src/com/atlassian/uwc/exporters/liferay/digester/LrWikiTree.java - universal-wiki-converter - Git at Google

 package com.atlassian.uwc.exporters.liferay.digester;

 import java.io.BufferedWriter;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
 import java.nio.channels.FileChannel;
 import java.util.ArrayList;
 import java.util.Collections;

 import org.apache.log4j.Logger;

 /**
  * Liferay (LR) wiki page processor.
  *
  * @author Developer
  *
  */
 public class LrWikiTree {
 	public static final String FRONTPAGE = "FrontPage";

 	private ArrayList<WikiPage> pageList = new ArrayList<WikiPage>();
 	private static Logger _log = Logger.getLogger(LrWikiTree.class);

 	/**
 	 * Adds pages to the internal page list. We only keep the current page and discard historical pages.
 	 *
 	 * @param page
 	 */
 	public void addPage(WikiPage page) {
 		// if we have an existing page check the version and discard ancient pages
 		WikiPage wp = findPage(page.get__title());

 		if (wp != null) {
 			Double version = wp.getVersion();

 			// only keep latest version of the page
 			if (page.getVersion() > version) {
 				pageList.remove(wp);
 				pageList.add(page);
 			}
 		} else {
 			// no previous version so add the page
 			// _log.debug("Adding Page: " + page.get__title());
 			pageList.add(page);
 		}
 	}

 	/**
 	 * Finds pages that don't have parents and are not named Frontpage.
 	 *
 	 * @return
 	 */
 	public ArrayList<WikiPage> findOrphans() {
 		ArrayList<WikiPage> retval = new ArrayList<WikiPage>();

 		for (WikiPage page : pageList) {
 			String parentTitle = page.get__parentTitle();

 			if (parentTitle.isEmpty() && !page.get__title().equals(FRONTPAGE)) {
 				retval.add(page);
 			} else if (!page.get__redirectTitle().isEmpty()) {
 				retval.add(page);
 			}
 		}

 		return retval;
 	}

 	/**
 	 * Creates a page in the home directory that will hold all the orphans. Also creates the directory structure on disk
 	 * for the pages.
 	 *
 	 * @param outputDir
 	 * @throws IOException
 	 */
 	public void createUncategorizedChildPage(String outputDir, String orphanPage) throws IOException {
 		String uncategorizedPage = "== Overview ==\r\n\r\nPages that don't have parents are placed here after transfering the Wiki into Confluence.";

 		File dir = new File(outputDir);
 		dir.mkdirs();

 		File unCat = new File(outputDir + File.separator + orphanPage);

 		write(unCat, uncategorizedPage);
 	}

 	/**
 	 * Copies the page content of the files in the list to the output directory.
 	 *
 	 * @param list
 	 * @param outputDir
 	 * @throws IOException
 	 */
 	public void saveOrphanList(ArrayList<WikiPage> list, String outputDir, boolean original) throws IOException {

 		for (WikiPage page : list) {
 			page.setDepth(0); // page is an orphan so reset it's place to the root in the hierarchy
 			recursePages(page);

 			page.setPath("");
 			page.setOutDir(new File(outputDir));

 			saveOrphanRecursive(page, original);
 		}
 	}

 	/**
 	 * Writes the content of the orphaned pages onto the Uncategorized directory. Child pages are written maintaining
 	 * the hierarchy in the file system.
 	 *
 	 * @param frontPage
 	 * @param copyOriginal
 	 *            true to copy the original xml file to the destination
 	 * @throws IOException
 	 */
 	public void saveOrphanRecursive(WikiPage frontPage, boolean copyOriginal) throws IOException {
 		String padding = "";
 		for (int i = 0; i < frontPage.getDepth(); i++) {
 			padding += "    ";
 		}

 		_log.info(padding + frontPage.get__title());

 		File dir = new File(frontPage.getOutDir() + File.separator + frontPage.getPath());
 		dir.mkdirs();

 		// _log.info("++" + dir.getCanonicalPath());

