public int initialize()

in plugins/websphere/src/main/java/org/apache/cxf/fediz/was/tai/FedizInterceptor.java [150:203]
49 lines of code
10 McCabe index (conditional complexity)

    public int initialize(Properties props) throws WebTrustAssociationFailedException {
        if (props != null) {
            try {
                @SuppressWarnings("deprecation")
                String roleGroupMapper = props.containsKey(Constants.PROPERTY_KEY_ROLE_MAPPER) ? props
                    .getProperty(Constants.PROPERTY_KEY_ROLE_MAPPER) : props
                    .getProperty(Constants.ROLE_GROUP_MAPPER);
                if (roleGroupMapper != null && !roleGroupMapper.isEmpty()) {
                    try {
                        mapper = (RoleToGroupMapper)Class.forName(roleGroupMapper).newInstance();
                        LOG.debug("Using the {} mapper class", roleGroupMapper);
                        mapper.initialize(props);
                    } catch (Exception e) {
                        throw new TAIConfigurationException(
                                                            "Invalid TAI configuration for idpRoleToGroupMapper: "
                                                                + e.getClass().getName() + " "
                                                                + e.getMessage());
                    }
                } else {
                    mapper = new DefaultRoleToGroupMapper();
                    LOG.debug("Using the DefaultRoleToGroupMapper mapper class");
                }

                @SuppressWarnings("deprecation")
                String configFileLocation = props.containsKey(Constants.PROPERTY_KEY_CONFIG_LOCATION) ? props
                    .getProperty(Constants.PROPERTY_KEY_CONFIG_LOCATION) : props
                    .getProperty(Constants.CONFIGURATION_FILE_PARAMETER);
                if (configFileLocation != null) {
                    LOG.debug("Configuration file location set to {}", configFileLocation);
                    File f = new File(configFileLocation);

                    configurator = new FedizConfigurator();
                    configurator.loadConfig(f);

                    LOG.debug("Federation config loaded from path: {}", configFileLocation);
                } else {
                    throw new WebTrustAssociationFailedException("Missing required initialization parameter "
                                                                 + Constants.PROPERTY_KEY_CONFIG_LOCATION);
                }

                directGroupMapping = Boolean.valueOf(props
                    .getProperty(Constants.PROPERTY_KEY_DIRECT_GROUP_MAPPING));

                cookieName = props.getProperty(Constants.PROPERTY_SESSION_COOKIE_NAME);
                if (cookieName == null) {
                    cookieName = Constants.SESSION_COOKIE_DEFAULT_NAME;
                }
            } catch (Throwable t) {
                LOG.warn("Failed initializing TAI", t);
                return 1;
            }
        }
        return 0;
    }