protected void compareVersions(RenderRequest renderRequest) throws Exception {
long fileEntryId = ParamUtil.getLong(renderRequest, "fileEntryId");
String sourceVersion = ParamUtil.getString(renderRequest, "sourceVersion");
String targetVersion = ParamUtil.getString(renderRequest, "targetVersion");
FileEntry fileEntry = DLAppServiceUtil.getFileEntry(fileEntryId);
String extension = fileEntry.getExtension();
FileVersion sourceFileVersion = fileEntry.getFileVersion(sourceVersion);
String sourceTitle = sourceFileVersion.getTitle();
FileVersion targetFileVersion = fileEntry.getFileVersion(targetVersion);
String targetTitle = targetFileVersion.getTitle();
InputStream sourceIs = fileEntry.getContentStream(sourceVersion);
InputStream targetIs = fileEntry.getContentStream(targetVersion);
if (extension.equals("htm") || extension.equals("html") || extension.equals("xml")) {
String escapedSource = HtmlUtil.escape(StringUtil.read(sourceIs));
String escapedTarget = HtmlUtil.escape(StringUtil.read(targetIs));
sourceIs = new UnsyncByteArrayInputStream(escapedSource.getBytes(StringPool.UTF8));
targetIs = new UnsyncByteArrayInputStream(escapedTarget.getBytes(StringPool.UTF8));
}
if (DocumentConversionUtil.isEnabled()
&& DocumentConversionUtil.isConvertBeforeCompare(extension)) {
String sourceTempFileId = DLUtil.getTempFileId(fileEntryId, sourceVersion);
String targetTempFileId = DLUtil.getTempFileId(fileEntryId, targetVersion);
sourceIs =
new FileInputStream(
DocumentConversionUtil.convert(sourceTempFileId, sourceIs, extension, "txt"));
targetIs =
new FileInputStream(
DocumentConversionUtil.convert(targetTempFileId, targetIs, extension, "txt"));
}
List<DiffResult>[] diffResults =
DiffUtil.diff(new InputStreamReader(sourceIs), new InputStreamReader(targetIs));
renderRequest.setAttribute(WebKeys.SOURCE_NAME, sourceTitle + StringPool.SPACE + sourceVersion);
renderRequest.setAttribute(WebKeys.TARGET_NAME, targetTitle + StringPool.SPACE + targetVersion);
renderRequest.setAttribute(WebKeys.DIFF_RESULTS, diffResults);
}
protected String getPageDiff(long companyId, WikiPage latestPage, WikiPage page, Locale locale)
throws SystemException {
try {
String templateId = "com/liferay/portlet/wiki/dependencies/rss.vm";
String templateContent = ContentUtil.get(templateId);
Template template =
TemplateManagerUtil.getTemplate(
TemplateManager.VELOCITY,
new StringTemplateResource(templateId, templateContent),
TemplateContextType.STANDARD);
template.put("companyId", companyId);
template.put("contextLine", Diff.CONTEXT_LINE);
template.put("diffUtil", new DiffUtil());
template.put("languageUtil", LanguageUtil.getLanguage());
template.put("locale", locale);
String sourceContent = WikiUtil.processContent(latestPage.getContent());
String targetContent = WikiUtil.processContent(page.getContent());
sourceContent = HtmlUtil.escape(sourceContent);
targetContent = HtmlUtil.escape(targetContent);
List<DiffResult>[] diffResults =
DiffUtil.diff(
new UnsyncStringReader(sourceContent), new UnsyncStringReader(targetContent));
template.put("sourceResults", diffResults[0]);
template.put("targetResults", diffResults[1]);
UnsyncStringWriter unsyncStringWriter = new UnsyncStringWriter();
template.processTemplate(unsyncStringWriter);
return unsyncStringWriter.toString();
} catch (Exception e) {
throw new SystemException(e);
}
}
protected void compareVersions(RenderRequest renderRequest, RenderResponse renderResponse)
throws Exception {
ThemeDisplay themeDisplay = (ThemeDisplay) renderRequest.getAttribute(WebKeys.THEME_DISPLAY);
long nodeId = ParamUtil.getLong(renderRequest, "nodeId");
String title = ParamUtil.getString(renderRequest, "title");
double sourceVersion = ParamUtil.getDouble(renderRequest, "sourceVersion");
double targetVersion = ParamUtil.getDouble(renderRequest, "targetVersion");
String type = ParamUtil.getString(renderRequest, "type", "escape");
WikiPage sourcePage = WikiPageServiceUtil.getPage(nodeId, title, sourceVersion);
WikiPage targetPage = WikiPageServiceUtil.getPage(nodeId, title, targetVersion);
if (type.equals("html")) {
WikiNode sourceNode = sourcePage.getNode();
PortletURL viewPageURL = renderResponse.createRenderURL();
viewPageURL.setParameter("struts_action", "/wiki/view");
viewPageURL.setParameter("nodeName", sourceNode.getName());
PortletURL editPageURL = renderResponse.createRenderURL();
editPageURL.setParameter("struts_action", "/wiki/edit_page");
editPageURL.setParameter("nodeId", String.valueOf(nodeId));
editPageURL.setParameter("title", title);
String attachmentURLPrefix =
WikiUtil.getAttachmentURLPrefix(
themeDisplay.getPathMain(), themeDisplay.getPlid(), nodeId, title);
String htmlDiffResult =
WikiUtil.diffHtml(sourcePage, targetPage, viewPageURL, editPageURL, attachmentURLPrefix);
renderRequest.setAttribute(WebKeys.DIFF_HTML_RESULTS, htmlDiffResult);
} else {
String sourceContent = sourcePage.getContent();
String targetContent = targetPage.getContent();
sourceContent = WikiUtil.processContent(sourceContent);
targetContent = WikiUtil.processContent(targetContent);
if (type.equals("strip")) {
sourceContent = HtmlUtil.extractText(sourceContent);
targetContent = HtmlUtil.extractText(targetContent);
} else {
sourceContent = HtmlUtil.escape(sourceContent);
targetContent = HtmlUtil.escape(targetContent);
}
List<DiffResult>[] diffResults =
DiffUtil.diff(
new UnsyncStringReader(sourceContent), new UnsyncStringReader(targetContent));
renderRequest.setAttribute(WebKeys.DIFF_RESULTS, diffResults);
}
renderRequest.setAttribute(WebKeys.WIKI_NODE_ID, nodeId);
renderRequest.setAttribute(WebKeys.TITLE, title);
renderRequest.setAttribute(WebKeys.SOURCE_VERSION, sourceVersion);
renderRequest.setAttribute(WebKeys.TARGET_VERSION, targetVersion);
}