Example usage for java.lang ArrayIndexOutOfBoundsException ArrayIndexOutOfBoundsException

Introduction

In this page you can find the example usage for java.lang ArrayIndexOutOfBoundsException ArrayIndexOutOfBoundsException.

Prototype

public ArrayIndexOutOfBoundsException() 

Source Link

Document

Constructs an ArrayIndexOutOfBoundsException with no detail message.

Usage

From source file:org.apache.hadoop.io.compress.bzip2.Bzip2Compressor.java

@Override
public synchronized void setInput(byte[] b, int off, int len) {
    if (b == null) {
        throw new NullPointerException();
    }/*from   w  ww .  ja  v  a2s . c om*/
    if (off < 0 || len < 0 || off > b.length - len) {
        throw new ArrayIndexOutOfBoundsException();
    }

    this.userBuf = b;
    this.userBufOff = off;
    this.userBufLen = len;
    uncompressedDirectBufOff = 0;
    setInputFromSavedData();

    // Reinitialize bzip2's output direct buffer.
    compressedDirectBuf.limit(directBufferSize);
    compressedDirectBuf.position(directBufferSize);
}

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From source file:org.apache.hadoop.io.compress.lzma.LzmaDecompressor.java

public synchronized int decompress(byte[] b, int off, int len) throws IOException {
    if (b == null) {
        throw new NullPointerException();
    }/*from   w  w w  .j a v a 2 s .c  o  m*/
    if (off < 0 || len < 0 || off > b.length - len) {
        throw new ArrayIndexOutOfBoundsException();
    }

    int n = 0;

    // Check if there is uncompressed data
    n = uncompressedDirectBuf.remaining();
    if (n > 0) {
        n = Math.min(n, len);
        ((ByteBuffer) uncompressedDirectBuf).get(b, off, n);
        return n;
    }

    // Re-initialize the lzma's output direct buffer
    uncompressedDirectBuf.rewind();
    uncompressedDirectBuf.limit(directBufferSize);

    // Decompress data
    if (compressedDirectBufLen > 0) {
        n = decompressBytesDirect();
    }

    uncompressedDirectBuf.limit(n);

    // Get atmost 'len' bytes
    n = Math.min(n, len);
    ((ByteBuffer) uncompressedDirectBuf).get(b, off, n);

    return n;
}

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From source file:com.gpl_compression.lzo.LzoDecompressor.java

public synchronized void setInput(byte[] b, int off, int len) {
    if (b == null) {
        throw new NullPointerException();
    }//from   w ww  .  j a  v a 2s .co m
    if (off < 0 || len < 0 || off > b.length - len) {
        throw new ArrayIndexOutOfBoundsException();
    }

    this.userBuf = b;
    this.userBufOff = off;
    this.userBufLen = len;

    setInputFromSavedData();

    // Reinitialize lzo's output direct-buffer 
    uncompressedDirectBuf.limit(directBufferSize);
    uncompressedDirectBuf.position(directBufferSize);
}

---

From source file:com.hadoop.compression.fourmc.zstd.ZstdStreamDecompressor.java

public synchronized int decompress(byte[] b, int off, int len) throws IOException {
    if (b == null) {
        throw new NullPointerException();
    }/*  w  w w.  ja  va 2  s .  com*/
    if (off < 0 || len < 0 || off > b.length - len) {
        throw new ArrayIndexOutOfBoundsException();
    }

    int numBytes = 0;
    numBytes = oBuff.remaining();
    if (numBytes > 0) {
        numBytes = Math.min(numBytes, len);
        ((ByteBuffer) oBuff).get(b, off, numBytes);
        return numBytes;
    }

    // Check if there is data to decompress. When an end of frame is reached, decompress shall not call
    // decompressStream without initStream.
    if (srcPos < iBuffLen || (iBuffLen == toRead && !finished)) {

        // Re-initialize the ZstdStream's output direct-buffer
        oBuff.rewind();
        oBuff.limit(oBuffSize);
        dstPos = 0;

        // Decompress data, all the input should be consumed
        toRead = decompressStream(dStream, oBuff, oBuffSize, iBuff, iBuffLen);
        if (Zstd.isError(toRead)) {
            throw new InternalError("ZSTD decompressStream failed, due to: " + Zstd.getErrorName(toRead));
        }

        // If toRead is 0, then we have finished decoding a frame. Finished should be set to true.
        finished = toRead == 0;

