Add stream-bytes endpoint

Author: gaul

README.md

@@ -27,6 +27,7 @@ Java httpbin supports a subset of httpbin endpoints:
 - `/absolute-redirect/:n` 302 Absolute redirects _n_ times.
 - `/redirect-to?url=foo` 302 Redirects to the _foo_ URL.
 - `/stream/:n` Streams _n_ lines of JSON objects.
+- `/stream-bytes/:n?chunkSize=c&seed=s` Streams _n_ bytes.
 - `/delay/:n` Delays responding for _min(n, 10)_ seconds.
 - `/bytes/:n` Generates _n_ random bytes of binary data, accepts optional _seed_ integer parameter.
 - `/cookies` Returns the cookies.

src/main/java/org/gaul/httpbin/HttpBinHandler.java

@@ -336,6 +336,29 @@ baos, new Deflater(Deflater.DEFAULT_COMPRESSION,
                     os.flush();
                 }
 
+                baseRequest.setHandled(true);
+                return;
+            } else if (method.equals("GET") && uri.startsWith(
+                    "/stream-bytes/")) {
+                Utils.copy(is, Utils.NULL_OUTPUT_STREAM);
+
+                long numBytes = Long.parseLong(uri.substring(
+                        "/stream-bytes/".length()));
+
+                int seed = Utils.getIntParameter(request, "seed", -1);
+                int chunkSize = Utils.getIntParameter(request, "chunkSize",
+                        200);
+                byte[] buf = new byte[chunkSize];
+                Random random = seed == -1 ? new Random() : new Random(seed);
+
+                servletResponse.setStatus(HttpServletResponse.SC_OK);
+
+                for (long i = 0; i < numBytes; i += chunkSize) {
+                    random.nextBytes(buf);
+                    os.write(buf, 0, i + chunkSize > numBytes ?
+                            (int) (numBytes - i) : chunkSize);
+                }
+
                 baseRequest.setHandled(true);
                 return;
             } else if ((method.equals("POST") && uri.equals("/post")) ||