public UserCredentials tryGetUserCredentials()

in runAs-agent/src/main/java/jetbrains/buildServer/runAs/agent/UserCredentialsServiceImpl.java [33:98]
54 lines of code
16 McCabe index (conditional complexity)

  public UserCredentials tryGetUserCredentials() {
    final boolean allowCustomCredentials = ParameterUtils.parseBoolean(myParametersService.tryGetConfigParameter(Constants.ALLOW_CUSTOM_CREDENTIALS), true);
    final boolean allowProfileIdFromServer = ParameterUtils.parseBoolean(myParametersService.tryGetConfigParameter(Constants.ALLOW_PROFILE_ID_FROM_SERVER), false);
    if(allowCustomCredentials && allowProfileIdFromServer) {
      String profileRef = myParametersService.tryGetParameter(Constants.CREDENTIALS_PROFILE_ID);
      final boolean profileWasDefined = !StringUtil.isEmptyOrSpaces(profileRef);
      UserCredentials profileCredentials = null;
      if(!profileWasDefined) {
        profileCredentials = getPredefinedProfile(DEFAULT_PROFILE, false);
        if(LOG.isDebugEnabled()) {
          LOG.debug("tryGetUserCredentials predefined \"" + Constants.CREDENTIALS_PROFILE_ID + "\": " + profileCredentials);
        }
      }

      UserCredentials customCredentials = tryGetCustomCredentials();
      if(customCredentials != null) {
        if(profileWasDefined || profileCredentials != null) {
          LOG.info("Build step attempted to use custom credentials while credentials profiles are configured on the agent. Build step has not been executed and build problem was raised.");
          throw new BuildStartException("Build step cannot be executed with custom credentials on this agent. Please contact system administrator.");
        }

        if(LOG.isDebugEnabled()) {
          LOG.debug("tryGetUserCredentials custom: " + customCredentials);
        }

        return customCredentials;
      }

      if (!profileWasDefined) {
        return profileCredentials;
      }

      profileCredentials = getPredefinedProfile(profileRef, true);
      if(LOG.isDebugEnabled()) {
        LOG.debug("tryGetUserCredentials predefined \"" + profileRef + "\": " + profileCredentials);
      }

      return profileCredentials;
    }

    if(allowCustomCredentials) {
      UserCredentials customCredentials = tryGetCustomCredentials();
      if(LOG.isDebugEnabled()) {
        LOG.debug("tryGetUserCredentials custom: " + customCredentials);
      }

      return customCredentials;
    }

    if(allowProfileIdFromServer) {
      String credentialsRef = myParametersService.tryGetConfigParameter(Constants.CREDENTIALS_PROFILE_ID);
      if (StringUtil.isEmptyOrSpaces(credentialsRef)) {
        credentialsRef = DEFAULT_PROFILE;
      }

      UserCredentials profileCredentials = getPredefinedProfile(credentialsRef, true);
      if(LOG.isDebugEnabled()) {
        LOG.debug("tryGetUserCredentials predefined \"" + credentialsRef + "\": " + profileCredentials);
      }

      return profileCredentials;
    }

    LOG.debug("tryGetUserCredentials returns null");
    return null;
  }