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Rev | Author | Line No. | Line |
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924 | dev | 1 | package ak.hostadmiral.core.model; |
919 | dev | 2 | |
3 | import java.util.*; |
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4 | import net.sf.hibernate.*; |
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923 | dev | 5 | import net.sf.hibernate.type.Type; |
924 | dev | 6 | import ak.hostadmiral.util.HibernateUtil; |
7 | import ak.hostadmiral.util.ModelException; |
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8 | import ak.hostadmiral.util.ModelSecurityException; |
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919 | dev | 9 | |
10 | public class InetDomainManager |
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946 | dev | 11 | implements UserBeforeDeleteListener |
919 | dev | 12 | { |
946 | dev | 13 | private static InetDomainManager inetDomainManager = null; |
919 | dev | 14 | private static boolean registered = false; |
946 | dev | 15 | |
16 | public static InetDomainManager getInstance() |
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17 | { |
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18 | return inetDomainManager; |
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19 | } |
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20 | |||
919 | dev | 21 | protected static void register() |
22 | { |
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23 | synchronized(InetDomainManager.class) { |
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24 | if(registered) return; |
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25 | |||
26 | registered = true; |
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27 | try { |
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28 | HibernateUtil.getConfiguration().addResource( |
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950 | dev | 29 | "ak/hostadmiral/core/model/InetDomain.hbm.xml"); |
946 | dev | 30 | |
31 | inetDomainManager = new InetDomainManager(); |
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919 | dev | 32 | } |
33 | catch(Exception ex) { |
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34 | ex.printStackTrace(); |
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35 | throw new RuntimeException(ex.getMessage()); |
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36 | } |
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37 | } |
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38 | } |
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39 | |||
40 | static { |
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41 | register(); |
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42 | } |
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43 | |||
1011 | dev | 44 | private Collection createdListeners = new ArrayList(); |
45 | private Collection modifiedListeners = new ArrayList(); |
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949 | dev | 46 | private Collection beforeDeleteListeners = new ArrayList(); |
1011 | dev | 47 | private Collection deletedListeners = new ArrayList(); |
949 | dev | 48 | |
919 | dev | 49 | private InetDomainManager() |
50 | { |
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946 | dev | 51 | UserManager.getInstance().addBeforeDeleteListener(this); |
919 | dev | 52 | } |
53 | |||
54 | public InetDomain create(User editor) |
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55 | throws ModelException |
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56 | { |
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57 | if(!allowedToCreate(editor)) throw new ModelSecurityException(); |
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58 | |||
59 | return new InetDomain(); |
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60 | } |
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61 | |||
62 | public boolean allowedToCreate(User editor) |
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63 | throws ModelException |
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64 | { |
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921 | dev | 65 | return InetDomain.allowedToCreate(this, editor); |
919 | dev | 66 | } |
67 | |||
68 | public InetDomain get(User editor, Long id) |
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69 | throws ModelException |
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70 | { |
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71 | InetDomain domain; |
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72 | |||
73 | try { |
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74 | domain = (InetDomain)HibernateUtil.currentSession().load( |
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75 | InetDomain.class, id); |
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76 | } |
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77 | catch(HibernateException ex) |
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78 | { |
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79 | throw new ModelException(ex); |
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80 | } |
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81 | |||
82 | if(!domain.viewableBy(editor)) |
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83 | throw new ModelSecurityException(); |
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84 | |||
85 | return domain; |
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86 | } |
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87 | |||
923 | dev | 88 | public boolean nameExists(User editor, InetDomain domain, String name) |
89 | throws ModelException |
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90 | { |
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91 | try { |
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92 | if(domain.getId() == null) |
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93 | return ((Integer)HibernateUtil.currentSession().iterate( |
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94 | "select count(*) from InetDomain d where name = ?", |
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95 | name, Hibernate.STRING) |
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96 | .next()).intValue() > 0; |
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97 | else |
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98 | return ((Integer)HibernateUtil.currentSession().iterate( |
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99 | "select count(*) from InetDomain d where name = ? and d != ?", |
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100 | new Object[] { name, domain }, |
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101 | new Type[] { Hibernate.STRING, Hibernate.entity(InetDomain.class) } ) |
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102 | .next()).intValue() > 0; |
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103 | } |
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104 | catch(HibernateException ex) |
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105 | { |
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106 | throw new ModelException(ex); |
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107 | } |
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108 | } |
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109 | |||
919 | dev | 110 | protected InetDomain findForName(String name) |
111 | throws ModelException |
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112 | { |
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113 | try { |
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114 | List list = HibernateUtil.currentSession().find( |
