springfox.documentation.swagger1.web.ApiListingMerger.java Source code

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Here is the source code for springfox.documentation.swagger1.web.ApiListingMerger.java

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/*
 *
 *  Copyright 2015 the original author or 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
 *
 *         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 springfox.documentation.swagger1.web;

import com.google.common.base.Optional;
import springfox.documentation.swagger1.dto.ApiListing;

import java.util.Collection;

import static com.google.common.collect.FluentIterable.*;
import static com.google.common.collect.Sets.*;
import static springfox.documentation.builders.BuilderDefaults.nullToEmptyList;

public class ApiListingMerger {
    public static Optional<ApiListing> mergedApiListing(Collection<ApiListing> apiListings) {
        if (nullToEmptyList(apiListings).size() > 1) {
            ApiListing merged = new ApiListing();
            merged.setSwaggerVersion("1.2");
            merged.setPosition(0);
            for (ApiListing each : apiListings) {
                merged.setApiVersion(each.getApiVersion());
                merged.setBasePath(each.getBasePath());
                merged.setResourcePath(each.getResourcePath());
                merged.setDescription(each.getDescription());
                merged.appendAuthorizations(each.getAuthorizations());
                merged.appendApis(each.getApis());
                merged.appendProtocols(newHashSet(each.getProtocols()));
                merged.appendConsumes(newHashSet(each.getConsumes()));
                merged.appendModels(each.getModels());
                merged.appendProduces(newHashSet(each.getProduces()));
            }
            return Optional.of(merged);
        }
        return from(nullToEmptyList(apiListings)).first();
    }
}