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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 | |||
949 | dev | 44 | private Collection beforeDeleteListeners = new ArrayList(); |
45 | |||
919 | dev | 46 | private InetDomainManager() |
47 | { |
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946 | dev | 48 | UserManager.getInstance().addBeforeDeleteListener(this); |
919 | dev | 49 | } |
50 | |||
51 | public InetDomain create(User editor) |
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52 | throws ModelException |
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53 | { |
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54 | if(!allowedToCreate(editor)) throw new ModelSecurityException(); |
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55 | |||
56 | return new InetDomain(); |
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57 | } |
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58 | |||
59 | public boolean allowedToCreate(User editor) |
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60 | throws ModelException |
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61 | { |
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921 | dev | 62 | return InetDomain.allowedToCreate(this, editor); |
919 | dev | 63 | } |
64 | |||
65 | public InetDomain get(User editor, Long id) |
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66 | throws ModelException |
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67 | { |
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68 | InetDomain domain; |
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69 | |||
70 | try { |
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71 | domain = (InetDomain)HibernateUtil.currentSession().load( |
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72 | InetDomain.class, id); |
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73 | } |
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74 | catch(HibernateException ex) |
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75 | { |
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76 | throw new ModelException(ex); |
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77 | } |
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78 | |||
79 | if(!domain.viewableBy(editor)) |
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80 | throw new ModelSecurityException(); |
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81 | |||
82 | return domain; |
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83 | } |
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84 | |||
923 | dev | 85 | public boolean nameExists(User editor, InetDomain domain, String name) |
86 | throws ModelException |
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87 | { |
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88 | try { |
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89 | if(domain.getId() == null) |
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90 | return ((Integer)HibernateUtil.currentSession().iterate( |
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91 | "select count(*) from InetDomain d where name = ?", |
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92 | name, Hibernate.STRING) |
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93 | .next()).intValue() > 0; |
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94 | else |
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95 | return ((Integer)HibernateUtil.currentSession().iterate( |
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96 | "select count(*) from InetDomain d where name = ? and d != ?", |
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97 | new Object[] { name, domain }, |
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98 | new Type[] { Hibernate.STRING, Hibernate.entity(InetDomain.class) } ) |
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99 | .next()).intValue() > 0; |
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100 | } |
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101 | catch(HibernateException ex) |
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102 | { |
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103 | throw new ModelException(ex); |
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104 | } |
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105 | } |
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106 | |||
919 | dev | 107 | protected InetDomain findForName(String name) |
108 | throws ModelException |
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109 | { |
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110 | try { |
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111 | List list = HibernateUtil.currentSession().find( |
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112 | "from InetDomain where name=?", name, Hibernate.STRING); |
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113 | |||
114 | if(list.size() == 0) |
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115 | return null; |
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116 | else |
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117 | return (InetDomain)list.get(0); |
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118 | } |
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119 | catch(HibernateException ex) |
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120 | { |
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121 | throw new ModelException(ex); |
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122 | } |
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123 | } |
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124 | |||
946 | dev | 125 | public void save(User editor, InetDomain domain) |
919 | dev | 126 | throws ModelException |
127 | { |
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946 | dev | 128 | if(!domain.editableBy(editor)) |
919 | dev | 129 | throw new ModelSecurityException(); |
130 | |||
946 | dev | 131 | domain.setModUser(editor); |
919 | dev | 132 | |
133 | try { |
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946 | dev | 134 | HibernateUtil.currentSession().saveOrUpdate(domain); |
919 | dev | 135 | } |
136 | catch(HibernateException ex) |
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137 | { |
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138 | throw new ModelException(ex); |
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139 | } |
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140 | } |
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141 | |||
949 | dev | 142 | public void addBeforeDeleteListener(SystemUserBeforeDeleteListener listener) |
143 | { |
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144 | beforeDeleteListeners.add(listener); |
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145 | } |
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146 | |||
147 | public void removeBeforeDeleteListener(SystemUserBeforeDeleteListener listener) |
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148 | { |
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149 | beforeDeleteListeners.remove(listener); |
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150 | } |
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151 | |||
152 | public Collection beforeDelete(User editor, InetDomain domain, Collection known) |
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919 | dev | 153 | throws ModelException |
946 | dev | 154 | { |
155 | Collection cascade = new ArrayList(); |
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949 | dev | 156 | |
946 | dev | 157 | for(Iterator i = beforeDeleteListeners.iterator(); i.hasNext(); ) { |
158 | InetDomainBeforeDeleteListener listener = (InetDomainBeforeDeleteListener)i.next(); |
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949 | dev | 159 | Collection subcascade = listener.inetDomainBeforeDelete(editor, domain, known); |
946 | dev | 160 | if(subcascade != null) |
161 | cascade.addAll(subcascade); |
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162 | } |
