public int read()

in core/src/main/java/org/apache/james/mime4j/io/TextInputStream.java [63:97]

• 35 lines of code
• 12 McCabe index (conditional complexity)

    public int read(byte[] b, int off, int len) throws IOException {
        if (b == null) {
            throw new NullPointerException();
        }
        if (off < 0 || len < 0 || off + len > b.length) {
            throw new IndexOutOfBoundsException();
        }
        if (!this.bbuf.hasRemaining() && !this.cbuf.hasRemaining()) {
            return -1;
        }
        int bytesRead = 0;
        while (len > 0) {
            if (this.bbuf.hasRemaining()) {
                int chunk = Math.min(this.bbuf.remaining(), len);
                this.bbuf.get(b, off, chunk);
                off += chunk;
                len -= chunk;
                bytesRead += chunk;
            } else {
                fillBuffer();
                if (!this.bbuf.hasRemaining() && !this.cbuf.hasRemaining()) {
                    break;
                }
            }
        }
        if (bytesRead > 0) {
            return bytesRead;
        } else {
            if (!this.bbuf.hasRemaining() && !this.cbuf.hasRemaining()) {
                return -1;
            } else {
                return bytesRead;
            }
        }
    }