        // Check if all data in iBuff is consumed.
        if (srcPos >= iBuffLen) {
            srcPos = 0;
            iBuffLen = 0;
            iBuff.clear();
            // toRead being 1 is a special case, meaning:
            // 1. zstd really need another one byte.
            // 2. zstd don't flush all the data into oBuff when oBuff is small.
            // When all the input is consumed and dstPos > 0, then toRead = 1 only happens in case 2.
            // This exception will be eliminated in later versions of zstd(>1.0.0). The following line then can
            // be safely removed or kept untouched as it will not be triggered.
            toRead = (toRead == 1 && dstPos != 0) ? 0 : toRead;
        }
        // Read most iBuffSize, works even for skippable frame(toRead can be any sizes between 1 to 4GB-1
        // in a skippable frame)
        toRead = Math.min(toRead, iBuffSize);
        numBytes = oBuffLen;
        oBuff.limit(numBytes);
        // Return atmost 'len' bytes
        numBytes = Math.min(numBytes, len);
        ((ByteBuffer) oBuff).get(b, off, numBytes);
    }

    return numBytes;
}

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From source file:org.rythmengine.internal.TemplateParser.java

@Override
public char pop() {
    if (!hasRemain())
        throw new ArrayIndexOutOfBoundsException();
    char c = template.charAt(cursor);
    step(1);//w w  w  .j a v a2  s  .  c o  m
    return c;
}

---

From source file:com.hadoop.compression.fourmc.Lz4Decompressor.java

public synchronized int decompress(byte[] b, int off, int len) throws IOException {
    if (b == null) {
        throw new NullPointerException();
    }/* w  ww  .  ja  v a2s.c o  m*/
    if (off < 0 || len < 0 || off > b.length - len) {
        throw new ArrayIndexOutOfBoundsException();
    }

    int numBytes = 0;
    if (isCurrentBlockUncompressed()) {
        // The current block has been stored uncompressed, so just
        // copy directly from the input buffer.
        numBytes = Math.min(userBufLen, len);
        System.arraycopy(userBuf, userBufOff, b, off, numBytes);
        userBufOff += numBytes;
        userBufLen -= numBytes;
    } else {
        // Check if there is uncompressed data
        numBytes = uncompressedDirectBuf.remaining();
        if (numBytes > 0) {
            numBytes = Math.min(numBytes, len);
            ((ByteBuffer) uncompressedDirectBuf).get(b, off, numBytes);
            return numBytes;
        }

        // Check if there is data to decompress
        if (compressedDirectBufLen > 0) {
            // Re-initialize the LZ4's output direct-buffer
            uncompressedDirectBuf.rewind();
            uncompressedDirectBuf.limit(directBufferSize);

            // Decompress data
            numBytes = decompressBytesDirect();
            uncompressedDirectBuf.limit(numBytes);

            // Return atmost 'len' bytes
            numBytes = Math.min(numBytes, len);
            ((ByteBuffer) uncompressedDirectBuf).get(b, off, numBytes);
        }
    }

    // Set 'finished' if LZ4 has consumed all user-data
    if (userBufLen <= 0) {
        finished = true;
    }

    return numBytes;
}

---

From source file:org.apache.hadoop.io.compress.lzo.LzoCompressor.java

public synchronized void setInput(byte[] b, int off, int len) {
    if (b == null) {
        throw new NullPointerException();
    }//w w  w . j a  va2 s  .  c  o m
    if (off < 0 || len < 0 || off > b.length - len) {
        throw new ArrayIndexOutOfBoundsException();
    }
    finished = false;

    if (len > uncompressedDirectBuf.remaining()) {
        // save data; now !needsInput
        this.userBuf = b;
        this.userBufOff = off;
        this.userBufLen = len;
    } else {
        ((ByteBuffer) uncompressedDirectBuf).put(b, off, len);
        uncompressedDirectBufLen = uncompressedDirectBuf.position();
    }
    bytesread += len;
}

---

From source file:com.hadoop.compression.lzo.LzoDecompressor.java

public synchronized void setInput(byte[] b, int off, int len) {
    if (!isCurrentBlockUncompressed()) {
        if (len > directBufferSize) {
            LOG.warn("Decompression will fail because compressed buffer size :" + len
                    + " is greater than this decompressor's directBufferSize: " + directBufferSize
                    + ". To fix this, increase the value of your "
                    + "configuration's io.compression.codec.lzo.buffersize to be larger " + "than: " + len
                    + ".");
        }//  ww w  .java2s .  c  o m
    }

    if (b == null) {
        throw new NullPointerException();
    }
    if (off < 0 || len < 0 || off > b.length - len) {
        throw new ArrayIndexOutOfBoundsException();
    }

    this.userBuf = b;
    this.userBufOff = off;
    this.userBufLen = len;

    setInputFromSavedData();

