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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; |
1028 | dev | 6 | import ak.hostadmiral.util.CollectionInfo; |
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 InetDomainManager |
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1014 | dev | 12 | implements |
13 | UserBeforeDeleteListener, |
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14 | UserDeletingListener |
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919 | dev | 15 | { |
946 | dev | 16 | private static InetDomainManager inetDomainManager = null; |
919 | dev | 17 | private static boolean registered = false; |
946 | dev | 18 | |
19 | public static InetDomainManager getInstance() |
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20 | { |
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21 | return inetDomainManager; |
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22 | } |
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23 | |||
919 | dev | 24 | protected static void register() |
25 | { |
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26 | synchronized(InetDomainManager.class) { |
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27 | if(registered) return; |
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28 | |||
29 | registered = true; |
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30 | try { |
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31 | HibernateUtil.getConfiguration().addResource( |
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950 | dev | 32 | "ak/hostadmiral/core/model/InetDomain.hbm.xml"); |
946 | dev | 33 | |
34 | inetDomainManager = new InetDomainManager(); |
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919 | dev | 35 | } |
36 | catch(Exception ex) { |
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37 | ex.printStackTrace(); |
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38 | throw new RuntimeException(ex.getMessage()); |
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39 | } |
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40 | } |
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41 | } |
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42 | |||
43 | static { |
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44 | register(); |
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45 | } |
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46 | |||
1011 | dev | 47 | private Collection createdListeners = new ArrayList(); |
48 | private Collection modifiedListeners = new ArrayList(); |
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949 | dev | 49 | private Collection beforeDeleteListeners = new ArrayList(); |
1014 | dev | 50 | private Collection deletingListeners = new ArrayList(); |
1011 | dev | 51 | private Collection deletedListeners = new ArrayList(); |
949 | dev | 52 | |
919 | dev | 53 | private InetDomainManager() |
54 | { |
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946 | dev | 55 | UserManager.getInstance().addBeforeDeleteListener(this); |
1014 | dev | 56 | UserManager.getInstance().addDeletingListener(this); |
919 | dev | 57 | } |
58 | |||
59 | public InetDomain create(User editor) |
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60 | throws ModelException |
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61 | { |
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62 | if(!allowedToCreate(editor)) throw new ModelSecurityException(); |
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63 | |||
64 | return new InetDomain(); |
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65 | } |
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66 | |||
67 | public boolean allowedToCreate(User editor) |
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68 | throws ModelException |
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69 | { |
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921 | dev | 70 | return InetDomain.allowedToCreate(this, editor); |
919 | dev | 71 | } |
72 | |||
73 | public InetDomain get(User editor, Long id) |
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74 | throws ModelException |
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75 | { |
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76 | InetDomain domain; |
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77 | |||
78 | try { |
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79 | domain = (InetDomain)HibernateUtil.currentSession().load( |
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80 | InetDomain.class, id); |
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81 | } |
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82 | catch(HibernateException ex) |
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83 | { |
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84 | throw new ModelException(ex); |
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85 | } |
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86 | |||
87 | if(!domain.viewableBy(editor)) |
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88 | throw new ModelSecurityException(); |
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89 | |||
90 | return domain; |
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91 | } |
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92 | |||
923 | dev | 93 | public boolean nameExists(User editor, InetDomain domain, String name) |
94 | throws ModelException |
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95 | { |
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96 | try { |
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97 | if(domain.getId() == null) |
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98 | return ((Integer)HibernateUtil.currentSession().iterate( |
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99 | "select count(*) from InetDomain d where name = ?", |
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100 | name, Hibernate.STRING) |
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101 | .next()).intValue() > 0; |
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102 | else |
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103 | return ((Integer)HibernateUtil.currentSession().iterate( |
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104 | "select count(*) from InetDomain d where name = ? and d != ?", |
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105 | new Object[] { name, domain }, |
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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 | } |
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109 | catch(HibernateException ex) |
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110 | { |
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111 | throw new ModelException(ex); |
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112 | } |
