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package com.sun.jersey.json.impl.provider.entity;
import com.sun.jersey.api.json.JSONConfiguration;
import com.sun.jersey.core.util.FeaturesAndProperties;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Providers;
import org.codehaus.jackson.jaxrs.JacksonJaxbJsonProvider;
import org.codehaus.jackson.jaxrs.JacksonJsonProvider;
import org.codehaus.jackson.map.ObjectMapper;
/**
*
* @author Jakub.Podlesak@Sun.COM
*/
public class JacksonProviderProxy implements MessageBodyReader<Object>, MessageBodyWriter<Object> {
JacksonJsonProvider pojoProvider = new JacksonJsonProvider();
JacksonJaxbJsonProvider jaxbProvider = new JacksonJaxbJsonProvider();
boolean jacksonEntityProviderFeatureSet = false;
@Context
public void setFeaturesAndProperties(FeaturesAndProperties fp) {
jacksonEntityProviderFeatureSet = fp.getFeature(JSONConfiguration.FEATURE_POJO_MAPPING);
}
@Context
public void setProviders(Providers p) {
final ContextResolver<ObjectMapper> omResolver = p.getContextResolver(ObjectMapper.class, MediaType.APPLICATION_JSON_TYPE);
if (omResolver != null) {
final ObjectMapper mapper = omResolver.getContext(ObjectMapper.class);
pojoProvider.setMapper(mapper);
jaxbProvider.setMapper(mapper);
}
}
@Override
public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
return jacksonEntityProviderFeatureSet &&
(jaxbProvider.isReadable(type, genericType, annotations, mediaType) || pojoProvider.isReadable(type, genericType, annotations, mediaType));
}
@Override
public Object readFrom(Class<Object> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, String> httpHeaders, InputStream entityStream) throws IOException, WebApplicationException {
return jaxbProvider.isReadable(type, genericType, annotations, mediaType) ?
jaxbProvider.readFrom(type, genericType, annotations, mediaType, httpHeaders, entityStream) :
pojoProvider.readFrom(type, genericType, annotations, mediaType, httpHeaders, entityStream);
}
@Override
public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
return jacksonEntityProviderFeatureSet &&
(jaxbProvider.isWriteable(type, genericType, annotations, mediaType) || pojoProvider.isWriteable(type, genericType, annotations, mediaType));
}
@Override
public long getSize(Object t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
return jaxbProvider.isWriteable(type, genericType, annotations, mediaType) ?
jaxbProvider.getSize(t, type, genericType, annotations, mediaType) :
pojoProvider.getSize(t, type, genericType, annotations, mediaType);
}
@Override
public void writeTo(Object t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException, WebApplicationException {
if (jaxbProvider.isWriteable(type, genericType, annotations, mediaType)) {
jaxbProvider.writeTo(t, type, genericType, annotations, mediaType, httpHeaders, entityStream);
} else {
pojoProvider.writeTo(t, type, genericType, annotations, mediaType, httpHeaders, entityStream);
}
}
}