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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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5 | import net.sf.hibernate.type.Type; |
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1016 | dev | 6 | import ak.hostadmiral.util.CollectionUtils; |
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 MailAliasManager |
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1014 | dev | 12 | implements |
13 | UserBeforeDeleteListener, |
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14 | UserDeletingListener, |
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15 | InetDomainBeforeDeleteListener, |
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16 | InetDomainDeletingListener |
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919 | dev | 17 | { |
1011 | dev | 18 | private static MailAliasManager mailAliasManager = null; |
919 | dev | 19 | private static boolean registered = false; |
1011 | dev | 20 | |
21 | public static MailAliasManager getInstance() |
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22 | { |
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23 | if(mailAliasManager == null) |
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24 | mailAliasManager = new MailAliasManager(); |
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25 | |||
26 | return mailAliasManager; |
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27 | } |
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28 | |||
919 | dev | 29 | protected static void register() |
30 | { |
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31 | synchronized(MailAliasManager.class) { |
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32 | if(registered) return; |
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33 | |||
34 | registered = true; |
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35 | try { |
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36 | HibernateUtil.getConfiguration().addResource( |
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950 | dev | 37 | "ak/hostadmiral/core/model/MailAlias.hbm.xml"); |
919 | dev | 38 | } |
39 | catch(Exception ex) { |
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40 | ex.printStackTrace(); |
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41 | throw new RuntimeException(ex.getMessage()); |
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42 | } |
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43 | } |
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44 | } |
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45 | |||
46 | static { |
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47 | register(); |
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48 | } |
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49 | |||
1011 | dev | 50 | private Collection createdListeners = new ArrayList(); |
51 | private Collection modifiedListeners = new ArrayList(); |
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52 | private Collection beforeDeleteListeners = new ArrayList(); |
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1014 | dev | 53 | private Collection deletingListeners = new ArrayList(); |
1011 | dev | 54 | private Collection deletedListeners = new ArrayList(); |
55 | |||
919 | dev | 56 | private MailAliasManager() |
57 | { |
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1011 | dev | 58 | UserManager.getInstance().addBeforeDeleteListener(this); |
919 | dev | 59 | } |
60 | |||
61 | public MailAlias create(User editor) |
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62 | throws ModelException |
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63 | { |
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64 | if(!allowedToCreate(editor)) throw new ModelSecurityException(); |
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65 | |||
66 | MailAlias alias = new MailAlias(); |
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67 | alias.setDestinations(new ArrayList()); |
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68 | return alias; |
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69 | } |
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70 | |||
71 | public boolean allowedToCreate(User editor) |
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72 | throws ModelException |
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73 | { |
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921 | dev | 74 | return MailAlias.allowedToCreate(this, editor); |
919 | dev | 75 | } |
76 | |||
77 | public MailAlias get(User editor, Long id) |
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78 | throws ModelException |
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79 | { |
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80 | MailAlias alias; |
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81 | |||
82 | try { |
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83 | alias = (MailAlias)HibernateUtil.currentSession().load(MailAlias.class, id); |
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84 | } |
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85 | catch(HibernateException ex) |
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86 | { |
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87 | throw new ModelException(ex); |
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88 | } |
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89 | |||
90 | if(!alias.viewableBy(editor)) |
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91 | throw new ModelSecurityException(); |
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92 | |||
93 | return alias; |
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94 | } |
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95 | |||
926 | dev | 96 | public boolean addressExists(User editor, MailAlias alias, String address) |
97 | throws ModelException |
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98 | { |
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99 | if(alias.getDomain() == null) |
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100 | throw new ModelException("Cannot check unique address for mail alias without domain"); |
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101 | |||
102 | try { |
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103 | if(alias.getId() == null) |
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104 | return ((Integer)HibernateUtil.currentSession().iterate( |
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105 | "select count(*) from MailAlias where address = ? and domain = ?", |
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106 | new Object[] { address, alias.getDomain() }, |
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107 | new Type[] { Hibernate.STRING, Hibernate.entity(InetDomain.class) } ) |
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108 | .next()).intValue() > 0; |
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109 | else |
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110 | return ((Integer)HibernateUtil.currentSession().iterate( |
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111 | "select count(*) from MailAlias a where address = ? and domain = ? and a != ?", |
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112 | new Object[] { address, alias.getDomain(), alias }, |
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113 | new Type[] { Hibernate.STRING, Hibernate.entity(InetDomain.class), |
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114 | Hibernate.entity(MailAlias.class) } ) |
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115 | .next()).intValue() > 0; |
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116 | } |
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117 | catch(HibernateException ex) |
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118 | { |
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119 | throw new ModelException(ex); |
