@Override
public void respondPartialContent(
GetableResource resource,
Response response,
Request request,
Map<String, String> params,
Range range)
throws NotAuthorizedException, BadRequestException, NotFoundException {
log.debug("respondPartialContent: " + range.getStart() + " - " + range.getFinish());
response.setStatus(Response.Status.SC_PARTIAL_CONTENT);
long st = range.getStart() == null ? 0 : range.getStart();
long fn;
Long cl = resource.getContentLength();
if (range.getFinish() == null) {
if (cl != null) {
fn = cl.longValue() - 1; // position is one less then length
} else {
log.warn(
"Couldnt calculate range end position because the resource is not reporting a content length, and no end position was requested by the client: "
+ resource.getName()
+ " - "
+ resource.getClass());
fn = -1;
}
} else {
fn = range.getFinish();
}
response.setContentRangeHeader(st, fn, cl);
long contentLength = fn - st + 1;
response.setContentLengthHeader(contentLength);
response.setDateHeader(new Date());
String etag = eTagGenerator.generateEtag(resource);
if (etag != null) {
response.setEtag(etag);
}
String acc = request.getAcceptHeader();
String ct = resource.getContentType(acc);
if (ct != null) {
response.setContentTypeHeader(ct);
}
response.setEntity(new GetableResourceEntity(resource, range, params, ct));
}
public void execute(
AnnoResource resource,
OutputStream out,
Range range,
Map<String, String> params,
String contentType)
throws IOException, NotAuthorizedException, BadRequestException, NotFoundException {
Object source = resource.getSource();
ControllerMethod cm = getBestMethod(source.getClass(), contentType, params, null);
if (cm == null) {
throw new RuntimeException("Method not found: " + getClass() + " - " + source.getClass());
}
log.trace("execute GET method: " + cm.method.getName());
try {
// Object[] args = annoResourceFactory.buildInvokeArgs(resource, cm.method, range, params,
// contentType, out);
// Object result = cm.method.invoke(cm.controller, args);
Object result = invoke(cm, resource, range, params, contentType, out);
if (result != null) {
log.trace("method returned a value, so write it to output");
if (result instanceof String) {
ModelAndView modelAndView = new ModelAndView("resource", source, result.toString());
processTemplate(modelAndView, resource, out);
} else if (result instanceof JsonResult) {
JsonResult jsonr = (JsonResult) result;
JsonWriter jsonWriter = new JsonWriter();
jsonWriter.write(jsonr, out);
} else if (result instanceof InputStream) {
InputStream contentIn = (InputStream) result;
if (range != null) {
StreamUtils.readTo(contentIn, out, true, false, range.getStart(), range.getFinish());
} else {
try {
IOUtils.copy(contentIn, out);
} finally {
IOUtils.closeQuietly(contentIn);
}
}
} else if (result instanceof byte[]) {
byte[] bytes = (byte[]) result;
out.write(bytes);
} else if (result instanceof ModelAndView) {
processTemplate((ModelAndView) result, resource, out);
} else {
throw new RuntimeException(
"Unsupported return type from method: "
+ cm.method.getName()
+ " in "
+ cm.controller.getClass()
+ " should return String or byte[]");
}
}
out.flush();
} catch (IOException e) {
throw e;
} catch (NotAuthorizedException e) {
throw e;
} catch (BadRequestException e) {
throw e;
} catch (NotFoundException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
