@POST
@Consumes(MediaType.MULTIPART_FORM_DATA)
@Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
@ApiOperation(
value = "Returns a GEO label LML representation",
notes = "Requires metadata/feedback documents as data stream")
@ApiResponses({@ApiResponse(code = 400, message = "Error in feedback/metadata document")})
public Label getLabelByStream(
/* @ApiParam("Metadata document") */ @FormDataParam(Constants.PARAM_METADATA)
InputStream metadataInputStream,
/* @ApiParam("Feedback document") */ @FormDataParam(Constants.PARAM_FEEDBACK)
InputStream feedbackInputStream)
throws IOException {
MetadataTransformer metadataTransformer = this.transformer.get();
Label label = new Label();
label.setMetadataUrl(new URL("http://not.available.for.direct.upload"));
label.setFeedbackUrl(new URL("http://not.available.for.direct.upload"));
PushbackInputStream tempStream;
boolean hasData = false;
if (metadataInputStream != null) {
tempStream = new PushbackInputStream(metadataInputStream);
int t = tempStream.read();
if (t != -1) {
tempStream.unread(t);
log.debug("Reading from metadata stream...");
metadataTransformer.updateGeoLabel(tempStream, label);
hasData = true;
} else tempStream.close();
}
if (feedbackInputStream != null) {
tempStream = new PushbackInputStream(feedbackInputStream);
int t = tempStream.read();
if (t != -1) {
tempStream.unread(t);
log.debug("Reading from feedback stream...");
metadataTransformer.updateGeoLabel(tempStream, label);
hasData = true;
} else tempStream.close();
}
if (!hasData)
throw new WebApplicationException(
Response.status(Response.Status.BAD_REQUEST)
.type(MediaType.TEXT_PLAIN)
.entity("No metadata or feedback file specified")
.build());
return label;
}
@Override
public LineageFacet getAffectedFacet(Label label) {
return label.getLineageFacet();
}