC driver class, the name of a DataSource class and the base JDBC url.
26   */
27  public final class JDBCClient {
28  
29      /**
30       * The embedded JDBC client.
31       */
32      static final JDBCClient EMBEDDED = new JDBCClient(
33              "Embedded", 
34              "org.apache.derby.jdbc.EmbeddedDriver", 
35              "org.apache.derby.jdbc.EmbeddedDataSource", 
36              "jdbc:derby:");
37      
38      /**
39       * The Derby network client.
40       */
41      static final JDBCClient DERBYNETCLIENT= new JDBCClient(
42              "DerbyNetClient",
43              "org.apache.derby.jdbc.ClientDriver",
44              "org.apache.derby.jdbc.ClientDataSource",
45              "jdbc:derby://");
46      
47      /**
48       * The DB2 Universal JDBC network client.
49       * AKA: JCC or DerbyNet.
50       * (the "old net" client for Derby).
51       */
52      static final JDBCClient DB2CLIENT= new JDBCClient(
53              "DerbyNet",
54              "com.ibm.db2.jcc.DB2Driver",
55              null,
56              "jdbc:derby:net://");
57      
58      /**
59       * Is this the embdded client.
60      */
61      public boolean isEmbedded()
62      {
63          return getName().equals(EMBEDDED.getName());
64      }
65      /**
66       * Is this Derby's network client.
67       * @return
68       */
69      public boolean isDerbyNetClient()
70      {
71          return getName().equals(DERBYNETCLIENT.getName());
72      }
73      /**
74       * Is this DB2's Universal JDBC 
75       * @return
76       */
77      public boolean isDB2Client()
78      {
79          return getName().equals(DB2CLIENT.getName());
80      }
81      
82      /**
83       * Get the name of the client
84       */
85      public String   getName()
86      {
87          return frameWork;
88      }
89      
90      /**
91       * Get JDBC driver class name.
92       * 
93       * @return class name for JDBC driver.
94       */
95      public String   getJDBCDriverName() {
96          return driverClassName;
97      }
98  
99      /**
100      * Get DataSource class name.
101      * 
102      * @return class name for DataSource implementation.
103      */
104     public String   getDataSourceClassName() {
105         return dsClassName;
106     }
107 
108     /**
109      * Return the base JDBC url.
110      * The JDBC base url specifies the protocol and possibly the subprotcol
111      * in the JDBC connection string.
112      * 
113      * @return JDBC base url.
114      */
115     public String   getUrlBase() {
116         return urlBase;
117     }
118     
119     /**
120      * Return string representation of this object.
121      * 
122      * @return string representation of this object.
123      */
124     public String   toString() {
125         return frameWork;
126     }
127     
128     /**
129      * Create a JDBC client definition.
130      */
131     private JDBCClient(String   frameWork, String   driverClassName,
132                        String   dataSourceClassName, String   urlBase) {
133         this.frameWork          = frameWork;
134         this.driverClassName    = driverClassName;
135         this.dsClassName        = dataSourceClassName;
136         this.urlBase            = urlBase;
137     }
138     
139     private final String   frameWork;
140     private final String   driverClassName;
141     private final String   dsClassName;
142     private final String   urlBase;
143     
144 }
145
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