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Rev | Author | Line No. | Line |
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924 | dev | 1 | package ak.hostadmiral.core.model; |
919 | dev | 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; |
1028 | dev | 6 | import ak.hostadmiral.util.CollectionInfo; |
924 | dev | 7 | import ak.hostadmiral.util.HibernateUtil; |
8 | import ak.hostadmiral.util.ModelException; |
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9 | import ak.hostadmiral.util.ModelSecurityException; |
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919 | dev | 10 | |
11 | public class SystemUserManager |
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1014 | dev | 12 | implements |
13 | UserBeforeDeleteListener, |
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14 | UserDeletingListener |
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919 | dev | 15 | { |
949 | dev | 16 | private static SystemUserManager systemUserManager = null; |
919 | dev | 17 | private static boolean registered = false; |
949 | dev | 18 | |
19 | public static SystemUserManager getInstance() |
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20 | { |
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21 | return systemUserManager; |
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22 | } |
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23 | |||
919 | dev | 24 | protected static void register() |
25 | { |
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26 | synchronized(SystemUserManager.class) { |
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27 | if(registered) return; |
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28 | |||
29 | registered = true; |
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30 | try { |
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31 | HibernateUtil.getConfiguration().addResource( |
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950 | dev | 32 | "ak/hostadmiral/core/model/SystemUser.hbm.xml"); |
949 | dev | 33 | |
34 | systemUserManager = new SystemUserManager(); |
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919 | dev | 35 | } |
36 | catch(Exception ex) { |
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37 | ex.printStackTrace(); |
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38 | throw new RuntimeException(ex.getMessage()); |
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39 | } |
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40 | } |
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41 | } |
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42 | |||
43 | static { |
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44 | register(); |
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45 | } |
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46 | |||
1011 | dev | 47 | private Collection createdListeners = new ArrayList(); |
48 | private Collection modifiedListeners = new ArrayList(); |
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949 | dev | 49 | private Collection beforeDeleteListeners = new ArrayList(); |
1014 | dev | 50 | private Collection deletingListeners = new ArrayList(); |
1011 | dev | 51 | private Collection deletedListeners = new ArrayList(); |
949 | dev | 52 | |
919 | dev | 53 | private SystemUserManager() |
54 | { |
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949 | dev | 55 | UserManager.getInstance().addBeforeDeleteListener(this); |
919 | dev | 56 | } |
57 | |||
58 | public SystemUser create(User editor) |
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59 | throws ModelException |
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60 | { |
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61 | if(!allowedToCreate(editor)) throw new ModelSecurityException(); |
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62 | |||
63 | return new SystemUser(); |
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64 | } |
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65 | |||
66 | public boolean allowedToCreate(User editor) |
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67 | throws ModelException |
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68 | { |
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921 | dev | 69 | return SystemUser.allowedToCreate(this, editor); |
919 | dev | 70 | } |
71 | |||
72 | public SystemUser get(User editor, Long id) |
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73 | throws ModelException |
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74 | { |
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75 | SystemUser user; |
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76 | |||
77 | try { |
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78 | user = (SystemUser)HibernateUtil.currentSession().load(SystemUser.class, id); |
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79 | } |
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80 | catch(HibernateException ex) |
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81 | { |
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82 | throw new ModelException(ex); |
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83 | } |
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84 | |||
85 | if(!user.viewableBy(editor)) |
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86 | throw new ModelSecurityException(); |
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87 | |||
88 | return user; |
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89 | } |
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90 | |||
923 | dev | 91 | public boolean nameExists(User editor, SystemUser user, String name) |
92 | throws ModelException |
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93 | { |
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94 | try { |
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95 | if(user.getId() == null) |
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96 | return ((Integer)HibernateUtil.currentSession().iterate( |
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97 | "select count(*) from SystemUser u where name = ?", |
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98 | name, Hibernate.STRING) |
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99 | .next()).intValue() > 0; |
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100 | else |
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101 | return ((Integer)HibernateUtil.currentSession().iterate( |
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102 | "select count(*) from SystemUser u where name = ? and u != ?", |
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103 | new Object[] { name, user }, |
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104 | new Type[] { Hibernate.STRING, Hibernate.entity(SystemUser.class) } ) |
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105 | .next()).intValue() > 0; |
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106 | } |
