| HypersonicDB.java |
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.dao.db;
24
25 import com.liferay.portal.kernel.dao.db.DB;
26 import com.liferay.portal.kernel.util.StringUtil;
27
28 import java.io.BufferedReader;
29 import java.io.IOException;
30 import java.io.StringReader;
31
32 /**
33 * <a href="HypersonicDB.java.html"><b><i>View Source</i></b></a>
34 *
35 * @author Alexander Chow
36 * @author Sandeep Soni
37 * @author Ganesh Ram
38 */
39 public class HypersonicDB extends BaseDB {
40
41 public static DB 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 HypersonicDB() {
56 super(TYPE_HYPERSONIC);
57 }
58
59 protected String buildCreateFileContent(
60 String databaseName, int population) {
61
62 return null;
63 }
64
65 protected String getServerName() {
66 return "hypersonic";
67 }
68
69 protected String[] getTemplate() {
70 return _HYPERSONIC;
71 }
72
73 protected String reword(String data) throws IOException {
74 BufferedReader br = new BufferedReader(new StringReader(data));
75
76 StringBuilder sb = new StringBuilder();
77
78 String line = null;
79
80 while ((line = br.readLine()) != null) {
81 if (line.startsWith(ALTER_COLUMN_NAME)) {
82 String[] template = buildColumnNameTokens(line);
83
84 line = StringUtil.replace(
85 "alter table @table@ alter column @old-column@ rename to " +
86 "@new-column@;",
87 REWORD_TEMPLATE, template);
88 }
89 else if (line.startsWith(ALTER_COLUMN_TYPE)) {
90 String[] template = buildColumnTypeTokens(line);
91
92 line = StringUtil.replace(
93 "alter table @table@ alter column @old-column@ @type@ " +
94 "@nullable@;",
95 REWORD_TEMPLATE, template);
96 }
97
98 sb.append(line);
99 sb.append("\n");
100 }
101
102 br.close();
103
104 return sb.toString();
105 }
106
107 private static String[] _HYPERSONIC = {
108 "//", "true", "false",
109 "'1970-01-01'", "now()",
110 " binary", " bit", " timestamp",
111 " double", " int", " bigint",
112 " longvarchar", " longvarchar", " varchar",
113 "", "commit"
114 };
115
116 private static HypersonicDB _instance = new HypersonicDB();
117
118 }