@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
String uri = getDecodedUri(request);
try {
Pattern p = Pattern.compile(".*/NodePersistentStorage.bin/([^/]+)/([^/]+)");
Matcher m = p.matcher(uri);
boolean b = m.matches();
if (!b) {
setResponseStatus(response, HttpServletResponse.SC_BAD_REQUEST);
response.getWriter().write("Improperly formatted URI");
return;
}
String categoryName = m.group(1);
String keyName = m.group(2);
NodePersistentStorage nps = H2O.getNPS();
AtomicLong length = new AtomicLong();
InputStream is = nps.get(categoryName, keyName, length);
if (length.get() > (long) Integer.MAX_VALUE) {
throw new Exception("NPS value size exceeds Integer.MAX_VALUE");
}
response.setContentType("application/octet-stream");
response.setContentLength((int) length.get());
response.addHeader("Content-Disposition", "attachment; filename=" + keyName + ".flow");
setResponseStatus(response, HttpServletResponse.SC_OK);
OutputStream os = response.getOutputStream();
water.util.FileUtils.copyStream(is, os, 2048);
} catch (Exception e) {
sendErrorResponse(response, e, uri);
} finally {
logRequest("GET", request, response);
}
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
String uri = getDecodedUri(request);
try {
Pattern p = Pattern.compile(".*NodePersistentStorage.bin/([^/]+)/([^/]+)");
Matcher m = p.matcher(uri);
boolean b = m.matches();
if (!b) {
setResponseStatus(response, HttpServletResponse.SC_BAD_REQUEST);
response.getWriter().write("Improperly formatted URI");
return;
}
String categoryName = m.group(1);
String keyName = m.group(2);
InputStream is = extractPartInputStream(request, response);
if (is == null) {
return;
}
H2O.getNPS().put(categoryName, keyName, is);
long length = H2O.getNPS().get_length(categoryName, keyName);
String responsePayload =
"{ "
+ "\"category\" : "
+ "\""
+ categoryName
+ "\", "
+ "\"name\" : "
+ "\""
+ keyName
+ "\", "
+ "\"total_bytes\" : "
+ length
+ " "
+ "}\n";
response.setContentType("application/json");
response.getWriter().write(responsePayload);
} catch (Exception e) {
sendErrorResponse(response, e, uri);
} finally {
logRequest("POST", request, response);
}
}