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Ignore whitespace Rev 960 → Rev 961

/hostadmiral/trunk/src/ak/hostadmiral/core/model/UserManager.java
0,0 → 1,371
package ak.hostadmiral.core.model;
 
import java.util.*;
import net.sf.hibernate.*;
import net.sf.hibernate.type.Type;
import ak.hostadmiral.util.HibernateUtil;
import ak.hostadmiral.util.ModelException;
import ak.hostadmiral.util.ModelSecurityException;
 
public class UserManager
implements UserBeforeDeleteListener
{
private static UserManager userManager = null;
private static boolean registered = false;
 
public static UserManager getInstance()
{
return userManager;
}
 
protected static void register()
{
synchronized(MailboxManager.class) {
if(registered) return;
 
registered = true;
try {
HibernateUtil.getConfiguration().addResource(
"ak/hostadmiral/core/model/User.hbm.xml");
HibernateUtil.getConfiguration().addResource(
"ak/hostadmiral/core/model/UserLogin.hbm.xml");
 
userManager = new UserManager();
}
catch(Exception ex) {
ex.printStackTrace();
throw new RuntimeException(ex.getMessage());
}
}
}
 
static {
register();
}
 
private Collection beforeDeleteListeners = new ArrayList();
private Map loggedinUsers = new WeakHashMap();
 
private UserManager()
{
addBeforeDeleteListener(this);
}
 
public User create(User editor)
throws ModelException
{
if(!allowedToCreate(editor)) throw new ModelSecurityException();
 
return new User();
}
 
public boolean allowedToCreate(User editor)
throws ModelException
{
return User.allowedToCreate(this, editor);
}
 
public User get(User editor, Long id)
throws ModelException
{
User user;
 
try {
user = (User)HibernateUtil.currentSession().load(User.class, id);
}
catch(HibernateException ex)
{
throw new ModelException(ex);
}
 
if(!user.viewableBy(editor))
throw new ModelSecurityException();
 
return user;
}
 
public boolean loginExists(User editor, User user, String login)
throws ModelException
{
try {
if(user.getId() == null)
return ((Integer)HibernateUtil.currentSession().iterate(
"select count(*) from User u where login = ?",
login, Hibernate.STRING)
.next()).intValue() > 0;
else
return ((Integer)HibernateUtil.currentSession().iterate(
"select count(*) from User u where login = ? and u != ?",
new Object[] { login, user },
new Type[] { Hibernate.STRING, Hibernate.entity(User.class) } )
.next()).intValue() > 0;
}
catch(HibernateException ex)
{
throw new ModelException(ex);
}
}
 
public User findForLogin(String login)
throws ModelException
{
try {
List list = HibernateUtil.currentSession().find(
"from User where login = ? and enabled = ?",
new Object[] { login, Boolean.TRUE },
new Type[] { Hibernate.STRING, Hibernate.BOOLEAN } );
 
if(list.size() == 0)
return null;
else
return (User)list.get(0);
}
catch(HibernateException ex)
{
throw new ModelException(ex);
}
}
 
public void save(User editor, User user)
throws ModelException
{
if(!user.editableBy(editor) && !user.partEditableBy(editor)
&& !user.mayChangeSuperuser(editor))
{
throw new ModelSecurityException();
}
 
user.setModUser(editor);
 
try {
HibernateUtil.currentSession().saveOrUpdate(user);
}
catch(HibernateException ex)
{
throw new ModelException(ex);
}
 
// update user if he is logged in
for(Iterator i = loggedinUsers.keySet().iterator(); i.hasNext(); ) {
User u = (User)i.next();
if(u.equals(user))
u.update(user);
}
}
 
public void addBeforeDeleteListener(UserBeforeDeleteListener listener)
{
beforeDeleteListeners.add(listener);
}
 
public void removeBeforeDeleteListener(UserBeforeDeleteListener listener)
{
beforeDeleteListeners.remove(listener);
}
 
public Collection beforeDelete(User editor, User user, Collection known)
throws ModelException
{
Collection cascade = new ArrayList();
 
for(Iterator i = beforeDeleteListeners.iterator(); i.hasNext(); ) {
UserBeforeDeleteListener listener = (UserBeforeDeleteListener)i.next();
Collection subcascade = listener.userBeforeDelete(editor, user, known);
if(subcascade != null)
cascade.addAll(subcascade);
}
 
return cascade;
}
 
public void delete(User editor, User user)
throws ModelException
{
if(!user.deleteableBy(editor))
throw new ModelSecurityException();
 
