Detaillierte Einführung in den Shiro-Quellcode

 1 private SecurityManager createSecurityManager(Ini ini) { 2 //null 3 Ini.Section mainSection = ini.getSection(MAIN_SECTION_NAME); 4 if (CollectionUtils.isEmpty(mainSection)) { 5  6 //try the default: null 7 mainSection = ini.getSection(Ini.DEFAULT_SECTION_NAME); 8 } 9  return createSecurityManager(ini, mainSection);10  }

 1 private SecurityManager createSecurityManager(Ini ini, Ini.Section mainSection) { 2 //{securityManager=DefaultSecurityManager,iniRealm=IniRealm}   3 Map defaults = createDefaults(ini, mainSection); 4 Map objects = buildInstances(mainSection, defaults); 5  6 SecurityManager securityManager = getSecurityManagerBean(); 7 boolean autoApplyRealms = isAutoApplyRealms(securityManager); 8 if (autoApplyRealms) { 9 //realms and realm factory might have been created - pull them out first  so we can initialize the securityManager:10  Collection realms = getRealms(objects);11  //set them on the SecurityManager12  if (!CollectionUtils.isEmpty(realms)) {13          applyRealmsToSecurityManager(realms, securityManager);14            }15         }16        return securityManager;17     }

 1 private Map buildInstances(Ini.Section section, Map defaults) { 2      this.builder = new ReflectionBuilder(defaults); 3      return this.builder.buildObjects(section); 4      ｝ 5 //类ReflectionBuilder 6 //通过mainSection创建对象并关联 7  public Map buildObjects(Map kvPairs) { 8   ..... 9  LifecycleUtils.init(objects.values());10 ｝

1  applyRealmsToSecurityManager(realms, securityManager)｛2     ((RealmSecurityManager) securityManager).setRealms(realms);3 ｝4 //在类RealmSecurityManager中5 public void setRealms(Collection realms) {6    this.realms = realms;7    afterRealmsSet();8 ｝

1 //获取主题对象 2 public static Subject getSubject() {3     Subject subject = ThreadContext.getSubject();//第一次null4     if (subject == null) {5        subject = (new Subject.Builder()).buildSubject();6        ThreadContext.bind(subject);7         }8       return subject;9 }

 1 public static class Builder｛ 2        SubjectContext subjectContext; 3        SecurityManager securityManager; 4         public Builder(SecurityManager securityManager) { 5             if (securityManager == null) { 6                 throw new NullPointerException("SecurityManager method argument cannot be null."); 7             } 8             this.securityManager = securityManager; 9             this.subjectContext = newSubjectContextInstance();//DefaultSubjectContext（初始化一个backMap集合）10             if (this.subjectContext == null) {11                 throw new IllegalStateException("Subject instance returned from 'newSubjectContextInstance' " +12                         "cannot be null.");13             }14             this.subjectContext.setSecurityManager(securityManager);15         }16        public Subject buildSubject() {17             return this.securityManager.createSubject(this.subjectContext);18         }19 ｝

 1    public Subject createSubject(SubjectContext context) { 2         SecurityManager securityManager = context.resolveSecurityManager(); 3         Session session = context.resolveSession(); 4         boolean sessionCreationEnabled = context.isSessionCreationEnabled(); 5         PrincipalCollection principals = context.resolvePrincipals(); 6         boolean authenticated = context.resolveAuthenticated(); 7         String host = context.resolveHost(); 8 9         return new DelegatingSubject(principals, authenticated, host, session, sessionCreationEnabled, securityManager);10     }