Examples of java.nio.BufferUnderflowException

java.nio.BufferUnderflowException
Unchecked exception thrown when a relative get operation reaches the source buffer's limit. @since 1.4

     * @param sliceSize the size of the slice
     * @return the buffer slice
     */
    public static IntBuffer slice(IntBuffer buffer, int sliceSize) {
        if (sliceSize > buffer.remaining() || sliceSize < -buffer.remaining()) {
            throw new BufferUnderflowException();
        }
        final int oldPos = buffer.position();
        final int oldLim = buffer.limit();
        if (sliceSize < 0) {
            // count from end (sliceSize is NEGATIVE)

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     * @param count the number of ints to fill
     * @return the buffer instance
     */
    public static IntBuffer fill(IntBuffer buffer, int value, int count) {
        if (count > buffer.remaining()) {
            throw new BufferUnderflowException();
        }
        if (buffer.hasArray()) {
            final int offs = buffer.arrayOffset();
            Arrays.fill(buffer.array(), offs + buffer.position(), offs + buffer.limit(), value);
            skip(buffer, count);

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     * @param sliceSize the size of the slice
     * @return the buffer slice
     */
    public static LongBuffer slice(LongBuffer buffer, int sliceSize) {
        if (sliceSize > buffer.remaining() || sliceSize < -buffer.remaining()) {
            throw new BufferUnderflowException();
        }
        final int oldPos = buffer.position();
        final int oldLim = buffer.limit();
        if (sliceSize < 0) {
            // count from end (sliceSize is NEGATIVE)

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     * @param count the number of longs to fill
     * @return the buffer instance
     */
    public static LongBuffer fill(LongBuffer buffer, long value, int count) {
        if (count > buffer.remaining()) {
            throw new BufferUnderflowException();
        }
        if (buffer.hasArray()) {
            final int offs = buffer.arrayOffset();
            Arrays.fill(buffer.array(), offs + buffer.position(), offs + buffer.limit(), value);
            skip(buffer, count);

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     * @param cnt the distantce to skip
     * @return the buffer instance
     */
    public static <T extends Buffer> T skip(T buffer, int cnt) {
        if (cnt > buffer.remaining()) {
            throw new BufferUnderflowException();
        }
        buffer.position(buffer.position() + cnt);
        return buffer;
    }

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    /**
     * @see ByteBuffer#get()
     */
    public byte get() {
        if (!hasRemaining()) {
            throw new BufferUnderflowException();
        }


        return get(position);
    }

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    /**
     * @see ByteBuffer#get(byte[], int,int)
     */
    public IoBuffer get(byte[] dst, int offset, int length) {
        if (remaining() < length) {
            throw new BufferUnderflowException();
        }
        int remainsToCopy = length;
        int currentOffset = offset;


        while (remainsToCopy > 0) {

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        return getInt(getPointerByPosition(index));
    }


    private int getInt(Pointer pos) {
        if (pos.getPosition() > capacity - Integer.SIZE / Byte.SIZE) {
            throw new BufferUnderflowException();
        }


        int out = 0;
        for (int i = 0; i < Integer.SIZE; i += Byte.SIZE) {
            out |= (get(pos) & BYTE_MASK) << (bo == ByteOrder.BIG_ENDIAN ? (Integer.SIZE - Byte.SIZE) - i : i);

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        return getLong(getPointerByPosition(index));
    }


    private long getLong(Pointer pos) {
        if (pos.getPosition() > capacity - Long.SIZE / Byte.SIZE) {
            throw new BufferUnderflowException();
        }


        long out = 0;
        for (int i = 0; i < Long.SIZE; i += Byte.SIZE) {
            out |= (get(pos) & BYTE_MASK_L) << (bo == ByteOrder.BIG_ENDIAN ? (Long.SIZE - Byte.SIZE) - i : i);

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        return getShort(getPointerByPosition(index));
    }


    private short getShort(Pointer pos) {
        if (pos.getPosition() > capacity - Short.SIZE / Byte.SIZE) {
            throw new BufferUnderflowException();
        }
        if (bo == ByteOrder.BIG_ENDIAN) {
            return (short) ((get(pos) & BYTE_MASK) << Byte.SIZE | (get(pos) & BYTE_MASK));
        } else {
            return (short) ((get(pos) & BYTE_MASK) | (get(pos) & BYTE_MASK) << Byte.SIZE);

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