Source Code Cross Referenced for RoleAdminServiceDBImpl.java in  » Portal » stringbeans-3.5 » com » nabhinc » portal » spi » impl » db » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Portal » stringbeans 3.5 » com.nabhinc.portal.spi.impl.db 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * (C) Copyright 2000 - 2006 Nabh Information Systems, Inc.
003:         *
004:         * This program is free software; you can redistribute it and/or
005:         * modify it under the terms of the GNU General Public License
006:         * as published by the Free Software Foundation; either version 2
007:         * of the License, or (at your option) any later version.
008:         *
009:         * This program is distributed in the hope that it will be useful,
010:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
011:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
012:         * GNU General Public License for more details.
013:         *
014:         * You should have received a copy of the GNU General Public License
015:         * along with this program; if not, write to the Free Software
016:         * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
017:         *
018:         */
019:        package com.nabhinc.portal.spi.impl.db;
020:
021:        import java.rmi.RemoteException;
022:        import java.sql.Connection;
023:        import java.sql.PreparedStatement;
024:        import java.sql.ResultSet;
025:        import java.sql.SQLException;
026:        import java.util.ArrayList;
027:        import java.util.List;
028:        import java.util.Vector;
029:
030:        import javax.naming.NamingException;
031:
032:        import com.nabhinc.spi.EntityExistsException;
033:        import com.nabhinc.spi.NoSuchEntityException;
034:        import com.nabhinc.spi.RoleAdminService;
035:        import com.nabhinc.spi.UserRole;
036:        import com.nabhinc.spi.UserRoleImpl;
037:        import com.nabhinc.util.db.DBUtil;
038:
039:        /**
040:         * 
041:         * 
042:         * @author Padmanabh Dabke
043:         * (c) 2006 Nabh Information Systems, Inc. All Rights Reserved.
044:         */
045:        public class RoleAdminServiceDBImpl extends BaseDatabaseServiceImpl
046:                implements  RoleAdminService {
047:
048:            private String uasiRoleMemberSQL = "SELECT SB_ROLES.roleid FROM SB_USER_ROLES, SB_USERS, SB_ROLES WHERE SB_USERS.userid = SB_USER_ROLES.userid AND SB_ROLES.roleid = SB_USER_ROLES.roleid AND SB_USERS.username = ? AND SB_ROLES.rolename = ?";
049:            private String uasiRolesForUserNameSQL = "SELECT SB_ROLES.rolename FROM SB_USER_ROLES, SB_USERS, SB_ROLES WHERE SB_USERS.userid = SB_USER_ROLES.userid AND SB_ROLES.roleid = SB_USER_ROLES.roleid AND SB_USERS.username = ?";
050:            private String uasiRolesForUserIDSQL = "SELECT SB_ROLES.rolename FROM SB_USER_ROLES, SB_ROLES WHERE SB_ROLES.roleid = SB_USER_ROLES.roleid AND SB_USER_ROLES.userid = ?";
051:            private String uasiRoleIDsForUserIDSQL = "SELECT roleid FROM SB_USER_ROLES WHERE userid = ?";
052:            private String uasiCreateRoleSQL = "INSERT INTO SB_ROLES (rolename, descr) VALUES (?, ?)";
053:            private String uasiDeleteRoleSQL = "DELETE FROM SB_ROLES WHERE roleid = ?";
054:            private String uasiUpdateRoleSQL = "UPDATE SB_ROLES SET rolename = ?, descr = ? WHERE roleid = ?";
055:            private String uasiSelectRolesSQL = "SELECT roleid, rolename, descr FROM SB_ROLES";
056:            private String uasiRoleExistsSQL = "SELECT rolename FROM SB_ROLES WHERE rolename = ? AND roleid != ?";
057:            private String uasiRoleForRoleIDSQL = "SELECT rolename, descr FROM SB_ROLES WHERE roleid = ?";
058:            private String uasiRoleCountSQL = "SELECT count(*) FROM SB_ROLES";
059:
060:            public String getRolesForUserNameSQL() {
061:                return uasiRolesForUserNameSQL;
062:            }
063:
064:            public void setRolesForUserNameSQL(String roleSQL) {
065:                uasiRolesForUserNameSQL = roleSQL;
066:            }
067:
068:            public String getCreateRoleSQL() {
069:                return uasiCreateRoleSQL;
070:            }
071:
072:            public void setCreateRoleSQL(String uasiCreateRoleSQL) {
073:                this .uasiCreateRoleSQL = uasiCreateRoleSQL;
074:            }
075:
076:            public String getDeleteRoleSQL() {
077:                return uasiDeleteRoleSQL;
078:            }
079:
080:            public void setDeleteRoleSQL(String uasiDeleteRoleSQL) {
081:                this .uasiDeleteRoleSQL = uasiDeleteRoleSQL;
082:            }
083:
084:            public String getSelectRolesSQL() {
085:                return uasiSelectRolesSQL;
086:            }
087:
088:            public void setSelectRolesSQL(String uasiSelectRolesSQL) {
089:                this .uasiSelectRolesSQL = uasiSelectRolesSQL;
090:            }
091:
092:            public String getUpdateRoleSQL() {
093:                return uasiUpdateRoleSQL;
094:            }
095:
096:            public void setUpdateRoleSQL(String uasiUpdateRoleSQL) {
097:                this .uasiUpdateRoleSQL = uasiUpdateRoleSQL;
098:            }
099:
100:            public String getRoleCountSQL() {
