org.glassfish.jersey.message.internal.StreamingOutputProvider Maven / Gradle / Ivy
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package org.glassfish.jersey.message.internal;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.inject.Singleton;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.StreamingOutput;
import javax.ws.rs.ext.MessageBodyWriter;
/**
* Message body writer that supports {@link StreamingOutput streaming output} marshalling.
*
* @author Paul Sandoz
*/
@Produces({"application/octet-stream", "*/*"})
@Singleton
public final class StreamingOutputProvider implements MessageBodyWriter {
@Override
public boolean isWriteable(Class t, Type gt, Annotation[] as, MediaType mediaType) {
return StreamingOutput.class.isAssignableFrom(t);
}
@Override
public long getSize(StreamingOutput o, Class type, Type genericType, Annotation[] annotations, MediaType mediaType) {
return -1;
}
@Override
public void writeTo(StreamingOutput o, Class t, Type gt, Annotation[] as,
MediaType mediaType, MultivaluedMap httpHeaders,
OutputStream entity) throws IOException {
o.write(entity);
}
}