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107 | catch(HibernateException ex) |
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108 | { |
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109 | throw new ModelException(ex); |
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110 | } |
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111 | } |
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112 | |||
113 | public boolean uidExists(User editor, SystemUser user, Integer uid) |
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114 | throws ModelException |
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115 | { |
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116 | try { |
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117 | if(user.getId() == null) |
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118 | return ((Integer)HibernateUtil.currentSession().iterate( |
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119 | "select count(*) from SystemUser u where uid = ?", |
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120 | uid, Hibernate.INTEGER) |
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121 | .next()).intValue() > 0; |
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122 | else |
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123 | return ((Integer)HibernateUtil.currentSession().iterate( |
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124 | "select count(*) from SystemUser u where uid = ? and u != ?", |
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125 | new Object[] { uid, user }, |
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126 | new Type[] { Hibernate.INTEGER, Hibernate.entity(SystemUser.class) } ) |
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127 | .next()).intValue() > 0; |
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128 | } |
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129 | catch(HibernateException ex) |
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130 | { |
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131 | throw new ModelException(ex); |
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132 | } |
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133 | } |
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134 | |||
919 | dev | 135 | protected SystemUser findForName(String name) |
136 | throws ModelException |
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137 | { |
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138 | try { |
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139 | List list = HibernateUtil.currentSession().find( |
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1018 | dev | 140 | "select u from SystemUser u left join fetch u.owner where u.name=?", |
141 | name, Hibernate.STRING); |
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919 | dev | 142 | |
143 | if(list.size() == 0) |
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144 | return null; |
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145 | else |
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146 | return (SystemUser)list.get(0); |
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147 | } |
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148 | catch(HibernateException ex) |
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149 | { |
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150 | throw new ModelException(ex); |
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151 | } |
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152 | } |
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153 | |||
154 | protected SystemUser findForUid(Integer uid) |
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155 | throws ModelException |
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156 | { |
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157 | try { |
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158 | List list = HibernateUtil.currentSession().find( |
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1018 | dev | 159 | "select u from SystemUser u left join fetch u.owner where u.uid=?", |
160 | uid, Hibernate.INTEGER); |
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919 | dev | 161 | |
162 | if(list.size() == 0) |
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163 | return null; |
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164 | else |
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165 | return (SystemUser)list.get(0); |
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166 | } |
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167 | catch(HibernateException ex) |
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168 | { |
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169 | throw new ModelException(ex); |
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170 | } |
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171 | } |
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172 | |||
173 | public void save(User editor, SystemUser systemUser) |
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174 | throws ModelException |
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175 | { |
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176 | if(!systemUser.editableBy(editor)) |
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177 | throw new ModelSecurityException(); |
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178 | |||
1011 | dev | 179 | boolean isNew = systemUser.isNew(); |
180 | |||
1010 | dev | 181 | //systemUser.setModUser(editor); // FIXME |
919 | dev | 182 | |
183 | try { |
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184 | HibernateUtil.currentSession().saveOrUpdate(systemUser); |
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185 | } |
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186 | catch(HibernateException ex) |
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187 | { |
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188 | throw new ModelException(ex); |
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189 | } |
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1011 | dev | 190 | |
191 | // inform listeners |
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192 | if(isNew) { |
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193 | for(Iterator i = createdListeners.iterator(); i.hasNext(); ) { |
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194 | SystemUserCreatedListener listener = (SystemUserCreatedListener)i.next(); |
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195 | listener.systemUserCreated(editor, systemUser); |
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196 | } |
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197 | } |
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198 | else { |
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199 | SystemUser oldSystemUser = systemUser.getOrigin(); |