 		// _log.debug("Create Dir: " + dir);
 		if (copyOriginal) {
 			copyFile(frontPage.getFile(), new File(dir, frontPage.get__title() + ".xml"));
 		} else {
 			File filePage = new File(dir, frontPage.get__title());
 			write(filePage, frontPage.get__content());
 		}

 		if (!frontPage.getAttachments().isEmpty()) {
 			_log.info(padding + "  " + frontPage.getAttachments().size() + "-Attachments " + frontPage.getAttachments());
 		}

 		for (WikiPage page : frontPage.getChildren()) {
 			page.setPath(frontPage.getPath());
 			page.setOutDir(frontPage.getOutDir());

 			saveRecursive(page, copyOriginal);
 		}
 	}

 	/**
 	 * Removes the parent child relationship for the given pages.
 	 *
 	 * @param pages
 	 */
 	public void unlinkChildren(ArrayList<WikiPage> pages) {
 		for (WikiPage page : pages) {
 			_log.debug("Removing page '" + page.get__title() + "'");
 			if (!pageList.remove(page)) {
 				_log.error("Can't remove: " + page.get__title());
 			}

 			// We also need to remove the child from the parent child relationship
 			WikiPage parent = findPage(page.get__parentTitle());
 			if (parent != null) {
 				if (!parent.removeChild(page)) {
 					_log.error("Can't remove child from parent: " + page.get__parentTitle());
 				}
 			}
 		}
 	}

 	public WikiPage findPage(String title) {
 		WikiPage retval = null;

 		for (WikiPage page : pageList) {
 			if (page.get__title().equals(title)) {
 				retval = page;
 				break;
 			}
 		}

 		return retval;
 	}

 	/**
 	 * Creates a parent child relationship with the internal pages.
 	 *
 	 * @param sort
 	 */
 	public void linkChildren(boolean sort) {

 		if (sort) {
 			Collections.sort(pageList);
 		}

 		for (WikiPage page : pageList) {
 			String parentTitle = page.get__parentTitle();

 			if (!parentTitle.isEmpty()) {
 				WikiPage parent = findPage(parentTitle);

 				if (parent != null) {
 					parent.addChildPage(page);

 				} else {
 					_log.debug("!!!Error finding Parent!!! " + parentTitle);
 				}
 			}
 		}
 	}

 	/**
 	 * copies all the attachments for all the pages into the given directory.
 	 *
 	 * @param larDirectory
 	 * @param destDirName
 	 * @throws IOException
 	 */
 	public void saveAttachments(String larDirectory, String destDirName) throws IOException {
 		File destDir = new File(destDirName);
 		destDir.mkdirs();
 		_log.info("Copying attachments to: " + destDirName);

 		for (WikiPage page : pageList) {
 			ArrayList<Attachment> files = page.getAttachments();

 			for (Attachment attachment : files) {
 				String name = attachment.getBinPath();

 				copyFile(new File(larDirectory, name), new File(destDir, attachment.getName()));
 			}
 		}
 	}

 	/**
 	 * Attachments in the LR export are indistinguishable from links. The function looks for [[xxx]], where xxx is an
 	 * attachment and changes the download link to [^xxx]. This makes the UWC
 	 * com.atlassian.uwc.hierarchies.FilepathHierarchy class upload the attachment.
 	 *
 	 * Image conversion {{image.jpg}} -> !image.jpg! is also handled here for the same reason as above.
 	 *
 	 */
 	public void reformatAttachments() {

 		for (WikiPage page : pageList) {
 			ArrayList<Attachment> files = page.getAttachments();

 			for (Attachment attachment : files) {
 				String name = attachment.getName();
 				String content = page.get__content();

 				if (content.indexOf(name) > 0) {
 					String replace = convertAttachLink(content, name);

 					replace = convertImageLink(replace, name);

 					page.set__content(replace);
 				}
 			}
 		}
 	}

 	/**
 	 * [[link]] converts to [^link] and [[link|link name]] converts to [^link]
 	 *
 	 * Linking to an attachment in LR stopped working after the SP2 upgrade but we still use this mechanism to mark
 	 * attachments for inclusion in Confluence.
 	 *
 	 * @param content
 	 * @param name
 	 * @return
 	 */
 	public String convertAttachLink(String content, String name) {
 		String retval = content;

 		// [[attach] -> [^attach]
 		retval = content.replaceAll("\\[\\[" + name + "\\]\\]", "[^" + name + "]");

