private void processSearchResult()

in artemis-server/src/main/java/org/apache/activemq/artemis/core/server/impl/LegacyLDAPSecuritySettingPlugin.java [377:483]
98 lines of code
30 McCabe index (conditional complexity)

   private void processSearchResult(Map<String, Set<Role>> securityRoles,
                                    SearchResult searchResult) throws NamingException {
      LdapName searchResultLdapName = new LdapName(searchResult.getName());
      Attributes attrs = searchResult.getAttributes();
      if (attrs == null || attrs.size() == 0) {
         if (logger.isDebugEnabled()) {
            logger.debug("Skipping LDAP search result \"{}\" with {} attributes", searchResultLdapName, (attrs == null ? "null" : attrs.size()));
         }
         return;
      }
      List<Rdn> rdns = searchResultLdapName.getRdns();
      if (rdns.size() < 3) {
         if (logger.isDebugEnabled()) {
            logger.debug("\tSkipping LDAP search result \"{}\" with {} RDNs.", searchResultLdapName, rdns.size());
         }
         return;
      }

      final boolean prepareDebugLog = logger.isDebugEnabled();
      final StringBuilder logMessage = prepareDebugLog ? new StringBuilder() : null;
      if (prepareDebugLog) {
         logMessage.append("LDAP search result: ").append(searchResultLdapName);
      }

      // we can count on the RDNs being in order from right to left
      Rdn rdn = rdns.get(rdns.size() - 3);
      String rawDestinationType = rdn.getValue().toString();
      String destinationType = "unknown";
      if (rawDestinationType.toLowerCase().contains("queue")) {
         destinationType = "queue";
      } else if (rawDestinationType.toLowerCase().contains("topic")) {
         destinationType = "topic";
      }
      if (prepareDebugLog) {
         logMessage.append("\n\tDestination type: ").append(destinationType);
      }

      rdn = rdns.get(rdns.size() - 2);
      if (prepareDebugLog) {
         logMessage.append("\n\tDestination name: ").append(rdn.getValue());
      }
      String destination = rdn.getValue().toString();

      rdn = rdns.get(rdns.size() - 1);
      if (prepareDebugLog) {
         logMessage.append("\n\tPermission type: ").append(rdn.getValue());
      }
      String permissionType = rdn.getValue().toString();

      if (prepareDebugLog) {
         logMessage.append("\n\tAttributes: ").append(attrs);
      }
      Attribute attr = attrs.get(roleAttribute);
      NamingEnumeration<?> e = attr.getAll();
      Set<Role> roles = securityRoles.get(destination);
      boolean exists = false;
      if (roles == null) {
         roles = new HashSet<>();
      } else {
         exists = true;
      }

      while (e.hasMore()) {
         String value = (String) e.next();
         LdapName ldapname = new LdapName(value);
         rdn = ldapname.getRdn(ldapname.size() - 1);
         String roleName = rdn.getValue().toString();
         if (prepareDebugLog) {
            logMessage.append("\n\tRole name: ").append(roleName);
         }
         boolean write = permissionType.equalsIgnoreCase(writePermissionValue);
         boolean read = permissionType.equalsIgnoreCase(readPermissionValue);
         boolean admin = permissionType.equalsIgnoreCase(adminPermissionValue);
         Role existingRole = null;
         for (Role role : roles) {
            if (role.getName().equals(roleName)) {
               existingRole = role;
            }
         }
         Role newRole = new Role(roleName,
                              write,                                     // send
                              read,                                      // consume
                              (allowQueueAdminOnRead && read) || admin,  // createDurableQueue
                              (allowQueueAdminOnRead && read) || admin,  // deleteDurableQueue
                              (allowQueueAdminOnRead && read) || admin,  // createNonDurableQueue
                              admin,                                     // deleteNonDurableQueue
                              mapAdminToManage ? admin : false,          // manage - map to admin based on configuration
                              read,                                      // browse
                              admin,                                     // createAddress
                              admin,                                     // deleteAddress
                              read,                                      // view
                              write);                                    // edit
         if (existingRole != null) {
            existingRole.merge(newRole);
         } else {
            roles.add(newRole);
         }
      }

      if (prepareDebugLog) {
         logger.debug(String.valueOf(logMessage));
      }

      if (!exists) {
         securityRoles.put(destination, roles);
      }
   }