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200 | if(oldSystemUser == null) oldSystemUser = systemUser; |
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201 | for(Iterator i = modifiedListeners.iterator(); i.hasNext(); ) { |
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202 | SystemUserModifiedListener listener = (SystemUserModifiedListener)i.next(); |
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203 | listener.systemUserModified(editor, systemUser, oldSystemUser); |
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204 | } |
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205 | } |
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919 | dev | 206 | } |
207 | |||
1011 | dev | 208 | public void addCreatedListener(SystemUserCreatedListener listener) |
209 | { |
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210 | createdListeners.add(listener); |
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211 | } |
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212 | |||
213 | public void removeCreatedListener(SystemUserCreatedListener listener) |
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214 | { |
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215 | createdListeners.remove(listener); |
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216 | } |
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217 | |||
218 | public void addModifiedListener(SystemUserModifiedListener listener) |
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219 | { |
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220 | modifiedListeners.add(listener); |
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221 | } |
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222 | |||
223 | public void removeModifiedListener(SystemUserModifiedListener listener) |
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224 | { |
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225 | modifiedListeners.remove(listener); |
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226 | } |
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227 | |||
949 | dev | 228 | public void addBeforeDeleteListener(SystemUserBeforeDeleteListener listener) |
229 | { |
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230 | beforeDeleteListeners.add(listener); |
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231 | } |
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232 | |||
233 | public void removeBeforeDeleteListener(SystemUserBeforeDeleteListener listener) |
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234 | { |
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235 | beforeDeleteListeners.remove(listener); |
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236 | } |
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237 | |||
1014 | dev | 238 | public void addDeletingListener(SystemUserDeletingListener listener) |
239 | { |
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240 | deletingListeners.add(listener); |
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241 | } |
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242 | |||
243 | public void removeDeletingListener(SystemUserDeletingListener listener) |
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244 | { |
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245 | deletingListeners.remove(listener); |
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246 | } |
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247 | |||
1011 | dev | 248 | public void addDeletedListener(SystemUserDeletedListener listener) |
249 | { |
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250 | deletedListeners.add(listener); |
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251 | } |
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252 | |||
253 | public void removeDeletedListener(SystemUserDeletedListener listener) |
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254 | { |
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255 | deletedListeners.remove(listener); |
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256 | } |
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257 | |||
949 | dev | 258 | public Collection beforeDelete(User editor, SystemUser user, Collection known) |
259 | throws ModelException |
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260 | { |
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261 | Collection cascade = new ArrayList(); |
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262 | |||
263 | for(Iterator i = beforeDeleteListeners.iterator(); i.hasNext(); ) { |
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264 | SystemUserBeforeDeleteListener listener = (SystemUserBeforeDeleteListener)i.next(); |
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265 | Collection subcascade = listener.systemUserBeforeDelete(editor, user, known); |
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266 | if(subcascade != null) |
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267 | cascade.addAll(subcascade); |
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268 | } |
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269 | |||
270 | return cascade; |
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271 | } |
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272 | |||
919 | dev | 273 | public void delete(User editor, SystemUser systemUser) |
274 | throws ModelException |
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275 | { |
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1011 | dev | 276 | // check rights |
919 | dev | 277 | if(!systemUser.deleteableBy(editor)) |
278 | throw new ModelSecurityException(); |
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279 | |||
1014 | dev | 280 | // inform deleting listeners |
281 | for(Iterator i = deletingListeners.iterator(); i.hasNext(); ) { |
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282 | SystemUserDeletingListener listener = (SystemUserDeletingListener)i.next(); |
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283 | listener.systemUserDeleting(editor, systemUser); |
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284 | } |
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285 | |||
1011 | dev | 286 | // backup copy |
287 | SystemUser oldSystemUser = new SystemUser(systemUser); |
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288 | |||
289 | // delete it |
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919 | dev | 290 | try { |
291 | HibernateUtil.currentSession().delete(systemUser); |
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292 | } |
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293 | catch(HibernateException ex) |
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294 | { |
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295 | throw new ModelException(ex); |
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296 | } |
