Source Code Cross Referenced for DataBase.java in  » Test-Coverage » salome-tmf » org » objectweb » salome_tmf » api » api2db » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Test Coverage » salome tmf » org.objectweb.salome_tmf.api.api2db 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * SalomeTMF is a Test Management Framework
003:         * Copyright (C) 2005 France Telecom R&D
004:         *
005:         * This library is free software; you can redistribute it and/or
006:         * modify it under the terms of the GNU Lesser General Public
007:         * License as published by the Free Software Foundation; either
008:         * version 2 of the License, or (at your option) any later version.
009:         *
010:         * This library is distributed in the hope that it will be useful,
011:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
012:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
013:         * Lesser General Public License for more details.
014:         *
015:         * You should have received a copy of the GNU Lesser General Public
016:         * License along with this library; if not, write to the Free Software
017:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
018:         *
019:         * @author Fayçal SOUGRATI
020:         *
021:         * Contact: mikael.marche@rd.francetelecom.com
022:         */
023:
024:        package org.objectweb.salome_tmf.api.api2db;
025:
026:        import java.sql.Connection;
027:        import java.sql.DatabaseMetaData;
028:        import java.sql.DriverManager;
029:        import java.sql.PreparedStatement;
030:        import java.sql.ResultSetMetaData;
031:        import java.sql.SQLException;
032:        import java.sql.Statement;
033:        import java.util.Vector;
034:        import java.util.Hashtable;
035:
036:        /**
037:         * Classe encapsulant l'ensemble des objets necessaires e la connexion e la BdD
038:         * SalomeTMF
039:         */
040:        public class DataBase {
041:            /**
042:             * Connexion e la BdD
043:             */
044:            Connection cnt = null;
045:
046:            /**
047:             * Objet contenant une table de la BdD ou le resultat d'une requete
048:             */
049:            DataSet results;
050:
051:            /**
052:             * Objet contenant des informations sur le nom et le type des colonnes du
053:             * resultat d'une requete
054:             */
055:            ResultSetMetaData rsmd;
056:
057:            /**
058:             * Informations generales sur la BdD
059:             */
060:            DatabaseMetaData dmd;
061:
062:            String[] types;
063:
064:            /**
065:             * Mapping des savapoint
066:             */
067:            Hashtable savepointMap;
068:
069:            /**
070:             * Constructeur
071:             * 
072:             * @param driver
073:             */
074:
075:            //static Object pDriver = null;
076:            Object pDriver = null;
077:
078:            public DataBase(String driver) {
079:                try {
080:                    savepointMap = new Hashtable();
081:                    types = new String[1];
082:                    types[0] = "TABLE";
083:                    //Class.forName(driver);
084:                    //org.objectweb.salome_tmf.api.Api.log("Driver use is : " + driver);
085:                    //if (pDriver == null) {
086:                    org.objectweb.salome_tmf.api.Api
087:                            .log("Creation du driver JDBC");
088:                    pDriver = Class.forName(driver).newInstance();
089:                    //}
090:                    //Class.forName("com.mysql.jdbc.Driver").newInstance();
091:                } catch (Exception ex) {
092:                    org.objectweb.salome_tmf.api.Api
093:                            .log("Erreur lors du chargement du driver :"
094:                                    + ex.getMessage());
095:                }
096:            }
097:
098:            /**
099:             * Fonction qui ouvre la connexion e la base de donnees
100:             * 
101:             * @param url
102:             * @param username
103:             * @param password
104:             */
105:            public void open(String url, String username, String password) {
106:                try {
107:                    org.objectweb.salome_tmf.api.Api.log("DB " + url
108:                            + ", user : " + username + "paswd " + password);
109:                    cnt = DriverManager.getConnection(url, username, password);
110:                    dmd = cnt.getMetaData();
111:                    results = new DataSet(dmd.getCatalogs());
112:                    cnt.setAutoCommit(false);
113:                    org.objectweb.salome_tmf.api.Api.log("Connection : " + cnt);
114:
115:                } catch (SQLException ex) {
116:                    org.objectweb.salome_tmf.api.Api.log("Echec d'ouverture :"
117:                            + ex.getMessage());
118:                }
119:            }
120:
121:            /**
122:             * Fonction qui ouvre la connexion e la base de donnees
123:             * 
124:             * @param url
125:             * @param username
126:             * @param password
127:             */
128:            public void open(String url, String username, String password,
129:                    java.util.Properties prop_proxy) {
130:                try {
131:                    org.objectweb.salome_tmf.api.Api.log("DB " + url
132:                            + ", user : " + username + "paswd " + password);
133:                    if (prop_proxy != null) {
