1   /**
2    * Copyright (c) 2000-2007 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.StringMaker;
26  import com.liferay.portal.kernel.util.StringUtil;
27  import com.liferay.util.FileUtil;
28  
29  import java.io.BufferedReader;
30  import java.io.File;
31  import java.io.IOException;
32  import java.io.StringReader;
33  
34  /**
35   * <a href="MySQLUtil.java.html"><b><i>View Source</i></b></a>
36   *
37   * @author Alexander Chow
38   *
39   */
40  public class MySQLUtil extends DBUtil {
41  
42      public static DBUtil getInstance() {
43          return _instance;
44      }
45  
46      public String buildSQL(String template) throws IOException {
47          template = convertTimestamp(template);
48          template = StringUtil.replace(template, TEMPLATE, getTemplate());
49  
50          template = reword(template);
51          template = StringUtil.replace(template, "\\'", "''");
52  
53          return template;
54      }
55  
56      protected MySQLUtil() {
57      }
58  
59      protected void buildCreateFile(String databaseName, boolean minimal)
60          throws IOException {
61  
62          String minimalSuffix = getMinimalSuffix(minimal);
63  
64          File file = new File(
65              "../sql/create" + minimalSuffix + "/create" + minimalSuffix +
66                  "-mysql.sql");
67  
68          StringMaker sm = new StringMaker();
69  
70          sm.append("drop database if exists " + databaseName + ";\n");
71          sm.append("create database " + databaseName + " character set utf8;\n");
72          sm.append("use ");
73          sm.append(databaseName);
74          sm.append(";\n\n");
75          sm.append(
76              FileUtil.read(
77                  "../sql/portal" + minimalSuffix + "/portal" + minimalSuffix +
78                      "-mysql.sql"));
79          sm.append("\n\n");
80          sm.append(FileUtil.read("../sql/indexes/indexes-mysql.sql"));
81          sm.append("\n\n");
82          sm.append(FileUtil.read("../sql/sequences/sequences-mysql.sql"));
83  
84          FileUtil.write(file, sm.toString());
85      }
86  
87      protected String getServerName() {
88          return "mysql";
89      }
90  
91      protected String[] getTemplate() {
92          return _MYSQL;
93      }
94  
95      protected String reword(String data) throws IOException {
96          BufferedReader br = new BufferedReader(new StringReader(data));
97  
98          StringMaker sm = new StringMaker();
99  
100         String line = null;
101 
102         while ((line = br.readLine()) != null) {
103             if (line.startsWith(ALTER_COLUMN_TYPE)) {
104                 String[] template = buildColumnTypeTokens(line);
105 
106                 line = StringUtil.replace(
107                     "alter table @table@ modify @old-column@ @type@;",
108                     REWORD_TEMPLATE, template);
109             }
110             else if (line.startsWith(ALTER_COLUMN_NAME)) {
111                 String[] template = buildColumnNameTokens(line);
112 
113                 line = StringUtil.replace(
114                     "alter table @table@ change column @old-column@ " +
115                         "@new-column@ @type@;",
116                     REWORD_TEMPLATE, template);
117             }
118 
119             sm.append(line);
120             sm.append("\n");
121         }
122 
123         br.close();
124 
125         return sm.toString();
126     }
127 
128     private static String[] _MYSQL = {
129         "##", "1", "0",
130         "'1970-01-01'", "now()",
131         " tinyint", " datetime", " double",
132         " integer", " bigint",
133         " longtext", " longtext", " varchar",
134         "  auto_increment", "commit"
135     };
136 
137     private static MySQLUtil _instance = new MySQLUtil();
138 
139 }