 		// [[attach|attach name]] -> [^attach]
 		// // "\\[\\[" + // opening left brackets
 		// // name is captured by replaceAll
 		// // "\\|" + // until a pipe
 		// // "[^\\]|]+" + // anything but a right bracket or | until
 		// // "\\]\\]"; // right brackets
 		retval = retval.replaceAll("\\[\\[" + name + "\\|[^\\]|]*]]", "[^" + name + "]");

 		return retval;
 	}

 	/**
 	 * {{image.jpg}} is display image in LR - in Confluence its !image.jpg! We do this here as we can find out if it's
 	 * an image by looking at the attachments.
 	 *
 	 * @param content
 	 * @param name
 	 * @return
 	 */
 	public String convertImageLink(String content, String name) {
 		return content.replaceFirst("\\{\\{" + name + "\\}\\}", "!" + name + "!");
 	}

 	/**
 	 * Html formatted pages need to be surrounded with {html}
 	 *
 	 * @param noHtml
 	 *            if true encloses the html fragment inside a code block this disables HTML rendering in Confluence
 	 */
 	public void reformatHtmlPages(boolean noHtml) {

 		for (WikiPage page : pageList) {
 			String format = page.get__format();
 			if (format.equalsIgnoreCase("html")) {
 				if (noHtml) {
 					_log.debug("Disabling html formatting for page: " + page.get__title());
 					String content = page.get__content();
 					page.set__content("{code} " + content + "{code}");
 				} else {
 					_log.debug("Adding html formatting for page: " + page.get__title());
 					String content = page.get__content();
 					page.set__content("{html} " + content + "{html}");
 				}
 			} else if (format.equalsIgnoreCase("creole")) {
 				// This is the stuff we are expecting
 			} else {
 				_log.warn("Unsupported format detected: " + format);
 			}
 		}
 	}

 	/**
 	 * Sets the depth value for the pages in the hierarchy.
 	 *
 	 * @param frontPage
 	 */
 	public void recursePages(WikiPage frontPage) {

 		for (WikiPage page : frontPage.getChildren()) {

 			// if(page.get__title().contains("Admin")){
 			// _log.debug("!break " );
 			// }

 			page.setDepth(frontPage.getDepth() + 1);
 			recursePages(page);
 		}
 	}

 	/**
 	 * Prints out the current tree structure.
 	 *
 	 * @param frontPage
 	 */
 	public void showRecursive(WikiPage frontPage) {
 		String padding = "";
 		for (int i = 0; i < frontPage.getDepth(); i++) {
 			padding += "    ";
 		}

 		_log.info(padding + frontPage.get__title());

 		if (!frontPage.getAttachments().isEmpty()) {
 			_log.info(padding + "  " + frontPage.getAttachments().size() + "-Attachments " + frontPage.getAttachments());
 		}

 		for (WikiPage page : frontPage.getChildren()) {
 			showRecursive(page);
 		}
 	}

 	/**
 	 * Copy the current pagelist original files into the given directory.
 	 *
 	 * @param dir
 	 * @throws IOException
 	 */
 	public void copyTo(String dir) throws IOException {
 		File destDir = new File(dir);
 		destDir.mkdir();
 		_log.info("Copying " + pageList.size() + " current pages to: " + dir);

 		for (WikiPage page : pageList) {
 			_log.info("XML Path: " + page.getFile().getAbsolutePath());
 			copyFile(page.getFile(), new File(destDir, page.get__title() + ".xml"));
 		}
 	}

 	/**
 	 * Copy the source file to the destination overwriting the file if it exists.
 	 *
 	 * @param sourceFile
 	 * @param destFile
 	 * @throws IOException
 	 */
 	public static void copyFile(File sourceFile, File destFile) throws IOException {
 		copyFile(sourceFile, destFile, true);
 	}

 	/**
 	 * Copy the source file to the destination.
 	 *
 	 * @param sourceFile
 	 * @param destFile
 	 * @param overwrite
 	 *            overwrite the file if true.
 	 * @throws IOException
 	 */
 	public static void copyFile(File sourceFile, File destFile, boolean overwrite) throws IOException {
 		if (!destFile.exists()) {
 			destFile.createNewFile();
 		} else {
 			if (!overwrite) {
 				throw new IOException("Destination file exists! " + destFile);
 			}

