Rev 961 | Rev 1011 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 924 | dev | 1 | package ak.hostadmiral.core.model; |
| 919 | dev | 2 | |
| 3 | import java.util.*; |
||
| 4 | import net.sf.hibernate.*; |
||
| 923 | dev | 5 | import net.sf.hibernate.type.Type; |
| 924 | dev | 6 | import ak.hostadmiral.util.HibernateUtil; |
| 7 | import ak.hostadmiral.util.ModelException; |
||
| 8 | import ak.hostadmiral.util.ModelSecurityException; |
||
| 919 | dev | 9 | |
| 10 | public class SystemUserManager |
||
| 949 | dev | 11 | implements UserBeforeDeleteListener |
| 919 | dev | 12 | { |
| 949 | dev | 13 | private static SystemUserManager systemUserManager = null; |
| 919 | dev | 14 | private static boolean registered = false; |
| 949 | dev | 15 | |
| 16 | public static SystemUserManager getInstance() |
||
| 17 | { |
||
| 18 | return systemUserManager; |
||
| 19 | } |
||
| 20 | |||
| 919 | dev | 21 | protected static void register() |
| 22 | { |
||
| 23 | synchronized(SystemUserManager.class) { |
||
| 24 | if(registered) return; |
||
| 25 | |||
| 26 | registered = true; |
||
| 27 | try { |
||
| 28 | HibernateUtil.getConfiguration().addResource( |
||
| 950 | dev | 29 | "ak/hostadmiral/core/model/SystemUser.hbm.xml"); |
| 949 | dev | 30 | |
| 31 | systemUserManager = new SystemUserManager(); |
||
| 919 | dev | 32 | } |
| 33 | catch(Exception ex) { |
||
| 34 | ex.printStackTrace(); |
||
| 35 | throw new RuntimeException(ex.getMessage()); |
||
| 36 | } |
||
| 37 | } |
||
| 38 | } |
||
| 39 | |||
| 40 | static { |
||
| 41 | register(); |
||
| 42 | } |
||
| 43 | |||
| 949 | dev | 44 | private Collection beforeDeleteListeners = new ArrayList(); |
| 45 | |||
| 919 | dev | 46 | private SystemUserManager() |
| 47 | { |
||
| 949 | dev | 48 | UserManager.getInstance().addBeforeDeleteListener(this); |
| 919 | dev | 49 | } |
| 50 | |||
| 51 | public SystemUser create(User editor) |
||
| 52 | throws ModelException |
||
| 53 | { |
||
| 54 | if(!allowedToCreate(editor)) throw new ModelSecurityException(); |
||
| 55 | |||
| 56 | return new SystemUser(); |
||
| 57 | } |
||
| 58 | |||
| 59 | public boolean allowedToCreate(User editor) |
||
| 60 | throws ModelException |
||
| 61 | { |
||
| 921 | dev | 62 | return SystemUser.allowedToCreate(this, editor); |
| 919 | dev | 63 | } |
| 64 | |||
| 65 | public SystemUser get(User editor, Long id) |
||
| 66 | throws ModelException |
||
| 67 | { |
||
| 68 | SystemUser user; |
||
| 69 | |||
| 70 | try { |
||
| 71 | user = (SystemUser)HibernateUtil.currentSession().load(SystemUser.class, id); |
||
| 72 | } |
||
| 73 | catch(HibernateException ex) |
||
| 74 | { |
||
| 75 | throw new ModelException(ex); |
||
| 76 | } |
||
| 77 | |||
| 78 | if(!user.viewableBy(editor)) |
||
| 79 | throw new ModelSecurityException(); |
||
| 80 | |||
| 81 | return user; |
||
| 82 | } |
||
| 83 | |||
| 923 | dev | 84 | public boolean nameExists(User editor, SystemUser user, String name) |
| 85 | throws ModelException |
||
| 86 | { |
||
| 87 | try { |
||
| 88 | if(user.getId() == null) |
||
| 89 | return ((Integer)HibernateUtil.currentSession().iterate( |