101:                return uasiRoleCountSQL;
102:            }
103:
104:            public void setRoleCountSQL(String sql) {
105:                this .uasiRoleCountSQL = sql;
106:            }
107:
108:            @SuppressWarnings("unchecked")
109:            public String[] getUserRoles(String userName)
110:                    throws RemoteException {
111:                Connection conn = null;
112:                ResultSet results = null;
113:                PreparedStatement st = null;
114:
115:                try {
116:                    conn = DBUtil.getConnection(bdsiDataSource);
117:                    st = conn.prepareStatement(uasiRolesForUserNameSQL);
118:                    st.setString(1, userName);
119:                    results = st.executeQuery();
120:                    Vector v = new Vector();
121:                    while (results.next()) {
122:                        v.add(results.getString(1));
123:                    }
124:                    String[] roles = new String[v.size()];
125:                    v.copyInto(roles);
126:                    return roles;
127:
128:                } catch (NamingException ex) {
129:                    throw new RemoteException("Failed to look up data source: "
130:                            + bdsiDataSource, ex);
131:                } catch (SQLException ex) {
132:                    throw new RemoteException("System exception.", ex);
133:                } finally {
134:                    DBUtil.close(st);
135:                    DBUtil.close(results);
136:                    DBUtil.close(conn);
137:                }
138:            }
139:
140:            @SuppressWarnings("unchecked")
141:            public String[] getUserRoles(int userID) throws RemoteException {
142:                Connection conn = null;
143:                ResultSet results = null;
144:                PreparedStatement st = null;
145:
146:                try {
147:                    conn = DBUtil.getConnection(bdsiDataSource);
148:                    st = conn.prepareStatement(uasiRolesForUserIDSQL);
149:                    st.setInt(1, userID);
150:                    results = st.executeQuery();
151:                    Vector v = new Vector();
152:                    while (results.next()) {
153:                        v.add(results.getString(1));
154:                    }
155:                    String[] roles = new String[v.size()];
156:                    v.copyInto(roles);
157:                    return roles;
158:
159:                } catch (NamingException ex) {
160:                    throw new RemoteException("Failed to look up data source: "
161:                            + bdsiDataSource, ex);
162:                } catch (SQLException ex) {
163:                    throw new RemoteException("System exception.", ex);
164:                } finally {
165:                    DBUtil.close(st);
166:                    DBUtil.close(results);
167:                    DBUtil.close(conn);
168:                }
169:            }
170:
171:            @SuppressWarnings("unchecked")
172:            public int[] getUserRoleIDs(int userID) throws RemoteException {
173:                Connection conn = null;
174:                ResultSet results = null;
175:                PreparedStatement st = null;
176:
177:                try {
178:                    conn = DBUtil.getConnection(bdsiDataSource);
179:                    st = conn.prepareStatement(uasiRoleIDsForUserIDSQL);
180:                    st.setInt(1, userID);
181:                    results = st.executeQuery();
182:                    Vector v = new Vector();
183:                    while (results.next()) {
184:                        v.add(new Integer(results.getInt(1)));
185:                    }
186:                    int[] roles = new int[v.size()];
187:                    for (int i = 0; i < v.size(); i++) {
188:                        roles[i] = ((Integer) v.elementAt(i)).intValue();
189:                    }
190:                    return roles;
191:
192:                } catch (NamingException ex) {
193:                    throw new RemoteException("Failed to look up data source: "
194:                            + bdsiDataSource, ex);
195:                } catch (SQLException ex) {
196:                    throw new RemoteException("System exception.", ex);
197:                } finally {
198:                    DBUtil.close(st);
199:                    DBUtil.close(results);
200:                    DBUtil.close(conn);
201:                }
202:            }
203:
204:            public boolean isUserInRole(String userName, String roleName)
205:                    throws RemoteException {
206:                Connection conn = null;
207:                PreparedStatement st = null;
208:                ResultSet results = null;
209:                try {
210:                    conn = DBUtil.getConnection(bdsiDataSource);
211:                    st = conn.prepareStatement(uasiRoleMemberSQL);
212:                    st.setString(1, userName);
213:                    st.setString(2, roleName);
214:                    results = st.executeQuery();
215:                    return results.next();
216:
217:                } catch (NamingException ex) {