 			_log.trace("Destination file exists: " + destFile);
 		}

 		FileChannel source = null;
 		FileChannel destination = null;

 		try {
 			source = new FileInputStream(sourceFile).getChannel();
 			destination = new FileOutputStream(destFile).getChannel();
 			destination.transferFrom(source, 0, source.size());
 		} finally {
 			if (source != null) {
 				source.close();
 			}
 			if (destination != null) {
 				destination.close();
 			}
 		}
 	}

 	/**
 	 * Writes the content of the pages of the Wiki onto the directory, maintaining the hierarchy structure in the file
 	 * system.
 	 *
 	 * @param frontPage
 	 * @param copyOriginal
 	 *            true to copy the original xml file to the destination
 	 * @throws IOException
 	 */
 	public void saveRecursive(WikiPage frontPage, boolean copyOriginal) throws IOException {
 		String padding = "";
 		for (int i = 0; i < frontPage.getDepth(); i++) {
 			padding += "    ";
 		}

 		_log.info(padding + frontPage.get__title());

 		File dir = new File(frontPage.getOutDir() + File.separator + frontPage.getPath(), frontPage.get__title());
 		dir.mkdirs();

 		// _log.debug("Create Dir: " + dir);
 		if (copyOriginal) {
 			copyFile(frontPage.getFile(), new File(dir, frontPage.get__title() + ".xml"));
 		} else {
 			File filePage = new File(dir, frontPage.get__title());
 			write(filePage, frontPage.get__content());
 		}

 		if (!frontPage.getAttachments().isEmpty()) {
 			_log.info(padding + "  " + frontPage.getAttachments().size() + "-Attachments " + frontPage.getAttachments());
 		}

 		for (WikiPage page : frontPage.getChildren()) {
 			page.setPath(frontPage.getPath() + File.separator + frontPage.get__title());
 			page.setOutDir(frontPage.getOutDir());

 			saveRecursive(page, copyOriginal);
 		}
 	}

 	protected void write(File file, String content) {
 		try {
 			FileOutputStream fw = new FileOutputStream(file);
 			OutputStreamWriter outstream = new OutputStreamWriter(fw, "utf-8");
 			BufferedWriter out = new BufferedWriter(outstream);
 			out.write(content);
 			out.close();
 		} catch (IOException e) {
 			_log.error("Problem writing to file: " + file.getAbsolutePath());
 			e.printStackTrace();
 		}
 	}

 	public void showPages() {
 		_log.debug("---------Pages-----------");
 		for (WikiPage page : pageList) {
 			_log.info(page);

 			if (!page.showChildren().isEmpty()) {
 				_log.info(page.showChildren());
 			}
 		}
 	}

 	public void showPagesNoParentTitle() {
 		_log.info("---------showPagesNoParentTitle-----------");
 		for (WikiPage page : pageList) {

 			if (page.get__parentTitle().isEmpty()) {
 				_log.debug(page);
 			}
 		}
 	}

 }
	package com.atlassian.uwc.exporters.liferay.digester;

	import java.io.BufferedWriter;
	import java.io.File;
	import java.io.FileInputStream;
	import java.io.FileOutputStream;
	import java.io.IOException;
	import java.io.OutputStreamWriter;
	import java.nio.channels.FileChannel;
	import java.util.ArrayList;
	import java.util.Collections;

	import org.apache.log4j.Logger;

	/**
	* Liferay (LR) wiki page processor.
	*
	* @author Developer
	*
	*/
	public class LrWikiTree {
	public static final String FRONTPAGE = "FrontPage";

	private ArrayList<WikiPage> pageList = new ArrayList<WikiPage>();
	private static Logger _log = Logger.getLogger(LrWikiTree.class);

	/**
	* Adds pages to the internal page list. We only keep the current page and discard historical pages.
	*
	* @param page
	*/
	public void addPage(WikiPage page) {
	// if we have an existing page check the version and discard ancient pages
	WikiPage wp = findPage(page.get__title());

	if (wp != null) {
	Double version = wp.getVersion();

	// only keep latest version of the page
	if (page.getVersion() > version) {
	pageList.remove(wp);
	pageList.add(page);
	}
	} else {
	// no previous version so add the page
	// _log.debug("Adding Page: " + page.get__title());
	pageList.add(page);
	}
	}