    // Reinitialize lzo's output direct-buffer 
    uncompressedDirectBuf.limit(directBufferSize);
    uncompressedDirectBuf.position(directBufferSize);
}

---

From source file:org.apache.hadoop.io.compress.lzma.LzmaCompressor.java

public synchronized int compress(byte[] b, int off, int len) throws IOException {
    if (b == null) {
        throw new NullPointerException();
    }//ww  w  . j a v a  2 s.  c om
    if (off < 0 || len < 0 || off > b.length - len) {
        throw new ArrayIndexOutOfBoundsException();
    }

    int n = 0;

    // Check if there is compressed data
    n = compressedDirectBuf.remaining();
    if (n > 0) {
        n = Math.min(n, len);
        ((ByteBuffer) compressedDirectBuf).get(b, off, n);
        return n;
    }

    // Re-initialize the lzma's output direct buffer
    compressedDirectBuf.rewind();
    compressedDirectBuf.limit(directBufferSize);

    // Compress data
    n = compressBytesDirect();
    compressedDirectBuf.limit(n);

    // Get atmost 'len' bytes
    n = Math.min(n, len);
    ((ByteBuffer) compressedDirectBuf).get(b, off, n);

    return n;
}

---

From source file:com.hadoop.compression.fourmc.zstd.ZstdStreamCompressor.java

public synchronized int compress(byte[] b, int off, int len) throws IOException {
    if (b == null) {
        throw new NullPointerException();
    }//w w  w. ja  v  a 2s .  c  o m
    if (off < 0 || len < 0 || off > b.length - len) {
        throw new ArrayIndexOutOfBoundsException();
    }

    int n = oBuff.remaining();
    if (n > 0) {
        n = Math.min(n, len);
        ((ByteBuffer) oBuff).get(b, off, n);
        bytesWritten += n;
        return n;
    }
    // Happens when oBuffSize is small, zstd cannot flush content in the internal buffer just once.
    // The code will not be triggered if we use Zstd.cStreamInSize/Zstd.cStreamOutSize as input/output buffer size
    if (remainingToFlush > 0) {
        oBuff.rewind();
        remainingToFlush = endStream(cStream, oBuff, 0, oBuff.capacity());
        if (Zstd.isError(remainingToFlush)) {
            throw new InternalError("Zstd endStream failed, due to: " + Zstd.getErrorName(remainingToFlush));
        }
        finished = remainingToFlush == 0;
        oBuff.limit(oBuffLen);
        n = Math.min(oBuffLen, len);
        bytesWritten += n;
        ((ByteBuffer) oBuff).get(b, off, n);

        return n;
    }
    if (0 == iBuff.position()) {
        setInputFromSavedData();
        if (0 == iBuff.position()) {
            finished = true;
            return 0;
        }
    }

    oBuff.rewind();
    oBuff.limit(oBuffSize);

    // iBuffLen = iBuffSize in most times. iBuffLen can be < iBuffSize if compress() is called after finish();
    // oBuff is cleared before this call.
    int toRead = compressStream(cStream, oBuff, oBuffSize, iBuff, iBuffLen);

    if (Zstd.isError(toRead)) {
        throw new InternalError("ZSTD compressStream failed, due to: " + Zstd.getErrorName(toRead));
    }
    boolean inputConsumedAll = srcPos >= iBuffLen;
    // If all the data in iBuff is consumed, then iBuff should be reset.
    // Otherwise, data in iBuff remains intact and will be consumed by compressStream in the next compress() call
    if (inputConsumedAll) {
        iBuff.clear();
        srcPos = 0;
        iBuffLen = 0;
    }

    // finish() is called, all the data in iBuffLen is consumed, then a endFrame epilogue should be wrote.
    if (finish && userBufLen <= 0 && inputConsumedAll) {
        int oBuffOffset = oBuffLen;
        remainingToFlush = endStream(cStream, oBuff, oBuffOffset, oBuff.capacity() - oBuffOffset);
        if (Zstd.isError(remainingToFlush)) {
            throw new InternalError("Zstd endStream failed, due to: " + Zstd.getErrorName(remainingToFlush));
        }
        finished = remainingToFlush == 0;
    }

    oBuff.limit(oBuffLen);
    n = Math.min(oBuffLen, len);
    bytesWritten += n;
    ((ByteBuffer) oBuff).get(b, off, n);

    return n;
}

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