static SimpleConfigOrigin readOrigin()

in scripts/src/main/java/com/gu/typesafe/config/impl/SerializedConfigValue.java [221:283]
61 lines of code
20 McCabe index (conditional complexity)

    static SimpleConfigOrigin readOrigin(DataInput in, SimpleConfigOrigin baseOrigin)
            throws IOException {
        Map<SerializedField, Object> m = new EnumMap<SerializedField, Object>(SerializedField.class);
        while (true) {
            Object v = null;
            SerializedField field = readCode(in);
            switch (field) {
            case END_MARKER:
                return SimpleConfigOrigin.fromBase(baseOrigin, m);
            case ORIGIN_DESCRIPTION:
                in.readInt(); // discard length
                v = in.readUTF();
                break;
            case ORIGIN_LINE_NUMBER:
                in.readInt(); // discard length
                v = in.readInt();
                break;
            case ORIGIN_END_LINE_NUMBER:
                in.readInt(); // discard length
                v = in.readInt();
                break;
            case ORIGIN_TYPE:
                in.readInt(); // discard length
                v = in.readUnsignedByte();
                break;
            case ORIGIN_URL:
                in.readInt(); // discard length
                v = in.readUTF();
                break;
            case ORIGIN_RESOURCE:
                in.readInt(); // discard length
                v = in.readUTF();
                break;
            case ORIGIN_COMMENTS:
                in.readInt(); // discard length
                int size = in.readInt();
                List<String> list = new ArrayList<String>(size);
                for (int i = 0; i < size; ++i) {
                    list.add(in.readUTF());
                }
                v = list;
                break;
            case ORIGIN_NULL_URL: // FALL THRU
            case ORIGIN_NULL_RESOURCE: // FALL THRU
            case ORIGIN_NULL_COMMENTS:
                // nothing to read besides code and length
                in.readInt(); // discard length
                v = ""; // just something non-null to put in the map
                break;
            case ROOT_VALUE:
            case ROOT_WAS_CONFIG:
            case VALUE_DATA:
            case VALUE_ORIGIN:
                throw new IOException("Not expecting this field here: " + field);
            case UNKNOWN:
                // skip unknown field
                skipField(in);
                break;
            }
            if (v != null)
                m.put(field, v);
        }
    }