public int read()

in src/main/java/org/apache/commons/io/input/CharSequenceReader.java [205:244]

• 38 lines of code
• 8 McCabe index (conditional complexity)

    public int read(final char[] array, final int offset, final int length) {
        if (idx >= end()) {
            return EOF;
        }
        Objects.requireNonNull(array, "array");
        if (length < 0 || offset < 0 || offset + length > array.length) {
            throw new IndexOutOfBoundsException("Array Size=" + array.length +
                    ", offset=" + offset + ", length=" + length);
        }

        if (charSequence instanceof String) {
            final int count = Math.min(length, end() - idx);
            ((String) charSequence).getChars(idx, idx + count, array, offset);
            idx += count;
            return count;
        }
        if (charSequence instanceof StringBuilder) {
            final int count = Math.min(length, end() - idx);
            ((StringBuilder) charSequence).getChars(idx, idx + count, array, offset);
            idx += count;
            return count;
        }
        if (charSequence instanceof StringBuffer) {
            final int count = Math.min(length, end() - idx);
            ((StringBuffer) charSequence).getChars(idx, idx + count, array, offset);
            idx += count;
            return count;
        }

        int count = 0;
        for (int i = 0; i < length; i++) {
            final int c = read();
            if (c == EOF) {
                return count;
            }
            array[offset + i] = (char)c;
            count++;
        }
        return count;
    }