1
19
20 package com.liferay.portal.tools.sql;
21
22 import com.liferay.portal.kernel.log.Log;
23 import com.liferay.portal.kernel.log.LogFactoryUtil;
24 import com.liferay.portal.kernel.util.FileUtil;
25 import com.liferay.portal.kernel.util.StringUtil;
26
27 import java.io.BufferedReader;
28 import java.io.File;
29 import java.io.IOException;
30 import java.io.StringReader;
31
32
40 public class DerbyUtil 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 = replaceTemplate(template, getTemplate());
49
50 template = reword(template );
51 template = removeNull(template);
53 template = StringUtil.replace(template , "\\'", "''");
54
55 return template;
56 }
57
58 protected DerbyUtil() {
59 super(DB_TYPE_DERBY);
60 }
61
62 protected void buildCreateFile(String databaseName, boolean minimal)
63 throws IOException {
64
65 String minimalSuffix = getMinimalSuffix(minimal);
66
67 File file = new File(
68 "../sql/create" + minimalSuffix + "/create" + minimalSuffix +
69 "-derby.sql");
70
71 StringBuilder sb = new StringBuilder();
72
73 sb.append("drop database " + databaseName + ";\n");
74 sb.append("create database " + databaseName + ";\n");
75 sb.append("connect to " + databaseName + ";\n");
76 sb.append(
77 FileUtil.read(
78 "../sql/portal" + minimalSuffix + "/portal" + minimalSuffix +
79 "-derby.sql"));
80 sb.append("\n\n");
81 sb.append(FileUtil.read("../sql/indexes/indexes-derby.sql"));
82 sb.append("\n\n");
83 sb.append(FileUtil.read("../sql/sequences/sequences-derby.sql"));
84
85 FileUtil.write(file, sb.toString());
86 }
87
88 protected String getServerName() {
89 return "derby";
90 }
91
92 protected String[] getTemplate() {
93 return _DERBY;
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 line.startsWith(ALTER_COLUMN_NAME)) {
106
107 line = "-- " + line;
108
109 if (_log.isWarnEnabled()) {
110 _log.warn(
111 "This statement is not supported by Derby: " + line);
112 }
113 }
114
115 sb.append(line);
116 sb.append("\n");
117 }
118
119 br.close();
120
121 return sb.toString();
122 }
123
124 private static String[] _DERBY = {
125 "--", "1", "0",
126 "'1970-01-01-00.00.00.000000'", "current timestamp",
127 " blob", " smallint", " timestamp",
128 " double", " integer", " bigint",
129 " long varchar", " clob", " varchar",
130 " generated always as identity", "commit"
131 };
132
133 private static Log _log = LogFactoryUtil.getLog(DBUtil.class);
134
135 private static DerbyUtil _instance = new DerbyUtil();
136
137 }