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120 | } |
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121 | } |
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122 | |||
919 | dev | 123 | protected MailAlias findForName(String name) |
124 | throws ModelException |
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125 | { |
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126 | try { |
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127 | List list = HibernateUtil.currentSession().find( |
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128 | "from MailAlias where name=?", name, Hibernate.STRING); |
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129 | |||
130 | if(list.size() == 0) |
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131 | return null; |
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132 | else |
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133 | return (MailAlias)list.get(0); |
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134 | } |
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135 | catch(HibernateException ex) |
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136 | { |
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137 | throw new ModelException(ex); |
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138 | } |
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139 | } |
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140 | |||
141 | public void save(User editor, MailAlias mailAlias) |
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142 | throws ModelException |
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143 | { |
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144 | if(!mailAlias.editableBy(editor)) |
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145 | throw new ModelSecurityException(); |
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146 | |||
1011 | dev | 147 | boolean isNew = mailAlias.isNew(); |
148 | |||
1010 | dev | 149 | //mailAlias.setModUser(editor); // FIXME |
919 | dev | 150 | |
151 | try { |
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152 | HibernateUtil.currentSession().saveOrUpdate(mailAlias); |
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153 | } |
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154 | catch(HibernateException ex) |
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155 | { |
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156 | throw new ModelException(ex); |
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157 | } |
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1011 | dev | 158 | |
159 | // inform listeners |
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160 | if(isNew) { |
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161 | for(Iterator i = createdListeners.iterator(); i.hasNext(); ) { |
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162 | MailAliasCreatedListener listener = (MailAliasCreatedListener)i.next(); |
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163 | listener.mailAliasCreated(editor, mailAlias); |
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164 | } |
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165 | } |
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166 | else { |
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167 | MailAlias oldMailAlias = mailAlias.getOrigin(); |
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168 | if(oldMailAlias == null) oldMailAlias = mailAlias; |
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169 | for(Iterator i = modifiedListeners.iterator(); i.hasNext(); ) { |
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170 | MailAliasModifiedListener listener = (MailAliasModifiedListener)i.next(); |
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171 | listener.mailAliasModified(editor, mailAlias, oldMailAlias); |
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172 | } |
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173 | } |
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919 | dev | 174 | } |
175 | |||
1011 | dev | 176 | public void addCreatedListener(MailAliasCreatedListener listener) |
177 | { |
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178 | createdListeners.add(listener); |
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179 | } |
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180 | |||
181 | public void removeCreatedListener(MailAliasCreatedListener listener) |
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182 | { |
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183 | createdListeners.remove(listener); |
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184 | } |
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185 | |||
186 | public void addModifiedListener(MailAliasModifiedListener listener) |
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187 | { |
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188 | modifiedListeners.add(listener); |
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189 | } |
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190 | |||
191 | public void removeModifiedListener(MailAliasModifiedListener listener) |
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192 | { |
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193 | modifiedListeners.remove(listener); |
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194 | } |
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195 | |||
196 | public void addBeforeDeleteListener(MailAliasBeforeDeleteListener listener) |
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197 | { |
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198 | beforeDeleteListeners.add(listener); |
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199 | } |
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200 | |||
201 | public void removeBeforeDeleteListener(MailAliasBeforeDeleteListener listener) |
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202 | { |
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203 | beforeDeleteListeners.remove(listener); |
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204 | } |
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205 | |||
1014 | dev | 206 | public void addDeletingListener(MailAliasDeletingListener listener) |
207 | { |
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208 | deletingListeners.add(listener); |
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209 | } |
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210 | |||
211 | public void removeDeletingListener(MailAliasDeletingListener listener) |
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212 | { |
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213 | deletingListeners.remove(listener); |
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214 | } |
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215 | |||
1011 | dev | 216 | public void addDeletedListener(MailAliasDeletedListener listener) |
217 | { |
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218 | deletedListeners.add(listener); |
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219 | } |
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220 | |||
221 | public void removeDeletedListener(MailAliasDeletedListener listener) |
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222 | { |
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223 | deletedListeners.remove(listener); |
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224 | } |
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225 | |||
226 | public Collection beforeDelete(User editor, MailAlias mailAlias, Collection known) |
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227 | throws ModelException |
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228 | { |
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229 | Collection cascade = new ArrayList(); |
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230 | |||
231 | for(Iterator i = beforeDeleteListeners.iterator(); i.hasNext(); ) { |
