HLTech / pact-gen

import com.hltech.pact.gen.domain.client.annotation.MappingMethodHandler;

import com.hltech.pact.gen.domain.client.model.Param;

import com.hltech.pact.gen.domain.client.model.RequestRepresentation;

import com.hltech.pact.gen.domain.client.util.PathParametersExtractor;

import com.hltech.pact.gen.domain.client.util.RawHeadersParser;

import com.hltech.pact.gen.domain.client.util.RequestBodyExtractor;

import com.hltech.pact.gen.domain.client.util.RequestHeaderParamsExtractor;

import com.hltech.pact.gen.domain.client.util.RequestParametersExtractor;

import org.apache.commons.lang3.ArrayUtils;

import org.springframework.http.HttpHeaders;

import org.springframework.http.HttpMethod;

import org.springframework.web.bind.annotation.RequestMapping;

import java.lang.reflect.Method;

import java.util.Arrays;

import java.util.List;

import java.util.stream.Collectors;

import java.util.stream.Stream;

public class RequestMappingMethodsHandler implements AnnotatedMethodHandler {

    @Override

    public boolean isSupported(Method method) {

        return method.isAnnotationPresent(RequestMapping.class);

    }

    @Override

    public String[] getResponseMediaHeaders(Method method) {

        return Arrays.stream(method.getAnnotation(RequestMapping.class).produces())

            .map(header -> HttpHeaders.CONTENT_TYPE + "=" + header)

            .toArray(String[]::new);

    }

    private String[] getRequestMediaHeaders(Method method) {

        return ArrayUtils.addAll(

            Arrays.stream(method.getAnnotation(RequestMapping.class).consumes())

                .map(header -> HttpHeaders.CONTENT_TYPE + "=" + header)

                .toArray(String[]::new),

            Arrays.stream(method.getAnnotation(RequestMapping.class).produces())

                .map(header -> HttpHeaders.ACCEPT + "=" + header)

                .toArray(String[]::new));

    }

    private String getPathFromMethod(Method method) {

        RequestMapping annotation = method.getAnnotation(RequestMapping.class);

        return annotation.path().length == 1 ? annotation.path()[0] : annotation.value()[0];

    }

    private static List<Param> combineHeaders(String[] rawHeaders, List<Param> headers) {

        return Stream

            .concat(RawHeadersParser.parseAll(rawHeaders).stream(), headers.stream())

            .collect(Collectors.toList());

    }

}