37 lines
1.1 KiB
Kotlin
37 lines
1.1 KiB
Kotlin
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package it.sephiroth.android.library.exif2
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import java.io.InputStream
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import java.nio.ByteBuffer
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import kotlin.math.min
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internal class ByteBufferInputStream(private val mBuf : ByteBuffer) : InputStream() {
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override fun read() : Int = when {
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! mBuf.hasRemaining() -> - 1
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else -> mBuf.get().toInt() and 0xFF
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}
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override fun read(bytes : ByteArray, off : Int, len : Int) : Int {
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if(! mBuf.hasRemaining()) return - 1
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val willRead = min(len, mBuf.remaining())
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mBuf.get(bytes, off, willRead)
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return willRead
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}
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}
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