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232 | MailAliasBeforeDeleteListener listener = (MailAliasBeforeDeleteListener)i.next(); |
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233 | Collection subcascade = listener.mailAliasBeforeDelete(editor, mailAlias, known); |
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234 | if(subcascade != null) |
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235 | cascade.addAll(subcascade); |
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236 | } |
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237 | |||
238 | return cascade; |
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239 | } |
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240 | |||
919 | dev | 241 | public void delete(User editor, MailAlias mailAlias) |
242 | throws ModelException |
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243 | { |
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1011 | dev | 244 | // check rights |
919 | dev | 245 | if(!mailAlias.deleteableBy(editor)) |
246 | throw new ModelSecurityException(); |
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247 | |||
1014 | dev | 248 | // inform deleting listeners |
249 | for(Iterator i = deletingListeners.iterator(); i.hasNext(); ) { |
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250 | MailAliasDeletingListener listener = (MailAliasDeletingListener)i.next(); |
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251 | listener.mailAliasDeleting(editor, mailAlias); |
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252 | } |
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253 | |||
1011 | dev | 254 | // backup copy |
255 | MailAlias oldMailAlias = new MailAlias(mailAlias); |
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256 | |||
257 | // delete it |
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919 | dev | 258 | try { |
259 | HibernateUtil.currentSession().delete(mailAlias); |
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260 | } |
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261 | catch(HibernateException ex) |
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262 | { |
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263 | throw new ModelException(ex); |
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264 | } |
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1011 | dev | 265 | |
1014 | dev | 266 | // inform deleted listeners |
1011 | dev | 267 | for(Iterator i = deletedListeners.iterator(); i.hasNext(); ) { |
268 | MailAliasDeletedListener listener = (MailAliasDeletedListener)i.next(); |
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269 | listener.mailAliasDeleted(editor, oldMailAlias); |
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270 | } |
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919 | dev | 271 | } |
272 | |||
273 | public Collection listMailAliases(User editor) |
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274 | throws ModelException |
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275 | { |
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276 | try { |
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277 | if(editor.isSuperuser()) |
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278 | return HibernateUtil.currentSession().find("from MailAlias"); |
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279 | else |
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1016 | dev | 280 | return CollectionUtils.addUnique( |
281 | HibernateUtil.currentSession().find( |
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282 | "select a from MailAlias a left join fetch a.domain as d" |
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283 | + " left join fetch a.owner" |
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284 | + " where d.owner=?", |
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285 | new Object[] { editor }, new Type[] { Hibernate.entity(User.class) } ), |
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286 | HibernateUtil.currentSession().find( |
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287 | "select a from MailAlias a left join fetch a.domain as d" |
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288 | + " left join fetch a.owner" |
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289 | + " where a.owner=?", |
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290 | new Object[] { editor }, new Type[] { Hibernate.entity(User.class) } )); |
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919 | dev | 291 | } |
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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296 | } |
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297 | |||
298 | public boolean areMailAliasesAvailable(User editor) |
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299 | throws ModelException |
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300 | { |
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301 | try { |
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302 | if(editor.isSuperuser() |
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303 | || InetDomainManager.getInstance().areInetDomainsAvailable(editor)) |
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304 | { |
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305 | return true; |
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306 | } |
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307 | else { |
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308 | return ((Integer)HibernateUtil.currentSession().iterate( |
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309 | "select count(*) from MailAlias a left join a.domain as d" |
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310 | + " where d.owner=? or a.owner=?", |
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311 | new Object[] { editor, editor }, |
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312 | new Type[] { Hibernate.entity(User.class), Hibernate.entity(User.class) }) |
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313 | .next()).intValue() > 0; |
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314 | } |
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315 | } |
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316 | catch(HibernateException ex) |
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317 | { |
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318 | throw new ModelException(ex); |
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319 | } |
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320 | } |
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321 | |||
1011 | dev | 322 | public Collection userBeforeDelete(User editor, User user, Collection known) |
323 | throws ModelException |
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324 | { |
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325 | Collection mailAliases; |
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919 | dev | 326 | |
1011 | dev | 327 | try { |
328 | mailAliases = HibernateUtil.currentSession().find( |
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329 | "from MailAlias where owner = ?", |
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330 | user, Hibernate.entity(User.class) ); |
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331 | } |
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332 | catch(HibernateException ex) |
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333 | { |
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334 | throw new ModelException(ex); |
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335 | } |
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336 | |||
337 | return iterateBeforeDelete(editor, mailAliases, known); |
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338 | } |
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339 | |||
1014 | dev | 340 | public void userDeleting(User editor, User user) |
341 | throws ModelException |
