private static void buildLayout(HttpServletRequest request, ModelAndView next) throws Exception {
String virtualWikiName = JAMWikiServlet.getVirtualWikiFromURI(request);
if (virtualWikiName == null) {
logger.error("No virtual wiki available for page request " + request.getRequestURI());
virtualWikiName = WikiBase.DEFAULT_VWIKI;
}
VirtualWiki virtualWiki = WikiBase.getHandler().lookupVirtualWiki(virtualWikiName);
if (virtualWiki == null) {
logger.error("No virtual wiki found for " + virtualWikiName);
virtualWikiName = WikiBase.DEFAULT_VWIKI;
virtualWiki = WikiBase.getHandler().lookupVirtualWiki(virtualWikiName);
}
String topic = JAMWikiServlet.getTopicFromRequest(request);
if (topic == null) {
topic = JAMWikiServlet.getTopicFromURI(request);
}
next.addObject(PARAMETER_TOPIC, topic);
// build the layout contents
String leftMenu =
JAMWikiServlet.getCachedContent(
request, virtualWikiName, WikiBase.SPECIAL_PAGE_LEFT_MENU, true);
next.addObject("leftMenu", leftMenu);
next.addObject("defaultTopic", virtualWiki.getDefaultTopicName());
next.addObject("logo", Environment.getValue(Environment.PROP_BASE_LOGO_IMAGE));
String bottomArea =
JAMWikiServlet.getCachedContent(
request, virtualWikiName, WikiBase.SPECIAL_PAGE_BOTTOM_AREA, true);
next.addObject("bottomArea", bottomArea);
next.addObject(PARAMETER_VIRTUAL_WIKI, virtualWikiName);
}
private void history(HttpServletRequest request, ModelAndView next, WikiPageInfo pageInfo)
throws Exception {
String virtualWiki = JAMWikiServlet.getVirtualWikiFromURI(request);
String topicName = JAMWikiServlet.getTopicFromRequest(request);
pageInfo.setAction(WikiPageInfo.ACTION_HISTORY);
pageInfo.setTopicName(topicName);
pageInfo.setPageTitle(new WikiMessage("history.title", topicName));
Vector changes = WikiBase.getHandler().getRecentChanges(virtualWiki, topicName, true);
next.addObject("changes", changes);
}
private void preview(HttpServletRequest request, ModelAndView next, WikiPageInfo pageInfo)
throws Exception {
String topicName = JAMWikiServlet.getTopicFromRequest(request);
String virtualWiki = JAMWikiServlet.getVirtualWikiFromURI(request);
String contents = (String) request.getParameter("contents");
Topic previewTopic = new Topic();
previewTopic.setName(topicName);
previewTopic.setTopicContent(contents);
previewTopic.setVirtualWiki(virtualWiki);
pageInfo.setAction(WikiPageInfo.ACTION_EDIT_PREVIEW);
next.addObject("contents", contents);
viewTopic(request, next, pageInfo, null, previewTopic, false);
}
private void resolve(HttpServletRequest request, ModelAndView next, WikiPageInfo pageInfo)
throws Exception {
String topicName = JAMWikiServlet.getTopicFromRequest(request);
String virtualWiki = JAMWikiServlet.getVirtualWikiFromURI(request);
TopicVersion version = WikiBase.getHandler().lookupLastTopicVersion(virtualWiki, topicName);
String contents1 = version.getVersionContent();
String contents2 = request.getParameter("contents");
next.addObject("lastTopicVersionId", new Integer(version.getTopicVersionId()));
next.addObject("contents", contents1);
next.addObject("contentsResolve", contents2);
Vector diffs = DiffUtil.diff(contents1, contents2);
next.addObject("diffs", diffs);
loadEdit(request, next, pageInfo, virtualWiki, topicName, false);
pageInfo.setAction(WikiPageInfo.ACTION_EDIT_RESOLVE);
}
private void viewVersion(HttpServletRequest request, ModelAndView next, WikiPageInfo pageInfo)
throws Exception {
// display an older version
String virtualWiki = JAMWikiServlet.getVirtualWikiFromURI(request);
String topicName = JAMWikiServlet.getTopicFromRequest(request);
int topicVersionId = Integer.parseInt(request.getParameter("topicVersionId"));
TopicVersion topicVersion =
WikiBase.getHandler().lookupTopicVersion(virtualWiki, topicName, topicVersionId);
if (topicVersion == null) {
throw new WikiException(new WikiMessage("common.exception.notopic"));
}
Topic topic = WikiBase.getHandler().lookupTopic(virtualWiki, topicName);
topic.setTopicContent(topicVersion.getVersionContent());
