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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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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 MailAliasManager |
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1014 | dev | 11 | implements |
12 | UserBeforeDeleteListener, |
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13 | UserDeletingListener, |
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14 | InetDomainBeforeDeleteListener, |
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15 | InetDomainDeletingListener |
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919 | dev | 16 | { |
1011 | dev | 17 | private static MailAliasManager mailAliasManager = null; |
919 | dev | 18 | private static boolean registered = false; |
1011 | dev | 19 | |
20 | public static MailAliasManager getInstance() |
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21 | { |
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22 | if(mailAliasManager == null) |
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23 | mailAliasManager = new MailAliasManager(); |
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24 | |||
25 | return mailAliasManager; |
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26 | } |
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27 | |||
919 | dev | 28 | protected static void register() |
29 | { |
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30 | synchronized(MailAliasManager.class) { |
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31 | if(registered) return; |
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32 | |||
33 | registered = true; |
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34 | try { |
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35 | HibernateUtil.getConfiguration().addResource( |
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950 | dev | 36 | "ak/hostadmiral/core/model/MailAlias.hbm.xml"); |
919 | dev | 37 | } |
38 | catch(Exception ex) { |
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39 | ex.printStackTrace(); |
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40 | throw new RuntimeException(ex.getMessage()); |
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41 | } |
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42 | } |
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43 | } |
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44 | |||
45 | static { |
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46 | register(); |
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47 | } |
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48 | |||
1011 | dev | 49 | private Collection createdListeners = new ArrayList(); |
50 | private Collection modifiedListeners = new ArrayList(); |
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51 | private Collection beforeDeleteListeners = new ArrayList(); |
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1014 | dev | 52 | private Collection deletingListeners = new ArrayList(); |
1011 | dev | 53 | private Collection deletedListeners = new ArrayList(); |
54 | |||
919 | dev | 55 | private MailAliasManager() |
56 | { |
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1011 | dev | 57 | UserManager.getInstance().addBeforeDeleteListener(this); |
919 | dev | 58 | } |
59 | |||
60 | public MailAlias create(User editor) |
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61 | throws ModelException |
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62 | { |
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63 | if(!allowedToCreate(editor)) throw new ModelSecurityException(); |
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64 | |||
65 | MailAlias alias = new MailAlias(); |
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66 | alias.setDestinations(new ArrayList()); |
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67 | return alias; |
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68 | } |
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69 | |||
70 | public boolean allowedToCreate(User editor) |
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71 | throws ModelException |
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72 | { |
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921 | dev | 73 | return MailAlias.allowedToCreate(this, editor); |
919 | dev | 74 | } |
75 | |||
76 | public MailAlias get(User editor, Long id) |
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77 | throws ModelException |
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78 | { |
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79 | MailAlias alias; |
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80 | |||
81 | try { |
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82 | alias = (MailAlias)HibernateUtil.currentSession().load(MailAlias.class, id); |
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83 | } |
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84 | catch(HibernateException ex) |
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85 | { |
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86 | throw new ModelException(ex); |
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87 | } |
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88 | |||
89 | if(!alias.viewableBy(editor)) |
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90 | throw new ModelSecurityException(); |
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91 | |||
92 | return alias; |
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93 | } |
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94 | |||
926 | dev | 95 | public boolean addressExists(User editor, MailAlias alias, String address) |
96 | throws ModelException |
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97 | { |
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98 | if(alias.getDomain() == null) |
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99 | throw new ModelException("Cannot check unique address for mail alias without domain"); |
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100 | |||
101 | try { |
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102 | if(alias.getId() == null) |
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103 | return ((Integer)HibernateUtil.currentSession().iterate( |
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104 | "select count(*) from MailAlias where address = ? and domain = ?", |
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105 | new Object[] { address, alias.getDomain() }, |
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106 | new Type[] { Hibernate.STRING, Hibernate.entity(InetDomain.class) } ) |
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107 | .next()).intValue() > 0; |
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108 | else |
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109 | return ((Integer)HibernateUtil.currentSession().iterate( |
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110 | "select count(*) from MailAlias a where address = ? and domain = ? and a != ?", |
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111 | new Object[] { address, alias.getDomain(), alias }, |
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112 | new Type[] { Hibernate.STRING, Hibernate.entity(InetDomain.class), |
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113 | Hibernate.entity(MailAlias.class) } ) |
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114 | .next()).intValue() > 0; |
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115 | } |
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116 | catch(HibernateException ex) |
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117 | { |
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118 | throw new ModelException(ex); |