||
| 90 | "select count(*) from SystemUser u where name = ?", |
||
| 91 | name, Hibernate.STRING) |
||
| 92 | .next()).intValue() > 0; |
||
| 93 | else |
||
| 94 | return ((Integer)HibernateUtil.currentSession().iterate( |
||
| 95 | "select count(*) from SystemUser u where name = ? and u != ?", |
||
| 96 | new Object[] { name, user }, |
||
| 97 | new Type[] { Hibernate.STRING, Hibernate.entity(SystemUser.class) } ) |
||
| 98 | .next()).intValue() > 0; |
||
| 99 | } |
||
| 100 | catch(HibernateException ex) |
||
| 101 | { |
||
| 102 | throw new ModelException(ex); |
||
| 103 | } |
||
| 104 | } |
||
| 105 | |||
| 106 | public boolean uidExists(User editor, SystemUser user, Integer uid) |
||
| 107 | throws ModelException |
||
| 108 | { |
||
| 109 | try { |
||
| 110 | if(user.getId() == null) |
||
| 111 | return ((Integer)HibernateUtil.currentSession().iterate( |
||
| 112 | "select count(*) from SystemUser u where uid = ?", |
||
| 113 | uid, Hibernate.INTEGER) |
||
| 114 | .next()).intValue() > 0; |
||
| 115 | else |
||
| 116 | return ((Integer)HibernateUtil.currentSession().iterate( |
||
| 117 | "select count(*) from SystemUser u where uid = ? and u != ?", |
||
| 118 | new Object[] { uid, user }, |
||
| 119 | new Type[] { Hibernate.INTEGER, Hibernate.entity(SystemUser.class) } ) |
||
| 120 | .next()).intValue() > 0; |
||
| 121 | } |
||
| 122 | catch(HibernateException ex) |
||
| 123 | { |
||
| 124 | throw new ModelException(ex); |
||
| 125 | } |
||
| 126 | } |
||
| 127 | |||
| 919 | dev | 128 | protected SystemUser findForName(String name) |
| 129 | throws ModelException |
||
| 130 | { |
||
| 131 | try { |
||
| 132 | List list = HibernateUtil.currentSession().find( |
||
| 133 | "from SystemUser where name=?", name, Hibernate.STRING); |
||
| 134 | |||
| 135 | if(list.size() == 0) |
||
| 136 | return null; |
||
| 137 | else |
||
| 138 | return (SystemUser)list.get(0); |
||
| 139 | } |
||
| 140 | catch(HibernateException ex) |
||
| 141 | { |
||
| 142 | throw new ModelException(ex); |
||
| 143 | } |
||
| 144 | } |
||
| 145 | |||
| 146 | protected SystemUser findForUid(Integer uid) |
||
| 147 | throws ModelException |
||
| 148 | { |
||
| 149 | try { |
||
| 150 | List list = HibernateUtil.currentSession().find( |
||
| 151 | "from SystemUser where uid=?", uid, Hibernate.INTEGER); |
||
| 152 | |||
| 153 | if(list.size() == 0) |
||
| 154 | return null; |
||
| 155 | else |
||
| 156 | return (SystemUser)list.get(0); |
||
| 157 | } |
||
| 158 | catch(HibernateException ex) |
||
| 159 | { |
||
| 160 | throw new ModelException(ex); |
||
| 161 | } |
||
| 162 | } |
||
| 163 | |||
| 164 | public void save(User editor, SystemUser systemUser) |
||
| 165 | throws ModelException |
||
| 166 | { |
||
| 167 | if(!systemUser.editableBy(editor)) |
||
| 168 | throw new ModelSecurityException(); |
||
| 169 | |||
| 1010 | dev | 170 | //systemUser.setModUser(editor); // FIXME |
| 919 | dev | 171 | |
| 172 | try { |
||
| 173 | HibernateUtil.currentSession().saveOrUpdate(systemUser); |
||
| 174 | } |
||
| 175 | catch(HibernateException ex) |
