public void processResource()

in maven-utils/src/main/java/org/apache/myfaces/extensions/cdi/maven/BeansXmlTransformer.java [62:137]
63 lines of code
9 McCabe index (conditional complexity)

    public void processResource(String resource, InputStream is, List relocators) throws IOException
    {
        Document r;
        try
        {
            SAXBuilder builder = new SAXBuilder(false);
            builder.setExpandEntities(false);
            if (ignoreDtd)
            {
                builder.setEntityResolver(new EntityResolver()
                {
                    public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException
                    {
                        return new InputSource(new StringReader(""));
                    }
                });
            }
            r = builder.build(is);
        }
        catch (JDOMException e)
        {
            throw new RuntimeException(e);
        }

        if (doc == null)
        {
            doc = r;
        }
        else
        {
            Element root = r.getRootElement();

            for (Iterator itr = root.getAttributes().iterator(); itr.hasNext();)
            {
                Attribute a = (Attribute) itr.next();
                itr.remove();

                Element mergedEl = doc.getRootElement();
                Attribute mergedAtt = mergedEl.getAttribute(a.getName(), a.getNamespace());
                if (mergedAtt == null)
                {
                    mergedEl.setAttribute(a);
                }
            }

            Element docRoot = doc.getRootElement();

            for (Iterator itr = root.getChildren().iterator(); itr.hasNext();)
            {
                Element child = (Element) itr.next();
                itr.remove();

                // check if the given element already exists as a child of the
                // root element and if so, only add the grandchildren to the
                // already existing child and not the whole child again
                Element docChild = docRoot.getChild(child.getName(), child.getNamespace());
                if (docChild != null)
                {
                    // the docRoot already has this child
                    // --> add the grandchildren to the existing element
                    for (Iterator childrenItr = child.getChildren().iterator(); childrenItr.hasNext();)
                    {
                        Element grandchild = (Element) childrenItr.next();
                        childrenItr.remove();

                        docChild.addContent(grandchild);
                    }
                }
                else
                {
                    // the docRoot does not have this child yet
                    docRoot.addContent(child);
                }
            }
        }
    }