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Rev | Author | Line No. | Line |
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924 | dev | 1 | package ak.hostadmiral.core.model; |
919 | dev | 2 | |
1041 | dev | 3 | import java.util.Collection; |
4 | import java.util.ArrayList; |
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5 | import java.util.Iterator; |
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6 | import java.util.Map; |
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7 | import java.util.Comparator; |
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8 | |||
9 | import ak.hostadmiral.util.ConfigInit; |
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1028 | dev | 10 | import ak.hostadmiral.util.CollectionInfo; |
924 | dev | 11 | import ak.hostadmiral.util.ModelException; |
12 | import ak.hostadmiral.util.ModelSecurityException; |
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1041 | dev | 13 | import ak.hostadmiral.core.model.store.SystemUserStore; |
919 | dev | 14 | |
15 | public class SystemUserManager |
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1014 | dev | 16 | implements |
1041 | dev | 17 | ConfigInit, |
1014 | dev | 18 | UserBeforeDeleteListener, |
19 | UserDeletingListener |
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919 | dev | 20 | { |
1041 | dev | 21 | private SystemUserStore store; |
949 | dev | 22 | |
1011 | dev | 23 | private Collection createdListeners = new ArrayList(); |
24 | private Collection modifiedListeners = new ArrayList(); |
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949 | dev | 25 | private Collection beforeDeleteListeners = new ArrayList(); |
1014 | dev | 26 | private Collection deletingListeners = new ArrayList(); |
1011 | dev | 27 | private Collection deletedListeners = new ArrayList(); |
949 | dev | 28 | |
1041 | dev | 29 | public SystemUserManager() |
30 | throws ModelException |
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919 | dev | 31 | { |
949 | dev | 32 | UserManager.getInstance().addBeforeDeleteListener(this); |
919 | dev | 33 | } |
34 | |||
35 | public SystemUser create(User editor) |
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36 | throws ModelException |
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37 | { |
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38 | if(!allowedToCreate(editor)) throw new ModelSecurityException(); |
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39 | |||
40 | return new SystemUser(); |
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41 | } |
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42 | |||
43 | public boolean allowedToCreate(User editor) |
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44 | throws ModelException |
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45 | { |
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921 | dev | 46 | return SystemUser.allowedToCreate(this, editor); |
919 | dev | 47 | } |
48 | |||
49 | public SystemUser get(User editor, Long id) |
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50 | throws ModelException |
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51 | { |
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1041 | dev | 52 | SystemUser user = store.get(id); |
919 | dev | 53 | |
54 | if(!user.viewableBy(editor)) |
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55 | throw new ModelSecurityException(); |
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56 | |||
57 | return user; |
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58 | } |
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59 | |||
923 | dev | 60 | public boolean nameExists(User editor, SystemUser user, String name) |
61 | throws ModelException |
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62 | { |
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1041 | dev | 63 | return store.nameExists(user, name); |
923 | dev | 64 | } |
65 | |||
66 | public boolean uidExists(User editor, SystemUser user, Integer uid) |
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67 | throws ModelException |
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68 | { |
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1041 | dev | 69 | return store.uidExists(user, uid); |
923 | dev | 70 | } |
71 | |||
1041 | dev | 72 | public SystemUser findForName(User editor, String name) |
919 | dev | 73 | throws ModelException |
74 | { |
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1041 | dev | 75 | SystemUser user = store.findForName(name); |
919 | dev | 76 | |
1041 | dev | 77 | if(user != null && !user.viewableBy(editor)) |
78 | throw new ModelSecurityException(); |
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79 | |||
80 | return user; |
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919 | dev | 81 | } |
82 | |||
1041 | dev | 83 | public SystemUser findForUid(User editor, Integer uid) |
919 | dev | 84 | throws ModelException |
85 | { |
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1041 | dev | 86 | SystemUser user = store.findForUid(uid); |
919 | dev | 87 | |
1041 | dev | 88 | if(user != null && !user.viewableBy(editor)) |
89 | throw new ModelSecurityException(); |
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90 | |||
91 | return user; |
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919 | dev | 92 | } |
93 | |||
94 | public void save(User editor, SystemUser systemUser) |
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95 | throws ModelException |
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96 | { |
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97 | if(!systemUser.editableBy(editor)) |
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98 | throw new ModelSecurityException(); |
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99 | |||
1011 | dev | 100 | boolean isNew = systemUser.isNew(); |
101 | |||
1010 | dev | 102 | //systemUser.setModUser(editor); // FIXME |
919 | dev | 103 | |
1041 | dev | 104 | store.save(systemUser); |
1011 | dev | 105 | |
106 | // inform listeners |
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107 | if(isNew) { |
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108 | for(Iterator i = createdListeners.iterator(); i.hasNext(); ) { |
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109 | SystemUserCreatedListener listener = (SystemUserCreatedListener)i.next(); |
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110 | listener.systemUserCreated(editor, systemUser); |
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111 | } |
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112 | } |
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113 | else { |
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114 | SystemUser oldSystemUser = systemUser.getOrigin(); |
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115 | if(oldSystemUser == null) oldSystemUser = systemUser; |
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116 | for(Iterator i = modifiedListeners.iterator(); i.hasNext(); ) { |
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117 | SystemUserModifiedListener listener = (SystemUserModifiedListener)i.next(); |
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118 | listener.systemUserModified(editor, systemUser, oldSystemUser); |
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119 | } |
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120 | } |
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919 | dev | 121 | } |
122 | |||
1011 | dev | 123 | public void addCreatedListener(SystemUserCreatedListener listener) |
124 | { |
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125 | createdListeners.add(listener); |
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126 | } |
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127 | |||
128 | public void removeCreatedListener(SystemUserCreatedListener listener) |
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129 | { |