||
| 176 | { |
||
| 177 | throw new ModelException(ex); |
||
| 178 | } |
||
| 179 | } |
||
| 180 | |||
| 949 | dev | 181 | public void addBeforeDeleteListener(SystemUserBeforeDeleteListener listener) |
| 182 | { |
||
| 183 | beforeDeleteListeners.add(listener); |
||
| 184 | } |
||
| 185 | |||
| 186 | public void removeBeforeDeleteListener(SystemUserBeforeDeleteListener listener) |
||
| 187 | { |
||
| 188 | beforeDeleteListeners.remove(listener); |
||
| 189 | } |
||
| 190 | |||
| 191 | public Collection beforeDelete(User editor, SystemUser user, Collection known) |
||
| 192 | throws ModelException |
||
| 193 | { |
||
| 194 | Collection cascade = new ArrayList(); |
||
| 195 | |||
| 196 | for(Iterator i = beforeDeleteListeners.iterator(); i.hasNext(); ) { |
||
| 197 | SystemUserBeforeDeleteListener listener = (SystemUserBeforeDeleteListener)i.next(); |
||
| 198 | Collection subcascade = listener.systemUserBeforeDelete(editor, user, known); |
||
| 199 | if(subcascade != null) |
||
| 200 | cascade.addAll(subcascade); |
||
| 201 | } |
||
| 202 | |||
| 203 | return cascade; |
||
| 204 | } |
||
| 205 | |||
| 919 | dev | 206 | public void delete(User editor, SystemUser systemUser) |
| 207 | throws ModelException |
||
| 208 | { |
||
| 209 | if(!systemUser.deleteableBy(editor)) |
||
| 210 | throw new ModelSecurityException(); |
||
| 211 | |||
| 212 | try { |
||
| 213 | HibernateUtil.currentSession().delete(systemUser); |
||
| 214 | } |
||
| 215 | catch(HibernateException ex) |
||
| 216 | { |
||
| 217 | throw new ModelException(ex); |
||
| 218 | } |
||
| 219 | } |
||
| 220 | |||
| 221 | public Collection listSystemUsers(User editor) |
||
| 222 | throws ModelException |
||
| 223 | { |
||
| 224 | try { |
||
| 225 | if(editor.isSuperuser()) { |
||
| 226 | return HibernateUtil.currentSession().find("from SystemUser"); |
||
| 227 | } |
||
| 228 | else { |
||
| 229 | return HibernateUtil.currentSession().find( |
||
| 230 | "select u from SystemUser u left join u.owner o where o is null or o=?", |
||
| 231 | editor, Hibernate.entity(User.class)); |
||
| 232 | } |
||
| 233 | } |
||
| 234 | catch(HibernateException ex) |
||
| 235 | { |
||
| 236 | throw new ModelException(ex); |
||
| 237 | } |
||
| 238 | } |
||
| 239 | |||
| 240 | public boolean areSystemUsersAvailable(User editor) |
||
| 241 | throws ModelException |
||
| 242 | { |
||
| 243 | try { |
||
| 244 | if(editor.isSuperuser()) |
||
| 245 | return true; |
||
| 246 | else |
||
| 247 | return ((Integer)HibernateUtil.currentSession().iterate( |
||
| 248 | "select count(*) from SystemUser u left join u.owner o where o is null or o=?", |
||
| 249 | editor, Hibernate.entity(User.class)).next()).intValue() > 0; |
||
| 250 | } |
||
| 251 | catch(HibernateException ex) |
||
| 252 | { |
||
| 253 | throw new ModelException(ex); |
||
| 254 | } |
||
| 255 | } |
||
| 256 | |||
| 949 | dev | 257 | public Collection userBeforeDelete(User editor, User user, Collection known) |
| 258 | throws ModelException |
||
| 919 | dev | 259 | { |
| 949 | dev | 260 | Collection systemUsers; |