	/**
	* Finds pages that don't have parents and are not named Frontpage.
	*
	* @return
	*/
	public ArrayList<WikiPage> findOrphans() {
	ArrayList<WikiPage> retval = new ArrayList<WikiPage>();

	for (WikiPage page : pageList) {
	String parentTitle = page.get__parentTitle();

	if (parentTitle.isEmpty() && !page.get__title().equals(FRONTPAGE)) {
	retval.add(page);
	} else if (!page.get__redirectTitle().isEmpty()) {
	retval.add(page);
	}
	}

	return retval;
	}

	/**
	* Creates a page in the home directory that will hold all the orphans. Also creates the directory structure on disk
	* for the pages.
	*
	* @param outputDir
	* @throws IOException
	*/
	public void createUncategorizedChildPage(String outputDir, String orphanPage) throws IOException {
	String uncategorizedPage = "== Overview ==\r\n\r\nPages that don't have parents are placed here after transfering the Wiki into Confluence.";

	File dir = new File(outputDir);
	dir.mkdirs();

	File unCat = new File(outputDir + File.separator + orphanPage);

	write(unCat, uncategorizedPage);
	}

	/**
	* Copies the page content of the files in the list to the output directory.
	*
	* @param list
	* @param outputDir
	* @throws IOException
	*/
	public void saveOrphanList(ArrayList<WikiPage> list, String outputDir, boolean original) throws IOException {

	for (WikiPage page : list) {
	page.setDepth(0); // page is an orphan so reset it's place to the root in the hierarchy
	recursePages(page);

	page.setPath("");
	page.setOutDir(new File(outputDir));

	saveOrphanRecursive(page, original);
	}
	}

	/**
	* Writes the content of the orphaned pages onto the Uncategorized directory. Child pages are written maintaining
	* the hierarchy in the file system.
	*
	* @param frontPage
	* @param copyOriginal
	* true to copy the original xml file to the destination
	* @throws IOException
	*/
	public void saveOrphanRecursive(WikiPage frontPage, boolean copyOriginal) throws IOException {
	String padding = "";
	for (int i = 0; i < frontPage.getDepth(); i++) {
	padding += " ";
	}

	_log.info(padding + frontPage.get__title());

	File dir = new File(frontPage.getOutDir() + File.separator + frontPage.getPath());
	dir.mkdirs();

	// _log.info("++" + dir.getCanonicalPath());

	// _log.debug("Create Dir: " + dir);
	if (copyOriginal) {
	copyFile(frontPage.getFile(), new File(dir, frontPage.get__title() + ".xml"));
	} else {
	File filePage = new File(dir, frontPage.get__title());
	write(filePage, frontPage.get__content());
	}

	if (!frontPage.getAttachments().isEmpty()) {
	_log.info(padding + " " + frontPage.getAttachments().size() + "-Attachments " + frontPage.getAttachments());
	}

	for (WikiPage page : frontPage.getChildren()) {
	page.setPath(frontPage.getPath());
	page.setOutDir(frontPage.getOutDir());

	saveRecursive(page, copyOriginal);
	}
	}

	/**
	* Removes the parent child relationship for the given pages.
	*
	* @param pages
	*/
	public void unlinkChildren(ArrayList<WikiPage> pages) {
	for (WikiPage page : pages) {
	_log.debug("Removing page '" + page.get__title() + "'");
	if (!pageList.remove(page)) {
	_log.error("Can't remove: " + page.get__title());
	}

	// We also need to remove the child from the parent child relationship
	WikiPage parent = findPage(page.get__parentTitle());
	if (parent != null) {
	if (!parent.removeChild(page)) {
	_log.error("Can't remove child from parent: " + page.get__parentTitle());
	}
	}
	}
	}

	public WikiPage findPage(String title) {
	WikiPage retval = null;

	for (WikiPage page : pageList) {
	if (page.get__title().equals(title)) {
	retval = page;
	break;
	}
	}

	return retval;
	}

	/**
	* Creates a parent child relationship with the internal pages.
	*
	* @param sort
	*/
	public void linkChildren(boolean sort) {

	if (sort) {
	Collections.sort(pageList);
	}

	for (WikiPage page : pageList) {
	String parentTitle = page.get__parentTitle();

	if (!parentTitle.isEmpty()) {
	WikiPage parent = findPage(parentTitle);

	if (parent != null) {
	parent.addChildPage(page);