134:                        prop_proxy.put("user", username);
135:                        prop_proxy.put("password", password);
136:                        org.objectweb.salome_tmf.api.Api
137:                                .log("Connect to DB with properties");
138:                        cnt = DriverManager.getConnection(url, prop_proxy);
139:                    } else
140:                        cnt = DriverManager.getConnection(url, username,
141:                                password);
142:                    dmd = cnt.getMetaData();
143:                    results = new DataSet(dmd.getCatalogs());
144:                    cnt.setAutoCommit(false);
145:                } catch (SQLException ex) {
146:                    org.objectweb.salome_tmf.api.Api.log("Echec d'ouverture :"
147:                            + ex.getMessage());
148:                }
149:            }
150:
151:            /**
152:             * Fonction qui ferme la connexion e la base de donnees
153:             */
154:            public void close() {
155:                try {
156:                    cnt.close();
157:                    org.objectweb.salome_tmf.api.Api.log("Connection : " + cnt
158:                            + " is closed");
159:                    //cnt = null;
160:                } catch (SQLException ex) {
161:                    org.objectweb.salome_tmf.api.Api
162:                            .log("Echec lors de la fermeture :"
163:                                    + ex.getMessage());
164:                }
165:            }
166:
167:            /**
168:             * Fonction qui renvoie les noms des tables de la BdD
169:             * 
170:             * @return
171:             */
172:            public String[] getTableNames() {
173:                String[] tbnames = null;
174:                Vector tname = new Vector();
175:
176:                try {
177:                    results = new DataSet(dmd.getTables(null, null, "%", types));
178:                    while (results.hasMoreElements())
179:                        tname.addElement(results.getColumnValue("TABLE_NAME"));
180:                } catch (SQLException ex) {
181:                    org.objectweb.salome_tmf.api.Api.log(ex.getMessage());
182:                }
183:                tbnames = new String[tname.size()];
184:                for (int i = 0; i < tname.size(); i++)
185:                    tbnames[i] = (String) tname.elementAt(i);
186:                return tbnames;
187:            }
188:
189:            /**
190:             * Retourne les noms des tables de la BdD sous formes de chaines
191:             * 
192:             * @return
193:             */
194:            public String[] getTableMetaData() {
195:                results = null;
196:
197:                try {
198:                    results = new DataSet(dmd.getTables(null, null, "%", types));
199:                } catch (SQLException ex) {
200:                    org.objectweb.salome_tmf.api.Api.log(ex.getMessage());
201:                }
202:                return results.getMetaData();
203:            }
204:
205:            /**
206:             * Retourne tous les champs de la table sous forme de chaines de caracteres
207:             * 
208:             * @param tablename
209:             * @return
210:             */
211:            public String[] getColumnMetaData(String tablename) {
212:                results = null;
213:
214:                try {
215:                    results = new DataSet(dmd.getColumns(null, null, tablename,
216:                            null));
217:                } catch (SQLException ex) {
218:                    org.objectweb.salome_tmf.api.Api.log(ex.getMessage());
219:                }
220:                return results.getMetaData();
221:            }
222:
223:            /**
224:             * Retourne les noms des colonnes de la table
225:             * 
226:             * @param table
227:             * @return
228:             */
229:            public String[] getColumnNames(String table) {
230:                String[] tbnames = null;
231:                Vector tname = new Vector();
232:
233:                try {
234:                    results = new DataSet(dmd
235:                            .getTables(null, null, table, null));
236:                    while (results.hasMoreElements())
237:                        tname.addElement(results.getColumnValue("COLUMN_NAME"));
238:                } catch (SQLException ex) {
239:                    org.objectweb.salome_tmf.api.Api.log(ex.getMessage());
240:                }
241:                tbnames = new String[tname.size()];
242:                for (int i = 0; i < tname.size(); i++)
243:                    tbnames[i] = (String) tname.elementAt(i);
244:                return tbnames;
245:            }
246:
247:            /**
248:             * Donne la valeur d'un champ de la table en indiquant le nom de la colonne
249:             * 
250:             * @param table
251:             * @param columnName
252:             */
253:            public void getColumnValue(String table, String columnName) {
254:                try {
255:                    if (table.length() > 0)
256:                        results = executeQuery("Select " + columnName
257:                                + " from " + table + " order by " + columnName);
258:                } catch (Exception ex) {
259:                    org.objectweb.salome_tmf.api.Api
260:                            .log("Erreur sur la valeur de la colonne "
261:                                    + columnName + ex.getMessage());
262:                }
263:            }
264:
265:            /**
