private Object fromXml()

in src/main/java/com/vmware/vim25/ws/XmlGenDom.java [278:395]
108 lines of code
21 McCabe index (conditional complexity)

    private Object fromXml(Class<?> clazz, Element node) throws Exception {
        Object obj = clazz.newInstance();

        List<Element> subNodes = node.elements();
        int sizeOfSubNodes = subNodes.size();

        for (int i = 0; i < sizeOfSubNodes; i++) {
            Element e = subNodes.get(i);
            String tagName = e.getName();

            Field field = null;
            if (TypeUtil.isPrimitiveType(tagName)) {
                field = clazz.getField("_" + tagName);
            }
            else {
                field = clazz.getField(tagName);
            }

            Class<?> fType = field.getType();
            boolean isFieldArray = fType.isArray();
            //if field is an array, adjust it to the component type
            if (isFieldArray) {
                fType = fType.getComponentType();
            }

            Class fRealType = fType;
            String xsiType = e.attributeValue(SoapConsts.XSI_TYPE);
            if (xsiType != null && (!xsiType.startsWith("xsd:"))) {
                fRealType = TypeUtil.getVimClass(xsiType);
            }

            if (fRealType == ManagedObjectReference.class) { // MOR
                if (isFieldArray) {
                    int sizeOfFieldArray = getNumberOfSameTags(subNodes, sizeOfSubNodes, i, tagName);
                    ManagedObjectReference[] mos = new ManagedObjectReference[sizeOfFieldArray];
                    for (int j = 0; j < sizeOfFieldArray; j++) {
                        Element elem = subNodes.get(j + i);
                        mos[j] = MorUtil.createMOR(elem.attributeValue("type"), elem.getText());
                    }
                    field.set(obj, mos);
                    i = i + sizeOfFieldArray - 1;
                }
                else {
                    field.set(obj, MorUtil.createMOR(e.attributeValue("type"), e.getText()));
                }
            }
            else if (fRealType.isEnum()) { // Enum type
                if (!isFieldArray) {
                    Object fo = Enum.valueOf(fRealType, e.getText());
                    field.set(obj, fo);
                }
                else {
                    int sizeOfFieldArray = getNumberOfSameTags(subNodes, sizeOfSubNodes, i, tagName);
                    Object ao = Array.newInstance(fRealType, sizeOfFieldArray);
                    for (int j = 0; j < sizeOfFieldArray; j++) {
                        String enumStr = ((Element) subNodes.get(j + i)).getText();
                        Array.set(ao, j, Enum.valueOf(fRealType, enumStr));
                    }
                    field.set(obj, ao);
                    i = i + sizeOfFieldArray - 1;
                }
            }
            else if (TypeUtil.isBasicType(fRealType)) { // basic data types
                if (isFieldArray) {
                    int sizeOfFieldArray = getNumberOfSameTags(subNodes, sizeOfSubNodes, i, tagName);

                    List<String> values = new ArrayList<String>();
                    for (int j = 0; j < sizeOfFieldArray; j++) {
                        values.add(subNodes.get(j + i).getText());
                    }

                    String fTrueType;
                    if (xsiType != null) {
                        fTrueType = xsiType.substring("xsd:".length()) + "[]";
                    }
                    else {
                        fTrueType = fRealType.getSimpleName();
                        if (!fTrueType.endsWith("[]")) {
                            fTrueType = fTrueType + "[]";
                        }
                    }
                    ReflectUtil.setObjectArrayField(obj, field, fTrueType, values);
                    i = i + sizeOfFieldArray - 1;
                }
                else {
                    if (xsiType != null) {
                        xsiType = xsiType.substring("xsd:".length());
                        ReflectUtil.setObjectField(obj, field, xsiType, e.getText());
                    }
                    else {
                        ReflectUtil.setObjectField(obj, field, fRealType.getSimpleName(), e.getText());
                    }
                }
            }
            else { //VIM type
                if (isFieldArray) {
                    int sizeOfFieldArray = getNumberOfSameTags(subNodes, sizeOfSubNodes, i, tagName);
                    // arrayTypeName = arrayTypeName.substring(0, arrayTypeName.length()-2);
                    Object ao = Array.newInstance(fType, sizeOfFieldArray);
                    String fGenericType = fType.getSimpleName();
                    for (int j = 0; j < sizeOfFieldArray; j++) {
                        Element elem = subNodes.get(j + i);
                        String elemXsiType = elem.attributeValue(SoapConsts.XSI_TYPE);
                        String elemType = elemXsiType != null ? elemXsiType : fGenericType;
                        Object o = fromXml(TypeUtil.getVimClass(elemType), elem);
                        Array.set(ao, j, o);
                    }
                    field.set(obj, ao);
                    i = i + sizeOfFieldArray - 1;
                }
                else { // single VIM
                    Object o = fromXml(fRealType, e);
                    field.set(obj, o);
                }
            }
        }
        return obj;
    }