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119 | } |
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120 | } |
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121 | |||
919 | dev | 122 | protected MailAlias findForName(String name) |
123 | throws ModelException |
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124 | { |
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125 | try { |
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126 | List list = HibernateUtil.currentSession().find( |
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127 | "from MailAlias where name=?", name, Hibernate.STRING); |
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128 | |||
129 | if(list.size() == 0) |
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130 | return null; |
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131 | else |
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132 | return (MailAlias)list.get(0); |
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133 | } |
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134 | catch(HibernateException ex) |
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135 | { |
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136 | throw new ModelException(ex); |
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137 | } |
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138 | } |
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139 | |||
140 | public void save(User editor, MailAlias mailAlias) |
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141 | throws ModelException |
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142 | { |
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143 | if(!mailAlias.editableBy(editor)) |
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144 | throw new ModelSecurityException(); |
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145 | |||
1011 | dev | 146 | boolean isNew = mailAlias.isNew(); |
147 | |||
1010 | dev | 148 | //mailAlias.setModUser(editor); // FIXME |
919 | dev | 149 | |
150 | try { |
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151 | HibernateUtil.currentSession().saveOrUpdate(mailAlias); |
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152 | } |
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153 | catch(HibernateException ex) |
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154 | { |
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155 | throw new ModelException(ex); |
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156 | } |
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1011 | dev | 157 | |
158 | // inform listeners |
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159 | if(isNew) { |
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160 | for(Iterator i = createdListeners.iterator(); i.hasNext(); ) { |
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161 | MailAliasCreatedListener listener = (MailAliasCreatedListener)i.next(); |
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162 | listener.mailAliasCreated(editor, mailAlias); |
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163 | } |
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164 | } |
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165 | else { |
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166 | MailAlias oldMailAlias = mailAlias.getOrigin(); |
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167 | if(oldMailAlias == null) oldMailAlias = mailAlias; |
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168 | for(Iterator i = modifiedListeners.iterator(); i.hasNext(); ) { |
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169 | MailAliasModifiedListener listener = (MailAliasModifiedListener)i.next(); |
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170 | listener.mailAliasModified(editor, mailAlias, oldMailAlias); |
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171 | } |
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172 | } |
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919 | dev | 173 | } |
174 | |||
1011 | dev | 175 | public void addCreatedListener(MailAliasCreatedListener listener) |
176 | { |
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177 | createdListeners.add(listener); |
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178 | } |
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179 | |||
180 | public void removeCreatedListener(MailAliasCreatedListener listener) |
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181 | { |
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182 | createdListeners.remove(listener); |
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183 | } |
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184 | |||
185 | public void addModifiedListener(MailAliasModifiedListener listener) |
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186 | { |
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187 | modifiedListeners.add(listener); |
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188 | } |
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189 | |||
190 | public void removeModifiedListener(MailAliasModifiedListener listener) |
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191 | { |
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192 | modifiedListeners.remove(listener); |
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193 | } |
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194 | |||
195 | public void addBeforeDeleteListener(MailAliasBeforeDeleteListener listener) |
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196 | { |
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197 | beforeDeleteListeners.add(listener); |
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198 | } |
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199 | |||
200 | public void removeBeforeDeleteListener(MailAliasBeforeDeleteListener listener) |
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201 | { |
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202 | beforeDeleteListeners.remove(listener); |
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203 | } |
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204 | |||
1014 | dev | 205 | public void addDeletingListener(MailAliasDeletingListener listener) |
206 | { |
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207 | deletingListeners.add(listener); |
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208 | } |
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209 | |||
210 | public void removeDeletingListener(MailAliasDeletingListener listener) |
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211 | { |
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212 | deletingListeners.remove(listener); |
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213 | } |
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214 | |||
1011 | dev | 215 | public void addDeletedListener(MailAliasDeletedListener listener) |
216 | { |
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217 | deletedListeners.add(listener); |
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218 | } |
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219 | |||
220 | public void removeDeletedListener(MailAliasDeletedListener listener) |
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221 | { |
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222 | deletedListeners.remove(listener); |
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223 | } |
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224 | |||
225 | public Collection beforeDelete(User editor, MailAlias mailAlias, Collection known) |
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226 | throws ModelException |
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227 | { |
