org.openprovenance.prov.service.core.writers.VanillaDocumentMessageBodyWriter Maven / Gradle / Ivy
package org.openprovenance.prov.service.core.writers;
import org.openprovenance.prov.model.interop.InteropMediaType;
import org.openprovenance.prov.model.ProvDocumentWriter;
import org.openprovenance.prov.vanilla.Document;
import jakarta.ws.rs.Produces;
import jakarta.ws.rs.WebApplicationException;
import jakarta.ws.rs.core.MediaType;
import jakarta.ws.rs.core.MultivaluedMap;
import jakarta.ws.rs.ext.MessageBodyWriter;
import jakarta.ws.rs.ext.Provider;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
@Provider
@Produces({
InteropMediaType.MEDIA_TEXT_PROVENANCE_NOTATION,
InteropMediaType.MEDIA_APPLICATION_PROVENANCE_XML,
InteropMediaType.MEDIA_APPLICATION_JSONLD,
InteropMediaType.MEDIA_APPLICATION_JSON,
InteropMediaType.MEDIA_IMAGE_SVG_XML,
InteropMediaType.MEDIA_APPLICATION_PDF,
InteropMediaType.MEDIA_IMAGE_JPEG,
InteropMediaType.MEDIA_IMAGE_PNG
})
public class VanillaDocumentMessageBodyWriter implements MessageBodyWriter {
private final ProvDocumentWriter documentWriter;
public VanillaDocumentMessageBodyWriter(ProvDocumentWriter documentWriter) {
this.documentWriter = documentWriter;
}
@Override
public boolean isWriteable(Class type, Type genericType,
Annotation[] annotations, MediaType mediaType) {
return documentWriter.mediaTypes().contains(trimCharSet(mediaType));
}
@Override
public long getSize(Document t, Class type, Type genericType,
Annotation[] annotations, MediaType mediaType) {
return -1;
}
@Override
public void writeTo(Document doc, Class type, Type genericType,
Annotation[] annotations, MediaType mediaType,
MultivaluedMap httpHeaders,
OutputStream entityStream) throws IOException, WebApplicationException {
String media=trimCharSet(mediaType);
documentWriter.writeDocument(entityStream, doc, media, true);
}
static public String trimCharSet(MediaType mediaType) {
String med=mediaType.toString();
int ind=med.indexOf(";");
if (ind>0) med=med.substring(0,ind);
return med;
}
}