218:                    throw new RemoteException("Failed to look up data source: "
219:                            + bdsiDataSource, ex);
220:                } catch (SQLException ex) {
221:                    throw new RemoteException("System exception.", ex);
222:                } finally {
223:                    DBUtil.close(results);
224:                    DBUtil.close(st);
225:                    DBUtil.close(conn);
226:                }
227:
228:            }
229:
230:            public void createUserRole(UserRole role)
231:                    throws EntityExistsException, RemoteException {
232:                Connection conn = null;
233:                PreparedStatement st = null;
234:                ResultSet results = null;
235:                try {
236:                    conn = DBUtil.getConnection(bdsiDataSource);
237:
238:                    // First check if a role with specified name already exists.
239:                    st = conn.prepareStatement(uasiRoleExistsSQL);
240:                    st.setString(1, role.getName());
241:                    st.setInt(2, -1);
242:                    results = st.executeQuery();
243:                    if (results.next())
244:                        throw new EntityExistsException();
245:                    results.close();
246:                    results = null;
247:                    st.close();
248:                    st = null;
249:
250:                    st = conn.prepareStatement(uasiCreateRoleSQL);
251:                    st.setString(1, role.getName());
252:                    st.setString(2, role.getDescription());
253:                    st.execute();
254:
255:                } catch (NamingException ex) {
256:                    throw new RemoteException("Failed to look up data source: "
257:                            + bdsiDataSource, ex);
258:                } catch (SQLException ex) {
259:                    throw new RemoteException("System exception.", ex);
260:                } finally {
261:                    DBUtil.close(results);
262:                    DBUtil.close(st);
263:                    DBUtil.close(conn);
264:                }
265:
266:            }
267:
268:            public void updateUserRole(UserRole role) throws RemoteException,
269:                    EntityExistsException {
270:                Connection conn = null;
271:                PreparedStatement st = null;
272:                ResultSet results = null;
273:                try {
274:                    conn = DBUtil.getConnection(bdsiDataSource);
275:
276:                    // First check if a role with specified name already exists.
277:                    st = conn.prepareStatement(uasiRoleExistsSQL);
278:                    st.setString(1, role.getName());
279:                    st.setInt(2, role.getId());
280:                    results = st.executeQuery();
281:                    if (results.next())
282:                        throw new EntityExistsException();
283:                    results.close();
284:                    results = null;
285:                    st.close();
286:
287:                    st = null;
288:                    st = conn.prepareStatement(uasiUpdateRoleSQL);
289:                    st.setString(1, role.getName());
290:                    st.setString(2, role.getDescription());
291:                    st.setInt(3, role.getId());
292:                    st.execute();
293:
294:                } catch (NamingException ex) {
295:                    throw new RemoteException("Failed to look up data source: "
296:                            + bdsiDataSource, ex);
297:                } catch (SQLException ex) {
298:                    throw new RemoteException("System exception.", ex);
299:                } finally {
300:                    DBUtil.close(results);
301:                    DBUtil.close(st);
302:                    DBUtil.close(conn);
303:                }
304:
305:            }
306:
307:            public void deleteUserRoles(int[] roleID) throws RemoteException {
308:                Connection conn = null;
309:                PreparedStatement st = null;
310:
311:                try {
312:                    conn = DBUtil.getConnection(bdsiDataSource);
313:                    conn.setAutoCommit(false);
314:                    st = conn.prepareStatement(uasiDeleteRoleSQL);
315:                    for (int i = 0; i < roleID.length; i++) {
316:                        st.setInt(1, roleID[i]);
317:                        st.execute();
318:                    }
319:
320:                    conn.commit();
321:                } catch (NamingException ex) {
322:                    try {
323:                        if (conn != null)
324:                            conn.rollback();
325:                    } catch (Exception e) { /* Ignore */
326:                    }
327:                    throw new RemoteException("Failed to look up data source: "
328:                            + bdsiDataSource, ex);
329:                } catch (SQLException ex) {
330:                    try {
331:                        if (conn != null)
332:                            conn.rollback();
333:                    } catch (Exception e) { /* Ignore */
