001
014
015 package com.liferay.portal.dao.db;
016
017 import com.liferay.portal.kernel.dao.db.DB;
018 import com.liferay.portal.kernel.io.unsync.UnsyncBufferedReader;
019 import com.liferay.portal.kernel.io.unsync.UnsyncStringReader;
020 import com.liferay.portal.kernel.util.StringBundler;
021 import com.liferay.portal.kernel.util.StringUtil;
022
023 import java.io.IOException;
024
025
030 public class SAPDB extends BaseDB {
031
032 public static DB getInstance() {
033 return _instance;
034 }
035
036 public String buildSQL(String template) throws IOException {
037 template = convertTimestamp(template);
038 template = replaceTemplate(template, getTemplate());
039
040 template = reword(template);
041
042 return template;
043 }
044
045 protected SAPDB() {
046 super(TYPE_SAP);
047 }
048
049 protected String buildCreateFileContent(
050 String sqlDir, String databaseName, int population) {
051
052 return null;
053 }
054
055 protected String getServerName() {
056 return "sap";
057 }
058
059 protected String[] getTemplate() {
060 return _SAP;
061 }
062
063 protected String reword(String data) throws IOException {
064 UnsyncBufferedReader unsyncBufferedReader = new UnsyncBufferedReader(
065 new UnsyncStringReader(data));
066
067 StringBundler sb = new StringBundler();
068
069 String line = null;
070
071 while ((line = unsyncBufferedReader.readLine()) != null) {
072 if (line.startsWith(ALTER_COLUMN_NAME)) {
073 String[] template = buildColumnNameTokens(line);
074
075 line = StringUtil.replace(
076 "rename column @table@.@old-column@ to @new-column@;",
077 REWORD_TEMPLATE, template);
078 }
079 else if (line.startsWith(ALTER_COLUMN_TYPE)) {
080 String[] template = buildColumnTypeTokens(line);
081
082 line = StringUtil.replace(
083 "alter table @table@ modify @old-column@ @type@;",
084 REWORD_TEMPLATE, template);
085 }
086
087 sb.append(line);
088 sb.append("\n");
089 }
090
091 unsyncBufferedReader.close();
092
093 return sb.toString();
094 }
095
096 private static String[] _SAP = {
097 "##", "TRUE", "FALSE",
098 "'1970-01-01 00:00:00.000000'", "timestamp",
099 " long byte", " boolean", " timestamp",
100 " float", " int", " bigint",
101 " varchar", " varchar", " varchar",
102 "", "commit"
103 };
104
105 private static SAPDB _instance = new SAPDB();
106
107 }