springfox.documentation.spring.web.plugins.PathAndParametersEquivalence.java Source code

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Here is the source code for springfox.documentation.spring.web.plugins.PathAndParametersEquivalence.java

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/*
 *
 *  Copyright 2017-2018 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.spring.web.plugins;

import com.google.common.base.Equivalence;
import com.google.common.base.Function;
import com.google.common.base.Objects;
import com.google.common.collect.FluentIterable;
import com.google.common.collect.Sets;
import springfox.documentation.RequestHandler;
import springfox.documentation.service.ResolvedMethodParameter;

import java.util.List;
import java.util.Set;

class PathAndParametersEquivalence extends Equivalence<RequestHandler> {
    private static final ResolvedMethodParameterEquivalence parameterEquivalence = new ResolvedMethodParameterEquivalence();

    @Override
    protected boolean doEquivalent(RequestHandler a, RequestHandler b) {
        return a.getPatternsCondition().equals(b.getPatternsCondition())
                && !Sets.intersection(a.supportedMethods(), b.supportedMethods()).isEmpty()
                && a.params().equals(b.params())
                && Sets.difference(wrapped(a.getParameters()), wrapped(b.getParameters())).isEmpty();
    }

    private Set<Wrapper<ResolvedMethodParameter>> wrapped(List<ResolvedMethodParameter> parameters) {
        return FluentIterable.from(parameters).transform(wrappingFunction()).toSet();
    }

    private Function<ResolvedMethodParameter, Wrapper<ResolvedMethodParameter>> wrappingFunction() {
        return new Function<ResolvedMethodParameter, Wrapper<ResolvedMethodParameter>>() {
            @Override
            public Wrapper<ResolvedMethodParameter> apply(ResolvedMethodParameter input) {
                return parameterEquivalence.wrap(input);
            }
        };
    }

    @Override
    protected int doHash(RequestHandler requestHandler) {
        return Objects.hashCode(requestHandler.getPatternsCondition().getPatterns(),
                requestHandler.supportedMethods(), requestHandler.params(),
                wrapped(requestHandler.getParameters()));
    }
}