com.alibaba.csp.sentinel.cluster.server.command.handler.FetchClusterParamFlowRulesCommandHandler Maven / Gradle / Ivy

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/*
 * 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.cluster.server.command.handler;

import com.alibaba.csp.sentinel.cluster.flow.rule.ClusterParamFlowRuleManager;
import com.alibaba.csp.sentinel.command.CommandHandler;
import com.alibaba.csp.sentinel.command.CommandRequest;
import com.alibaba.csp.sentinel.command.CommandResponse;
import com.alibaba.csp.sentinel.command.annotation.CommandMapping;
import com.alibaba.csp.sentinel.util.StringUtil;
import com.alibaba.fastjson.JSON;

/**
 * @author Eric Zhao
 * @since 1.4.0
 */
@CommandMapping(name = "cluster/server/paramRules", desc = "get cluster server param flow rules")
public class FetchClusterParamFlowRulesCommandHandler implements CommandHandler {

    @Override
    public CommandResponse handle(CommandRequest request) {
        String namespace = request.getParam("namespace");
        if (StringUtil.isEmpty(namespace)) {
            return CommandResponse.ofSuccess(JSON.toJSONString(ClusterParamFlowRuleManager.getAllParamRules()));
        } else {
            return CommandResponse.ofSuccess(JSON.toJSONString(ClusterParamFlowRuleManager.getParamRules(namespace)));
        }
    }
}