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113 | } |
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114 | |||
919 | dev | 115 | protected InetDomain findForName(String name) |
116 | throws ModelException |
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117 | { |
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118 | try { |
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119 | List list = HibernateUtil.currentSession().find( |
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1018 | dev | 120 | "select d from InetDomain d left join fetch d.owner where d.name=?", |
121 | name, Hibernate.STRING); |
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919 | dev | 122 | |
123 | if(list.size() == 0) |
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124 | return null; |
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125 | else |
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126 | return (InetDomain)list.get(0); |
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127 | } |
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128 | catch(HibernateException ex) |
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129 | { |
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130 | throw new ModelException(ex); |
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131 | } |
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132 | } |
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133 | |||
946 | dev | 134 | public void save(User editor, InetDomain domain) |
919 | dev | 135 | throws ModelException |
136 | { |
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946 | dev | 137 | if(!domain.editableBy(editor)) |
919 | dev | 138 | throw new ModelSecurityException(); |
139 | |||
1011 | dev | 140 | boolean isNew = domain.isNew(); |
141 | |||
1010 | dev | 142 | //domain.setModUser(editor); // FIXME |
919 | dev | 143 | |
144 | try { |
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946 | dev | 145 | HibernateUtil.currentSession().saveOrUpdate(domain); |
919 | dev | 146 | } |
147 | catch(HibernateException ex) |
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148 | { |
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149 | throw new ModelException(ex); |
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150 | } |
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1011 | dev | 151 | |
152 | // inform listeners |
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153 | if(isNew) { |
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154 | for(Iterator i = createdListeners.iterator(); i.hasNext(); ) { |
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155 | InetDomainCreatedListener listener = (InetDomainCreatedListener)i.next(); |
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156 | listener.inetDomainCreated(editor, domain); |
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157 | } |
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158 | } |
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159 | else { |
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160 | InetDomain oldDomain = domain.getOrigin(); |
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161 | if(oldDomain == null) oldDomain = domain; |
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162 | for(Iterator i = modifiedListeners.iterator(); i.hasNext(); ) { |
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163 | InetDomainModifiedListener listener = (InetDomainModifiedListener)i.next(); |
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164 | listener.inetDomainModified(editor, domain, oldDomain); |
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165 | } |
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166 | } |
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919 | dev | 167 | } |
168 | |||
1011 | dev | 169 | public void addCreatedListener(InetDomainCreatedListener listener) |
949 | dev | 170 | { |
1011 | dev | 171 | createdListeners.add(listener); |
172 | } |
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173 | |||
174 | public void removeCreatedListener(InetDomainCreatedListener listener) |
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175 | { |
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176 | createdListeners.remove(listener); |
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177 | } |
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178 | |||
179 | public void addModifiedListener(InetDomainModifiedListener listener) |
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180 | { |
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181 | modifiedListeners.add(listener); |
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182 | } |
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183 | |||
184 | public void removeModifiedListener(InetDomainModifiedListener listener) |
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185 | { |
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186 | modifiedListeners.remove(listener); |
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187 | } |
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188 | |||
189 | public void addBeforeDeleteListener(InetDomainBeforeDeleteListener listener) |
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190 | { |
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949 | dev | 191 | beforeDeleteListeners.add(listener); |
192 | } |
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193 | |||
1011 | dev | 194 | public void removeBeforeDeleteListener(InetDomainBeforeDeleteListener listener) |
949 | dev | 195 | { |
196 | beforeDeleteListeners.remove(listener); |
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197 | } |
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198 | |||
1014 | dev | 199 | public void addDeletingListener(InetDomainDeletingListener listener) |
200 | { |
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201 | deletingListeners.add(listener); |
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202 | } |
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203 | |||
204 | public void removeDeletingListener(InetDomainDeletingListener listener) |
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205 | { |
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206 | deletingListeners.remove(listener); |
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207 | } |
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208 | |||
1011 | dev | 209 | public void addDeletedListener(InetDomainDeletedListener listener) |
210 | { |
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211 | deletedListeners.add(listener); |
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212 | } |
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213 | |||
214 | public void removeDeletedListener(InetDomainDeletedListener listener) |
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215 | { |
