Examples with FilterArgsEvent org.springframework.cloud.gateway.event.FilterArgsEvent used on opensource projects

Example 1 with FilterArgsEvent

use of org.springframework.cloud.gateway.event.FilterArgsEvent in project spring-cloud-gateway by spring-cloud.

the class RouteDefinitionRouteLocator method loadGatewayFilters.

@SuppressWarnings("unchecked")
private List<GatewayFilter> loadGatewayFilters(String id, List<FilterDefinition> filterDefinitions) {
    List<GatewayFilter> filters = filterDefinitions.stream().map(definition -> {
        GatewayFilterFactory factory = this.gatewayFilterFactories.get(definition.getName());
        if (factory == null) {
            throw new IllegalArgumentException("Unable to find GatewayFilterFactory with name " + definition.getName());
        }
        Map<String, String> args = definition.getArgs();
        if (logger.isDebugEnabled()) {
            logger.debug("RouteDefinition " + id + " applying filter " + args + " to " + definition.getName());
        }
        if (factory.isConfigurable()) {
            Map<String, Object> properties = factory.shortcutType().normalize(args, factory, this.parser, this.beanFactory);
            Object configuration = factory.newConfig();
            ConfigurationUtils.bind(configuration, properties, factory.shortcutFieldPrefix(), definition.getName(), validator);
            GatewayFilter gatewayFilter = factory.apply(configuration);
            if (this.publisher != null) {
                this.publisher.publishEvent(new FilterArgsEvent(this, id, properties));
            }
            return gatewayFilter;
        } else {
            Tuple tuple = getTuple(factory, args, this.parser, this.beanFactory);
            return factory.apply(tuple);
        }
    }).collect(Collectors.toList());
    ArrayList<GatewayFilter> ordered = new ArrayList<>(filters.size());
    for (int i = 0; i < filters.size(); i++) {
        ordered.add(new OrderedGatewayFilter(filters.get(i), i + 1));
    }
    return ordered;
}