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115 | "from InetDomain where name=?", name, Hibernate.STRING); |
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116 | |||
117 | if(list.size() == 0) |
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118 | return null; |
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119 | else |
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120 | return (InetDomain)list.get(0); |
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121 | } |
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122 | catch(HibernateException ex) |
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123 | { |
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124 | throw new ModelException(ex); |
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125 | } |
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126 | } |
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127 | |||
946 | dev | 128 | public void save(User editor, InetDomain domain) |
919 | dev | 129 | throws ModelException |
130 | { |
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946 | dev | 131 | if(!domain.editableBy(editor)) |
919 | dev | 132 | throw new ModelSecurityException(); |
133 | |||
1011 | dev | 134 | boolean isNew = domain.isNew(); |
135 | |||
1010 | dev | 136 | //domain.setModUser(editor); // FIXME |
919 | dev | 137 | |
138 | try { |
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946 | dev | 139 | HibernateUtil.currentSession().saveOrUpdate(domain); |
919 | dev | 140 | } |
141 | catch(HibernateException ex) |
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142 | { |
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143 | throw new ModelException(ex); |
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144 | } |
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1011 | dev | 145 | |
146 | // inform listeners |
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147 | if(isNew) { |
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148 | for(Iterator i = createdListeners.iterator(); i.hasNext(); ) { |
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149 | InetDomainCreatedListener listener = (InetDomainCreatedListener)i.next(); |
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150 | listener.inetDomainCreated(editor, domain); |
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151 | } |
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152 | } |
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153 | else { |
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154 | InetDomain oldDomain = domain.getOrigin(); |
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155 | if(oldDomain == null) oldDomain = domain; |
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156 | for(Iterator i = modifiedListeners.iterator(); i.hasNext(); ) { |
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157 | InetDomainModifiedListener listener = (InetDomainModifiedListener)i.next(); |
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158 | listener.inetDomainModified(editor, domain, oldDomain); |
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159 | } |
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160 | } |
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919 | dev | 161 | } |
162 | |||
1011 | dev | 163 | public void addCreatedListener(InetDomainCreatedListener listener) |
949 | dev | 164 | { |
1011 | dev | 165 | createdListeners.add(listener); |
166 | } |
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167 | |||
168 | public void removeCreatedListener(InetDomainCreatedListener listener) |
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169 | { |
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170 | createdListeners.remove(listener); |
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171 | } |
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172 | |||
173 | public void addModifiedListener(InetDomainModifiedListener listener) |
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174 | { |
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175 | modifiedListeners.add(listener); |
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176 | } |
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177 | |||
178 | public void removeModifiedListener(InetDomainModifiedListener listener) |
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179 | { |
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180 | modifiedListeners.remove(listener); |
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181 | } |
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182 | |||
183 | public void addBeforeDeleteListener(InetDomainBeforeDeleteListener listener) |
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184 | { |
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949 | dev | 185 | beforeDeleteListeners.add(listener); |
186 | } |
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187 | |||
1011 | dev | 188 | public void removeBeforeDeleteListener(InetDomainBeforeDeleteListener listener) |
949 | dev | 189 | { |
190 | beforeDeleteListeners.remove(listener); |
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191 | } |
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192 | |||
1011 | dev | 193 | public void addDeletedListener(InetDomainDeletedListener listener) |
194 | { |
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195 | deletedListeners.add(listener); |
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196 | } |
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197 | |||
198 | public void removeDeletedListener(InetDomainDeletedListener listener) |
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199 | { |
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200 | deletedListeners.remove(listener); |
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201 | } |
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202 | |||
949 | dev | 203 | public Collection beforeDelete(User editor, InetDomain domain, Collection known) |
919 | dev | 204 | throws ModelException |
946 | dev | 205 | { |
206 | Collection cascade = new ArrayList(); |
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949 | dev | 207 | |
946 | dev | 208 | for(Iterator i = beforeDeleteListeners.iterator(); i.hasNext(); ) { |
209 | InetDomainBeforeDeleteListener listener = (InetDomainBeforeDeleteListener)i.next(); |
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949 | dev | 210 | Collection subcascade = listener.inetDomainBeforeDelete(editor, domain, known); |
946 | dev | 211 | if(subcascade != null) |
212 | cascade.addAll(subcascade); |
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213 | } |
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949 | dev | 214 | |
946 | dev | 215 | return cascade; |
216 | } |
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217 | |||
218 | public void delete(User editor, InetDomain domain) |
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219 | throws ModelException |
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919 | dev | 220 | { |
1011 | dev | 221 | // check rights |
946 | dev | 222 | if(!domain.deleteableBy(editor)) |
919 | dev | 223 | throw new ModelSecurityException(); |
224 | |||
1011 | dev | 225 | // backup copy |
226 | InetDomain oldDomain = new InetDomain(domain); |
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227 | |||
228 | // delete it |
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919 | dev | 229 | try { |
230 | |||
946 | dev | 231 | HibernateUtil.currentSession().delete(domain); |
919 | dev | 232 | } |
233 | catch(HibernateException ex) |
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234 | { |
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235 | throw new ModelException(ex); |