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130 | createdListeners.remove(listener); |
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131 | } |
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132 | |||
133 | public void addModifiedListener(SystemUserModifiedListener listener) |
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134 | { |
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135 | modifiedListeners.add(listener); |
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136 | } |
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137 | |||
138 | public void removeModifiedListener(SystemUserModifiedListener listener) |
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139 | { |
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140 | modifiedListeners.remove(listener); |
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141 | } |
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142 | |||
949 | dev | 143 | public void addBeforeDeleteListener(SystemUserBeforeDeleteListener listener) |
144 | { |
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145 | beforeDeleteListeners.add(listener); |
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146 | } |
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147 | |||
148 | public void removeBeforeDeleteListener(SystemUserBeforeDeleteListener listener) |
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149 | { |
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150 | beforeDeleteListeners.remove(listener); |
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151 | } |
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152 | |||
1014 | dev | 153 | public void addDeletingListener(SystemUserDeletingListener listener) |
154 | { |
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155 | deletingListeners.add(listener); |
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156 | } |
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157 | |||
158 | public void removeDeletingListener(SystemUserDeletingListener listener) |
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159 | { |
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160 | deletingListeners.remove(listener); |
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161 | } |
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162 | |||
1011 | dev | 163 | public void addDeletedListener(SystemUserDeletedListener listener) |
164 | { |
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165 | deletedListeners.add(listener); |
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166 | } |
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167 | |||
168 | public void removeDeletedListener(SystemUserDeletedListener listener) |
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169 | { |
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170 | deletedListeners.remove(listener); |
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171 | } |
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172 | |||
949 | dev | 173 | public Collection beforeDelete(User editor, SystemUser user, Collection known) |
174 | throws ModelException |
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175 | { |
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176 | Collection cascade = new ArrayList(); |
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177 | |||
178 | for(Iterator i = beforeDeleteListeners.iterator(); i.hasNext(); ) { |
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179 | SystemUserBeforeDeleteListener listener = (SystemUserBeforeDeleteListener)i.next(); |
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180 | Collection subcascade = listener.systemUserBeforeDelete(editor, user, known); |
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181 | if(subcascade != null) |
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182 | cascade.addAll(subcascade); |
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183 | } |
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184 | |||
185 | return cascade; |
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186 | } |
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187 | |||
919 | dev | 188 | public void delete(User editor, SystemUser systemUser) |
189 | throws ModelException |
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190 | { |
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1011 | dev | 191 | // check rights |
919 | dev | 192 | if(!systemUser.deleteableBy(editor)) |
193 | throw new ModelSecurityException(); |
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194 | |||
1014 | dev | 195 | // inform deleting listeners |
196 | for(Iterator i = deletingListeners.iterator(); i.hasNext(); ) { |
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197 | SystemUserDeletingListener listener = (SystemUserDeletingListener)i.next(); |
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198 | listener.systemUserDeleting(editor, systemUser); |
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199 | } |
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200 | |||
1011 | dev | 201 | // backup copy |
202 | SystemUser oldSystemUser = new SystemUser(systemUser); |
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203 | |||
204 | // delete it |
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1041 | dev | 205 | store.delete(systemUser); |
1011 | dev | 206 | |
1014 | dev | 207 | // inform deleted listeners |
1011 | dev | 208 | for(Iterator i = deletedListeners.iterator(); i.hasNext(); ) { |
209 | SystemUserDeletedListener listener = (SystemUserDeletedListener)i.next(); |
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210 | listener.systemUserDeleted(editor, oldSystemUser); |
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211 | } |
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919 | dev | 212 | } |
213 | |||
214 | public Collection listSystemUsers(User editor) |
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215 | throws ModelException |
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216 | { |
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1028 | dev | 217 | return listSystemUsers(null, 0, 0, null, editor); |
218 | } |
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219 | |||
220 | public Collection listSystemUsers(CollectionInfo info, int rowsPerPage, int pageNumber, |
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221 | Integer[] sortingKeys, User editor) |
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222 | throws ModelException |
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223 | { |
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1041 | dev | 224 | if(editor.isSuperuser()) |
225 | return store.listAllSystemUsers(info, rowsPerPage, pageNumber, sortingKeys); |
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226 | else |
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227 | return store.listSystemUsers(info, rowsPerPage, pageNumber, sortingKeys, editor); |
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919 | dev | 228 | } |
229 | |||
230 | public boolean areSystemUsersAvailable(User editor) |
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231 | throws ModelException |
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232 | { |
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1041 | dev | 233 | if(editor.isSuperuser()) |
234 | return true; |
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235 | else |
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236 | return store.countSystemUsersAvailable(editor) > 0; |
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919 | dev | 237 | } |
238 | |||
949 | dev | 239 | public Collection userBeforeDelete(User editor, User user, Collection known) |
240 | throws ModelException |
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919 | dev | 241 | { |
1041 | dev | 242 | Collection systemUsers = store.listOwnSystemUsers(user); |
919 | dev | 243 | |
949 | dev | 244 | Collection cascade = new ArrayList(); |
