public boolean consume()

in http2/src/main/java/org/apache/mina/http2/impl/Http2PriorityFrameDecoder.java [59:87]

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

    public boolean consume(ByteBuffer buffer) {
        while ((getValue() == null) && buffer.remaining() > 0) {
            switch (state) {
            case STREAM_DEPENDENCY:
                if (decoder.consume(buffer)) {
                    builder.streamDependencyID(((IntPartialDecoder)decoder).getValue() & HTTP2_31BITS_MASK);
                    builder.exclusiveMode((((IntPartialDecoder)decoder).getValue() & HTTP2_EXCLUSIVE_MASK) == HTTP2_EXCLUSIVE_MASK);
                    state = State.WEIGHT;
                }
                break;
            case WEIGHT:
                builder.weight((short) ((buffer.get() & 0x00FF) + 1));
                int extraLength = getHeader().getLength() - 5;
                if (extraLength > 0) {
                    decoder = new BytePartialDecoder(extraLength);
                state = State.EXTRA;
                } else {
                    setValue(builder.build());
                }
                break;
            case EXTRA:
                if (decoder.consume(buffer)) {
                    setValue(builder.build());
                }
                break;
            }
        }
        return getValue() != null;
    }