1   /**
2    * Copyright (c) 2000-2009 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.StringUtil;
26  
27  import java.io.BufferedReader;
28  import java.io.IOException;
29  import java.io.StringReader;
30  
31  /**
32   * <a href="HypersonicUtil.java.html"><b><i>View Source</i></b></a>
33   *
34   * @author Alexander Chow
35   * @author Sandeep Soni
36   * @author Ganesh Ram
37   *
38   */
39  public class HypersonicUtil extends DBUtil {
40  
41      public static DBUtil getInstance() {
42          return _instance;
43      }
44  
45      public String buildSQL(String template) throws IOException {
46          template = convertTimestamp(template);
47          template = replaceTemplate(template, getTemplate());
48  
49          template = reword(template);
50          template = StringUtil.replace(template, "\\'", "''");
51  
52          return template;
53      }
54  
55      protected HypersonicUtil() {
56          super(TYPE_HYPERSONIC);
57      }
58  
59      protected void buildCreateFile(String databaseName, boolean minimal) {
60      }
61  
62      protected String getServerName() {
63          return "hypersonic";
64      }
65  
66      protected String[] getTemplate() {
67          return _HYPERSONIC;
68      }
69  
70      protected String reword(String data) throws IOException {
71          BufferedReader br = new BufferedReader(new StringReader(data));
72  
73          StringBuilder sb = new StringBuilder();
74  
75          String line = null;
76  
77          while ((line = br.readLine()) != null) {
78              if (line.startsWith(ALTER_COLUMN_NAME)) {
79                  String[] template = buildColumnNameTokens(line);
80  
81                  line = StringUtil.replace(
82                      "alter table @table@ alter column @old-column@ rename to " +
83                          "@new-column@;",
84                      REWORD_TEMPLATE, template);
85              }
86              else if (line.startsWith(ALTER_COLUMN_TYPE)) {
87                  String[] template = buildColumnTypeTokens(line);
88  
89                  line = StringUtil.replace(
90                      "alter table @table@ alter column @old-column@ @type@ " +
91                          "@nullable@;",
92                      REWORD_TEMPLATE, template);
93              }
94  
95              sb.append(line);
96              sb.append("\n");
97          }
98  
99          br.close();
100 
101         return sb.toString();
102     }
103 
104     private static String[] _HYPERSONIC = {
105         "//", "true", "false",
106         "'1970-01-01'", "now()",
107         " binary", " bit", " timestamp",
108         " double", " int", " bigint",
109         " longvarchar", " longvarchar", " varchar",
110         "", "commit"
111     };
112 
113     private static HypersonicUtil _instance = new HypersonicUtil();
114 
115 }