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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 904 | dev | 1 | package ak.hostcaptain.core.model; |
| 899 | dev | 2 | |
| 3 | import java.util.*; |
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| 4 | import net.sf.hibernate.*; |
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| 904 | dev | 5 | import ak.hostcaptain.util.HibernateUtil; |
| 6 | import ak.hostcaptain.util.ModelException; |
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| 914 | dev | 7 | import ak.hostcaptain.util.ModelSecurityException; |
| 899 | dev | 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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| 904 | dev | 20 | "/ak/hostcaptain/core/model/SystemUser.hbm.xml"); |
| 899 | dev | 21 | } |
| 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 | |||
| 914 | dev | 37 | public SystemUser create(User editor) |
| 38 | throws ModelException |
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| 899 | dev | 39 | { |
| 914 | dev | 40 | if(!allowedToCreate(editor)) throw new ModelSecurityException(); |
| 41 | |||
| 899 | dev | 42 | return new SystemUser(); |
| 43 | } |
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| 44 | |||
| 914 | dev | 45 | public boolean allowedToCreate(User editor) |
| 899 | dev | 46 | throws ModelException |
| 47 | { |
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| 914 | dev | 48 | return editor.isSuperuser(); |
| 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 | |||
| 899 | dev | 56 | try { |
| 914 | dev | 57 | user = (SystemUser)HibernateUtil.currentSession().load(SystemUser.class, id); |
| 899 | dev | 58 | } |
| 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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| 914 | dev | 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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| 899 | dev | 68 | } |
| 69 | |||
| 914 | dev | 70 | protected SystemUser findForName(String name) |
| 899 | dev | 71 | throws ModelException |
| 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 | |||
| 914 | dev | 88 | protected SystemUser findForUid(Integer uid) |
| 899 | dev | 89 | throws ModelException |
| 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 | |||
| 914 | dev | 106 | public void save(User editor, SystemUser systemUser) |
| 899 | dev | 107 | throws ModelException |
| 108 | { |
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| 914 | dev | 109 | if(!systemUser.editableBy(editor)) |
| 110 | throw new ModelSecurityException(); |
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| 111 | |||
| 899 | dev | 112 | try { |
| 113 | HibernateUtil.currentSession().saveOrUpdate(systemUser); |
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| 114 | } |
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| 115 | catch(HibernateException ex) |
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| 116 | { |
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| 117 | throw new ModelException(ex); |
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| 118 | } |
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| 119 | } |
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| 120 | |||
| 914 | dev | 121 | public void delete(User editor, SystemUser systemUser) |
| 899 | dev | 122 | throws ModelException |
| 123 | { |
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| 914 | dev | 124 | if(!systemUser.deleteableBy(editor)) |
| 125 | throw new ModelSecurityException(); |
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| 126 | |||
| 899 | dev | 127 | try { |
| 128 | HibernateUtil.currentSession().delete(systemUser); |
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| 129 | } |
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| 130 | catch(HibernateException ex) |
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| 131 | { |
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| 132 | throw new ModelException(ex); |
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| 133 | } |
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| 134 | } |
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| 135 | |||
| 914 | dev | 136 | public Collection listSystemUsers(User editor) |
| 899 | dev | 137 | throws ModelException |
| 138 | { |
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| 139 | try { |
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| 914 | dev | 140 | if(editor.isSuperuser()) |
| 141 | return HibernateUtil.currentSession().find("from SystemUser"); |
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| 142 | else |
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| 143 | return HibernateUtil.currentSession().find( |
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| 144 | "select u from SystemUser u left join u.owner o where o is null or o=?", |
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| 145 | editor, Hibernate.entity(User.class)); |
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| 899 | dev | 146 | } |
| 147 | catch(HibernateException ex) |
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| 148 | { |
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| 149 | throw new ModelException(ex); |
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| 150 | } |
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| 151 | } |
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| 152 | |||
| 914 | dev | 153 | public boolean areSystemUsersAvailable(User editor) |
| 154 | throws ModelException |
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| 155 | { |
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| 156 | try { |
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| 157 | if(editor.isSuperuser()) |
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| 158 | return true; |
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| 159 | else |
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| 160 | return ((Integer)HibernateUtil.currentSession().iterate( |
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| 161 | "select count(*) from SystemUser u left join u.owner o where o is null or o=?", |
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| 162 | editor, Hibernate.entity(User.class)).next()).intValue() > 0; |
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| 163 | } |
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| 164 | catch(HibernateException ex) |
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| 165 | { |
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| 166 | throw new ModelException(ex); |
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| 167 | } |
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| 168 | } |
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| 169 | |||
| 899 | dev | 170 | private static SystemUserManager systemUserManager = null; |
| 171 | |||
| 172 | public static SystemUserManager getInstance() |
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| 173 | { |
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| 174 | if(systemUserManager == null) |
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| 175 | systemUserManager = new SystemUserManager(); |
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| 176 | |||
| 177 | return systemUserManager; |
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| 178 | } |
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| 179 | |||
| 180 | public static final Comparator UID_COMPARATOR = new UidComparator(); |
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| 181 | public static final Comparator NAME_COMPARATOR = new NameComparator(); |
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| 182 | |||
| 183 | private static class UidComparator |
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| 184 | implements Comparator |
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| 185 | { |
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| 186 | public int compare(Object o1, Object o2) |
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| 187 | { |
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| 188 | if(!(o1 instanceof SystemUser) || !(o2 instanceof SystemUser)) |
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| 189 | throw new ClassCastException("not a SystemUser"); |
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| 190 | |||
| 191 | SystemUser a1 = (SystemUser)o1; |
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| 192 | SystemUser a2 = (SystemUser)o2; |
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| 193 | |||
| 194 | if(a1 == null && a2 == null) |
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| 195 | return 0; |
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| 196 | else if(a1 == null && a2 != null) |
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| 197 | return -1; |
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| 198 | else if(a1 != null && a2 == null) |
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| 199 | return 1; |
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| 200 | else |
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| 201 | return a1.getUid().compareTo(a2.getUid()); |
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| 202 | } |
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| 203 | |||
| 204 | public boolean equals(Object obj) |
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| 205 | { |
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| 206 | return (obj instanceof UidComparator); |
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| 207 | } |
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| 208 | } |
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| 209 | |||
| 210 | private static class NameComparator |
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| 211 | implements Comparator |
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| 212 | { |
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| 213 | public int compare(Object o1, Object o2) |
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| 214 | { |
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| 215 | if(!(o1 instanceof SystemUser) || !(o2 instanceof SystemUser)) |
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| 216 | throw new ClassCastException("not a SystemUser"); |
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| 217 | |||
| 218 | SystemUser a1 = (SystemUser)o1; |
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| 219 | SystemUser a2 = (SystemUser)o2; |
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| 220 | |||
| 221 | if(a1 == null && a2 == null) |
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| 222 | return 0; |
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| 223 | else if(a1 == null && a2 != null) |
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| 224 | return -1; |
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| 225 | else if(a1 != null && a2 == null) |
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| 226 | return 1; |
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| 227 | else |
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| 228 | return a1.getName().compareToIgnoreCase(a2.getName()); |
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| 229 | } |
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| 230 | |||
| 231 | public boolean equals(Object obj) |
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| 232 | { |
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| 233 | return (obj instanceof NameComparator); |
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| 234 | } |
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| 235 | } |
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| 236 | } |