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1011 | dev | 297 | |
1014 | dev | 298 | // inform deleted listeners |
1011 | dev | 299 | for(Iterator i = deletedListeners.iterator(); i.hasNext(); ) { |
300 | SystemUserDeletedListener listener = (SystemUserDeletedListener)i.next(); |
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301 | listener.systemUserDeleted(editor, oldSystemUser); |
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302 | } |
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919 | dev | 303 | } |
304 | |||
305 | public Collection listSystemUsers(User editor) |
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306 | throws ModelException |
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307 | { |
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1028 | dev | 308 | return listSystemUsers(null, 0, 0, null, editor); |
309 | } |
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310 | |||
311 | public Collection listSystemUsers(CollectionInfo info, int rowsPerPage, int pageNumber, |
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312 | Integer[] sortingKeys, User editor) |
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313 | throws ModelException |
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314 | { |
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919 | dev | 315 | try { |
316 | if(editor.isSuperuser()) { |
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1028 | dev | 317 | if(info != null) { |
318 | info.init(((Integer)HibernateUtil.currentSession().iterate( |
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319 | "select count(*) from SystemUser").next()).intValue(), |
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320 | pageNumber, rowsPerPage); |
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321 | } |
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322 | |||
323 | return HibernateUtil.pageableList(rowsPerPage, pageNumber, |
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324 | "select u from SystemUser u left join fetch u.owner" |
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325 | + HibernateUtil.formOrderClause(sortingKeys, sortKeys), null, null); |
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919 | dev | 326 | } |
327 | else { |
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1028 | dev | 328 | if(info != null) { |
329 | info.init(((Integer)HibernateUtil.currentSession().iterate( |
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330 | "select count(*) from SystemUser where owner is null or owner = ?", |
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331 | editor, Hibernate.entity(User.class)) |
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332 | .next()).intValue(), |
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333 | pageNumber, rowsPerPage); |
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334 | } |
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335 | |||
336 | return HibernateUtil.pageableList(rowsPerPage, pageNumber, |
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337 | "select u from SystemUser u left join u.owner o" |
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338 | + " where u.owner is null or u.owner = ?" |
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339 | + HibernateUtil.formOrderClause(sortingKeys, sortKeys), |
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340 | new Object[] { editor }, new Type[] { Hibernate.entity(User.class) } ); |
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919 | dev | 341 | } |
342 | } |
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343 | catch(HibernateException ex) |
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344 | { |
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345 | throw new ModelException(ex); |
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346 | } |
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347 | } |
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348 | |||
349 | public boolean areSystemUsersAvailable(User editor) |
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350 | throws ModelException |
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351 | { |
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352 | try { |
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353 | if(editor.isSuperuser()) |
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354 | return true; |
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355 | else |
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356 | return ((Integer)HibernateUtil.currentSession().iterate( |
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357 | "select count(*) from SystemUser u left join u.owner o where o is null or o=?", |
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358 | editor, Hibernate.entity(User.class)).next()).intValue() > 0; |
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359 | } |
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360 | catch(HibernateException ex) |
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361 | { |
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362 | throw new ModelException(ex); |
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363 | } |
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364 | } |
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365 | |||
949 | dev | 366 | public Collection userBeforeDelete(User editor, User user, Collection known) |
367 | throws ModelException |
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919 | dev | 368 | { |
949 | dev | 369 | Collection systemUsers; |
919 | dev | 370 | |
949 | dev | 371 | try { |
372 | systemUsers = HibernateUtil.currentSession().find( |
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1018 | dev | 373 | "select u from SystemUser u where u.owner = ?", |
949 | dev | 374 | user, Hibernate.entity(User.class) ); |
375 | } |
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376 | catch(HibernateException ex) |
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377 | { |
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378 | throw new ModelException(ex); |
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379 | } |
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380 | |||
381 | Collection cascade = new ArrayList(); |
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382 | for(Iterator i = systemUsers.iterator(); i.hasNext(); ) { |
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383 | SystemUser u = (SystemUser)i.next(); |
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384 | if(u.viewableBy(editor)) { |
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385 | if(u.deleteableBy(editor)) |
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386 | cascade.add(new CascadeDeleteElement(u, CascadeDeleteElement.DELETE, |
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387 | this.beforeDelete(editor, u, known))); |
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388 | else |
