protected DexClassData computeNext()

in tools/device_broker/java/com/google/android/apps/common/testing/suite/dex/DexDumpIterator.java [121:261]
139 lines of code
25 McCabe index (conditional complexity)

  protected DexClassData computeNext() {
    DexClassData.Builder currentClass = null;
    MethodData.MethodBuilder currentMethod = null;
    Deque<AnnotationContext> annotationStack = Lists.newLinkedList();
    boolean inConstructor = false;

    while (streamHasNext()) {
      String name = null;
      switch (streamNext()) {
        case END_DOCUMENT:
          return endOfData();
        case START_ELEMENT:
          currentLocation = xmlStreamReader.getLocation();
          name = xmlStreamReader.getLocalName();
          if ("package".equals(name)) {
            currentPackage = handleNewPackageNode();
          } else if ("class".equals(name)) {
            currentClass = handleNewClassNode(currentClass);
          } else if ("method".equals(name)) {
            currentMethod = handleNewMethodNode(currentMethod);
          } else if ("parameter".equals(name)) {
            currentMethod = handleParameterNode(currentMethod, inConstructor);
          } else if ("constructor".equals(name)) {
            checkState(!inConstructor, "Already in a constructor node. %s",
                currentLocation);
            inConstructor = true;
          } else if ("annotation".equals(name)) {
            AnnotationContext context = new AnnotationContext();
            annotationStack.push(context);
            context.currentAnnotation = handleNewAnnotationNode();
          } else if ("anno_field".equals(name)) {
            checkState(!annotationStack.isEmpty(), "Not in annotation! %s",
                currentLocation);
            AnnotationContext context = annotationStack.pop();
            context.currentAnnotationValue = handleNewAnnotationFieldNode(
                context.currentAnnotationValue);
            annotationStack.push(context);
          } else if ("anno_field_value".equals(name)) {
            checkState(!annotationStack.isEmpty(), "Not in annotation! %s",
                currentLocation);
            AnnotationContext context = annotationStack.pop();
            context.currentAnnotationValue = handleNewAnnotationFieldValueNode(
                context.currentAnnotationValue,
                context.currentArrayStatus);
            annotationStack.push(context);
          } else if ("anno_field_array".equals(name)) {
            checkState(!annotationStack.isEmpty(), "Not in annotation! %s",
                currentLocation);
            AnnotationContext context = annotationStack.pop();
            context.currentArrayStatus = handleNewAnnotationFieldArrayNode(
                context.currentAnnotationValue,
                context.currentArrayStatus);
            annotationStack.push(context);
          } else if ("array_element".equals(name)) {
            checkState(!annotationStack.isEmpty(), "Not in annotation! %s",
                currentLocation);
            AnnotationContext context = annotationStack.pop();
            context.currentArrayStatus = handleNewAnnotationFieldArrayElementNode(
                context.currentAnnotationValue,
                context.currentArrayStatus);
            annotationStack.push(context);
          }
          break;
        case END_ELEMENT:
          currentLocation = xmlStreamReader.getLocation();
          name = xmlStreamReader.getLocalName();
          if ("package".equals(name)) {
            currentPackage = handleEndPackageNode();
          } else if ("class".equals(name)) {
            return handleEndClassNode(currentClass, currentMethod, annotationStack);
          } else if ("method".equals(name)) {
            currentMethod = handleEndMethodNode(currentClass, currentMethod);
          } else if ("constructor".equals(name)) {
            checkState(inConstructor, "Not in constructor. %s", currentLocation);
            inConstructor = false;
          } else if ("annotation".equals(name)) {
            checkState(!annotationStack.isEmpty(), "Not in annotation! %s",
                currentLocation);
            AnnotationContext context = annotationStack.pop();
            checkState(null == context.currentAnnotationValue, "Never closed value node %s",
                currentLocation);
            checkState(null == context.currentArrayStatus, "Never closed array node %s",
                currentLocation);

            if (annotationStack.isEmpty()) {
              handleEndAnnotationNode(
                  context.currentAnnotation,
                  currentClass,
                  currentMethod,
                  inConstructor);
            } else {
              AnnotationContext parentContext = annotationStack.pop();
              AnnotationPb nestedAnnotation =
                  handleEndNestedAnnotation(
                      context.currentAnnotation,
                      parentContext.currentAnnotation,
                      parentContext.currentAnnotationValue);
              parentContext.nestedAnnotations.add(nestedAnnotation);
              annotationStack.push(parentContext);
            }
          } else if ("anno_field".equals(name)) {
            checkState(!annotationStack.isEmpty(), "Not in annotation! %s",
                currentLocation);
            AnnotationContext context = annotationStack.pop();
            context.currentAnnotationValue = handleEndAnnotationFieldNode(
                context.currentAnnotation,
                context.currentAnnotationValue,
                context.nestedAnnotations);
            context.nestedAnnotations.clear();
            annotationStack.push(context);
          } else if ("anno_field_value".equals(name)) {
            checkState(!annotationStack.isEmpty(), "Not in annotation! %s",
                currentLocation);
            AnnotationContext context = annotationStack.pop();
            checkState(null != context.currentAnnotationValue, "anno value not set. %s",
                currentLocation);
            annotationStack.push(context);
          } else if ("anno_field_array".equals(name)) {
            checkState(!annotationStack.isEmpty(), "Not in annotation! %s",
                currentLocation);
            AnnotationContext context = annotationStack.pop();
            context.currentArrayStatus = handleEndAnnotationFieldArrayNode(
                context.currentAnnotationValue,
                context.currentArrayStatus);
            annotationStack.push(context);
          } else if ("array_element".equals(name)) {
            checkState(!annotationStack.isEmpty(), "Not in annotation! %s",
                currentLocation);
            AnnotationContext context = annotationStack.pop();
            context.currentArrayStatus = handleEndAnnotationFieldArrayElementNode(
                context.currentAnnotationValue,
                context.currentArrayStatus);
            annotationStack.push(context);
          }
          break;
        default: { /* don't care */ }
      }
      currentLocation = null;
    }
    throw new IllegalStateException("Should never happen. Document end not emitted?");
  }