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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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| 923 | dev | 5 | import net.sf.hibernate.type.Type; |
| 919 | dev | 6 | import ak.hostcaptain.util.HibernateUtil; |
| 7 | import ak.hostcaptain.util.ModelException; |
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| 8 | import ak.hostcaptain.util.ModelSecurityException; |
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| 9 | |||
| 10 | public class SystemUserManager |
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| 11 | { |
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| 12 | private static boolean registered = false; |
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| 13 | protected static void register() |
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| 14 | { |
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| 15 | synchronized(SystemUserManager.class) { |
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| 16 | if(registered) return; |
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| 17 | |||
| 18 | registered = true; |
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| 19 | try { |
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| 20 | HibernateUtil.getConfiguration().addResource( |
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| 21 | "/ak/hostcaptain/core/model/SystemUser.hbm.xml"); |
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| 22 | } |
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| 23 | catch(Exception ex) { |
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| 24 | ex.printStackTrace(); |
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| 25 | throw new RuntimeException(ex.getMessage()); |
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| 26 | } |
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| 27 | } |
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| 28 | } |
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| 29 | |||
| 30 | static { |
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| 31 | register(); |
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| 32 | } |
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| 33 | |||
| 34 | private SystemUserManager() |
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| 35 | { |
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| 36 | } |
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| 37 | |||
| 38 | public SystemUser create(User editor) |
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| 39 | throws ModelException |
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| 40 | { |
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| 41 | if(!allowedToCreate(editor)) throw new ModelSecurityException(); |
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| 42 | |||
| 43 | return new SystemUser(); |
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| 44 | } |
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| 45 | |||
| 46 | public boolean allowedToCreate(User editor) |
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| 47 | throws ModelException |
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| 48 | { |
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| 921 | dev | 49 | return SystemUser.allowedToCreate(this, editor); |
| 919 | dev | 50 | } |
| 51 | |||
| 52 | public SystemUser get(User editor, Long id) |
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| 53 | throws ModelException |
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| 54 | { |
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| 55 | SystemUser user; |
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| 56 | |||
| 57 | try { |
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| 58 | user = (SystemUser)HibernateUtil.currentSession().load(SystemUser.class, id); |
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| 59 | } |
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| 60 | catch(HibernateException ex) |
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| 61 | { |
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| 62 | throw new ModelException(ex); |
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| 63 | } |
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| 64 | |||
| 65 | if(!user.viewableBy(editor)) |
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| 66 | throw new ModelSecurityException(); |
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| 67 | |||
| 68 | return user; |
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| 69 | } |
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| 70 | |||
| 923 | dev | 71 | public boolean nameExists(User editor, SystemUser user, String name) |
| 72 | throws ModelException |
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| 73 | { |
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| 74 | try { |
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| 75 | if(user.getId() == null) |
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| 76 | return ((Integer)HibernateUtil.currentSession().iterate( |
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| 77 | "select count(*) from SystemUser u where name = ?", |
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| 78 | name, Hibernate.STRING) |
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| 79 | .next()).intValue() > 0; |
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| 80 | else |
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| 81 | return ((Integer)HibernateUtil.currentSession().iterate( |
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| 82 | "select count(*) from SystemUser u where name = ? and u != ?", |
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| 83 | new Object[] { name, user }, |
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| 84 | new Type[] { Hibernate.STRING, Hibernate.entity(SystemUser.class) } ) |
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| 85 | .next()).intValue() > 0; |
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| 86 | } |
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| 87 | catch(HibernateException ex) |
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| 88 | { |
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| 89 | throw new ModelException(ex); |
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| 90 | } |
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| 91 | } |
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| 92 | |||
| 93 | public boolean uidExists(User editor, SystemUser user, Integer uid) |
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| 94 | throws ModelException |
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| 95 | { |
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| 96 | try { |
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| 97 | if(user.getId() == null) |
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| 98 | return ((Integer)HibernateUtil.currentSession().iterate( |
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| 99 | "select count(*) from SystemUser u where uid = ?", |
