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Java > Open Source Codes > org > apache > commons > configuration > test > HsqlDB


1 package org.apache.commons.configuration.test;
2
3 /*
4  * Copyright 2001-2004 The Apache Software Foundation.
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License")
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18
19 import java.io.FileReader JavaDoc;
20
21 import java.sql.Connection JavaDoc;
22 import java.sql.DriverManager JavaDoc;
23 import java.sql.SQLException JavaDoc;
24 import java.sql.Statement JavaDoc;
25
26 import org.apache.commons.lang.StringUtils;
27 import org.apache.commons.logging.Log;
28 import org.apache.commons.logging.LogFactory;
29
30 /**
31  * Stolen from Turbine
32  *
33  * @author <a HREF="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
34  * @version $Id: HsqlDB.java 155408 2005-02-26 12:56:39Z dirkv $
35  */
36
37 public class HsqlDB
38 {
39     private Connection JavaDoc connection = null;
40     private static Log log = LogFactory.getLog(HsqlDB.class);
41
42     public HsqlDB(String JavaDoc uri, String JavaDoc databaseDriver, String JavaDoc loadFile)
43             throws Exception JavaDoc
44     {
45         Class.forName(databaseDriver);
46
47         this.connection = DriverManager.getConnection(uri, "sa", "");
48
49             if (StringUtils.isNotEmpty(loadFile))
50             {
51                 loadSqlFile(loadFile);
52             }
53         this.connection.commit();
54     }
55
56     public Connection JavaDoc getConnection()
57     {
58         return connection;
59     }
60
61     public void close()
62     {
63         try
64         {
65             connection.close();
66         }
67         catch (Exception JavaDoc e)
68         {
69         }
70     }
71
72     private void loadSqlFile(String JavaDoc fileName)
73             throws Exception JavaDoc
74     {
75         Statement JavaDoc statement = null;
76         try
77         {
78             statement = connection.createStatement();
79             String JavaDoc commands = getFileContents(fileName);
80
81             for (int targetPos = commands.indexOf(';'); targetPos > -1; targetPos = commands.indexOf(';'))
82             {
83                 String JavaDoc cmd = commands.substring(0, targetPos + 1);
84                 try
85                 {
86                     statement.execute(cmd);
87                 }
88                 catch (SQLException JavaDoc sqle)
89                 {
90                     log.warn("Statement: " + cmd + ": " + sqle.getMessage());
91                 }
92                 
93                 commands = commands.substring(targetPos + 2);
94             }
95         }
96         finally
97         {
98             if (statement != null)
99             {
100                 statement.close();
101             }
102         }
103     }
104
105     private String JavaDoc getFileContents(String JavaDoc fileName)
106             throws Exception JavaDoc
107     {
108         FileReader JavaDoc fr = new FileReader JavaDoc(fileName);
109
110         char fileBuf[] = new char[1024];
111         StringBuffer JavaDoc sb = new StringBuffer JavaDoc(1000);
112         int res = -1;
113
114         while ((res = fr.read(fileBuf, 0, 1024)) > -1)
115         {
116             sb.append(fileBuf, 0, res);
117         }
118         fr.close();
119         return sb.toString();
120     }
121 }
122
123
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