private void consumeSettingsFrame()

in httpcore5-h2/src/main/java/org/apache/hc/core5/http2/impl/nio/AbstractH2StreamMultiplexer.java [1147:1197]
51 lines of code
14 McCabe index (conditional complexity)

    private void consumeSettingsFrame(final ByteBuffer payload) throws IOException {
        final H2Config.Builder configBuilder = H2Config.initial();
        while (payload.hasRemaining()) {
            final int code = payload.getShort();
            final int value = payload.getInt();
            final H2Param param = H2Param.valueOf(code);
            if (param != null) {
                switch (param) {
                    case HEADER_TABLE_SIZE:
                        try {
                            configBuilder.setHeaderTableSize(value);
                        } catch (final IllegalArgumentException ex) {
                            throw new H2ConnectionException(H2Error.PROTOCOL_ERROR, ex.getMessage());
                        }
                        break;
                    case MAX_CONCURRENT_STREAMS:
                        try {
                            configBuilder.setMaxConcurrentStreams(value);
                        } catch (final IllegalArgumentException ex) {
                            throw new H2ConnectionException(H2Error.PROTOCOL_ERROR, ex.getMessage());
                        }
                        break;
                    case ENABLE_PUSH:
                        configBuilder.setPushEnabled(value == 1);
                        break;
                    case INITIAL_WINDOW_SIZE:
                        try {
                            configBuilder.setInitialWindowSize(value);
                        } catch (final IllegalArgumentException ex) {
                            throw new H2ConnectionException(H2Error.PROTOCOL_ERROR, ex.getMessage());
                        }
                        break;
                    case MAX_FRAME_SIZE:
                        try {
                            configBuilder.setMaxFrameSize(value);
                        } catch (final IllegalArgumentException ex) {
                            throw new H2ConnectionException(H2Error.PROTOCOL_ERROR, ex.getMessage());
                        }
                        break;
                    case MAX_HEADER_LIST_SIZE:
                        try {
                            configBuilder.setMaxHeaderListSize(value);
                        } catch (final IllegalArgumentException ex) {
                            throw new H2ConnectionException(H2Error.PROTOCOL_ERROR, ex.getMessage());
                        }
                        break;
                }
            }
        }
        applyRemoteSettings(configBuilder.build());
    }