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| 100 | uid, Hibernate.INTEGER) |
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| 101 | .next()).intValue() > 0; |
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| 102 | else |
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| 103 | return ((Integer)HibernateUtil.currentSession().iterate( |
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| 104 | "select count(*) from SystemUser u where uid = ? and u != ?", |
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| 105 | new Object[] { uid, user }, |
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| 106 | new Type[] { Hibernate.INTEGER, Hibernate.entity(SystemUser.class) } ) |
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| 107 | .next()).intValue() > 0; |
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| 108 | } |
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| 109 | catch(HibernateException ex) |
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| 110 | { |
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| 111 | throw new ModelException(ex); |
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| 112 | } |
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| 113 | } |
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| 114 | |||
| 919 | dev | 115 | protected SystemUser findForName(String name) |
| 116 | throws ModelException |
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| 117 | { |
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| 118 | try { |
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| 119 | List list = HibernateUtil.currentSession().find( |
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| 120 | "from SystemUser where name=?", name, Hibernate.STRING); |
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| 121 | |||
| 122 | if(list.size() == 0) |
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| 123 | return null; |
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| 124 | else |
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| 125 | return (SystemUser)list.get(0); |
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| 126 | } |
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| 127 | catch(HibernateException ex) |
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| 128 | { |
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| 129 | throw new ModelException(ex); |
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| 130 | } |
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| 131 | } |
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| 132 | |||
| 133 | protected SystemUser findForUid(Integer uid) |
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| 134 | throws ModelException |
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| 135 | { |
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| 136 | try { |
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| 137 | List list = HibernateUtil.currentSession().find( |
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| 138 | "from SystemUser where uid=?", uid, Hibernate.INTEGER); |
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| 139 | |||
| 140 | if(list.size() == 0) |
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| 141 | return null; |
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| 142 | else |
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| 143 | return (SystemUser)list.get(0); |
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| 144 | } |
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| 145 | catch(HibernateException ex) |
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| 146 | { |
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| 147 | throw new ModelException(ex); |
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| 148 | } |
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| 149 | } |
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| 150 | |||
| 151 | public void save(User editor, SystemUser systemUser) |
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| 152 | throws ModelException |
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| 153 | { |
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| 154 | if(!systemUser.editableBy(editor)) |
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| 155 | throw new ModelSecurityException(); |
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| 156 | |||
| 157 | systemUser.setModUser(editor); |
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| 158 | |||
| 159 | try { |
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| 160 | HibernateUtil.currentSession().saveOrUpdate(systemUser); |
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| 161 | } |
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| 162 | catch(HibernateException ex) |
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| 163 | { |
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| 164 | throw new ModelException(ex); |
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| 165 | } |
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| 166 | } |
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| 167 | |||
| 168 | public void delete(User editor, SystemUser systemUser) |
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| 169 | throws ModelException |
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| 170 | { |
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| 171 | if(!systemUser.deleteableBy(editor)) |
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| 172 | throw new ModelSecurityException(); |
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| 173 | |||
| 174 | try { |
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| 175 | HibernateUtil.currentSession().delete(systemUser); |
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| 176 | } |
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| 177 | catch(HibernateException ex) |
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| 178 | { |
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| 179 | throw new ModelException(ex); |
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| 180 | } |
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| 181 | } |
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| 182 | |||
| 183 | public Collection listSystemUsers(User editor) |
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| 184 | throws ModelException |
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| 185 | { |
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| 186 | try { |
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| 187 | if(editor.isSuperuser()) { |
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| 188 | return HibernateUtil.currentSession().find("from SystemUser"); |
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| 189 | } |
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| 190 | else { |
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| 191 | return HibernateUtil.currentSession().find( |
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| 192 | "select u from SystemUser u left join u.owner o where o is null or o=?", |
