1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights 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.io.unsync.UnsyncBufferedReader;
27  import com.liferay.portal.kernel.io.unsync.UnsyncStringReader;
28  import com.liferay.portal.kernel.util.StringUtil;
29  
30  import java.io.IOException;
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          UnsyncBufferedReader unsyncBufferedReader = new UnsyncBufferedReader(
74              new UnsyncStringReader(data));
75  
76          StringBuilder sb = new StringBuilder();
77  
78          String line = null;
79  
80          while ((line = unsyncBufferedReader.readLine()) != null) {
81              if (line.startsWith(ALTER_COLUMN_NAME)) {
82                  String[] template = buildColumnNameTokens(line);
83  
84                  line = StringUtil.replace(
85                      "rename column @table@.@old-column@ to @new-column@;",
86                      REWORD_TEMPLATE, template);
87              }
88              else if (line.startsWith(ALTER_COLUMN_TYPE)) {
89                  String[] template = buildColumnTypeTokens(line);
90  
91                  line = StringUtil.replace(
92                      "alter table @table@ modify @old-column@ @type@;",
93                      REWORD_TEMPLATE, template);
94              }
95  
96              sb.append(line);
97              sb.append("\n");
98          }
99  
100         unsyncBufferedReader.close();
101 
102         return sb.toString();
103     }
104 
105     private static String[] _SAP = {
106         "##", "TRUE", "FALSE",
107         "'1970-01-01 00:00:00.000000'", "timestamp",
108         " long byte", " boolean", " timestamp",
109         " float", " int", " bigint",
110         " varchar", " varchar", " varchar",
111         "", "commit"
112     };
113 
114     private static SAPDB _instance = new SAPDB();
115 
116 }