| /* |
| * Copyright 1999-2018 Alibaba Group Holding Ltd. |
| * |
| * Licensed 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 com.alibaba.csp.sentinel.adapter.dubbo; |
| |
| import org.apache.dubbo.common.Constants; |
| import org.apache.dubbo.common.extension.Activate; |
| import org.apache.dubbo.rpc.Filter; |
| import org.apache.dubbo.rpc.Invocation; |
| import org.apache.dubbo.rpc.Invoker; |
| import org.apache.dubbo.rpc.Result; |
| import org.apache.dubbo.rpc.RpcContext; |
| import org.apache.dubbo.rpc.RpcException; |
| |
| /** |
| * Puts current consumer's application name in the attachment of each invocation. |
| * |
| * @author Eric Zhao |
| */ |
| @Activate(group = "consumer") |
| public class DubboAppContextFilter implements Filter { |
| |
| @Override |
| public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException { |
| String application = invoker.getUrl().getParameter(Constants.APPLICATION_KEY); |
| if (application != null) { |
| RpcContext.getContext().setAttachment(DubboUtils.SENTINEL_DUBBO_APPLICATION_KEY, application); |
| } |
| return invoker.invoke(invocation); |
| } |
| } |