MethodToRestParameters.java 文件源码

private void init() {
    HttpMethod httpMethod = httpMethodFor(method);
    List<Parameter> parameterInfos = javaslang.collection.List.of(method.getParameters());
    NoBody noBodyAnnotation = method.getAnnotation(NoBody.class);

    hasReturn = returnsVoid(method);

    if (parameterInfos.size() == 0) {
        return;
    }

    if (httpMethod == HttpMethod.GET) {
        hasBody = false;
    } else if (httpMethod == HttpMethod.POST || httpMethod == HttpMethod.DELETE || httpMethod == HttpMethod.PUT) {
        if (parameterInfos.size() > 0) {
            hasBody = true;
        }
        if (noBodyAnnotation != null) {
            hasBody = false;
        }
    } else {
        throw new RuntimeException("come back here : MethodToRestParameters.init()");
    }

    if (hasBody) { // first parameter of the method will be assigned with the body content
        headerNames = parameterInfos.tail().map(p -> mapName(p)).toList();
    } else {

        headerNames = parameterInfos.map(p -> mapName(p)).toList();
    }

}