de.a9d3.testing.method.GenericMatcher Maven / Gradle / Ivy

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package de.a9d3.testing.method;

import de.a9d3.testing.method_extractor.MethodExtractor;
import de.a9d3.testing.tuple.MethodTuple;

import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;

public class GenericMatcher {
    private GenericMatcher() {
        // should not be initialized
    }

    public static List match(Class c, String aRegex, String bRegex) {
        List a = MethodExtractor.extract(c, aRegex);
        List b = MethodExtractor.extract(c, bRegex);

        List tuples = new ArrayList<>();

        a.forEach(aMethod -> matchMethodsAWithB(aRegex, bRegex, b, tuples, aMethod));

        return tuples;
    }

    private static void matchMethodsAWithB(String aRegex, String bRegex, List b, List tuples,
                                           Method aMethod) {
        Optional optionalBMethod = b.stream()
                .filter(bMethod -> aMethod.getName().replaceAll(aRegex, "")
                        .equals(bMethod.getName().replaceFirst(bRegex, "")))
                .findAny();

        optionalBMethod.ifPresent(bMethod -> tuples.add(new MethodTuple(aMethod, bMethod)));
    }
}