334:                    }
335:                    throw new RemoteException("System exception.", ex);
336:                } finally {
337:                    DBUtil.close(st);
338:                    DBUtil.close(conn);
339:                }
340:
341:            }
342:
343:            @SuppressWarnings("unchecked")
344:            public List getUserRoles(int offset, int maxRoles, String orderby,
345:                    boolean isDescending) throws RemoteException {
346:                Connection conn = null;
347:                ResultSet results = null;
348:                PreparedStatement st = null;
349:
350:                try {
351:                    String selectSQL = uasiSelectRolesSQL;
352:                    if (orderby != null) {
353:                        selectSQL += " ORDER BY " + orderby;
354:                        if (isDescending)
355:                            selectSQL += " DESC";
356:                    }
357:
358:                    conn = DBUtil.getConnection(bdsiDataSource);
359:                    st = conn.prepareStatement(selectSQL);
360:                    results = st.executeQuery();
361:                    List v = new ArrayList();
362:
363:                    // Skip upto offset
364:                    for (int i = 0; i < offset; i++) {
365:                        if (!results.next())
366:                            return v;
367:                    }
368:
369:                    // Create maxRoles roles and add them to the vector.
370:                    for (int i = 0; i < maxRoles; i++) {
371:                        if (!results.next())
372:                            break;
373:                        int roleID = results.getInt(1);
374:                        String roleName = results.getString(2);
375:                        String roleDesc = results.getString(3);
376:                        UserRole role = new UserRoleImpl();
377:                        role.setId(roleID);
378:                        role.setName(roleName);
379:                        role.setDescription(roleDesc);
380:                        v.add(role);
381:                    }
382:
383:                    return v;
384:
385:                } catch (NamingException ex) {
386:                    throw new RemoteException("Failed to look up data source: "
387:                            + bdsiDataSource, ex);
388:                } catch (SQLException ex) {
389:                    throw new RemoteException("System exception.", ex);
390:                } finally {
391:                    DBUtil.close(st);
392:                    DBUtil.close(results);
393:                    DBUtil.close(conn);
394:                }
395:            }
396:
397:            public UserRole getUserRole(int roleID)
398:                    throws NoSuchEntityException, RemoteException {
399:                Connection conn = null;
400:                ResultSet results = null;
401:                PreparedStatement st = null;
402:
403:                try {
404:                    conn = DBUtil.getConnection(bdsiDataSource);
405:                    st = conn.prepareStatement(uasiRoleForRoleIDSQL);
406:                    st.setInt(1, roleID);
407:                    results = st.executeQuery();
408:                    if (!results.next())
409:                        throw new NoSuchEntityException();
410:                    UserRole role = new UserRoleImpl();
411:                    role.setId(roleID);
412:                    role.setName(results.getString(1));
413:                    role.setDescription(results.getString(2));
414:                    return role;
415:                } catch (NamingException ex) {
416:                    throw new RemoteException("Failed to look up data source: "
417:                            + bdsiDataSource, ex);
418:                } catch (SQLException ex) {
419:                    throw new RemoteException("System exception.", ex);
420:                } finally {
421:                    DBUtil.close(st);
422:                    DBUtil.close(results);
423:                    DBUtil.close(conn);
424:                }
425:            }
426:
427:            public int getUserRoleCount() throws RemoteException {
428:                Connection conn = null;
429:                ResultSet results = null;
430:                PreparedStatement st = null;
431:
432:                try {
433:                    conn = DBUtil.getConnection(bdsiDataSource);
434:                    st = conn.prepareStatement(uasiRoleCountSQL);
435:                    results = st.executeQuery();
436:                    results.next();
437:                    return results.getInt(1);
438:
439:                } catch (NamingException ex) {
440:                    throw new RemoteException("Failed to look up data source: "
441:                            + bdsiDataSource, ex);
442:                } catch (SQLException ex) {
443:                    throw new RemoteException("System exception.", ex);
444:                } finally {
445:                    DBUtil.close(st);
446:                    DBUtil.close(results);
447:                    DBUtil.close(conn);
448:                }
449:            }
450:
451:        }
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