From 1170e4a91af00eb00988a7224ac30d103d4f1cd3 Mon Sep 17 00:00:00 2001
From: Hannes Janetzek <hannes.janetzek@gmail.com>
Date: Sat, 25 Jan 2014 10:04:26 +0100
Subject: [PATCH] implement LwHttp.Buffer.mark()/reset()

- fixes bitmap tile loading
---
 .../org/oscim/tiling/source/common/LwHttp.java    | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/vtm/src/org/oscim/tiling/source/common/LwHttp.java b/vtm/src/org/oscim/tiling/source/common/LwHttp.java
index aeea40c8..4db1fb58 100644
--- a/vtm/src/org/oscim/tiling/source/common/LwHttp.java
+++ b/vtm/src/org/oscim/tiling/source/common/LwHttp.java
@@ -110,6 +110,7 @@ public class LwHttp {
 	static class Buffer extends BufferedInputStream {
 		OutputStream mCache;
 		int sumRead = 0;
+		int marked = -1;
 		int mContentLength;
 
 		public Buffer(InputStream is) {
@@ -129,6 +130,20 @@ public class LwHttp {
 			return sumRead == mContentLength;
 		}
 
+		@Override
+		public synchronized void mark(int readlimit) {
+			marked = sumRead;
+			super.mark(readlimit);
+		}
+
+		@Override
+		public synchronized void reset() throws IOException {
+			if (marked >= 0)
+				sumRead = marked;
+			// TODO could check if the mark is  already invalid
+			super.reset();
+		}
+
 		@Override
 		public int read() throws IOException {
 			if (sumRead >= mContentLength)