1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portal.tools.sql;
21  
22  import com.liferay.portal.kernel.util.FileUtil;
23  import com.liferay.portal.kernel.util.StringUtil;
24  
25  import java.io.BufferedReader;
26  import java.io.File;
27  import java.io.IOException;
28  import java.io.StringReader;
29  
30  /**
31   * <a href="SybaseUtil.java.html"><b><i>View Source</i></b></a>
32   *
33   * @author Alexander Chow
34   * @author Bruno Farache
35   * @author Sandeep Soni
36   * @author Ganesh Ram
37   *
38   */
39  public class SybaseUtil 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, ");\n", ")\ngo\n");
51          template = StringUtil.replace(template, "\ngo;\n", "\ngo\n");
52          template = StringUtil.replace(
53              template,
54              new String[] {"\\\\", "\\'", "\\\"", "\\n", "\\r"},
55              new String[] {"\\", "''", "\"", "\n", "\r"});
56  
57          return template;
58      }
59  
60      protected SybaseUtil() {
61          super(TYPE_SYBASE);
62      }
63  
64      protected void buildCreateFile(String databaseName, boolean minimal)
65          throws IOException {
66  
67          String minimalSuffix = getMinimalSuffix(minimal);
68  
69          File file = new File(
70              "../sql/create" + minimalSuffix + "/create" + minimalSuffix +
71                  "-sybase.sql");
72  
73          StringBuilder sb = new StringBuilder();
74  
75          sb = new StringBuilder();
76  
77          sb.append("use master\n");
78          sb.append(
79              "exec sp_dboption '" + databaseName + "', " +
80                  "'allow nulls by default' , true\n");
81          sb.append("go\n\n");
82          sb.append(
83              "exec sp_dboption '" + databaseName + "', " +
84                  "'select into/bulkcopy/pllsort' , true\n");
85          sb.append("go\n\n");
86  
87          sb.append("use " + databaseName + "\n\n");
88          sb.append(
89              FileUtil.read(
90                  "../sql/portal" + minimalSuffix + "/portal" + minimalSuffix +
91                      "-sybase.sql"));
92          sb.append("\n\n");
93          sb.append(FileUtil.read("../sql/indexes/indexes-sybase.sql"));
94          sb.append("\n\n");
95          sb.append(FileUtil.read("../sql/sequences/sequences-sybase.sql"));
96  
97          FileUtil.write(file, sb.toString());
98      }
99  
100     protected String getServerName() {
101         return "sybase";
102     }
103 
104     protected String[] getTemplate() {
105         return _SYBASE;
106     }
107 
108     protected String reword(String data) throws IOException {
109         BufferedReader br = new BufferedReader(new StringReader(data));
110 
111         StringBuilder sb = new StringBuilder();
112 
113         String line = null;
114 
115         while ((line = br.readLine()) != null) {
116 
117             if (line.indexOf(DROP_COLUMN) != -1) {
118                 line = StringUtil.replace(line, " drop column ", " drop ");
119             }
120 
121             if (line.startsWith(ALTER_COLUMN_NAME)) {
122                 String[] template = buildColumnNameTokens(line);
123 
124                 line = StringUtil.replace(
125                     "exec sp_rename '@table@.@old-column@', '@new-column@', " +
126                         "'column';",
127                     REWORD_TEMPLATE, template);
128             }
129             else if (line.startsWith(ALTER_COLUMN_TYPE)) {
130                 String[] template = buildColumnTypeTokens(line);
131 
132                 line = StringUtil.replace(
133                     "alter table @table@ alter column @old-column@ @type@;",
134                     REWORD_TEMPLATE, template);
135             }
136 
137             sb.append(line);
138             sb.append("\n");
139         }
140 
141         br.close();
142 
143         return sb.toString();
144     }
145 
146     protected static String DROP_COLUMN = "drop column";
147 
148     private static String[] _SYBASE = {
149         "--", "1", "0",
150         "'19700101'", "getdate()",
151         " image", " int", " datetime",
152         " float", " int", " decimal(20,0)",
153         " varchar(1000)", " text", " varchar",
154         "  identity(1,1)", "go"
155     };
156 
157     private static SybaseUtil _instance = new SybaseUtil();
158 
159 }