1   /**
2    * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.tools.sql;
24  
25  import com.liferay.portal.kernel.util.FileUtil;
26  import com.liferay.portal.kernel.util.StringUtil;
27  
28  import java.io.BufferedReader;
29  import java.io.File;
30  import java.io.IOException;
31  import java.io.StringReader;
32  
33  /**
34   * <a href="DerbyUtil.java.html"><b><i>View Source</i></b></a>
35   *
36   * @author Alexander Chow
37   * @author Sandeep Soni
38   * @author Ganesh Ram
39   *
40   */
41  public class DerbyUtil extends DBUtil {
42  
43      public static DBUtil getInstance() {
44          return _instance;
45      }
46  
47      public String buildSQL(String template) throws IOException {
48          template = convertTimestamp(template);
49          template = replaceTemplate(template, getTemplate());
50  
51          template = reword(template );
52          //template = _removeLongInserts(derby);
53          template = removeNull(template);
54          template = StringUtil.replace(template , "\\'", "''");
55  
56          return template;
57      }
58  
59      protected DerbyUtil() {
60          super(DB_TYPE_DERBY);
61      }
62  
63      protected void buildCreateFile(String databaseName, boolean minimal)
64          throws IOException {
65  
66          String minimalSuffix = getMinimalSuffix(minimal);
67  
68          File file = new File(
69              "../sql/create" + minimalSuffix + "/create" + minimalSuffix +
70                  "-derby.sql");
71  
72          StringBuilder sb = new StringBuilder();
73  
74          sb.append("drop database " + databaseName + ";\n");
75          sb.append("create database " + databaseName + ";\n");
76          sb.append("connect to " + databaseName + ";\n");
77          sb.append(
78              FileUtil.read(
79                  "../sql/portal" + minimalSuffix + "/portal" + minimalSuffix +
80                      "-derby.sql"));
81          sb.append("\n\n");
82          sb.append(FileUtil.read("../sql/indexes/indexes-derby.sql"));
83          sb.append("\n\n");
84          sb.append(FileUtil.read("../sql/sequences/sequences-derby.sql"));
85  
86          FileUtil.write(file, sb.toString());
87      }
88  
89      protected String getServerName() {
90          return "derby";
91      }
92  
93      protected String[] getTemplate() {
94          return _DERBY;
95      }
96  
97      protected String reword(String data) throws IOException {
98          BufferedReader br = new BufferedReader(new StringReader(data));
99  
100         StringBuilder sb = new StringBuilder();
101 
102         String line = null;
103 
104         while ((line = br.readLine()) != null) {
105             if (line.startsWith(ALTER_COLUMN_TYPE) ||
106                 line.startsWith(ALTER_COLUMN_NAME)) {
107 
108                 line = "-- " + line;
109             }
110 
111             sb.append(line);
112             sb.append("\n");
113         }
114 
115         br.close();
116 
117         return sb.toString();
118     }
119 
120     private static String[] _DERBY = {
121         "--", "1", "0",
122         "'1970-01-01-00.00.00.000000'", "current timestamp",
123         " blob", " smallint", " timestamp",
124         " double", " integer", " bigint",
125         " long varchar", " clob", " varchar",
126         " generated always as identity", "commit"
127     };
128 
129     private static DerbyUtil _instance = new DerbyUtil();
130 
131 }