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.StringUtil;
23  
24  import java.io.BufferedReader;
25  import java.io.IOException;
26  import java.io.StringReader;
27  
28  /**
29   * <a href="SAPUtil.java.html"><b><i>View Source</i></b></a>
30   *
31   * @author Alexander Chow
32   * @author Sandeep Soni
33   * @author Ganesh Ram
34   *
35   */
36  public class SAPUtil extends DBUtil {
37  
38      public static DBUtil getInstance() {
39          return _instance;
40      }
41  
42      public String buildSQL(String template) throws IOException {
43          template = convertTimestamp(template);
44          template = replaceTemplate(template, getTemplate());
45  
46          template = reword(template);
47  
48          return template;
49      }
50  
51      protected SAPUtil() {
52          super(TYPE_SAP);
53      }
54  
55      protected void buildCreateFile(String databaseName, boolean minimal) {
56      }
57  
58      protected String getServerName() {
59          return "sap";
60      }
61  
62      protected String[] getTemplate() {
63          return _SAP;
64      }
65  
66      protected String reword(String data) throws IOException {
67          BufferedReader br = new BufferedReader(new StringReader(data));
68  
69          StringBuilder sb = new StringBuilder();
70  
71          String line = null;
72  
73          while ((line = br.readLine()) != null) {
74              if (line.startsWith(ALTER_COLUMN_NAME)) {
75                  String[] template = buildColumnNameTokens(line);
76  
77                  line = StringUtil.replace(
78                      "rename column @table@.@old-column@ to @new-column@;",
79                      REWORD_TEMPLATE, template);
80              }
81              else if (line.startsWith(ALTER_COLUMN_TYPE)) {
82                  String[] template = buildColumnTypeTokens(line);
83  
84                  line = StringUtil.replace(
85                      "alter table @table@ modify @old-column@ @type@;",
86                      REWORD_TEMPLATE, template);
87              }
88  
89              sb.append(line);
90              sb.append("\n");
91          }
92  
93          br.close();
94  
95          return sb.toString();
96      }
97  
98      private static String[] _SAP = {
99          "##", "TRUE", "FALSE",
100         "'1970-01-01 00:00:00.000000'", "timestamp",
101         " long byte", " boolean", " timestamp",
102         " float", " int", " bigint",
103         " varchar", " varchar", " varchar",
104         "", "commit"
105     };
106 
107     private static SAPUtil _instance = new SAPUtil();
108 
109 }