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| 193 | editor, Hibernate.entity(User.class)); |
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| 194 | } |
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| 195 | } |
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| 196 | catch(HibernateException ex) |
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| 197 | { |
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| 198 | throw new ModelException(ex); |
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| 199 | } |
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| 200 | } |
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| 201 | |||
| 202 | public boolean areSystemUsersAvailable(User editor) |
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| 203 | throws ModelException |
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| 204 | { |
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| 205 | try { |
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| 206 | if(editor.isSuperuser()) |
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| 207 | return true; |
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| 208 | else |
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| 209 | return ((Integer)HibernateUtil.currentSession().iterate( |
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| 210 | "select count(*) from SystemUser u left join u.owner o where o is null or o=?", |
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| 211 | editor, Hibernate.entity(User.class)).next()).intValue() > 0; |
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| 212 | } |
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| 213 | catch(HibernateException ex) |
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| 214 | { |
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| 215 | throw new ModelException(ex); |
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| 216 | } |
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| 217 | } |
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| 218 | |||
| 219 | private static SystemUserManager systemUserManager = null; |
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| 220 | |||
| 221 | public static SystemUserManager getInstance() |
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| 222 | { |
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| 223 | if(systemUserManager == null) |
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| 224 | systemUserManager = new SystemUserManager(); |
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| 225 | |||
| 226 | return systemUserManager; |
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| 227 | } |
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| 228 | |||
| 229 | public static final Comparator UID_COMPARATOR = new UidComparator(); |
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| 230 | public static final Comparator NAME_COMPARATOR = new NameComparator(); |
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| 231 | |||
| 232 | private static class UidComparator |
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| 233 | implements Comparator |
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| 234 | { |
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| 235 | public int compare(Object o1, Object o2) |
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| 236 | { |
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| 237 | if(!(o1 instanceof SystemUser) || !(o2 instanceof SystemUser)) |
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| 238 | throw new ClassCastException("not a SystemUser"); |
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| 239 | |||
| 240 | SystemUser a1 = (SystemUser)o1; |
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| 241 | SystemUser a2 = (SystemUser)o2; |
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| 242 | |||
| 243 | if(a1 == null && a2 == null) |
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| 244 | return 0; |
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| 245 | else if(a1 == null && a2 != null) |
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| 246 | return -1; |
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| 247 | else if(a1 != null && a2 == null) |
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| 248 | return 1; |
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| 249 | else |
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| 250 | return a1.getUid().compareTo(a2.getUid()); |
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| 251 | } |
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| 252 | |||
| 253 | public boolean equals(Object obj) |
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| 254 | { |
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| 255 | return (obj instanceof UidComparator); |
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| 256 | } |
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| 257 | } |
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| 258 | |||
| 259 | private static class NameComparator |
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| 260 | implements Comparator |
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| 261 | { |
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| 262 | public int compare(Object o1, Object o2) |
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| 263 | { |
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| 264 | if(!(o1 instanceof SystemUser) || !(o2 instanceof SystemUser)) |
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| 265 | throw new ClassCastException("not a SystemUser"); |
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| 266 | |||
| 267 | SystemUser a1 = (SystemUser)o1; |
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| 268 | SystemUser a2 = (SystemUser)o2; |
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| 269 | |||
| 270 | if(a1 == null && a2 == null) |
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| 271 | return 0; |
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| 272 | else if(a1 == null && a2 != null) |
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| 273 | return -1; |
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| 274 | else if(a1 != null && a2 == null) |
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| 275 | return 1; |
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| 276 | else |
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| 277 | return a1.getName().compareToIgnoreCase(a2.getName()); |
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| 278 | } |
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| 279 | |||
| 280 | public boolean equals(Object obj) |
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| 281 | { |
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| 282 | return (obj instanceof NameComparator); |
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| 283 | } |
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| 284 | } |
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| 285 | } |