ConstructorWithMapInterceptPoint.java

/*
 * 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 org.apache.skywalking.apm.plugin.kafka;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 *
 **/
public class ConstructorWithMapInterceptPoint extends AbstractConstructorInterceptPoint<Map<String, ?>> {

    protected ConsumerEnhanceRequiredInfo resolveConsumerEnhanceRequiredInfo(Map<String, ?> configArgument) {
        ConsumerEnhanceRequiredInfo requiredInfo = new ConsumerEnhanceRequiredInfo();

        if (configArgument != null) {
            // set the bootstrap server address
            requiredInfo.setBrokerServers(convertToList(configArgument.get("bootstrap.servers")));
            requiredInfo.setGroupId((String) configArgument.get("group.id"));
        }

        return requiredInfo;
    }

    private List<String> convertToList(Object value) {
        if (value instanceof List)
            return (List<String>) value;
        else if (value instanceof String) {
            return Arrays.stream(((String) value).split(",")).collect(Collectors.toList());
        }

        return Collections.emptyList();
    }
}