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216 | deletedListeners.remove(listener); |
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217 | } |
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218 | |||
949 | dev | 219 | public Collection beforeDelete(User editor, InetDomain domain, Collection known) |
919 | dev | 220 | throws ModelException |
946 | dev | 221 | { |
222 | Collection cascade = new ArrayList(); |
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949 | dev | 223 | |
946 | dev | 224 | for(Iterator i = beforeDeleteListeners.iterator(); i.hasNext(); ) { |
225 | InetDomainBeforeDeleteListener listener = (InetDomainBeforeDeleteListener)i.next(); |
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949 | dev | 226 | Collection subcascade = listener.inetDomainBeforeDelete(editor, domain, known); |
946 | dev | 227 | if(subcascade != null) |
228 | cascade.addAll(subcascade); |
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229 | } |
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949 | dev | 230 | |
946 | dev | 231 | return cascade; |
232 | } |
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233 | |||
234 | public void delete(User editor, InetDomain domain) |
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235 | throws ModelException |
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919 | dev | 236 | { |
1011 | dev | 237 | // check rights |
946 | dev | 238 | if(!domain.deleteableBy(editor)) |
919 | dev | 239 | throw new ModelSecurityException(); |
240 | |||
1014 | dev | 241 | // inform deleting listeners |
242 | for(Iterator i = deletingListeners.iterator(); i.hasNext(); ) { |
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243 | InetDomainDeletingListener listener = (InetDomainDeletingListener)i.next(); |
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244 | listener.inetDomainDeleting(editor, domain); |
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245 | } |
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246 | |||
1011 | dev | 247 | // backup copy |
248 | InetDomain oldDomain = new InetDomain(domain); |
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249 | |||
250 | // delete it |
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919 | dev | 251 | try { |
252 | |||
946 | dev | 253 | HibernateUtil.currentSession().delete(domain); |
919 | dev | 254 | } |
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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1011 | dev | 259 | |
1014 | dev | 260 | // inform deleted listeners |
1011 | dev | 261 | for(Iterator i = deletedListeners.iterator(); i.hasNext(); ) { |
262 | InetDomainDeletedListener listener = (InetDomainDeletedListener)i.next(); |
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263 | listener.inetDomainDeleted(editor, oldDomain); |
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264 | } |
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919 | dev | 265 | } |
266 | |||
267 | public Collection listInetDomains(User editor) |
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268 | throws ModelException |
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269 | { |
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1028 | dev | 270 | return listInetDomains(null, 0, 0, null, editor); |
271 | } |
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272 | |||
273 | public Collection listInetDomains(CollectionInfo info, int rowsPerPage, int pageNumber, |
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274 | Integer[] sortingKeys, User editor) |
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275 | throws ModelException |
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276 | { |
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919 | dev | 277 | try { |
1028 | dev | 278 | if(editor.isSuperuser()) { |
279 | if(info != null) { |
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280 | info.init(((Integer)HibernateUtil.currentSession().iterate( |
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281 | "select count(*) from InetDomain").next()).intValue(), |
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282 | pageNumber, rowsPerPage); |
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283 | } |
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284 | |||
285 | |||
286 | return HibernateUtil.pageableList(rowsPerPage, pageNumber, |
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287 | "select d from InetDomain d left join fetch d.owner" |
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288 | + HibernateUtil.formOrderClause(sortingKeys, sortKeys), null, null); |
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289 | } |
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290 | else { |
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291 | if(info != null) { |
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292 | info.init(((Integer)HibernateUtil.currentSession().iterate( |
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293 | "select count(*) from InetDomain where d.owner=?", |
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294 | editor, Hibernate.entity(User.class)).next()).intValue(), |
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295 | pageNumber, rowsPerPage); |
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296 | } |
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297 | |||
298 | return HibernateUtil.pageableList(rowsPerPage, pageNumber, |
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299 | "select d from InetDomain d where d.owner=?" |
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300 | + HibernateUtil.formOrderClause(sortingKeys, sortKeys), |
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301 | new Object[] { editor }, new Type[] { Hibernate.entity(User.class) } ); |
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302 | } |
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919 | dev | 303 | } |
304 | catch(HibernateException ex) |
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305 | { |
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306 | throw new ModelException(ex); |
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307 | } |
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308 | } |
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309 | |||
310 | public boolean areInetDomainsAvailable(User editor) |
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311 | throws ModelException |
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312 | { |
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313 | try { |
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314 | if(editor.isSuperuser()) |
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315 | return true; |
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316 | else |
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317 | return ((Integer)HibernateUtil.currentSession().iterate( |