| 919 | dev | 261 | |
| 949 | dev | 262 | try { |
| 263 | systemUsers = HibernateUtil.currentSession().find( |
||
| 264 | "from SystemUser where owner = ?", |
||
| 265 | user, Hibernate.entity(User.class) ); |
||
| 266 | } |
||
| 267 | catch(HibernateException ex) |
||
| 268 | { |
||
| 269 | throw new ModelException(ex); |
||
| 270 | } |
||
| 271 | |||
| 272 | Collection cascade = new ArrayList(); |
||
| 273 | for(Iterator i = systemUsers.iterator(); i.hasNext(); ) { |
||
| 274 | SystemUser u = (SystemUser)i.next(); |
||
| 275 | if(u.viewableBy(editor)) { |
||
| 276 | if(u.deleteableBy(editor)) |
||
| 277 | cascade.add(new CascadeDeleteElement(u, CascadeDeleteElement.DELETE, |
||
| 278 | this.beforeDelete(editor, u, known))); |
||
| 279 | else |
||
| 280 | cascade.add(new CascadeDeleteElement(u, CascadeDeleteElement.FORBIDDEN, null)); |
||
| 281 | } |
||
| 282 | else { |
||
| 283 | cascade.add(new CascadeDeleteElement(SystemUser.createLimitedCopy(u), |
||
| 284 | CascadeDeleteElement.FORBIDDEN, null)); |
||
| 285 | } |
||
| 286 | } |
||
| 287 | |||
| 288 | return cascade; |
||
| 919 | dev | 289 | } |
| 290 | |||
| 291 | public static final Comparator UID_COMPARATOR = new UidComparator(); |
||
| 292 | public static final Comparator NAME_COMPARATOR = new NameComparator(); |
||
| 293 | |||
| 294 | private static class UidComparator |
||
| 295 | implements Comparator |
||
| 296 | { |
||
| 297 | public int compare(Object o1, Object o2) |
||
| 298 | { |
||
| 299 | if(!(o1 instanceof SystemUser) || !(o2 instanceof SystemUser)) |
||
| 300 | throw new ClassCastException("not a SystemUser"); |
||
| 301 | |||
| 302 | SystemUser a1 = (SystemUser)o1; |
||
| 303 | SystemUser a2 = (SystemUser)o2; |
||
| 304 | |||
| 305 | if(a1 == null && a2 == null) |
||
| 306 | return 0; |
||
| 307 | else if(a1 == null && a2 != null) |
||
| 308 | return -1; |
||
| 309 | else if(a1 != null && a2 == null) |
||
| 310 | return 1; |
||
| 311 | else |
||
| 312 | return a1.getUid().compareTo(a2.getUid()); |
||
| 313 | } |
||
| 314 | |||
| 315 | public boolean equals(Object obj) |
||
| 316 | { |
||
| 317 | return (obj instanceof UidComparator); |
||
| 318 | } |
||
| 319 | } |
||
| 320 | |||
| 321 | private static class NameComparator |
||
| 322 | implements Comparator |
||
| 323 | { |
||
| 324 | public int compare(Object o1, Object o2) |
||
| 325 | { |
||
| 326 | if(!(o1 instanceof SystemUser) || !(o2 instanceof SystemUser)) |
||
| 327 | throw new ClassCastException("not a SystemUser"); |
||
| 328 | |||
| 329 | SystemUser a1 = (SystemUser)o1; |
||
| 330 | SystemUser a2 = (SystemUser)o2; |
||
| 331 | |||
| 332 | if(a1 == null && a2 == null) |
||
| 333 | return 0; |
||
| 334 | else if(a1 == null && a2 != null) |
||
| 335 | return -1; |
||
| 336 | else if(a1 != null && a2 == null) |
||
| 337 | return 1; |
||
| 338 | else |
||
| 339 | return a1.getName().compareToIgnoreCase(a2.getName()); |
||
| 340 | } |
||
| 341 | |||
| 342 | public boolean equals(Object obj) |
||
| 343 | { |
||
| 344 | return (obj instanceof NameComparator); |
||
| 345 | } |
||
| 346 | } |
||
| 347 | } |