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Adds information on RibbonRoutingFilter HTTP Clients

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Spencer Gibb
2017-02-08 20:55:08 -07:00
parent 8afb02cf03
commit c6a3157fd8
1 changed files with 5 additions and 3 deletions
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docs/src/main/asciidoc/spring-cloud-netflix.adoc
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@@ -1807,10 +1807,12 @@ Pre filters:
Route filters:
- `RibbonRoutingFilter`: This filter uses Ribbon, Hystrix and pluggable HTTP clients to send requests. Service ids are found in the `RequestContext` attribute `FilterConstants.SERVICE_ID_KEY`.
- Describe different Ribbon HTTP clients
* `RibbonRoutingFilter`: This filter uses Ribbon, Hystrix and pluggable HTTP clients to send requests. Service ids are found in the `RequestContext` attribute `FilterConstants.SERVICE_ID_KEY`. This filter can use different HTTP clients. They are:
** Apache `HttpClient`. This is the default client.
** Squareup `OkHttpClient` v3. This is enabled by having the `com.squareup.okhttp3:okhttp` library on the classpath and setting `ribbon.okhttp.enabled=true`.
** Netflix Ribbon HTTP client. This is enabled by setting `ribbon.restclient.enabled=true`. This client has limitations, such as it doesn't support the PATCH method, but also has built-in retry.
- `SimpleHostRoutingFilter`: This filter sends requests to predetermined URLs via an Apache HttpClient. URLs are found in `RequestContext.getRouteHost()`.
* `SimpleHostRoutingFilter`: This filter sends requests to predetermined URLs via an Apache HttpClient. URLs are found in `RequestContext.getRouteHost()`.
==== How to Write a Pre Filter