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949 | dev | 163 | |
946 | dev | 164 | return cascade; |
165 | } |
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166 | |||
167 | public void delete(User editor, InetDomain domain) |
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168 | throws ModelException |
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919 | dev | 169 | { |
946 | dev | 170 | if(!domain.deleteableBy(editor)) |
919 | dev | 171 | throw new ModelSecurityException(); |
172 | |||
173 | try { |
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174 | |||
946 | dev | 175 | HibernateUtil.currentSession().delete(domain); |
919 | dev | 176 | } |
177 | catch(HibernateException ex) |
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178 | { |
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179 | throw new ModelException(ex); |
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180 | } |
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181 | } |
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182 | |||
183 | public Collection listInetDomains(User editor) |
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184 | throws ModelException |
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185 | { |
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186 | try { |
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187 | if(editor.isSuperuser()) |
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188 | return HibernateUtil.currentSession().find("from InetDomain"); |
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189 | else |
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190 | return HibernateUtil.currentSession().find( |
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191 | "from InetDomain where owner=?", editor, Hibernate.entity(User.class)); |
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192 | } |
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193 | catch(HibernateException ex) |
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194 | { |
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195 | throw new ModelException(ex); |
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196 | } |
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197 | } |
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198 | |||
199 | public boolean areInetDomainsAvailable(User editor) |
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200 | throws ModelException |
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201 | { |
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202 | try { |
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203 | if(editor.isSuperuser()) |
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204 | return true; |
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205 | else |
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206 | return ((Integer)HibernateUtil.currentSession().iterate( |
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207 | "select count(*) from InetDomain where owner=?", |
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208 | editor, Hibernate.entity(User.class)).next()).intValue() > 0; |
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209 | } |
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210 | catch(HibernateException ex) |
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211 | { |
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212 | throw new ModelException(ex); |
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213 | } |
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214 | } |
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215 | |||
949 | dev | 216 | public Collection userBeforeDelete(User editor, User user, Collection known) |
946 | dev | 217 | throws ModelException |
919 | dev | 218 | { |
946 | dev | 219 | Collection domains; |
919 | dev | 220 | |
946 | dev | 221 | try { |
222 | domains = HibernateUtil.currentSession().find( |
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223 | "from InetDomain where owner = ?", |
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949 | dev | 224 | user, Hibernate.entity(User.class) ); |
946 | dev | 225 | } |
226 | catch(HibernateException ex) |
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227 | { |
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228 | throw new ModelException(ex); |
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229 | } |
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230 | |||
231 | Collection cascade = new ArrayList(); |
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232 | for(Iterator i = domains.iterator(); i.hasNext(); ) { |
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233 | InetDomain d = (InetDomain)i.next(); |
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234 | if(d.viewableBy(editor)) { |
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235 | if(d.deleteableBy(editor)) |
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236 | cascade.add(new CascadeDeleteElement(d, CascadeDeleteElement.DELETE, |
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949 | dev | 237 | this.beforeDelete(editor, d, known))); |
946 | dev | 238 | else |
239 | cascade.add(new CascadeDeleteElement(d, CascadeDeleteElement.FORBIDDEN, null)); |
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240 | } |
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241 | else { |
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242 | cascade.add(new CascadeDeleteElement(InetDomain.createLimitedCopy(d), |
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243 | CascadeDeleteElement.FORBIDDEN, null)); |
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244 | } |
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245 | } |
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246 | |||
247 | return cascade; |
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919 | dev | 248 | } |
249 | |||
250 | public static final Comparator NAME_COMPARATOR = new NameComparator(); |
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251 | |||
252 | private static class NameComparator |
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253 | implements Comparator |
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254 | { |
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255 | public int compare(Object o1, Object o2) |
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256 | { |
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257 | if(!(o1 instanceof InetDomain) || !(o2 instanceof InetDomain)) |
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258 | throw new ClassCastException("not a InetDomain"); |
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259 | |||
260 | InetDomain a1 = (InetDomain)o1; |
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261 | InetDomain a2 = (InetDomain)o2; |
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262 | |||
263 | if(a1 == null && a2 == null) |
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264 | return 0; |
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265 | else if(a1 == null && a2 != null) |
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266 | return -1; |
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267 | else if(a1 != null && a2 == null) |
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268 | return 1; |
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269 | else |
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270 | return a1.getName().compareToIgnoreCase(a2.getName()); |
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271 | } |
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272 | |||
273 | public boolean equals(Object obj) |
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274 | { |
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275 | return (obj instanceof NameComparator); |
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276 | } |
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277 | } |
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278 | } |