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author | Earl Ou <shunhsingou@google.com> | 2012-11-28 13:58:30 +0800 |
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committer | Earl Ou <shunhsingou@google.com> | 2012-11-30 15:33:35 +0800 |
commit | c06c8045b159d68f8fda051d59a0eb82215067ee (patch) | |
tree | a8cd78057083a95aba93c7bfab9dab0609c6db46 /gallerycommon/src/com/android/gallery3d/exif/ByteBufferInputStream.java | |
parent | 4523405aae7df882bf579cd0257335e3ba267258 (diff) | |
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ExifModifier
Change-Id: I001b24d8ba004a4080cd898f0d26d706b1839425
Diffstat (limited to 'gallerycommon/src/com/android/gallery3d/exif/ByteBufferInputStream.java')
-rw-r--r-- | gallerycommon/src/com/android/gallery3d/exif/ByteBufferInputStream.java | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/gallerycommon/src/com/android/gallery3d/exif/ByteBufferInputStream.java b/gallerycommon/src/com/android/gallery3d/exif/ByteBufferInputStream.java new file mode 100644 index 000000000..7fb9f22cc --- /dev/null +++ b/gallerycommon/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; + } +} |