private List encodeFeatures()

in uimaj-core/src/main/java/org/apache/uima/cas/impl/XmiCasSerializer.java [960:1109]
104 lines of code
41 McCabe index (conditional complexity)

    private List<XmlElementNameAndContents> encodeFeatures(TOP fs, AttributesImpl attrs,
            boolean insideListNode) throws SAXException {
      List<XmlElementNameAndContents> childElements = new ArrayList<>();
      // int heapValue = cds.cas.getHeapValue(addr);
      // int[] feats = cds.tsi.ll_getAppropriateFeatures(heapValue);

      String attrValue;
      // boolean isSofa = false;
      // if (sofaTypeCode == heapValue)
      // {
      // // set isSofa flag to apply SofaID mapping and to store sofaNum->xmi:id mapping
      // isSofa = true;
      // }
      for (final FeatureImpl fi : fs._getTypeImpl().getFeatureImpls()) {

        if (cds.isFiltering) {
          // skip features that aren't in the target type system
          String fullFeatName = fi.getName();
          if (cds.filterTypeSystem_inner.getFeatureByFullName(fullFeatName) == null) {
            continue;
          }
        }

        final String featName = fi.getShortName();
        final int featureValueClass = fi.rangeTypeClass;

        switch (featureValueClass) {

          case LowLevelCAS.TYPE_CLASS_BYTE:
          case LowLevelCAS.TYPE_CLASS_SHORT:
          case LowLevelCAS.TYPE_CLASS_INT:
          case LowLevelCAS.TYPE_CLASS_LONG:
          case LowLevelCAS.TYPE_CLASS_FLOAT:
          case LowLevelCAS.TYPE_CLASS_DOUBLE:
          case LowLevelCAS.TYPE_CLASS_BOOLEAN:
            attrValue = fs.getFeatureValueAsString(fi);
            break;

          case LowLevelCAS.TYPE_CLASS_STRING:
            attrValue = fs.getFeatureValueAsString(fi);
            break;

          // Arrays
          case LowLevelCAS.TYPE_CLASS_INTARRAY:
          case LowLevelCAS.TYPE_CLASS_FLOATARRAY:
          case LowLevelCAS.TYPE_CLASS_BOOLEANARRAY:
          case LowLevelCAS.TYPE_CLASS_BYTEARRAY:
          case LowLevelCAS.TYPE_CLASS_SHORTARRAY:
          case LowLevelCAS.TYPE_CLASS_LONGARRAY:
          case LowLevelCAS.TYPE_CLASS_DOUBLEARRAY:
          case LowLevelCAS.TYPE_CLASS_FSARRAY:
            if (cds.isStaticMultiRef(fi)) {
              attrValue = cds.getXmiId(fs.getFeatureValue(fi));
            } else {
              attrValue = arrayToString(fs.getFeatureValue(fi), featureValueClass);
            }
            break;

          // special case for StringArrays, which stored values as child elements rather
          // than attributes.
          case LowLevelCAS.TYPE_CLASS_STRINGARRAY:
            StringArray stringArray = (StringArray) fs.getFeatureValue(fi);
            if (cds.isStaticMultiRef(fi)) {
              attrValue = cds.getXmiId(stringArray);
            } else if (stringArray != null && stringArray.size() == 0) {
              attrValue = ""; // https://issues.apache.org/jira/browse/UIMA-5558
            } else {
              stringArrayToElementList(featName, (StringArray) fs.getFeatureValue(fi),
                      childElements);
              attrValue = null;
            }
            break;

          // Lists
          case CasSerializerSupport.TYPE_CLASS_INTLIST:
          case CasSerializerSupport.TYPE_CLASS_FLOATLIST:
          case CasSerializerSupport.TYPE_CLASS_FSLIST:
            TOP startNode = fs.getFeatureValue(fi);
            if (insideListNode || cds.isStaticMultiRef(fi)) {
              // If the feature has multipleReferencesAllowed = true OR if we're already
              // inside another list node (i.e. this is the "tail" feature), serialize as a normal
              // FS.
              // Otherwise, serialize as a multi-valued property.
              // if (cds.isStaticMultRef(feats[i]) ||
              // cds.embeddingNotAllowed.contains(featVal) ||
              // insideListNode) {

              attrValue = cds.getXmiId(startNode);
            } else {
              attrValue = listToString((CommonList) fs.getFeatureValue(fi));
            }
            break;

          // special case for StringLists, which stored values as child elements rather
          // than attributes.
          case CasSerializerSupport.TYPE_CLASS_STRINGLIST:
            if (insideListNode || cds.isStaticMultiRef(fi)) {
              attrValue = cds.getXmiId(fs.getFeatureValue(fi));
            } else {
              // it is not safe to use a space-separated attribute, which would
              // break for strings containing spaces. So use child elements instead.
              StringList stringList = (StringList) fs.getFeatureValue(fi);
              if (stringList == null) {
                attrValue = null;
              } else {
                if (stringList instanceof EmptyStringList) {
                  attrValue = "";
                } else {
                  List<String> listOfStrings = stringList.anyListToStringList(null, cds);
                  // if (array.length > 0 && !arrayAndListFSs.put(featVal, featVal)) {
                  // reportWarning("Warning: multiple references to a ListFS. Reference identity
                  // will not be preserved.");
                  // }
                  for (String string : listOfStrings) {
                    childElements.add(new XmlElementNameAndContents(
                            new XmlElementName("", featName, featName), string));
                  }
                  attrValue = null;
                }
              }
            }
            break;

          default: // Anything that's not a primitive type, array, or list.
            attrValue = cds.getXmiId(fs.getFeatureValue(fi));
            break;

        } // end of switch

        if (attrValue != null && featName != null) {
          addAttribute(attrs, featName, attrValue, "");
        }
      } // end of for loop over all features

      // add out-of-typesystem features, if any
      if (cds.sharedData != null) {
        OotsElementData oed = cds.sharedData.getOutOfTypeSystemFeatures(fs);
        if (oed != null) {
          // attributes
          Iterator<XmlAttribute> attrIter = oed.attributes.iterator();
          while (attrIter.hasNext()) {
            XmlAttribute attr = attrIter.next();
            addAttribute(workAttrs, attr.name, attr.value);
          }
          // child elements
          childElements.addAll(oed.childElements);
        }
      }
      return childElements;
    }