| /* |
| * 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.camera.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; |
| } |
| } |