| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package cache |
| |
| import ( |
| "github.com/apache/servicecomb-service-center/pkg/chain" |
| "github.com/apache/servicecomb-service-center/pkg/rest" |
| serviceUtil "github.com/apache/servicecomb-service-center/server/service/util" |
| "net/http" |
| ) |
| |
| type CacheResponse struct { |
| } |
| |
| func (l *CacheResponse) Handle(i *chain.Invocation) { |
| defer i.Next() |
| |
| r := i.Context().Value(rest.CTX_REQUEST).(*http.Request) |
| query := r.URL.Query() |
| |
| if r.Method != http.MethodGet { |
| i.WithContext(serviceUtil.CTX_REGISTRYONLY, "1") |
| } |
| |
| noCache := query.Get(serviceUtil.CTX_NOCACHE) == "1" |
| if noCache { |
| i.WithContext(serviceUtil.CTX_NOCACHE, "1") |
| return |
| } |
| |
| cacheOnly := query.Get(serviceUtil.CTX_CACHEONLY) == "1" |
| if cacheOnly { |
| i.WithContext(serviceUtil.CTX_CACHEONLY, "1") |
| return |
| } |
| |
| rev := query.Get("rev") |
| if len(rev) > 0 { |
| i.WithContext(serviceUtil.CTX_REQUEST_REVISION, rev) |
| return |
| } |
| } |
| |
| func RegisterHandlers() { |
| chain.RegisterHandler(rest.SERVER_CHAIN_NAME, &CacheResponse{}) |
| } |