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342 | { |
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343 | Collection mailAliases; |
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344 | |||
345 | try { |
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346 | mailAliases = HibernateUtil.currentSession().find( |
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347 | "from MailAlias where owner = ?", |
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348 | user, Hibernate.entity(User.class) ); |
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349 | } |
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350 | catch(HibernateException ex) |
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351 | { |
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352 | throw new ModelException(ex); |
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353 | } |
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354 | |||
355 | for(Iterator i = mailAliases.iterator(); i.hasNext(); ) { |
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356 | delete(editor, (MailAlias)i.next()); |
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357 | } |
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358 | } |
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359 | |||
360 | public Collection inetDomainBeforeDelete(User editor, InetDomain domain, Collection known) |
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361 | throws ModelException |
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362 | { |
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363 | Collection mailAliases; |
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364 | |||
365 | try { |
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366 | mailAliases = HibernateUtil.currentSession().find( |
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367 | "from MailAlias where domain = ?", |
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368 | domain, Hibernate.entity(InetDomain.class) ); |
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369 | } |
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370 | catch(HibernateException ex) |
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371 | { |
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372 | throw new ModelException(ex); |
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373 | } |
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374 | |||
375 | return iterateBeforeDelete(editor, mailAliases, known); |
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376 | } |
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377 | |||
378 | public void inetDomainDeleting(User editor, InetDomain domain) |
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379 | throws ModelException |
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380 | { |
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381 | Collection mailAliases; |
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382 | |||
383 | try { |
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384 | mailAliases = HibernateUtil.currentSession().find( |
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385 | "from MailAlias where domain = ?", |
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386 | domain, Hibernate.entity(InetDomain.class) ); |
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387 | } |
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388 | catch(HibernateException ex) |
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389 | { |
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390 | throw new ModelException(ex); |
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391 | } |
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392 | |||
393 | for(Iterator i = mailAliases.iterator(); i.hasNext(); ) { |
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394 | delete(editor, (MailAlias)i.next()); |
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395 | } |
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396 | } |
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397 | |||
1011 | dev | 398 | private Collection iterateBeforeDelete(User editor, Collection mailAliases, Collection known) |
399 | throws ModelException |
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919 | dev | 400 | { |
1011 | dev | 401 | Collection cascade = new ArrayList(); |
402 | for(Iterator i = mailAliases.iterator(); i.hasNext(); ) { |
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403 | MailAlias mailAlias = (MailAlias)i.next(); |
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404 | if(mailAlias.viewableBy(editor)) { |
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405 | if(mailAlias.deleteableBy(editor)) |
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406 | cascade.add(new CascadeDeleteElement(mailAlias, CascadeDeleteElement.DELETE, |
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407 | this.beforeDelete(editor, mailAlias, known))); |
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408 | else |
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409 | cascade.add(new CascadeDeleteElement(mailAlias, CascadeDeleteElement.FORBIDDEN, |
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410 | null)); |
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411 | } |
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412 | else { |
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413 | cascade.add(new CascadeDeleteElement(MailAlias.createLimitedCopy(mailAlias), |
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414 | CascadeDeleteElement.FORBIDDEN, null)); |
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415 | } |
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416 | } |
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919 | dev | 417 | |
1011 | dev | 418 | return cascade; |
919 | dev | 419 | } |
420 | |||
421 | public static final Comparator ADDRESS_COMPARATOR = new AddressComparator(); |
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422 | |||
423 | private static class AddressComparator |
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424 | implements Comparator |
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425 | { |
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426 | public int compare(Object o1, Object o2) |
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427 | { |
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428 | if(!(o1 instanceof MailAlias) || !(o2 instanceof MailAlias)) |
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429 | throw new ClassCastException("not a MailAlias"); |
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430 | |||
431 | MailAlias a1 = (MailAlias)o1; |
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432 | MailAlias a2 = (MailAlias)o2; |
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433 | |||
434 | if(a1 == null && a2 == null) |
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435 | return 0; |
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436 | else if(a1 == null && a2 != null) |
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437 | return -1; |
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438 | else if(a1 != null && a2 == null) |
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439 | return 1; |
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440 | else |
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441 | return a1.getAddress().compareToIgnoreCase(a2.getAddress()); |
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442 | } |
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443 | |||
444 | public boolean equals(Object obj) |
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445 | { |
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446 | return (obj instanceof AddressComparator); |
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447 | } |
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448 | } |
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449 | } |