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228 | Collection cascade = new ArrayList(); |
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229 | |||
230 | for(Iterator i = beforeDeleteListeners.iterator(); i.hasNext(); ) { |
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231 | MailAliasBeforeDeleteListener listener = (MailAliasBeforeDeleteListener)i.next(); |
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232 | Collection subcascade = listener.mailAliasBeforeDelete(editor, mailAlias, known); |
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233 | if(subcascade != null) |
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234 | cascade.addAll(subcascade); |
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235 | } |
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236 | |||
237 | return cascade; |
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238 | } |
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239 | |||
919 | dev | 240 | public void delete(User editor, MailAlias mailAlias) |
241 | throws ModelException |
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242 | { |
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1011 | dev | 243 | // check rights |
919 | dev | 244 | if(!mailAlias.deleteableBy(editor)) |
245 | throw new ModelSecurityException(); |
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246 | |||
1014 | dev | 247 | // inform deleting listeners |
248 | for(Iterator i = deletingListeners.iterator(); i.hasNext(); ) { |
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249 | MailAliasDeletingListener listener = (MailAliasDeletingListener)i.next(); |
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250 | listener.mailAliasDeleting(editor, mailAlias); |
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251 | } |
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252 | |||
1011 | dev | 253 | // backup copy |
254 | MailAlias oldMailAlias = new MailAlias(mailAlias); |
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255 | |||
256 | // delete it |
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919 | dev | 257 | try { |
258 | HibernateUtil.currentSession().delete(mailAlias); |
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259 | } |
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260 | catch(HibernateException ex) |
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261 | { |
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262 | throw new ModelException(ex); |
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263 | } |
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1011 | dev | 264 | |
1014 | dev | 265 | // inform deleted listeners |
1011 | dev | 266 | for(Iterator i = deletedListeners.iterator(); i.hasNext(); ) { |
267 | MailAliasDeletedListener listener = (MailAliasDeletedListener)i.next(); |
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268 | listener.mailAliasDeleted(editor, oldMailAlias); |
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269 | } |
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919 | dev | 270 | } |
271 | |||
272 | public Collection listMailAliases(User editor) |
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273 | throws ModelException |
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274 | { |
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275 | try { |
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276 | if(editor.isSuperuser()) |
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277 | return HibernateUtil.currentSession().find("from MailAlias"); |
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278 | else |
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279 | return HibernateUtil.currentSession().find( |
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280 | "select a from MailAlias a left join a.domain as d" |
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281 | + " where d.owner=? or a.owner=?", |
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282 | new Object[] { editor, editor }, |
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283 | new Type[] { Hibernate.entity(User.class), Hibernate.entity(User.class) } ); |
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284 | } |
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285 | catch(HibernateException ex) |
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286 | { |
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287 | throw new ModelException(ex); |
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288 | } |
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289 | } |
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290 | |||
291 | public boolean areMailAliasesAvailable(User editor) |
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292 | throws ModelException |
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293 | { |
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294 | try { |
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295 | if(editor.isSuperuser() |
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296 | || InetDomainManager.getInstance().areInetDomainsAvailable(editor)) |
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297 | { |
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298 | return true; |
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299 | } |
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300 | else { |
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301 | return ((Integer)HibernateUtil.currentSession().iterate( |
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302 | "select count(*) from MailAlias a left join a.domain as d" |
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303 | + " where d.owner=? or a.owner=?", |
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304 | new Object[] { editor, editor }, |
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305 | new Type[] { Hibernate.entity(User.class), Hibernate.entity(User.class) }) |
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306 | .next()).intValue() > 0; |
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307 | } |
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308 | } |
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309 | catch(HibernateException ex) |
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310 | { |
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311 | throw new ModelException(ex); |
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312 | } |
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313 | } |
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314 | |||
1011 | dev | 315 | public Collection userBeforeDelete(User editor, User user, Collection known) |
316 | throws ModelException |
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317 | { |
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318 | Collection mailAliases; |
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919 | dev | 319 | |
1011 | dev | 320 | try { |
321 | mailAliases = HibernateUtil.currentSession().find( |
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322 | "from MailAlias where owner = ?", |
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323 | user, Hibernate.entity(User.class) ); |
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324 | } |
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325 | catch(HibernateException ex) |
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326 | { |
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327 | throw new ModelException(ex); |
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328 | } |
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329 | |||
330 | return iterateBeforeDelete(editor, mailAliases, known); |
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331 | } |
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332 | |||
