package cactusServer.utils;

import java.io.IOException;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;

import javax.validation.constraints.Null;
import javax.ws.rs.Consumes;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.Provider;

import net.arnx.jsonic.JSON;
import net.arnx.jsonic.JSONException;

@Provider
@Consumes(MediaType.APPLICATION_JSON)
public class JSONConsumer implements MessageBodyReader {

	public boolean isReadable(java.lang.Class type, 
		java.lang.reflect.Type genericType, java.lang.annotation.Annotation[] 
		annotations, MediaType mediaType) {
		return true;
	}


	@Override
	public Object readFrom(Class type, Type genericType, Annotation[] annotations, MediaType mediaType,
			MultivaluedMap httpHeaders, InputStream entityStream) throws IOException, WebApplicationException {
		// TODO Auto-generated method stub
		try {
			return JSON.decode(entityStream,genericType);
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			return null;
		} catch (IOException e) {
			// TODO Auto-generated catch block
			return null;
		}
	}
	
}