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package net.sf.oreka.srvc;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import net.sf.oreka.HibernateManager;
import net.sf.oreka.OrkBase;
import net.sf.oreka.bo.UserBo;
import net.sf.oreka.persistent.User;
import org.apache.log4j.Logger;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.ScrollableResults;
import org.hibernate.Session;
import org.hibernate.Transaction;
public class UserServiceHbn implements UserService {
static Logger logger = Logger.getLogger(UserServiceHbn.class);
public UserBo login(String username, String password) {
Session hbnSession = null;
UserBo userBo = null;
logger.debug("Trying to login user:" + username + " with passwd:" + password);
try
{
hbnSession = HibernateManager.instance().getSession();
String queryString = new String("from LoginString as ls left join ls.user as user where ls.loginString=:ls and user.deleted=0 ");
if (OrkBase.instance().isDebugSwitch() == false) {
queryString = queryString + " and user.password=:password";
}
Query query = hbnSession.createQuery(queryString);
query.setString("ls", username);
if (OrkBase.instance().isDebugSwitch() == false) {
query.setString("password", password);
}
ArrayList results = (ArrayList)query.list();
Object[] row = (Object[])query.uniqueResult();
if (row != null) {
userBo = new UserBo();
userBo.setUser((User)row[1]);
logger.debug("Found userid:" + userBo.getUser().getId() + " for login string:" + username);
}
}
catch ( HibernateException he ) {
logger.error("login: exception:" + he.getClass().getName());
}
catch (Exception e)
{
logger.error("login: exception:", e);
}
finally {
if(hbnSession != null) {hbnSession.close();}
}
return userBo;
}
public boolean changePassword(int userId, String oldPassword, String newPassword) {
Session hbnSession = null;
Transaction tx = null;
User user = null;
boolean success = false;
logger.debug("Trying to change password for userid:" + userId);
try
{
hbnSession = HibernateManager.instance().getSession();
user = (User)hbnSession.get(User.class, userId);
if(user == null) {
logger.warn("Userid:" + userId + " does not exist");
}
else {
if(user.getPassword().equals(oldPassword)) {
tx = hbnSession.beginTransaction();
user.setPassword(newPassword);
hbnSession.save(user);
tx.commit();
success = true;
logger.debug("Changed password for userid:" + userId);
}
}
}
catch ( HibernateException he ) {
logger.error("changePassword: exception:" + he.getClass().getName());
}
catch (Exception e)
{
logger.error("changePassword: exception:", e);
}
finally {
if(hbnSession != null) {hbnSession.close();}
}
return success;
}
public int getUsers(UserFilter filter, int offset, int number, String orderBy, boolean ascending, List<UserBo> results) {
Session hbnSession = null;
Transaction tx = null;
logger.debug("Entering getUsers");
List<User> users;
int numResults = 0;
try
{
hbnSession = HibernateManager.instance().getSession();
/*
Criteria crit = hbnSession.createCriteria(User.class);
//crit.add( Expression.eq( "color", eg.Color.BLACK ) );
// figure out total number of users returned
ScrollableResults scrollRes = crit.scroll();
if ( scrollRes.last() ) {
numResults = scrollRes.getRowNumber()+1;
}
// get only one page worth of users
crit.setMaxResults(number);
crit.setFirstResult(offset);
users = crit.list();
Iterator it = users.iterator();
while(it.hasNext()) {
UserBo ubo = new UserBo();
ubo.setUser((User)it.next());
results.add(ubo);
}
*/
StringBuffer queryString = new StringBuffer("from User as user where user.deleted=0 ");
Query query = hbnSession.createQuery(queryString.toString());
ScrollableResults scrollRes = query.scroll();
if ( scrollRes.last() ) {
numResults = scrollRes.getRowNumber()+1;
}
// get only one page worth of users
scrollRes.setRowNumber(offset);
int numRetrieved = 0;
while(scrollRes.next() && numRetrieved<number) {
numRetrieved++;
UserBo ubo = new UserBo();
ubo.setUser((User)scrollRes.get()[0]);
results.add(ubo);
}
logger.debug("getUsers: got " + numResults + " users");
}
catch ( HibernateException he ) {
logger.error("getUsers: exception:" + he.getClass().getName());
}
catch (Exception e)
{
logger.error("getUsers: exception:", e);
}
finally {
if(hbnSession != null) {hbnSession.close();}
}
return numResults;
}
public void deleteUser(int userId) {
Session hbnSession = null;
Transaction tx = null;
User user = null;
logger.debug("Deleting userid:" + userId);
try
{
hbnSession = HibernateManager.instance().getSession();
user = (User)hbnSession.get(User.class, userId);
if(user == null) {
logger.warn("Userid:" + userId + " does not exist");
}
else {
tx = hbnSession.beginTransaction();
user.setDeleted(true);
hbnSession.save(user);
tx.commit();
}
}
catch ( HibernateException he ) {
logger.error("deleteUser: exception:" + he.getClass().getName());
}
catch (Exception e)
{
logger.error("deleteUser: exception:", e);
}
finally {
if(hbnSession != null) {hbnSession.close();}
}
}
public void disableUser(int userId) {
Session hbnSession = null;
Transaction tx = null;
User user = null;
logger.debug("Disabling userid:" + userId);
try
{
hbnSession = HibernateManager.instance().getSession();
user = (User)hbnSession.get(User.class, userId);
if(user == null) {
logger.warn("Userid:" + userId + " does not exist");
}
else {
tx = hbnSession.beginTransaction();
user.setDisabled(true);
hbnSession.save(user);
tx.commit();
}
}
catch ( HibernateException he ) {
logger.error("disableUser: exception:" + he.getClass().getName());
}
catch (Exception e)
{
logger.error("disableUser: exception:", e);
}
finally {
if(hbnSession != null) {hbnSession.close();}
}
}
}
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