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| Rev | Author | Line No. | Line |
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| 919 | dev | 1 | package ak.hostcaptain.core.model; |
| 2 | |||
| 3 | import java.util.*; |
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| 4 | import net.sf.hibernate.*; |
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| 5 | import ak.hostcaptain.util.HibernateUtil; |
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| 6 | import ak.hostcaptain.util.ModelException; |
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| 7 | import ak.hostcaptain.util.ModelSecurityException; |
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| 8 | |||
| 9 | public class SystemUserManager |
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| 10 | { |
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| 11 | private static boolean registered = false; |
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| 12 | protected static void register() |
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| 13 | { |
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| 14 | synchronized(SystemUserManager.class) { |
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| 15 | if(registered) return; |
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| 16 | |||
| 17 | registered = true; |
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| 18 | try { |
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| 19 | HibernateUtil.getConfiguration().addResource( |
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| 20 | "/ak/hostcaptain/core/model/SystemUser.hbm.xml"); |
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| 21 | } |
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| 22 | catch(Exception ex) { |
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| 23 | ex.printStackTrace(); |
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| 24 | throw new RuntimeException(ex.getMessage()); |
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| 25 | } |
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| 26 | } |
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| 27 | } |
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| 28 | |||
| 29 | static { |
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| 30 | register(); |
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| 31 | } |
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| 32 | |||
| 33 | private SystemUserManager() |
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| 34 | { |
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| 35 | } |
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| 36 | |||
| 37 | public SystemUser create(User editor) |
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| 38 | throws ModelException |
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| 39 | { |
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| 40 | if(!allowedToCreate(editor)) throw new ModelSecurityException(); |
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| 41 | |||
| 42 | return new SystemUser(); |
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| 43 | } |
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| 44 | |||
| 45 | public boolean allowedToCreate(User editor) |
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| 46 | throws ModelException |
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| 47 | { |
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| 48 | return editor.isSuperuser(); |
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| 49 | } |
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| 50 | |||
| 51 | public SystemUser get(User editor, Long id) |
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| 52 | throws ModelException |
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| 53 | { |
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| 54 | SystemUser user; |
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| 55 | |||
| 56 | try { |
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| 57 | user = (SystemUser)HibernateUtil.currentSession().load(SystemUser.class, id); |
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| 58 | } |
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| 59 | catch(HibernateException ex) |
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| 60 | { |
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| 61 | throw new ModelException(ex); |
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| 62 | } |
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| 63 | |||
| 64 | if(!user.viewableBy(editor)) |
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| 65 | throw new ModelSecurityException(); |
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| 66 | |||
| 67 | return user; |
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| 68 | } |
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| 69 | |||
| 70 | protected SystemUser findForName(String name) |
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| 71 | throws ModelException |
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| 72 | { |
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| 73 | try { |
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| 74 | List list = HibernateUtil.currentSession().find( |
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| 75 | "from SystemUser where name=?", name, Hibernate.STRING); |
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| 76 | |||
| 77 | if(list.size() == 0) |
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| 78 | return null; |
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| 79 | else |
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| 80 | return (SystemUser)list.get(0); |
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| 81 | } |
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| 82 | catch(HibernateException ex) |
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| 83 | { |
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| 84 | throw new ModelException(ex); |
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| 85 | } |
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| 86 | } |
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| 87 | |||
| 88 | protected SystemUser findForUid(Integer uid) |
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| 89 | throws ModelException |
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| 90 | { |
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| 91 | try { |
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| 92 | List list = HibernateUtil.currentSession().find( |
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| 93 | "from SystemUser where uid=?", uid, Hibernate.INTEGER); |
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| 94 | |||
| 95 | if(list.size() == 0) |
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| 96 | return null; |
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| 97 | else |
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| 98 | return (SystemUser)list.get(0); |
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| 99 | } |
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| 100 | catch(HibernateException ex) |
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| 101 | { |
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| 102 | throw new ModelException(ex); |
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| 103 | } |
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| 104 | } |
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| 105 | |||
| 106 | public void save(User editor, SystemUser systemUser) |
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| 107 | throws ModelException |
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| 108 | { |
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| 109 | if(!systemUser.editableBy(editor)) |
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| 110 | throw new ModelSecurityException(); |
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| 111 | |||
| 112 | systemUser.setModUser(editor); |
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| 113 | |||
| 114 | try { |
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| 115 | HibernateUtil.currentSession().saveOrUpdate(systemUser); |
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| 116 | } |
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| 117 | catch(HibernateException ex) |
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| 118 | { |
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| 119 | throw new ModelException(ex); |
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| 120 | } |
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| 121 | } |
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| 122 | |||
| 123 | public void delete(User editor, SystemUser systemUser) |
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| 124 | throws ModelException |
