| /* |
| * 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 com.alibaba.dubbo.rpc.Invocation; |
| |
| /** |
| * @author Eric Zhao |
| */ |
| public final class DubboUtils { |
| |
| public static final String DUBBO_APPLICATION_KEY = "dubboApplication"; |
| |
| public static String getApplication(Invocation invocation, String defaultValue) { |
| if (invocation == null || invocation.getAttachments() == null) { |
| throw new IllegalArgumentException("Bad invocation instance"); |
| } |
| return invocation.getAttachment(DUBBO_APPLICATION_KEY, defaultValue); |
| } |
| |
| private DubboUtils() {} |
| } |