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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 MailboxManager |
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949 | dev | 11 | implements |
12 | UserBeforeDeleteListener, |
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1014 | dev | 13 | UserDeletingListener, |
949 | dev | 14 | SystemUserBeforeDeleteListener, |
1014 | dev | 15 | SystemUserDeletingListener, |
16 | InetDomainBeforeDeleteListener, |
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17 | InetDomainDeletingListener |
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919 | dev | 18 | { |
949 | dev | 19 | private static MailboxManager mailboxManager = null; |
919 | dev | 20 | private static boolean registered = false; |
949 | dev | 21 | |
22 | public static MailboxManager getInstance() |
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23 | { |
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24 | return mailboxManager; |
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25 | } |
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26 | |||
919 | dev | 27 | protected static void register() |
28 | { |
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29 | synchronized(MailboxManager.class) { |
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30 | if(registered) return; |
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31 | |||
32 | registered = true; |
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33 | try { |
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34 | HibernateUtil.getConfiguration().addResource( |
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950 | dev | 35 | "ak/hostadmiral/core/model/Mailbox.hbm.xml"); |
949 | dev | 36 | |
37 | mailboxManager = new MailboxManager(); |
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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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949 | dev | 52 | private Collection beforeDeleteListeners = new ArrayList(); |
1014 | dev | 53 | private Collection deletingListeners = new ArrayList(); |
1011 | dev | 54 | private Collection deletedListeners = new ArrayList(); |
949 | dev | 55 | |
919 | dev | 56 | private MailboxManager() |
57 | { |
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949 | dev | 58 | UserManager.getInstance().addBeforeDeleteListener(this); |
59 | SystemUserManager.getInstance().addBeforeDeleteListener(this); |
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60 | InetDomainManager.getInstance().addBeforeDeleteListener(this); |
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919 | dev | 61 | } |
62 | |||
63 | public Mailbox create(User editor) |
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64 | throws ModelException |
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65 | { |
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66 | if(!allowedToCreate(editor)) throw new ModelSecurityException(); |
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67 | |||
68 | return new Mailbox(); |
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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 Mailbox.allowedToCreate(this, editor); |
919 | dev | 75 | } |
76 | |||
77 | public Mailbox get(User editor, Long id) |
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78 | throws ModelException |
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79 | { |
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80 | Mailbox mailbox; |
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81 | |||
82 | try { |
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83 | mailbox = (Mailbox)HibernateUtil.currentSession().load(Mailbox.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(!mailbox.viewableBy(editor)) |
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91 | throw new ModelSecurityException(); |
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92 | |||
93 | return mailbox; |
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94 | } |
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95 | |||
926 | dev | 96 | public boolean loginExists(User editor, Mailbox mailbox, String login) |
97 | throws ModelException |
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98 | { |
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99 | if(mailbox.getDomain() == null) |
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100 | throw new ModelException("Cannot check unique login for mailbox without domain"); |
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101 | |||
102 | try { |
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103 | if(mailbox.getId() == null) |
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104 | return ((Integer)HibernateUtil.currentSession().iterate( |
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105 | "select count(*) from Mailbox where login = ? and domain = ?", |
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106 | new Object[] { login, mailbox.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 Mailbox b where login = ? and domain = ? and b != ?", |
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112 | new Object[] { login, mailbox.getDomain(), mailbox }, |
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113 | new Type[] { Hibernate.STRING, Hibernate.entity(InetDomain.class), |
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114 | Hibernate.entity(Mailbox.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 Mailbox findForLogin(String login) |
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 Mailbox where login=?", login, 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 (Mailbox)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, Mailbox mailbox) |
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142 | throws ModelException |
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143 | { |
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144 | if(!mailbox.editableBy(editor)) |
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145 | throw new ModelSecurityException(); |
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146 | |||
1011 | dev | 147 | boolean isNew = mailbox.isNew(); |
148 | |||
1010 | dev | 149 | //mailbox.setModUser(editor); // FIXME |
919 | dev | 150 | |
151 | try { |
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152 | HibernateUtil.currentSession().saveOrUpdate(mailbox); |
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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 | MailboxCreatedListener listener = (MailboxCreatedListener)i.next(); |
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163 | listener.mailboxCreated(editor, mailbox); |
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164 | } |
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165 | } |
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166 | else { |
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167 | Mailbox oldMailbox = mailbox.getOrigin(); |
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168 | if(oldMailbox == null) oldMailbox = mailbox; |
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169 | for(Iterator i = modifiedListeners.iterator(); i.hasNext(); ) { |
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170 | MailboxModifiedListener listener = (MailboxModifiedListener)i.next(); |
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171 | listener.mailboxModified(editor, mailbox, oldMailbox); |
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172 | } |
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173 | } |
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919 | dev | 174 | } |
175 | |||
1011 | dev | 176 | public void addCreatedListener(MailboxCreatedListener listener) |
177 | { |
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178 | createdListeners.add(listener); |
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179 | } |
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180 | |||
181 | public void removeCreatedListener(MailboxCreatedListener 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(MailboxModifiedListener 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(MailboxModifiedListener listener) |
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192 | { |
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193 | modifiedListeners.remove(listener); |
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194 | } |
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195 | |||
949 | dev | 196 | public void addBeforeDeleteListener(MailboxBeforeDeleteListener listener) |
197 | { |
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198 | beforeDeleteListeners.add(listener); |
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199 | } |
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200 | |||
201 | public void removeBeforeDeleteListener(MailboxBeforeDeleteListener 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(MailboxDeletingListener listener) |
