1   /**
2    * Copyright (c) 2000-2007 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.StringMaker;
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="SAPUtil.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Alexander Chow
36   *
37   */
38  public class SAPUtil extends DBUtil {
39  
40      public static DBUtil getInstance() {
41          return _instance;
42      }
43  
44      public String buildSQL(String template) throws IOException {
45          template = convertTimestamp(template);
46          template = StringUtil.replace(template, TEMPLATE, getTemplate());
47  
48          template = reword(template);
49  
50          return template;
51      }
52  
53      protected SAPUtil() {
54      }
55  
56      protected void buildCreateFile(String databaseName, boolean minimal)
57          throws IOException {
58      }
59  
60      protected String getServerName() {
61          return "sap";
62      }
63  
64      protected String[] getTemplate() {
65          return _SAP;
66      }
67  
68      protected String reword(String data) throws IOException {
69          BufferedReader br = new BufferedReader(new StringReader(data));
70  
71          StringMaker sm = new StringMaker();
72  
73          String line = null;
74  
75          while ((line = br.readLine()) != null) {
76              if (line.startsWith(ALTER_COLUMN_TYPE)) {
77                  String[] template = buildColumnTypeTokens(line);
78  
79                  line = StringUtil.replace(
80                      "alter table @table@ modify @old-column@ @type@;",
81                      REWORD_TEMPLATE, template);
82              }
83              else if (line.startsWith(ALTER_COLUMN_NAME)) {
84                  String[] template = buildColumnNameTokens(line);
85  
86                  line = StringUtil.replace(
87                      "rename column @table@.@old-column@ to @new-column@;",
88                      REWORD_TEMPLATE, template);
89              }
90  
91              sm.append(line);
92              sm.append("\n");
93          }
94  
95          br.close();
96  
97          return sm.toString();
98      }
99  
100     private static String[] _SAP = {
101         "##", "TRUE", "FALSE",
102         "'1970-01-01 00:00:00.000000'", "timestamp",
103         " boolean", " timestamp", " float",
104         " int", " bigint",
105         " varchar", " varchar", " varchar",
106         "", "commit"
107     };
108 
109     private static SAPUtil _instance = new SAPUtil();
110 
111 }