gistfile1.java

package com.my.project.jersey.writers;

@Provider
@Produces("application/xml")
public class MyBeanMessageBodyWriter implements MessageBodyWriter<MyBean> {
 
    @Override
    public boolean isWriteable(Class<?> type, Type genericType,
                               Annotation[] annotations, MediaType mediaType) {
        return type == Person.class;
    }
 
    @Override
    public long getSize(MyBean myBean, Class<?> type, Type genericType,
                        Annotation[] annotations, MediaType mediaType) {
        // deprecated by JAX-RS 2.0 and ignored by Jersey runtime
        return 0;
    }
 
    @Override
    public void writeTo(Person person,
                        Class<?> type,
                        Type genericType,
                        Annotation[] annotations,
                        MediaType mediaType,
                        MultivaluedMap<String, Object> httpHeaders,
                        OutputStream entityStream)
                        throws IOException, WebApplicationException {
 
        try {
            JAXBContext jaxbContext = JAXBContext.newInstance(Person.class);
            jaxbContext.createMarshaller().marshal(person, entityStream);
        } catch (JAXBException jaxbException) {
            throw new ProcessingException(
                "Error serializing a Person to the output stream", jaxbException);
        }
    }
}