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236 | } |
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1011 | dev | 237 | |
238 | // inform listeners |
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239 | for(Iterator i = deletedListeners.iterator(); i.hasNext(); ) { |
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240 | InetDomainDeletedListener listener = (InetDomainDeletedListener)i.next(); |
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241 | listener.inetDomainDeleted(editor, oldDomain); |
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242 | } |
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919 | dev | 243 | } |
244 | |||
245 | public Collection listInetDomains(User editor) |
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246 | throws ModelException |
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247 | { |
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248 | try { |
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249 | if(editor.isSuperuser()) |
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250 | return HibernateUtil.currentSession().find("from InetDomain"); |
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251 | else |
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252 | return HibernateUtil.currentSession().find( |
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253 | "from InetDomain where owner=?", editor, Hibernate.entity(User.class)); |
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254 | } |
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255 | catch(HibernateException ex) |
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256 | { |
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257 | throw new ModelException(ex); |
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258 | } |
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259 | } |
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260 | |||
261 | public boolean areInetDomainsAvailable(User editor) |
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262 | throws ModelException |
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263 | { |
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264 | try { |
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265 | if(editor.isSuperuser()) |
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266 | return true; |
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267 | else |
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268 | return ((Integer)HibernateUtil.currentSession().iterate( |
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269 | "select count(*) from InetDomain where owner=?", |
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270 | editor, Hibernate.entity(User.class)).next()).intValue() > 0; |
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271 | } |
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272 | catch(HibernateException ex) |
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273 | { |
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274 | throw new ModelException(ex); |
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275 | } |
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276 | } |
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277 | |||
949 | dev | 278 | public Collection userBeforeDelete(User editor, User user, Collection known) |
946 | dev | 279 | throws ModelException |
919 | dev | 280 | { |
946 | dev | 281 | Collection domains; |
919 | dev | 282 | |
946 | dev | 283 | try { |
284 | domains = HibernateUtil.currentSession().find( |
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285 | "from InetDomain where owner = ?", |
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949 | dev | 286 | user, Hibernate.entity(User.class) ); |
946 | dev | 287 | } |
288 | catch(HibernateException ex) |
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289 | { |
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290 | throw new ModelException(ex); |
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291 | } |
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292 | |||
293 | Collection cascade = new ArrayList(); |
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294 | for(Iterator i = domains.iterator(); i.hasNext(); ) { |
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295 | InetDomain d = (InetDomain)i.next(); |
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296 | if(d.viewableBy(editor)) { |
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297 | if(d.deleteableBy(editor)) |
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298 | cascade.add(new CascadeDeleteElement(d, CascadeDeleteElement.DELETE, |
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949 | dev | 299 | this.beforeDelete(editor, d, known))); |
946 | dev | 300 | else |
301 | cascade.add(new CascadeDeleteElement(d, CascadeDeleteElement.FORBIDDEN, null)); |
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302 | } |
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303 | else { |
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304 | cascade.add(new CascadeDeleteElement(InetDomain.createLimitedCopy(d), |
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305 | CascadeDeleteElement.FORBIDDEN, null)); |
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306 | } |
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307 | } |
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308 | |||
309 | return cascade; |
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919 | dev | 310 | } |
311 | |||
312 | public static final Comparator NAME_COMPARATOR = new NameComparator(); |
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313 | |||
314 | private static class NameComparator |
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315 | implements Comparator |
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316 | { |
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317 | public int compare(Object o1, Object o2) |
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318 | { |
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319 | if(!(o1 instanceof InetDomain) || !(o2 instanceof InetDomain)) |
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320 | throw new ClassCastException("not a InetDomain"); |
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321 | |||
322 | InetDomain a1 = (InetDomain)o1; |
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323 | InetDomain a2 = (InetDomain)o2; |
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324 | |||
325 | if(a1 == null && a2 == null) |
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326 | return 0; |
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327 | else if(a1 == null && a2 != null) |
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328 | return -1; |
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329 | else if(a1 != null && a2 == null) |
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330 | return 1; |
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331 | else |
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332 | return a1.getName().compareToIgnoreCase(a2.getName()); |
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333 | } |
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334 | |||
335 | public boolean equals(Object obj) |
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336 | { |
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337 | return (obj instanceof NameComparator); |
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338 | } |
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339 | } |
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340 | } |