	} else {
	_log.debug("!!!Error finding Parent!!! " + parentTitle);
	}
	}
	}
	}

	/**
	* copies all the attachments for all the pages into the given directory.
	*
	* @param larDirectory
	* @param destDirName
	* @throws IOException
	*/
	public void saveAttachments(String larDirectory, String destDirName) throws IOException {
	File destDir = new File(destDirName);
	destDir.mkdirs();
	_log.info("Copying attachments to: " + destDirName);

	for (WikiPage page : pageList) {
	ArrayList<Attachment> files = page.getAttachments();

	for (Attachment attachment : files) {
	String name = attachment.getBinPath();

	copyFile(new File(larDirectory, name), new File(destDir, attachment.getName()));
	}
	}
	}

	/**
	* Attachments in the LR export are indistinguishable from links. The function looks for [[xxx]], where xxx is an
	* attachment and changes the download link to [^xxx]. This makes the UWC
	* com.atlassian.uwc.hierarchies.FilepathHierarchy class upload the attachment.
	*
	* Image conversion {{image.jpg}} -> !image.jpg! is also handled here for the same reason as above.
	*
	*/
	public void reformatAttachments() {

	for (WikiPage page : pageList) {
	ArrayList<Attachment> files = page.getAttachments();

	for (Attachment attachment : files) {
	String name = attachment.getName();
	String content = page.get__content();

	if (content.indexOf(name) > 0) {
	String replace = convertAttachLink(content, name);

	replace = convertImageLink(replace, name);

	page.set__content(replace);
	}
	}
	}
	}

	/**
	* [[link]] converts to [^link] and [[link\|link name]] converts to [^link]
	*
	* Linking to an attachment in LR stopped working after the SP2 upgrade but we still use this mechanism to mark
	* attachments for inclusion in Confluence.
	*
	* @param content
	* @param name
	* @return
	*/
	public String convertAttachLink(String content, String name) {
	String retval = content;

	// [[attach] -> [^attach]
	retval = content.replaceAll("\\[\\[" + name + "\\]\\]", "[^" + name + "]");

	// [[attach\|attach name]] -> [^attach]
	// // "\\[\\[" + // opening left brackets
	// // name is captured by replaceAll
	// // "\\\|" + // until a pipe
	// // "[^\\]\|]+" + // anything but a right bracket or \| until
	// // "\\]\\]"; // right brackets
	retval = retval.replaceAll("\\[\\[" + name + "\\\|[^\\]\|]*]]", "[^" + name + "]");

	return retval;
	}

	/**
	* {{image.jpg}} is display image in LR - in Confluence its !image.jpg! We do this here as we can find out if it's
	* an image by looking at the attachments.
	*
	* @param content
	* @param name
	* @return
	*/
	public String convertImageLink(String content, String name) {
	return content.replaceFirst("\\{\\{" + name + "\\}\\}", "!" + name + "!");
	}

	/**
	* Html formatted pages need to be surrounded with {html}
	*
	* @param noHtml
	* if true encloses the html fragment inside a code block this disables HTML rendering in Confluence
	*/
	public void reformatHtmlPages(boolean noHtml) {

	for (WikiPage page : pageList) {
	String format = page.get__format();
	if (format.equalsIgnoreCase("html")) {
	if (noHtml) {
	_log.debug("Disabling html formatting for page: " + page.get__title());
	String content = page.get__content();
	page.set__content("{code} " + content + "{code}");
	} else {
	_log.debug("Adding html formatting for page: " + page.get__title());
	String content = page.get__content();
	page.set__content("{html} " + content + "{html}");
	}
	} else if (format.equalsIgnoreCase("creole")) {
	// This is the stuff we are expecting
	} else {
	_log.warn("Unsupported format detected: " + format);
	}
	}
	}

	/**
	* Sets the depth value for the pages in the hierarchy.
	*
	* @param frontPage
	*/
	public void recursePages(WikiPage frontPage) {

	for (WikiPage page : frontPage.getChildren()) {

	// if(page.get__title().contains("Admin")){
	// _log.debug("!break " );
	// }

	page.setDepth(frontPage.getDepth() + 1);
	recursePages(page);
	}
	}

	/**
	* Prints out the current tree structure.
	*
	* @param frontPage
	*/
	public void showRecursive(WikiPage frontPage) {
	String padding = "";
	for (int i = 0; i < frontPage.getDepth(); i++) {
	padding += " ";
	}

