import javax.xml.transform.dom.DOMSource
import javax.xml.transform.stream.StreamResult
import org.w3c.dom.Document
import org.w3c.dom.Element
import org.w3c.dom.Node

class XIncludeAwareXmlProvider {

    Document root

    Element parse(File sourceFile) {
        root = parseSourceFile(sourceFile)
        root.documentElement
    }

    Node emptyDoc() {

    @OutputFile
    abstract RegularFileProperty getDestFile();

    @OutputFile
    abstract RegularFileProperty getLinksFile();

    @TaskAction
    def transform() {
        XIncludeAwareXmlProvider provider = new XIncludeAwareXmlProvider()
        provider.parse(sourceFile.get().asFile)
        transformDocument(provider.document)
        provider.write(destFile.get().asFile)
    }

                if (!classFile.isFile()) {
                    throw new RuntimeException("Docbook source file not found for class '$className' in $classDocbookDir.")
                }
                XIncludeAwareXmlProvider provider = new XIncludeAwareXmlProvider()
                def doc = new gradlebuild.docs.dsl.docbook.model.ClassDoc(className, provider.parse(classFile), document, classMetaData, extensionMetaData)
                docBuilder.build(doc)

    @Input
    abstract Property<String> getWebsiteUrl();
    @Input
    abstract Property<String> getVersion();

    @TaskAction
    def transform() {
        XIncludeAwareXmlProvider provider = new XIncludeAwareXmlProvider()
        provider.parse(sourceFile.get().asFile)
        transformImpl(provider.document)
        provider.write(destFile.get().asFile)
    }

    private def transformImpl(Document doc) {