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