org.zodiac.actuate.application.maintenance.AppMaintenanceOperatorRegistry Maven / Gradle / Ivy

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package org.zodiac.actuate.application.maintenance;

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

import org.springframework.web.bind.annotation.RequestMethod;
import org.zodiac.commons.util.Colls;

public class AppMaintenanceOperatorRegistry {

    /*操作名称与与操作对应关系。*/
    private Map maintenanceOperatorsMap;

    public AppMaintenanceOperatorRegistry(List maintenanceOperators) {
        if (Colls.emptyColl(maintenanceOperators)) {
            maintenanceOperatorsMap = Collections.emptyMap();
            return;
        }
        maintenanceOperatorsMap = maintenanceOperators.stream().collect(Collectors.toMap(AppMaintenanceOperator::getOperatorName, op -> op));
    }

    public Optional getOperator(String name) {
        return getOperator(name, null);
    }

    public Optional getOperator(String name, RequestMethod method) {
        AppMaintenanceOperator operator = maintenanceOperatorsMap.get(name);
        if (null == operator) {
            /*对应名称的操作不存在*/
            return Optional.empty();
        }

        if (null == method) {
            /*不指定方法，认为是没有限制*/
            return Optional.of(operator);
        }

        if (null != method) {
            /*指定方法，认为是有限制*/
            if (operator.supportedMethods().contains(method)) {
                /*支持的方法*/
                return Optional.of(operator);
            }
        }

        return Optional.empty();
    }

    public Map getStatus() {
        Map result = Colls.map();
        if (!maintenanceOperatorsMap.isEmpty()) {
            maintenanceOperatorsMap.values().forEach(it -> result.put(it.getOperatorName(), it.getStatus()));
        }
        return result;
    }

}