	_log.info(padding + frontPage.get__title());

	if (!frontPage.getAttachments().isEmpty()) {
	_log.info(padding + " " + frontPage.getAttachments().size() + "-Attachments " + frontPage.getAttachments());
	}

	for (WikiPage page : frontPage.getChildren()) {
	showRecursive(page);
	}
	}

	/**
	* Copy the current pagelist original files into the given directory.
	*
	* @param dir
	* @throws IOException
	*/
	public void copyTo(String dir) throws IOException {
	File destDir = new File(dir);
	destDir.mkdir();
	_log.info("Copying " + pageList.size() + " current pages to: " + dir);

	for (WikiPage page : pageList) {
	_log.info("XML Path: " + page.getFile().getAbsolutePath());
	copyFile(page.getFile(), new File(destDir, page.get__title() + ".xml"));
	}
	}

	/**
	* Copy the source file to the destination overwriting the file if it exists.
	*
	* @param sourceFile
	* @param destFile
	* @throws IOException
	*/
	public static void copyFile(File sourceFile, File destFile) throws IOException {
	copyFile(sourceFile, destFile, true);
	}

	/**
	* Copy the source file to the destination.
	*
	* @param sourceFile
	* @param destFile
	* @param overwrite
	* overwrite the file if true.
	* @throws IOException
	*/
	public static void copyFile(File sourceFile, File destFile, boolean overwrite) throws IOException {
	if (!destFile.exists()) {
	destFile.createNewFile();
	} else {
	if (!overwrite) {
	throw new IOException("Destination file exists! " + destFile);
	}

	_log.trace("Destination file exists: " + destFile);
	}

	FileChannel source = null;
	FileChannel destination = null;

	try {
	source = new FileInputStream(sourceFile).getChannel();
	destination = new FileOutputStream(destFile).getChannel();
	destination.transferFrom(source, 0, source.size());
	} finally {
	if (source != null) {
	source.close();
	}
	if (destination != null) {
	destination.close();
	}
	}
	}

	/**
	* Writes the content of the pages of the Wiki onto the directory, maintaining the hierarchy structure in the file
	* system.
	*
	* @param frontPage
	* @param copyOriginal
	* true to copy the original xml file to the destination
	* @throws IOException
	*/
	public void saveRecursive(WikiPage frontPage, boolean copyOriginal) throws IOException {
	String padding = "";
	for (int i = 0; i < frontPage.getDepth(); i++) {
	padding += " ";
	}

	_log.info(padding + frontPage.get__title());

	File dir = new File(frontPage.getOutDir() + File.separator + frontPage.getPath(), frontPage.get__title());
	dir.mkdirs();

	// _log.debug("Create Dir: " + dir);
	if (copyOriginal) {
	copyFile(frontPage.getFile(), new File(dir, frontPage.get__title() + ".xml"));
	} else {
	File filePage = new File(dir, frontPage.get__title());
	write(filePage, frontPage.get__content());
	}

	if (!frontPage.getAttachments().isEmpty()) {
	_log.info(padding + " " + frontPage.getAttachments().size() + "-Attachments " + frontPage.getAttachments());
	}

	for (WikiPage page : frontPage.getChildren()) {
	page.setPath(frontPage.getPath() + File.separator + frontPage.get__title());
	page.setOutDir(frontPage.getOutDir());

	saveRecursive(page, copyOriginal);
	}
	}

	protected void write(File file, String content) {
	try {
	FileOutputStream fw = new FileOutputStream(file);
	OutputStreamWriter outstream = new OutputStreamWriter(fw, "utf-8");
	BufferedWriter out = new BufferedWriter(outstream);
	out.write(content);
	out.close();
	} catch (IOException e) {
	_log.error("Problem writing to file: " + file.getAbsolutePath());
	e.printStackTrace();
	}
	}

	public void showPages() {
	_log.debug("---------Pages-----------");
	for (WikiPage page : pageList) {
	_log.info(page);

	if (!page.showChildren().isEmpty()) {
	_log.info(page.showChildren());
	}
	}
	}

	public void showPagesNoParentTitle() {
	_log.info("---------showPagesNoParentTitle-----------");
	for (WikiPage page : pageList) {

	if (page.get__parentTitle().isEmpty()) {
	_log.debug(page);
	}
	}
	}

	}