1014 | dev | 333 | public void userDeleting(User editor, User user) |
334 | throws ModelException |
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335 | { |
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336 | Collection mailAliases; |
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337 | |||
338 | try { |
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339 | mailAliases = HibernateUtil.currentSession().find( |
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340 | "from MailAlias where owner = ?", |
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341 | user, Hibernate.entity(User.class) ); |
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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 | |||
348 | for(Iterator i = mailAliases.iterator(); i.hasNext(); ) { |
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349 | delete(editor, (MailAlias)i.next()); |
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350 | } |
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351 | } |
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352 | |||
353 | public Collection inetDomainBeforeDelete(User editor, InetDomain domain, Collection known) |
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354 | throws ModelException |
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355 | { |
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356 | Collection mailAliases; |
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357 | |||
358 | try { |
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359 | mailAliases = HibernateUtil.currentSession().find( |
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360 | "from MailAlias where domain = ?", |
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361 | domain, Hibernate.entity(InetDomain.class) ); |
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362 | } |
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363 | catch(HibernateException ex) |
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364 | { |
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365 | throw new ModelException(ex); |
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366 | } |
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367 | |||
368 | return iterateBeforeDelete(editor, mailAliases, known); |
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369 | } |
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370 | |||
371 | public void inetDomainDeleting(User editor, InetDomain domain) |
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372 | throws ModelException |
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373 | { |
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374 | Collection mailAliases; |
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375 | |||
376 | try { |
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377 | mailAliases = HibernateUtil.currentSession().find( |
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378 | "from MailAlias where domain = ?", |
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379 | domain, Hibernate.entity(InetDomain.class) ); |
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380 | } |
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381 | catch(HibernateException ex) |
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382 | { |
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383 | throw new ModelException(ex); |
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384 | } |
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385 | |||
386 | for(Iterator i = mailAliases.iterator(); i.hasNext(); ) { |
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387 | delete(editor, (MailAlias)i.next()); |
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388 | } |
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389 | } |
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390 | |||
1011 | dev | 391 | private Collection iterateBeforeDelete(User editor, Collection mailAliases, Collection known) |
392 | throws ModelException |
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919 | dev | 393 | { |
1011 | dev | 394 | Collection cascade = new ArrayList(); |
395 | for(Iterator i = mailAliases.iterator(); i.hasNext(); ) { |
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396 | MailAlias mailAlias = (MailAlias)i.next(); |
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397 | if(mailAlias.viewableBy(editor)) { |
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398 | if(mailAlias.deleteableBy(editor)) |
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399 | cascade.add(new CascadeDeleteElement(mailAlias, CascadeDeleteElement.DELETE, |
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400 | this.beforeDelete(editor, mailAlias, known))); |
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401 | else |
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402 | cascade.add(new CascadeDeleteElement(mailAlias, CascadeDeleteElement.FORBIDDEN, |
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403 | null)); |
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404 | } |
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405 | else { |
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406 | cascade.add(new CascadeDeleteElement(MailAlias.createLimitedCopy(mailAlias), |
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407 | CascadeDeleteElement.FORBIDDEN, null)); |
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408 | } |
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409 | } |
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919 | dev | 410 | |
1011 | dev | 411 | return cascade; |
919 | dev | 412 | } |
413 | |||
414 | public static final Comparator ADDRESS_COMPARATOR = new AddressComparator(); |
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415 | |||
416 | private static class AddressComparator |
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417 | implements Comparator |
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418 | { |
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419 | public int compare(Object o1, Object o2) |
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420 | { |
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421 | if(!(o1 instanceof MailAlias) || !(o2 instanceof MailAlias)) |
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422 | throw new ClassCastException("not a MailAlias"); |
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423 | |||
424 | MailAlias a1 = (MailAlias)o1; |
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425 | MailAlias a2 = (MailAlias)o2; |
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426 | |||
427 | if(a1 == null && a2 == null) |
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428 | return 0; |
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429 | else if(a1 == null && a2 != null) |
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430 | return -1; |
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431 | else if(a1 != null && a2 == null) |
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432 | return 1; |
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433 | else |
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434 | return a1.getAddress().compareToIgnoreCase(a2.getAddress()); |
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435 | } |
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436 | |||
437 | public boolean equals(Object obj) |
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438 | { |
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439 | return (obj instanceof AddressComparator); |
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440 | } |
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441 | } |
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442 | } |