org.springframework.cloud.netflix.zuul.filters.support.FilterConstants Java Examples

@Override
public boolean shouldFilter() {
    // 判断：仅处理post过滤器引起的异常
    RequestContext ctx = RequestContext.getCurrentContext();
    ZuulFilter failedFilter = (ZuulFilter) ctx.get(FAILED_FILTER);
    return failedFilter != null && failedFilter.filterType().equals(FilterConstants.POST_TYPE);
}
 

/**
 * filterOrder：通过int值来定义过滤器的执行顺序
 *
 * @return
 */
@Override
public int filterOrder() {
    // 数字越大，优先级越低
    /**
     * 一定要在 {@link org.springframework.cloud.netflix.zuul.filters.pre.PreDecorationFilter} 过滤器之后执行，因为这个过滤器做了路由  而我们需要这个路由信息来鉴权
     * 这个过滤器会将很多我们鉴权需要的信息放置在请求上下文中。故一定要在此过滤器之后执行
     */
    return FilterConstants.PRE_DECORATION_FILTER_ORDER + 1;
}
 

/**
 *
 */
@Override
public Object run() {
    // 代理后响应日志处理
    RequestContext ctx = RequestContext.getCurrentContext();
    HttpServletRequest request = ctx.getRequest();
    HttpServletResponse response = ctx.getResponse();
    // 把路由的serviceId放入作用域
    request.setAttribute(FilterConstants.SERVICE_ID_KEY, ctx.get(FilterConstants.SERVICE_ID_KEY));
    accessLogService.sendLog(request, response,null);
    return null;
}
 

@Override
public Object run() {
    RequestContext context = RequestContext.getCurrentContext();
    HttpServletRequest servletRequest = context.getRequest();


    String serviceId = (String) context.get(FilterConstants.SERVICE_ID_KEY);
    if (StringUtils.isEmpty(serviceId)) {
        return null;
    }

    GrayHttpRequest grayRequest = new GrayHttpRequest();
    URI uri = URI.create((String) context.get(FilterConstants.REQUEST_URI_KEY));
    grayRequest.setUri(uri);
    grayRequest.setServiceId(serviceId);
    grayRequest.addParameters(context.getRequestQueryParams());
    if (grayRequestProperties.isLoadBody()) {
        try {
            BufferedReader reader = new BufferedReader(new InputStreamReader(context.getRequest().getInputStream()));
            byte[] reqBody = IOUtils.toByteArray(reader);
            grayRequest.setBody(reqBody);
        } catch (IOException e) {
            String errorMsg = "获取request body出现异常";
            log.error(errorMsg, e);
        }
    }

    grayRequest.setMethod(servletRequest.getMethod());
    grayRequest.setHeaders(getHeaders(context));
    grayRequest.setAttribute(GRAY_REQUEST_ATTRIBUTE_NAME_ZUUL_REQUEST, servletRequest);
    grayRequest.setAttribute(GRAY_REQUEST_ATTRIBUTE_NAME_ZUUL_REQUEST_CONTEXT, context);
    //context.getZuulRequestHeaders().get(FilterConstants.X_FORWARDED_FOR_HEADER.toLowerCase())

    RoutingConnectPointContext connectPointContext = RoutingConnectPointContext.builder()
            .interceptroType(GrayNetflixClientConstants.INTERCEPTRO_TYPE_ZUUL)
            .grayRequest(grayRequest).build();
    routingConnectionPoint.executeConnectPoint(connectPointContext);
    return null;
}
 

@Override
public int filterOrder() {
    return FilterConstants.SEND_FORWARD_FILTER_ORDER;
}
 

@Override
public String filterType() {
    return FilterConstants.PRE_TYPE;
}
 

@Override
public String filterType() {
    return FilterConstants.PRE_TYPE;
}
 

@Test
public void testFilterOrder() {
    assertThat(target.filterOrder()).isEqualTo(FilterConstants.FORM_BODY_WRAPPER_FILTER_ORDER);
}
 

@Override
public int filterOrder() {
	return FilterConstants.PRE_DECORATION_FILTER_ORDER + 1;
}
 

@Override
public String filterType() {
	return FilterConstants.PRE_TYPE;
}
 

@Override
public int filterOrder() {
	return FilterConstants.FORM_BODY_WRAPPER_FILTER_ORDER;
}
 

@Override
public String filterType() {
	return FilterConstants.POST_TYPE;
}
 

@Override
public int filterOrder() {
	return FilterConstants.SEND_RESPONSE_FILTER_ORDER - 10;
}
 

@Override
public String filterType() {
    return FilterConstants.PRE_TYPE;
}
 

@Override
public int filterOrder() {
    return FilterConstants.PRE_DECORATION_FILTER_ORDER - 1;
}
 

@Test
public void testFilterType() {
    assertThat(target.filterType()).isEqualTo(FilterConstants.PRE_TYPE);
}
 

@Override
public String filterType() {
    return FilterConstants.ROUTE_TYPE;
}
 

@Override
public int filterOrder() {
    return FilterConstants.SEND_ERROR_FILTER_ORDER + 2;
}
 

@Override
public String filterType() {
    return FilterConstants.PRE_TYPE;
}
 

@Override
public String filterType() {
    return FilterConstants.ERROR_TYPE;
}
 

@Override
public String filterType() {
    return FilterConstants.PRE_TYPE;
}
 

@Override
public String filterType() {
    return FilterConstants.PRE_TYPE;
}
 

@Override
public int filterOrder() {
    return FilterConstants.SEND_ERROR_FILTER_ORDER + 1;
}
 

@Override
public String filterType() {
    return FilterConstants.ERROR_TYPE;
}
 

@Override
public String filterType() {
	return FilterConstants.PRE_TYPE;
}
 

@Override
public String filterType() {
    return FilterConstants.PRE_TYPE;
}
 

@Override
public String filterType() {
    return FilterConstants.PRE_TYPE;
}
 

@Override
public String filterType() {
    return FilterConstants.POST_TYPE;
}
 

@Override
public String filterType() {
    return FilterConstants.PRE_TYPE;
}
 

@Override
public String filterType() {
    return FilterConstants.PRE_TYPE;
}