/**
* Extract the value for an annotated-method parameter (see package {@link
* org.wicketstuff.rest.annotations.parameters}).
*
* @param methodParameter the current method parameter.
* @param pathParameters the values of path parameters for the current request.
* @param annotation the annotation for the current parameter that indicates how to retrieve the
* value for the current parameter.
* @param pageParameters PageParameters for the current request.
* @return the extracted value.
*/
private Object extractParameterValue(
MethodParameter methodParameter,
LinkedHashMap<String, String> pathParameters,
Annotation annotation,
PageParameters pageParameters) {
Object paramValue = null;
Class<?> argClass = methodParameter.getParameterClass();
String mimeInputFormat = methodParameter.getOwnerMethod().getMimeInputFormat();
if (annotation instanceof RequestBody)
paramValue = deserializeObjectFromRequest(argClass, mimeInputFormat);
else if (annotation instanceof PathParam)
paramValue = toObject(argClass, pathParameters.get(((PathParam) annotation).value()));
else if (annotation instanceof RequestParam)
paramValue = extractParameterFromQuery(pageParameters, (RequestParam) annotation, argClass);
else if (annotation instanceof HeaderParam)
paramValue = extractParameterFromHeader((HeaderParam) annotation, argClass);
else if (annotation instanceof CookieParam)
paramValue = extractParameterFromCookies((CookieParam) annotation, argClass);
else if (annotation instanceof MatrixParam)
paramValue =
extractParameterFromMatrixParams(pageParameters, (MatrixParam) annotation, argClass);
return paramValue;
}