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| 125 | { |
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| 126 | if(!systemUser.deleteableBy(editor)) |
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| 127 | throw new ModelSecurityException(); |
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| 128 | |||
| 129 | try { |
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| 130 | HibernateUtil.currentSession().delete(systemUser); |
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| 131 | } |
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| 132 | catch(HibernateException ex) |
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| 133 | { |
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| 134 | throw new ModelException(ex); |
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| 135 | } |
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| 136 | } |
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| 137 | |||
| 138 | public Collection listSystemUsers(User editor) |
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| 139 | throws ModelException |
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| 140 | { |
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| 141 | try { |
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| 142 | if(editor.isSuperuser()) { |
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| 143 | return HibernateUtil.currentSession().find("from SystemUser"); |
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| 144 | } |
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| 145 | else { |
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| 146 | return HibernateUtil.currentSession().find( |
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| 147 | "select u from SystemUser u left join u.owner o where o is null or o=?", |
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| 148 | editor, Hibernate.entity(User.class)); |
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| 149 | } |
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| 150 | } |
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| 151 | catch(HibernateException ex) |
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| 152 | { |
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| 153 | throw new ModelException(ex); |
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| 154 | } |
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| 155 | } |
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| 156 | |||
| 157 | public boolean areSystemUsersAvailable(User editor) |
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| 158 | throws ModelException |
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| 159 | { |
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| 160 | try { |
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| 161 | if(editor.isSuperuser()) |
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| 162 | return true; |
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| 163 | else |
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| 164 | return ((Integer)HibernateUtil.currentSession().iterate( |
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| 165 | "select count(*) from SystemUser u left join u.owner o where o is null or o=?", |
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| 166 | editor, Hibernate.entity(User.class)).next()).intValue() > 0; |
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| 167 | } |
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| 168 | catch(HibernateException ex) |
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| 169 | { |
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| 170 | throw new ModelException(ex); |
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| 171 | } |
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| 172 | } |
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| 173 | |||
| 174 | private static SystemUserManager systemUserManager = null; |
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| 175 | |||
| 176 | public static SystemUserManager getInstance() |
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| 177 | { |
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| 178 | if(systemUserManager == null) |
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| 179 | systemUserManager = new SystemUserManager(); |
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| 180 | |||
| 181 | return systemUserManager; |
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| 182 | } |
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| 183 | |||
| 184 | public static final Comparator UID_COMPARATOR = new UidComparator(); |
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| 185 | public static final Comparator NAME_COMPARATOR = new NameComparator(); |
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| 186 | |||
| 187 | private static class UidComparator |
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| 188 | implements Comparator |
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| 189 | { |
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| 190 | public int compare(Object o1, Object o2) |
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| 191 | { |
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| 192 | if(!(o1 instanceof SystemUser) || !(o2 instanceof SystemUser)) |
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| 193 | throw new ClassCastException("not a SystemUser"); |
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| 194 | |||
| 195 | SystemUser a1 = (SystemUser)o1; |
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| 196 | SystemUser a2 = (SystemUser)o2; |
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| 197 | |||
| 198 | if(a1 == null && a2 == null) |
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| 199 | return 0; |
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| 200 | else if(a1 == null && a2 != null) |
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| 201 | return -1; |
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| 202 | else if(a1 != null && a2 == null) |
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| 203 | return 1; |
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| 204 | else |
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| 205 | return a1.getUid().compareTo(a2.getUid()); |
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| 206 | } |
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| 207 | |||
| 208 | public boolean equals(Object obj) |
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| 209 | { |
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| 210 | return (obj instanceof UidComparator); |
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| 211 | } |
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| 212 | } |
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| 213 | |||
| 214 | private static class NameComparator |
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| 215 | implements Comparator |
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| 216 | { |
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| 217 | public int compare(Object o1, Object o2) |
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| 218 | { |
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| 219 | if(!(o1 instanceof SystemUser) || !(o2 instanceof SystemUser)) |
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| 220 | throw new ClassCastException("not a SystemUser"); |
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| 221 | |||
| 222 | SystemUser a1 = (SystemUser)o1; |
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| 223 | SystemUser a2 = (SystemUser)o2; |
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| 224 | |||
| 225 | if(a1 == null && a2 == null) |
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| 226 | return 0; |
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| 227 | else if(a1 == null && a2 != null) |
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| 228 | return -1; |
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| 229 | else if(a1 != null && a2 == null) |
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| 230 | return 1; |
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| 231 | else |
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| 232 | return a1.getName().compareToIgnoreCase(a2.getName()); |
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| 233 | } |
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| 234 | |||
| 235 | public boolean equals(Object obj) |
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| 236 | { |
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| 237 | return (obj instanceof NameComparator); |
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| 238 | } |
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| 239 | } |
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| 240 | } |