266:             * Donne la valeur suivante pour la colonne passee en parametres
267:             * 
268:             * @param columnName
269:             * @return
270:             */
271:            public String getNextValue(String columnName) {
272:                String res = "";
273:                try {
274:                    if (results.hasMoreElements())
275:                        res = results.getColumnValue(columnName);
276:                } catch (Exception ex) {
277:                    org.objectweb.salome_tmf.api.Api
278:                            .log("Erreur sur la valeur suivante " + columnName
279:                                    + ex.getMessage());
280:                }
281:                return res;
282:            }
283:
284:            /**
285:             * Execution d'une requete SQL type SELECT retournant un resultat
286:             * 
287:             * @param sql
288:             * @return
289:             */
290:            public DataSet executeQuery(String sql) {
291:                results = null;
292:                try {
293:                    Statement stmt = cnt.createStatement();
294:                    results = new DataSet(stmt.executeQuery(sql));
295:                } catch (SQLException ex) {
296:                    org.objectweb.salome_tmf.api.Api.log(ex.getMessage());
297:                }
298:                return results;
299:            }
300:
301:            /**
302:             * Execution d'une requete SQL type INSERT, UPDATE, DELETE, CREATE TABLE,
303:             * DROP TABLE
304:             * 
305:             * @param sql
306:             */
307:            public void executeUpdate(String sql) {
308:                try {
309:                    Statement stmt = cnt.createStatement();
310:                    stmt.executeUpdate(sql);
311:                } catch (SQLException ex) {
312:                    org.objectweb.salome_tmf.api.Api.log(ex.getMessage());
313:                }
314:            }
315:
316:            /**
317:             * Preparation d'une requete dynamique (precompilee)
318:             * 
319:             * @param sql
320:             * @return
321:             */
322:            public PreparedStatement prepareStatement(String sql)
323:                    throws SQLException {
324:                PreparedStatement prep = null;
325:                org.objectweb.salome_tmf.api.Api.log("prepareStatement:SQL : "
326:                        + sql + " with connection " + cnt);
327:                prep = cnt.prepareStatement(sql);
328:                return prep;
329:            }
330:
331:            public boolean updateDetected() {
332:                try {
333:                    return dmd
334:                            .updatesAreDetected(java.sql.ResultSet.TYPE_FORWARD_ONLY);
335:                } catch (Exception e) {
336:                }
337:                return false;
338:            }
339:
340:            public boolean insertDetected() {
341:                try {
342:                    return dmd
343:                            .insertsAreDetected(java.sql.ResultSet.TYPE_FORWARD_ONLY);
344:                } catch (Exception e) {
345:                }
346:                return false;
347:            }
348:
349:            public boolean deleteDetected() {
350:                try {
351:                    return dmd
352:                            .deletesAreDetected(java.sql.ResultSet.TYPE_FORWARD_ONLY);
353:                } catch (Exception e) {
354:                }
355:                return false;
356:            }
357:
358:            public void startTrans(int idTrans) {
359:                String id = "" + idTrans;
360:                try {
361:                    org.objectweb.salome_tmf.api.Api
362:                            .log("Transaction autocomit = "
363:                                    + cnt.getAutoCommit());
364:                    java.sql.Savepoint save = cnt.setSavepoint(id);
365:                    savepointMap.put(id, save);
366:                    org.objectweb.salome_tmf.api.Api.log("Start Trans id :"
367:                            + id + "Save point " + save);
368:                } catch (SQLException e) {
369:                    e.printStackTrace();
370:                }
371:            }
372:
373:            public void rollback() throws SQLException {
374:                cnt.rollback();
375:
376:            }
377:
378:            public void rollback(int idTrans) throws SQLException {
379:                String id = "" + idTrans;
380:                org.objectweb.salome_tmf.api.Api.log("ROLLBACk id :" + id
381:                        + "Save point " + savepointMap.get(id));
382:                cnt.rollback((java.sql.Savepoint) savepointMap.get(id));
383:            }
384:
385:            public void commit() throws SQLException {
386:                cnt.commit();
387:            }
388:
389:            public void setAutoCommit(boolean autoCommit) {
390:                try {
391:                    cnt.setAutoCommit(autoCommit);
392:                } catch (Exception e) {
393:                }
394:            }
395:
396:            public boolean isClosed() {
397:                try {
398:                    /*if (cnt==null)
399:                    	return true;
400:                    else 
401:                    	return false;*/
402:                    org.objectweb.salome_tmf.api.Api
403:                            .log("Connection is close ? " + cnt.isClosed());
404:                    return cnt.isClosed();
405:                } catch (Exception e) {
406:                    return true;
407:                }
408:            }
409:
410:        }
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