try {
HibernateUtil.currentSession().delete(user);
}
catch(HibernateException ex)
{
throw new ModelException(ex);
}
}
 
public Collection listUsers(User editor)
throws ModelException
{
try {
if(editor.isSuperuser()) {
return HibernateUtil.currentSession().find("from User");
}
else {
return HibernateUtil.currentSession().find(
"from User u where u = ? or u.boss = ?",
new Object[] { editor, editor},
new Type[] { Hibernate.entity(User.class), Hibernate.entity(User.class) } );
}
}
catch(HibernateException ex)
{
throw new ModelException(ex);
}
}
 
public boolean areUsersAvailable(User editor)
throws ModelException
{
try {
if(editor.isSuperuser()) {
return true;
}
else {
return ((Integer)HibernateUtil.currentSession().iterate(
"select count(*) from User u where u = ? or u.boss = ?",
new Object[] { editor, editor},
new Type[] { Hibernate.entity(User.class), Hibernate.entity(User.class) } )
.next()).intValue() > 0;
}
}
catch(HibernateException ex)
{
throw new ModelException(ex);
}
}
 
public User loginUser(String login, String password, String ip)
throws ModelException
{
User user = (login == null || password == null) ? null : findForLogin(login);
boolean success = (user == null) ? false : user.checkPassword(password);
UserLogin userLogin = new UserLogin(user, login, new Date(), Boolean.valueOf(success), ip);
 
// save login information
try {
HibernateUtil.currentSession().saveOrUpdate(userLogin);
}
catch(HibernateException ex)
{
throw new ModelException(ex);
}
 
if(success) {
loggedinUsers.put(user, Boolean.TRUE);
return user;
}
else {
return null; // wrong login or password
}
}
 
public Collection listFailedLogins(User editor)
throws ModelException
{
if(!editor.mayViewAllLogins())
{
throw new ModelSecurityException();
}
 
try {
return HibernateUtil.currentSession().find(
"from UserLogin where success = ?",
Boolean.FALSE, Hibernate.BOOLEAN);
}
catch(HibernateException ex)
{
throw new ModelException(ex);
}
}
 
public Collection userBeforeDelete(User editor, User user, Collection known)
throws ModelException
{
Collection subusers;
 
try {
subusers = HibernateUtil.currentSession().find(
"from User where boss = ?",
user, Hibernate.entity(User.class) );
}
catch(HibernateException ex)
{
throw new ModelException(ex);
}
 
Collection cascade = new ArrayList();
for(Iterator i = subusers.iterator(); i.hasNext(); ) {
User u = (User)i.next();
if(u.viewableBy(editor)) {
if(u.deleteableBy(editor))
cascade.add(new CascadeDeleteElement(u, CascadeDeleteElement.DELETE,
this.beforeDelete(editor, u, known)));
else
cascade.add(new CascadeDeleteElement(u, CascadeDeleteElement.FORBIDDEN, null));
}
else {
cascade.add(new CascadeDeleteElement(User.createLimitedCopy(u),
CascadeDeleteElement.FORBIDDEN, null));
}
}
 
return cascade;
}
 
public static final Comparator LOGIN_COMPARATOR = new LoginComparator();
public static final Comparator LOGINS_TIME_COMPARATOR = new LoginsTimeComparator();
 
private static class LoginComparator
implements Comparator
{
public int compare(Object o1, Object o2)
{
if(!(o1 instanceof User) || !(o2 instanceof User))
throw new ClassCastException("not a User");
 
User a1 = (User)o1;
User a2 = (User)o2;
 
if(a1 == null && a2 == null)
return 0;
else if(a1 == null && a2 != null)
return -1;
else if(a1 != null && a2 == null)
return 1;
else
return a1.getLogin().compareToIgnoreCase(a2.getLogin());
}
 
public boolean equals(Object obj)
{
return (obj instanceof LoginComparator);
}
}
 
private static class LoginsTimeComparator
implements Comparator
{
public int compare(Object o1, Object o2)
{
if(!(o1 instanceof UserLogin) || !(o2 instanceof UserLogin))
throw new ClassCastException("not a UserLogin");
 
UserLogin a1 = (UserLogin)o1;
UserLogin a2 = (UserLogin)o2;
 
if(a1 == null && a2 == null)
return 0;
else if(a1 == null && a2 != null)
return -1;
else if(a1 != null && a2 == null)
return 1;
else
return a1.getLoginTime().compareTo(a2.getLoginTime());
}
 
public boolean equals(Object obj)
{
return (obj instanceof LoginComparator);
}
}
}