jimu-decompiled/sources/com/bumptech/glide/util/ByteBufferUtil.java

package com.bumptech.glide.util;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
import java.util.concurrent.atomic.AtomicReference;

/* loaded from: classes.dex */
public final class ByteBufferUtil {

    static final class SafeArray {
        final int a;
        final int b;
        final byte[] c;

        SafeArray(byte[] bArr, int i, int i2) {
            this.c = bArr;
            this.a = i;
            this.b = i2;
        }
    }

    static {
        new AtomicReference();
    }

    public static ByteBuffer a(File file) throws IOException {
        RandomAccessFile randomAccessFile;
        FileChannel channel;
        FileChannel fileChannel = null;
        try {
            long length = file.length();
            if (length > 2147483647L) {
                throw new IOException("File too large to map into memory");
            }
            if (length == 0) {
                throw new IOException("File unsuitable for memory mapping");
            }
            randomAccessFile = new RandomAccessFile(file, "r");
            try {
                channel = randomAccessFile.getChannel();
            } catch (Throwable th) {
                th = th;
            }
            try {
                MappedByteBuffer load = channel.map(FileChannel.MapMode.READ_ONLY, 0L, length).load();
                if (channel != null) {
                    try {
                        channel.close();
                    } catch (IOException unused) {
                    }
                }
                try {
                    randomAccessFile.close();
                } catch (IOException unused2) {
                }
                return load;
            } catch (Throwable th2) {
                fileChannel = channel;
                th = th2;
                if (fileChannel != null) {
                    try {
                        fileChannel.close();
                    } catch (IOException unused3) {
                    }
                }
                if (randomAccessFile == null) {
                    throw th;
                }
                try {
                    randomAccessFile.close();
                    throw th;
                } catch (IOException unused4) {
                    throw th;
                }
            }
        } catch (Throwable th3) {
            th = th3;
            randomAccessFile = null;
        }
    }

    public static byte[] b(ByteBuffer byteBuffer) {
        SafeArray a = a(byteBuffer);
        if (a != null && a.a == 0 && a.b == a.c.length) {
            return byteBuffer.array();
        }
        ByteBuffer asReadOnlyBuffer = byteBuffer.asReadOnlyBuffer();
        byte[] bArr = new byte[asReadOnlyBuffer.limit()];
        asReadOnlyBuffer.position(0);
        asReadOnlyBuffer.get(bArr);
        return bArr;
    }

    public static InputStream c(ByteBuffer byteBuffer) {
        return new ByteBufferStream(byteBuffer);
    }

    private static class ByteBufferStream extends InputStream {
        private final ByteBuffer a;
        private int b = -1;

        ByteBufferStream(ByteBuffer byteBuffer) {
            this.a = byteBuffer;
        }

        @Override // java.io.InputStream
        public int available() {
            return this.a.remaining();
        }

        @Override // java.io.InputStream
        public synchronized void mark(int i) {
            this.b = this.a.position();
        }

        @Override // java.io.InputStream
        public boolean markSupported() {
            return true;
        }

        @Override // java.io.InputStream
        public int read() {
            if (this.a.hasRemaining()) {
                return this.a.get();
            }
            return -1;
        }

        @Override // java.io.InputStream
        public synchronized void reset() throws IOException {
            if (this.b == -1) {
                throw new IOException("Cannot reset to unset mark position");
            }
            this.a.position(this.b);
        }

        @Override // java.io.InputStream
        public long skip(long j) throws IOException {
            if (!this.a.hasRemaining()) {
                return -1L;
            }
            long min = Math.min(j, available());
            this.a.position((int) (r0.position() + min));
            return min;
        }

        @Override // java.io.InputStream
        public int read(byte[] bArr, int i, int i2) throws IOException {
            if (!this.a.hasRemaining()) {
                return -1;
            }
            int min = Math.min(i2, available());
            this.a.get(bArr, i, min);
            return min;
        }
    }

    public static void a(ByteBuffer byteBuffer, File file) throws IOException {
        RandomAccessFile randomAccessFile;
        byteBuffer.position(0);
        FileChannel fileChannel = null;
        try {
            randomAccessFile = new RandomAccessFile(file, "rw");
        } catch (Throwable th) {
            th = th;
            randomAccessFile = null;
        }
        try {
            fileChannel = randomAccessFile.getChannel();
            fileChannel.write(byteBuffer);
            fileChannel.force(false);
            fileChannel.close();
            randomAccessFile.close();
            if (fileChannel != null) {
                try {
                    fileChannel.close();
                } catch (IOException unused) {
                }
            }
            try {
                randomAccessFile.close();
            } catch (IOException unused2) {
            }
        } catch (Throwable th2) {
            th = th2;
            if (fileChannel != null) {
                try {
                    fileChannel.close();
                } catch (IOException unused3) {
                }
            }
            if (randomAccessFile != null) {
                try {
                    randomAccessFile.close();
                    throw th;
                } catch (IOException unused4) {
                    throw th;
                }
            }
            throw th;
        }
    }

    private static SafeArray a(ByteBuffer byteBuffer) {
        if (byteBuffer.isReadOnly() || !byteBuffer.hasArray()) {
            return null;
        }
        return new SafeArray(byteBuffer.array(), byteBuffer.arrayOffset(), byteBuffer.limit());
    }
}