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="MySQLUtil.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 MySQLUtil 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 = StringUtil.replace(template, "\\'", "''");
53  
54          return template;
55      }
56  
57      protected MySQLUtil() {
58      }
59  
60      protected void buildCreateFile(String databaseName, boolean minimal)
61          throws IOException {
62  
63          String minimalSuffix = getMinimalSuffix(minimal);
64  
65          File file = new File(
66              "../sql/create" + minimalSuffix + "/create" + minimalSuffix +
67                  "-mysql.sql");
68  
69          StringBuilder sb = new StringBuilder();
70  
71          sb.append("drop database if exists " + databaseName + ";\n");
72          sb.append("create database " + databaseName + " character set utf8;\n");
73          sb.append("use ");
74          sb.append(databaseName);
75          sb.append(";\n\n");
76          sb.append(
77              FileUtil.read(
78                  "../sql/portal" + minimalSuffix + "/portal" + minimalSuffix +
79                      "-mysql.sql"));
80          sb.append("\n\n");
81          sb.append(FileUtil.read("../sql/indexes/indexes-mysql.sql"));
82          sb.append("\n\n");
83          sb.append(FileUtil.read("../sql/sequences/sequences-mysql.sql"));
84  
85          FileUtil.write(file, sb.toString());
86      }
87  
88      protected String getServerName() {
89          return "mysql";
90      }
91  
92      protected String[] getTemplate() {
93          return _MYSQL;
94      }
95  
96      protected String reword(String data) throws IOException {
97          BufferedReader br = new BufferedReader(new StringReader(data));
98  
99          StringBuilder sb = new StringBuilder();
100 
101         String line = null;
102 
103         while ((line = br.readLine()) != null) {
104             if (line.startsWith(ALTER_COLUMN_TYPE)) {
105                 String[] template = buildColumnTypeTokens(line);
106 
107                 line = StringUtil.replace(
108                     "alter table @table@ modify @old-column@ @type@;",
109                     REWORD_TEMPLATE, template);
110             }
111             else if (line.startsWith(ALTER_COLUMN_NAME)) {
112                 String[] template = buildColumnNameTokens(line);
113 
114                 line = StringUtil.replace(
115                     "alter table @table@ change column @old-column@ " +
116                         "@new-column@ @type@;",
117                     REWORD_TEMPLATE, template);
118             }
119 
120             sb.append(line);
121             sb.append("\n");
122         }
123 
124         br.close();
125 
126         return sb.toString();
127     }
128 
129     private static String[] _MYSQL = {
130         "##", "1", "0",
131         "'1970-01-01'", "now()",
132         " blob", " tinyint", " datetime",
133         " double", " integer", " bigint",
134         " longtext", " longtext", " varchar",
135         "  auto_increment", "commit"
136     };
137 
138     private static MySQLUtil _instance = new MySQLUtil();
139 
140 }