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="SAPDB.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 SAPDB 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  
51          return template;
52      }
53  
54      protected SAPDB() {
55          super(TYPE_SAP);
56      }
57  
58      protected String buildCreateFileContent(
59          String databaseName, int population) {
60  
61          return null;
62      }
63  
64      protected String getServerName() {
65          return "sap";
66      }
67  
68      protected String[] getTemplate() {
69          return _SAP;
70      }
71  
72      protected String reword(String data) throws IOException {
73          BufferedReader br = new BufferedReader(new StringReader(data));
74  
75          StringBuilder sb = new StringBuilder();
76  
77          String line = null;
78  
79          while ((line = br.readLine()) != null) {
80              if (line.startsWith(ALTER_COLUMN_NAME)) {
81                  String[] template = buildColumnNameTokens(line);
82  
83                  line = StringUtil.replace(
84                      "rename column @table@.@old-column@ to @new-column@;",
85                      REWORD_TEMPLATE, template);
86              }
87              else if (line.startsWith(ALTER_COLUMN_TYPE)) {
88                  String[] template = buildColumnTypeTokens(line);
89  
90                  line = StringUtil.replace(
91                      "alter table @table@ modify @old-column@ @type@;",
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[] _SAP = {
105         "##", "TRUE", "FALSE",
106         "'1970-01-01 00:00:00.000000'", "timestamp",
107         " long byte", " boolean", " timestamp",
108         " float", " int", " bigint",
109         " varchar", " varchar", " varchar",
110         "", "commit"
111     };
112 
113     private static SAPDB _instance = new SAPDB();
114 
115 }