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Jakarta RESTful Web Services MessageBodyReader and MessageBodyWriter to support JsonValue API of Jakarta JSON Processing
/*
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package org.glassfish.json.jaxrs;
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.JsonReader;
import javax.json.JsonReaderFactory;
import javax.json.JsonValue;
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;
/**
* JAX-RS MessageBodyReader for JsonValue. This allows JsonValue
* to be a parameter of a resource method.
*
* @author Jitendra Kotamraju
* @author Blaise Doughan
* @author Michal Gajdos
*/
@Provider
@Consumes({"application/json", "text/json", "*/*"})
public class JsonValueBodyReader implements MessageBodyReader {
private final JsonReaderFactory rf = Json.createReaderFactory(null);
private static final String JSON = "json";
private static final String PLUS_JSON = "+json";
@Override
public boolean isReadable(Class aClass, Type type,
Annotation[] annotations, MediaType mediaType) {
return JsonValue.class.isAssignableFrom(aClass) && supportsMediaType(mediaType);
}
/**
* @return true for all media types of the pattern */json and
* */*+json.
*/
private static boolean supportsMediaType(final MediaType mediaType) {
return mediaType.getSubtype().equals(JSON) || mediaType.getSubtype().endsWith(PLUS_JSON);
}
@Override
public JsonValue readFrom(Class jsonValueClass,
Type type, Annotation[] annotations, MediaType mediaType,
MultivaluedMap stringStringMultivaluedMap,
InputStream inputStream) throws IOException, WebApplicationException {
try (JsonReader reader = rf.createReader(inputStream)) {
return reader.readValue();
}
}
}