String refDeleted()

in impl/src/main/java/org/apache/tuscany/sdo/util/resource/ChangeSummaryStreamSerializer.java [307:360]
47 lines of code
17 McCabe index (conditional complexity)

    String refDeleted() throws XMLStreamException {
        String id = EcoreUtil.getID((EObject) dataObject);
        if (id != null)
            return id;
        id = path(); // "dataObject" is updated too!!
        DataObject deletedDataObject = dataObject;
        
        /*
         * construct "#//...changeSummary/"
         *  output: pathDeleted
         */
        if (lengthDeleted == -1) {
            String path = pathRootObject == null ? "#//" : pathRootObject;
            if (pathDeleted == null)
                pathDeleted = new StringBuffer(path);
            else
                pathDeleted.replace(0, pathDeleted.length(), path);
            dataObject = rootObject;
            path = path();
            if (path != null)
                pathDeleted.append(path).append('/');
            step(changeSummaryElementNS, changeSummaryElementName, pathDeleted).append('/');
            lengthDeleted = pathDeleted.length();
        } else
            pathDeleted.delete(lengthDeleted, pathDeleted.length());
        
        dataObject = changeSummary.getOldContainer(deletedDataObject);
        Property containmentProperty = dataObject.getContainmentProperty();
        String name = containmentProperty == null ? rootElementName() : xsdHelper.getLocalName(containmentProperty);
        int index = 1;
        for (Iterator iterator = modifiedDataObjects.iterator(); iterator.hasNext();) {
            DataObject modifiedDataObject = (DataObject) iterator.next();
            if (skipDeletedModification(modifiedDataObject))
                continue;
            if (modifiedDataObject == dataObject)
                break;
            Property property = modifiedDataObject.getContainmentProperty();
            if (property == containmentProperty || name.equals(property == null ? rootElementName() : xsdHelper.getLocalName(property)))
                ++index;
        }
        pathDeleted/*.append("*:")*/.append(name).append('[').append(index).append("]/");
        containmentProperty = changeSummary.getOldContainmentProperty(deletedDataObject);
        // assert containmentProperty != null;
        step(containmentProperty, pathDeleted);
        Object f;
        if (containmentProperty.isMany()
                || (f = extendedMetaData.getAffiliation(((EObject) dataObject).eClass(), (EStructuralFeature) containmentProperty)) != null
                && f != containmentProperty)
            pathDeleted.append('[').append(
                    ((List) changeSummary.getOldValue(dataObject, containmentProperty).getValue()).indexOf(deletedDataObject) + 1).append(']');
        if (id != null)
            pathDeleted.append('/').append(id);
        return pathDeleted.toString();
    }