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318 | "select count(*) from InetDomain where owner=?", |
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319 | editor, Hibernate.entity(User.class)).next()).intValue() > 0; |
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320 | } |
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321 | catch(HibernateException ex) |
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322 | { |
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323 | throw new ModelException(ex); |
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324 | } |
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325 | } |
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326 | |||
949 | dev | 327 | public Collection userBeforeDelete(User editor, User user, Collection known) |
946 | dev | 328 | throws ModelException |
919 | dev | 329 | { |
946 | dev | 330 | Collection domains; |
919 | dev | 331 | |
946 | dev | 332 | try { |
333 | domains = HibernateUtil.currentSession().find( |
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1018 | dev | 334 | "select d from InetDomain d where d.owner = ?", |
949 | dev | 335 | user, Hibernate.entity(User.class) ); |
946 | dev | 336 | } |
337 | catch(HibernateException ex) |
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338 | { |
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339 | throw new ModelException(ex); |
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340 | } |
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341 | |||
342 | Collection cascade = new ArrayList(); |
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343 | for(Iterator i = domains.iterator(); i.hasNext(); ) { |
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344 | InetDomain d = (InetDomain)i.next(); |
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345 | if(d.viewableBy(editor)) { |
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346 | if(d.deleteableBy(editor)) |
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347 | cascade.add(new CascadeDeleteElement(d, CascadeDeleteElement.DELETE, |
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949 | dev | 348 | this.beforeDelete(editor, d, known))); |
946 | dev | 349 | else |
350 | cascade.add(new CascadeDeleteElement(d, CascadeDeleteElement.FORBIDDEN, null)); |
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351 | } |
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352 | else { |
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353 | cascade.add(new CascadeDeleteElement(InetDomain.createLimitedCopy(d), |
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354 | CascadeDeleteElement.FORBIDDEN, null)); |
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355 | } |
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356 | } |
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357 | |||
358 | return cascade; |
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919 | dev | 359 | } |
360 | |||
1014 | dev | 361 | public void userDeleting(User editor, User user) |
362 | throws ModelException |
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363 | { |
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364 | Collection domains; |
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365 | |||
366 | try { |
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367 | domains = HibernateUtil.currentSession().find( |
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1018 | dev | 368 | "select d from InetDomain d where d.owner = ?", |
1014 | dev | 369 | user, Hibernate.entity(User.class) ); |
370 | } |
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371 | catch(HibernateException ex) |
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372 | { |
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373 | throw new ModelException(ex); |
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374 | } |
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375 | |||
376 | for(Iterator i = domains.iterator(); i.hasNext(); ) { |
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377 | delete(editor, (InetDomain)i.next()); |
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378 | } |
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379 | } |
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380 | |||
1028 | dev | 381 | public static final Integer SORT_NAME = new Integer(1); |
382 | |||
383 | protected static Map sortKeys = new HashMap(); |
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384 | |||
385 | static { |
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386 | sortKeys.put(SORT_NAME, "d.name"); |
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387 | } |
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388 | |||
919 | dev | 389 | public static final Comparator NAME_COMPARATOR = new NameComparator(); |
390 | |||
391 | private static class NameComparator |
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392 | implements Comparator |
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393 | { |
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394 | public int compare(Object o1, Object o2) |
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395 | { |
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396 | if(!(o1 instanceof InetDomain) || !(o2 instanceof InetDomain)) |
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397 | throw new ClassCastException("not a InetDomain"); |
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398 | |||
399 | InetDomain a1 = (InetDomain)o1; |
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400 | InetDomain a2 = (InetDomain)o2; |
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401 | |||
402 | if(a1 == null && a2 == null) |
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403 | return 0; |
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404 | else if(a1 == null && a2 != null) |
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405 | return -1; |
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406 | else if(a1 != null && a2 == null) |
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407 | return 1; |
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408 | else |
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409 | return a1.getName().compareToIgnoreCase(a2.getName()); |
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410 | } |
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411 | |||
412 | public boolean equals(Object obj) |
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413 | { |
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414 | return (obj instanceof NameComparator); |
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415 | } |
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416 | } |
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417 | } |