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Diffstat (limited to 'WallpaperPicker/src/com/android/gallery3d/exif/ByteBufferInputStream.java')
-rw-r--r--WallpaperPicker/src/com/android/gallery3d/exif/ByteBufferInputStream.java48
1 files changed, 48 insertions, 0 deletions
diff --git a/WallpaperPicker/src/com/android/gallery3d/exif/ByteBufferInputStream.java b/WallpaperPicker/src/com/android/gallery3d/exif/ByteBufferInputStream.java
new file mode 100644
index 000000000..7fb9f22cc
--- /dev/null
+++ b/WallpaperPicker/src/com/android/gallery3d/exif/ByteBufferInputStream.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.gallery3d.exif;
+
+import java.io.InputStream;
+import java.nio.ByteBuffer;
+
+class ByteBufferInputStream extends InputStream {
+
+ private ByteBuffer mBuf;
+
+ public ByteBufferInputStream(ByteBuffer buf) {
+ mBuf = buf;
+ }
+
+ @Override
+ public int read() {
+ if (!mBuf.hasRemaining()) {
+ return -1;
+ }
+ return mBuf.get() & 0xFF;
+ }
+
+ @Override
+ public int read(byte[] bytes, int off, int len) {
+ if (!mBuf.hasRemaining()) {
+ return -1;
+ }
+
+ len = Math.min(len, mBuf.remaining());
+ mBuf.get(bytes, off, len);
+ return len;
+ }
+}