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389 | cascade.add(new CascadeDeleteElement(u, CascadeDeleteElement.FORBIDDEN, null)); |
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390 | } |
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391 | else { |
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392 | cascade.add(new CascadeDeleteElement(SystemUser.createLimitedCopy(u), |
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393 | CascadeDeleteElement.FORBIDDEN, null)); |
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394 | } |
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395 | } |
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396 | |||
397 | return cascade; |
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919 | dev | 398 | } |
399 | |||
1014 | dev | 400 | public void userDeleting(User editor, User user) |
401 | throws ModelException |
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402 | { |
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403 | Collection systemUsers; |
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404 | |||
405 | try { |
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406 | systemUsers = HibernateUtil.currentSession().find( |
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1018 | dev | 407 | "select u from SystemUser u where u.owner = ?", |
1014 | dev | 408 | user, Hibernate.entity(User.class) ); |
409 | } |
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410 | catch(HibernateException ex) |
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411 | { |
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412 | throw new ModelException(ex); |
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413 | } |
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414 | |||
415 | for(Iterator i = systemUsers.iterator(); i.hasNext(); ) { |
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416 | delete(editor, (SystemUser)i.next()); |
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417 | } |
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418 | } |
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419 | |||
1028 | dev | 420 | public static final Integer SORT_UID = new Integer(1); |
421 | public static final Integer SORT_NAME = new Integer(2); |
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422 | |||
423 | protected static Map sortKeys = new HashMap(); |
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424 | |||
425 | static { |
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426 | sortKeys.put(SORT_UID, "u.uid"); |
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427 | sortKeys.put(SORT_NAME, "u.name"); |
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428 | } |
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429 | |||
919 | dev | 430 | public static final Comparator UID_COMPARATOR = new UidComparator(); |
431 | public static final Comparator NAME_COMPARATOR = new NameComparator(); |
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432 | |||
433 | private static class UidComparator |
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434 | implements Comparator |
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435 | { |
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436 | public int compare(Object o1, Object o2) |
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437 | { |
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438 | if(!(o1 instanceof SystemUser) || !(o2 instanceof SystemUser)) |
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439 | throw new ClassCastException("not a SystemUser"); |
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440 | |||
441 | SystemUser a1 = (SystemUser)o1; |
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442 | SystemUser a2 = (SystemUser)o2; |
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443 | |||
444 | if(a1 == null && a2 == null) |
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445 | return 0; |
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446 | else if(a1 == null && a2 != null) |
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447 | return -1; |
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448 | else if(a1 != null && a2 == null) |
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449 | return 1; |
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450 | else |
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451 | return a1.getUid().compareTo(a2.getUid()); |
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452 | } |
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453 | |||
454 | public boolean equals(Object obj) |
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455 | { |
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456 | return (obj instanceof UidComparator); |
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457 | } |
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458 | } |
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459 | |||
460 | private static class NameComparator |
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461 | implements Comparator |
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462 | { |
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463 | public int compare(Object o1, Object o2) |
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464 | { |
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465 | if(!(o1 instanceof SystemUser) || !(o2 instanceof SystemUser)) |
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466 | throw new ClassCastException("not a SystemUser"); |
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467 | |||
468 | SystemUser a1 = (SystemUser)o1; |
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469 | SystemUser a2 = (SystemUser)o2; |
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470 | |||
471 | if(a1 == null && a2 == null) |
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472 | return 0; |
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473 | else if(a1 == null && a2 != null) |
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474 | return -1; |
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475 | else if(a1 != null && a2 == null) |
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476 | return 1; |
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477 | else |
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478 | return a1.getName().compareToIgnoreCase(a2.getName()); |
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479 | } |
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480 | |||
481 | public boolean equals(Object obj) |
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482 | { |
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483 | return (obj instanceof NameComparator); |
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484 | } |
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485 | } |
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486 | } |