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package org.javaee7.movieplex7.json;
import java.io.IOException;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.json.Json;
import javax.json.stream.JsonParser;
import static javax.json.stream.JsonParser.Event.KEY_NAME;
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 org.javaee7.movieplex7.entities.Movie;
/**
* @author Arun Gupta
*/
@Provider
@Consumes(MediaType.APPLICATION_JSON)
public class MovieReader implements MessageBodyReader<Movie> {
@Override
public boolean isReadable(Class<?> type, Type type1, Annotation[] antns, MediaType mt) {
return Movie.class.isAssignableFrom(type);
}
@Override
public Movie readFrom(Class<Movie> type, Type type1, Annotation[] antns, MediaType mt, MultivaluedMap<String, String> mm, InputStream in) throws IOException, WebApplicationException {
Movie movie = new Movie();
JsonParser parser = Json.createParser(in);
while (parser.hasNext()) {
switch (parser.next()) {
case KEY_NAME:
String key = parser.getString();
parser.next();
switch (key) {
case "id":
movie.setId(parser.getInt());
break;
case "name":
movie.setName(parser.getString());
break;
case "actors":
movie.setActors(parser.getString());
break;
default:
break;
}
break;
default:
break;
}
}
return movie;
}
}