245 | for(Iterator i = systemUsers.iterator(); i.hasNext(); ) { |
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246 | SystemUser u = (SystemUser)i.next(); |
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247 | if(u.viewableBy(editor)) { |
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248 | if(u.deleteableBy(editor)) |
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249 | cascade.add(new CascadeDeleteElement(u, CascadeDeleteElement.DELETE, |
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250 | this.beforeDelete(editor, u, known))); |
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251 | else |
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252 | cascade.add(new CascadeDeleteElement(u, CascadeDeleteElement.FORBIDDEN, null)); |
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253 | } |
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254 | else { |
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255 | cascade.add(new CascadeDeleteElement(SystemUser.createLimitedCopy(u), |
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256 | CascadeDeleteElement.FORBIDDEN, null)); |
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257 | } |
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258 | } |
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259 | |||
260 | return cascade; |
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919 | dev | 261 | } |
262 | |||
1014 | dev | 263 | public void userDeleting(User editor, User user) |
264 | throws ModelException |
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265 | { |
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1041 | dev | 266 | Collection systemUsers = store.listOwnSystemUsers(user); |
1014 | dev | 267 | |
268 | for(Iterator i = systemUsers.iterator(); i.hasNext(); ) { |
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269 | delete(editor, (SystemUser)i.next()); |
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270 | } |
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271 | } |
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272 | |||
1028 | dev | 273 | public static final Integer SORT_UID = new Integer(1); |
274 | public static final Integer SORT_NAME = new Integer(2); |
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275 | |||
919 | dev | 276 | public static final Comparator UID_COMPARATOR = new UidComparator(); |
277 | public static final Comparator NAME_COMPARATOR = new NameComparator(); |
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278 | |||
279 | private static class UidComparator |
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280 | implements Comparator |
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281 | { |
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282 | public int compare(Object o1, Object o2) |
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283 | { |
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284 | if(!(o1 instanceof SystemUser) || !(o2 instanceof SystemUser)) |
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285 | throw new ClassCastException("not a SystemUser"); |
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286 | |||
287 | SystemUser a1 = (SystemUser)o1; |
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288 | SystemUser a2 = (SystemUser)o2; |
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289 | |||
290 | if(a1 == null && a2 == null) |
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291 | return 0; |
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292 | else if(a1 == null && a2 != null) |
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293 | return -1; |
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294 | else if(a1 != null && a2 == null) |
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295 | return 1; |
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296 | else |
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297 | return a1.getUid().compareTo(a2.getUid()); |
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298 | } |
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299 | |||
300 | public boolean equals(Object obj) |
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301 | { |
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302 | return (obj instanceof UidComparator); |
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303 | } |
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304 | } |
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305 | |||
306 | private static class NameComparator |
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307 | implements Comparator |
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308 | { |
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309 | public int compare(Object o1, Object o2) |
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310 | { |
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311 | if(!(o1 instanceof SystemUser) || !(o2 instanceof SystemUser)) |
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312 | throw new ClassCastException("not a SystemUser"); |
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313 | |||
314 | SystemUser a1 = (SystemUser)o1; |
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315 | SystemUser a2 = (SystemUser)o2; |
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316 | |||
317 | if(a1 == null && a2 == null) |
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318 | return 0; |
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319 | else if(a1 == null && a2 != null) |
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320 | return -1; |
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321 | else if(a1 != null && a2 == null) |
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322 | return 1; |
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323 | else |
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324 | return a1.getName().compareToIgnoreCase(a2.getName()); |
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325 | } |
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326 | |||
327 | public boolean equals(Object obj) |
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328 | { |
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329 | return (obj instanceof NameComparator); |
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330 | } |
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331 | } |
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1041 | dev | 332 | |
333 | public void init(Map params) |
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334 | throws ModelException |
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335 | { |
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336 | try { |
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337 | systemUserManager = this; |
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338 | |||
339 | Class c = Class.forName((String)params.get("store")); |
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340 | store = (SystemUserStore)c.newInstance(); |
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341 | } |
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342 | catch(Exception ex) { |
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343 | throw new ModelException(ex); |
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344 | } |
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345 | } |
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346 | |||
347 | private static SystemUserManager systemUserManager = null; |
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348 | |||
349 | public static SystemUserManager getInstance() |
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350 | { |
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351 | return systemUserManager; |
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352 | } |
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919 | dev | 353 | } |