Java 类io.dropwizard.jetty.setup.ServletEnvironment 实例源码

private void configure(final ServletEnvironment environment, final HttpServlet servlet,
                       final Class<? extends HttpServlet> type, final String name, final WebServlet annotation) {
    final ServletRegistration.Dynamic mapping = environment.addServlet(name, servlet);
    final Set<String> clash = mapping
            .addMapping(annotation.urlPatterns().length > 0 ? annotation.urlPatterns() : annotation.value());
    if (clash != null && !clash.isEmpty()) {
        final String msg = String.format(
                "Servlet registration %s clash with already installed servlets on paths: %s",
                type.getSimpleName(), Joiner.on(',').join(clash));
        if (option(DenyServletRegistrationWithClash)) {
            throw new IllegalStateException(msg);
        } else {
            logger.warn(msg);
        }
    }
    if (annotation.initParams().length > 0) {
        for (WebInitParam param : annotation.initParams()) {
            mapping.setInitParameter(param.name(), param.value());
        }
    }
    mapping.setAsyncSupported(annotation.asyncSupported());
}

private void configure(final ServletEnvironment environment, final Filter filter,
                       final String name, final WebFilter annotation) {
    final FilterRegistration.Dynamic mapping = environment.addFilter(name, filter);
    final EnumSet<DispatcherType> dispatcherTypes = EnumSet.copyOf(Arrays.asList(annotation.dispatcherTypes()));
    if (annotation.servletNames().length > 0) {
        mapping.addMappingForServletNames(dispatcherTypes, false, annotation.servletNames());
    } else {
        final String[] urlPatterns = annotation.urlPatterns().length > 0
                ? annotation.urlPatterns() : annotation.value();
        mapping.addMappingForUrlPatterns(dispatcherTypes, false, urlPatterns);
    }
    if (annotation.initParams().length > 0) {
        for (WebInitParam param : annotation.initParams()) {
            mapping.setInitParameter(param.name(), param.value());
        }
    }
    mapping.setAsyncSupported(annotation.asyncSupported());
}

private void checkCorsFilter(SoaConfiguration configuration, ServletEnvironment servlets)
{
    if ( configuration.isAddCorsFilter() )
    {
        // from http://jitterted.com/tidbits/2014/09/12/cors-for-dropwizard-0-7-x/

        FilterRegistration.Dynamic filter = servlets.addFilter("CORS", CrossOriginFilter.class);
        filter.addMappingForUrlPatterns(EnumSet.allOf(DispatcherType.class), true, "/*");
        filter.setInitParameter(CrossOriginFilter.ALLOWED_METHODS_PARAM, "GET,PUT,POST,DELETE,OPTIONS");
        filter.setInitParameter(CrossOriginFilter.ALLOWED_ORIGINS_PARAM, "*");
        filter.setInitParameter(CrossOriginFilter.ACCESS_CONTROL_ALLOW_ORIGIN_HEADER, "*");
        filter.setInitParameter("allowedHeaders", "Content-Type,Authorization,X-Requested-With,Content-Length,Accept,Origin");
        filter.setInitParameter("allowCredentials", "true");
    }
}

public void setServlets(ServletEnvironment servlets)
{
    AuthFilter authFilter = (authSpec != null) ? new AuthFilter(authSpec) : null;
    for ( IndexMapping mapping : mappings )
    {
        String name = Splitter.on('.').split(mapping.getFile()).iterator().next();
        servlets.addServlet(name, this).addMapping(mapping.getPath());
        servlets.addServlet(name + "-force", this).addMapping(FORCE + mapping.getPath());
        if ( !mapping.isAuthServlet() && (authFilter != null) )
        {
            servlets.addFilter("auth-" + name, authFilter).addMappingForUrlPatterns(EnumSet.allOf(DispatcherType.class), true, mapping.getPath());
            servlets.addFilter("auth-" + name + "-force", authFilter).addMappingForUrlPatterns(EnumSet.allOf(DispatcherType.class), true, FORCE + mapping.getPath());
        }
    }
}

public ServletEnvironment servlets() {
  return this.environment.servlets();
}

public static void enableFor(ServletEnvironment servlets, String path) {
    servlets.addFilter("blah", CrossOriginResourceSharing.class)
        .addMappingForUrlPatterns(EnumSet.allOf(DispatcherType.class), true, path);
}