public void write()

in ch-commons-util/src/main/java/com/cloudhopper/commons/util/FastByteArrayOutputStream.java [117:150]

• 29 lines of code
• 9 McCabe index (conditional complexity)

    public void write(byte[] data, int offset, int length) throws IOException {
        if (data == null) {
            throw new NullPointerException();
        } else if ((offset < 0) || ((offset + length) > data.length) || (length < 0)) {
            throw new IndexOutOfBoundsException();
        } else if (closed) {
            throw new IOException("Stream closed");
        } else {
            if ((index + length) > blockSize) {
                int copyLength;

                do {
                    if (index == blockSize) {
                        addBuffer();
                    }

                    copyLength = blockSize - index;

                    if (length < copyLength) {
                        copyLength = length;
                    }

                    System.arraycopy(data, offset, buffer, index, copyLength);
                    offset += copyLength;
                    index += copyLength;
                    length -= copyLength;
                } while (length > 0);
            } else {
                // Copy in the subarray
                System.arraycopy(data, offset, buffer, index, length);
                index += length;
            }
        }
    }