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/*
 * Copyright 2017-2020 original authors
 *
 * 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
 *
 * https://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 io.micronaut.management.endpoint.routes.impl;

import io.micronaut.context.annotation.Requires;
import io.micronaut.http.MediaType;
import io.micronaut.management.endpoint.routes.RouteData;
import io.micronaut.management.endpoint.routes.RouteDataCollector;
import io.micronaut.management.endpoint.routes.RoutesEndpoint;
import io.micronaut.web.router.UriRouteInfo;
import jakarta.inject.Singleton;

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;

/**
 * A Reactive route data collector.
 *
 * @author James Kleeh
 * @since 1.0
 */
@Singleton
@Requires(beans = RoutesEndpoint.class)
public class DefaultRouteDataCollector implements RouteDataCollector> {

    private final RouteData routeData;

    /**
     * @param routeData       The RouteData
     */
    public DefaultRouteDataCollector(RouteData routeData) {
        this.routeData = routeData;
    }

    @Override
    public Map getData(Stream> routes) {
        return routes
            .collect(Collectors.toMap(
                this::getRouteKey,
                routeData::getData,
                (e1, e2) -> e1,
                LinkedHashMap::new
            ));
    }

    /**
     * @param route The URI route
     * @return The route key
     */
    protected String getRouteKey(UriRouteInfo route) {
        String produces = route
            .getProduces()
            .stream()
            .map(MediaType::toString)
            .collect(Collectors.joining(" || "));

        return new StringBuilder("{[")
            .append(route.getUriMatchTemplate())
            .append("],method=[")
            .append(route.getHttpMethodName())
            .append("],produces=[")
            .append(produces)
            .append("]}")
            .toString();
    }
}
    

    

    
            
    
            







    
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