207 | { |
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208 | deletingListeners.add(listener); |
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209 | } |
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210 | |||
211 | public void removeDeletingListener(MailboxDeletingListener 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(MailboxDeletedListener listener) |
217 | { |
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218 | deletedListeners.add(listener); |
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219 | } |
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220 | |||
221 | public void removeDeletedListener(MailboxDeletedListener listener) |
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222 | { |
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223 | deletedListeners.remove(listener); |
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224 | } |
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225 | |||
949 | dev | 226 | public Collection beforeDelete(User editor, Mailbox mailbox, Collection known) |
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 | MailboxBeforeDeleteListener listener = (MailboxBeforeDeleteListener)i.next(); |
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233 | Collection subcascade = listener.mailboxBeforeDelete(editor, mailbox, 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, Mailbox mailbox) |
242 | throws ModelException |
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243 | { |
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1011 | dev | 244 | // check rights |
919 | dev | 245 | if(!mailbox.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 | MailboxDeletingListener listener = (MailboxDeletingListener)i.next(); |
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251 | listener.mailboxDeleting(editor, mailbox); |
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252 | } |
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253 | |||
1011 | dev | 254 | // backup copy |
255 | Mailbox oldMailbox = new Mailbox(mailbox); |
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256 | |||
257 | // delete it |
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919 | dev | 258 | try { |
259 | HibernateUtil.currentSession().delete(mailbox); |
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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 | MailboxDeletedListener listener = (MailboxDeletedListener)i.next(); |
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269 | listener.mailboxDeleted(editor, oldMailbox); |
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270 | } |
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919 | dev | 271 | } |
272 | |||
273 | public Collection listMailboxes(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 Mailbox"); |
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279 | else |
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280 | return HibernateUtil.currentSession().find( |
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281 | "select mb from Mailbox mb left join mb.domain as d" |
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282 | + " where d.owner=? or mb.owner=?", |
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283 | new Object[] { editor, editor }, |
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284 | new Type[] { Hibernate.entity(User.class), Hibernate.entity(User.class) } ); |
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285 | } |
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286 | catch(HibernateException ex) |
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287 | { |
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288 | throw new ModelException(ex); |
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289 | } |
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290 | } |
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291 | |||
292 | public boolean areMailboxesAvailable(User editor) |
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293 | throws ModelException |
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294 | { |
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295 | try { |
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296 | if(editor.isSuperuser() |
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297 | || InetDomainManager.getInstance().areInetDomainsAvailable(editor)) |
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298 | { |
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299 | return true; |
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300 | } |
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301 | else { |
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302 | return ((Integer)HibernateUtil.currentSession().iterate( |
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303 | "select count(*) from Mailbox mb left join mb.domain as d" |
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304 | + " where d.owner=? or mb.owner=?", |
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305 | new Object[] { editor, editor }, |
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306 | new Type[] { Hibernate.entity(User.class), Hibernate.entity(User.class) }) |
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307 | .next()).intValue() > 0; |
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308 | } |
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309 | } |
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310 | catch(HibernateException ex) |
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311 | { |
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312 | throw new ModelException(ex); |
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313 | } |
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314 | } |
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315 | |||
949 | dev | 316 | public Collection userBeforeDelete(User editor, User user, Collection known) |
317 | throws ModelException |
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318 | { |
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319 | Collection mailboxes; |
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919 | dev | 320 | |
949 | dev | 321 | try { |
322 | mailboxes = HibernateUtil.currentSession().find( |
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323 | "from Mailbox where owner = ?", |
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324 | user, Hibernate.entity(User.class) ); |
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325 | } |
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326 | catch(HibernateException ex) |
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327 | { |
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328 | throw new ModelException(ex); |
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329 | } |
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330 | |||
331 | return iterateBeforeDelete(editor, mailboxes, known); |
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332 | } |
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333 | |||
1014 | dev | 334 | public void userDeleting(User editor, User user) |
335 | throws ModelException |
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336 | { |
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337 | Collection mailboxes; |
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338 | |||
339 | try { |
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340 | mailboxes = HibernateUtil.currentSession().find( |
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341 | "from Mailbox where owner = ?", |
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342 | user, Hibernate.entity(User.class) ); |
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343 | } |
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344 | catch(HibernateException ex) |
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345 | { |
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346 | throw new ModelException(ex); |
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347 | } |
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348 | |||
349 | for(Iterator i = mailboxes.iterator(); i.hasNext(); ) { |
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350 | delete(editor, (Mailbox)i.next()); |
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351 | } |
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352 | } |
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353 | |||
949 | dev | 354 | public Collection inetDomainBeforeDelete(User editor, InetDomain domain, Collection known) |
355 | throws ModelException |
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919 | dev | 356 | { |
949 | dev | 357 | Collection mailboxes; |
919 | dev | 358 | |
949 | dev | 359 | try { |
360 | mailboxes = HibernateUtil.currentSession().find( |
