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package org.javaee7.jaxrs.readerwriter.injection;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Provider;
/**
* @author Arun Gupta
*/
@Provider
@Produces(MyObject.MIME_TYPE)
public class MyWriter implements MessageBodyWriter<MyObject> {
@Override
public boolean isWriteable(Class<?> type, Type type1, Annotation[] antns, MediaType mt) {
return MyObject.class.isAssignableFrom(type);
}
@Override
public long getSize(MyObject t, Class<?> type, Type type1, Annotation[] antns, MediaType mt) {
// As of JAX-RS 2.0, the method has been deprecated and the
// value returned by the method is ignored by a JAX-RS runtime.
// All MessageBodyWriter implementations are advised to return -1 from
// the method.
return -1;
}
@Override
public void writeTo(MyObject t,
Class<?> type,
Type type1,
Annotation[] antns,
MediaType mt,
MultivaluedMap<String, Object> mm,
OutputStream out) throws IOException, WebApplicationException {
ObjectOutputStream oos = new ObjectOutputStream(out);
oos.writeObject(t);
}
}