| HypersonicUtil.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.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 }