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361 | "from Mailbox where domain = ?", |
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362 | domain, Hibernate.entity(InetDomain.class) ); |
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363 | } |
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364 | catch(HibernateException ex) |
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365 | { |
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366 | throw new ModelException(ex); |
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367 | } |
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368 | |||
369 | return iterateBeforeDelete(editor, mailboxes, known); |
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370 | } |
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371 | |||
1014 | dev | 372 | public void inetDomainDeleting(User editor, InetDomain domain) |
373 | throws ModelException |
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374 | { |
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375 | Collection mailboxes; |
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376 | |||
377 | try { |
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378 | mailboxes = HibernateUtil.currentSession().find( |
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379 | "from Mailbox where domain = ?", |
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380 | domain, Hibernate.entity(InetDomain.class) ); |
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381 | } |
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382 | catch(HibernateException ex) |
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383 | { |
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384 | throw new ModelException(ex); |
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385 | } |
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386 | |||
387 | for(Iterator i = mailboxes.iterator(); i.hasNext(); ) { |
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388 | delete(editor, (Mailbox)i.next()); |
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389 | } |
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390 | } |
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391 | |||
949 | dev | 392 | public Collection systemUserBeforeDelete(User editor, SystemUser user, Collection known) |
393 | throws ModelException |
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394 | { |
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395 | Collection mailboxes; |
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396 | |||
397 | try { |
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398 | mailboxes = HibernateUtil.currentSession().find( |
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399 | "from Mailbox where systemUser = ?", |
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400 | user, Hibernate.entity(SystemUser.class) ); |
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401 | } |
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402 | catch(HibernateException ex) |
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403 | { |
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404 | throw new ModelException(ex); |
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405 | } |
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406 | |||
407 | return iterateBeforeDelete(editor, mailboxes, known); |
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408 | } |
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409 | |||
1014 | dev | 410 | public void systemUserDeleting(User editor, SystemUser user) |
411 | throws ModelException |
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412 | { |
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413 | Collection mailboxes; |
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414 | |||
415 | try { |
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416 | mailboxes = HibernateUtil.currentSession().find( |
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417 | "from Mailbox where systemUser = ?", |
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418 | user, Hibernate.entity(SystemUser.class) ); |
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419 | } |
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420 | catch(HibernateException ex) |
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421 | { |
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422 | throw new ModelException(ex); |
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423 | } |
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424 | |||
425 | for(Iterator i = mailboxes.iterator(); i.hasNext(); ) { |
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426 | delete(editor, (Mailbox)i.next()); |
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427 | } |
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428 | } |
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429 | |||
949 | dev | 430 | private Collection iterateBeforeDelete(User editor, Collection mailboxes, Collection known) |
431 | throws ModelException |
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432 | { |
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433 | Collection cascade = new ArrayList(); |
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434 | for(Iterator i = mailboxes.iterator(); i.hasNext(); ) { |
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435 | Mailbox mailbox = (Mailbox)i.next(); |
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436 | if(mailbox.viewableBy(editor)) { |
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437 | if(mailbox.deleteableBy(editor)) |
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438 | cascade.add(new CascadeDeleteElement(mailbox, CascadeDeleteElement.DELETE, |
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439 | this.beforeDelete(editor, mailbox, known))); |
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440 | else |
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441 | cascade.add(new CascadeDeleteElement(mailbox, CascadeDeleteElement.FORBIDDEN, |
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442 | null)); |
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443 | } |
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444 | else { |
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445 | cascade.add(new CascadeDeleteElement(Mailbox.createLimitedCopy(mailbox), |
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446 | CascadeDeleteElement.FORBIDDEN, null)); |
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447 | } |
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448 | } |
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449 | |||
450 | return cascade; |
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919 | dev | 451 | } |
452 | |||
453 | public static final Comparator LOGIN_COMPARATOR = new LoginComparator(); |
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454 | |||
455 | private static class LoginComparator |
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456 | implements Comparator |
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457 | { |
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458 | public int compare(Object o1, Object o2) |
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459 | { |
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460 | if(!(o1 instanceof Mailbox) || !(o2 instanceof Mailbox)) |
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461 | throw new ClassCastException("not a Mailbox"); |
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462 | |||
463 | Mailbox a1 = (Mailbox)o1; |
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464 | Mailbox a2 = (Mailbox)o2; |
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465 | |||
466 | if(a1 == null && a2 == null) |
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467 | return 0; |
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468 | else if(a1 == null && a2 != null) |
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469 | return -1; |
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470 | else if(a1 != null && a2 == null) |
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471 | return 1; |
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472 | else |
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473 | return a1.getLogin().compareToIgnoreCase(a2.getLogin()); |
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474 | } |
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475 | |||
476 | public boolean equals(Object obj) |
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477 | { |
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478 | return (obj instanceof LoginComparator); |
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479 | } |
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480 | } |
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481 | } |