String versionDate = DateFormat.getDateTimeInstance().format(topicVersion.getEditDate());
WikiMessage pageTitle = new WikiMessage("topic.title", topicName + " @" + versionDate);
viewTopic(request, next, pageInfo, pageTitle, topic, false, false);
}
private ModelAndView loginRequired(HttpServletRequest request) throws Exception {
String topicName = JAMWikiServlet.getTopicFromRequest(request);
String virtualWiki = JAMWikiServlet.getVirtualWikiFromURI(request);
if (!StringUtils.hasText(topicName) || !StringUtils.hasText(virtualWiki)) {
return null;
}
if (Environment.getBooleanValue(Environment.PROP_TOPIC_FORCE_USERNAME)
&& Utilities.currentUser(request) == null) {
WikiMessage errorMessage = new WikiMessage("edit.exception.login");
return viewLogin(request, JAMWikiServlet.getTopicFromURI(request), errorMessage);
}
Topic topic = WikiBase.getHandler().lookupTopic(virtualWiki, topicName);
if (topic != null && topic.getAdminOnly() && !Utilities.isAdmin(request)) {
WikiMessage errorMessage = new WikiMessage("edit.exception.loginadmin", topicName);
return viewLogin(request, JAMWikiServlet.getTopicFromURI(request), errorMessage);
}
return null;
}
/**
* Action used when viewing a topic.
*
* @param request The servlet request object.
* @param next The Spring ModelAndView object.
* @param topicName The topic being viewed. This value must be a valid topic that can be loaded as
* a org.jamwiki.model.Topic object.
*/
protected void viewTopic(HttpServletRequest request, ModelAndView next, String topicName)
throws Exception {
String virtualWiki = JAMWikiServlet.getVirtualWikiFromURI(request);
if (!StringUtils.hasText(virtualWiki)) {
virtualWiki = WikiBase.DEFAULT_VWIKI;
}
Topic topic = WikiBase.getHandler().lookupTopic(virtualWiki, topicName);
WikiMessage pageTitle = new WikiMessage("topic.title", topicName);
viewTopic(request, next, pageTitle, topic, true);
}
private void jumpTo(HttpServletRequest request, HttpServletResponse response, ModelAndView next)
throws Exception {
String virtualWiki = JAMWikiServlet.getVirtualWikiFromURI(request);
String text = request.getParameter("text");
// FIXME - if topic doesn't exist, should probably go to an edit page
// or else give an error message
// FIXME - need a better way to do redirects
String redirectURL = LinkUtil.buildInternalLinkUrl(request.getContextPath(), virtualWiki, text);
redirect(redirectURL, response);
}
private void edit(HttpServletRequest request, ModelAndView next, WikiPageInfo pageInfo)
throws Exception {
String topicName = JAMWikiServlet.getTopicFromRequest(request);
String virtualWiki = JAMWikiServlet.getVirtualWikiFromURI(request);
Topic topic = loadTopic(virtualWiki, topicName);
// topic name might be updated by loadTopic
topicName = topic.getName();
int lastTopicVersionId = retrieveLastTopicVersionId(request, virtualWiki, topicName);
next.addObject("lastTopicVersionId", new Integer(lastTopicVersionId));
loadEdit(request, next, pageInfo, virtualWiki, topicName, true);
String contents = null;
if (isPreview(request)) {
preview(request, next, pageInfo);
return;
}
pageInfo.setAction(WikiPageInfo.ACTION_EDIT);
if (StringUtils.hasText(request.getParameter("topicVersionId"))) {
// editing an older version
int topicVersionId = Integer.parseInt(request.getParameter("topicVersionId"));
TopicVersion topicVersion =
WikiBase.getHandler().lookupTopicVersion(topicName, topicVersionId);
if (topicVersion == null) {
throw new WikiException(new WikiMessage("common.exception.notopic"));
}
contents = topicVersion.getVersionContent();
if (lastTopicVersionId != topicVersionId) {
next.addObject("topicVersionId", new Integer(topicVersionId));
}
} else if (StringUtils.hasText(request.getParameter("section"))) {
// editing a section of a topic
int section = (new Integer(request.getParameter("section"))).intValue();
ParserDocument parserDocument =
Utilities.parseSlice(request, virtualWiki, topicName, section);
contents = parserDocument.getContent();
} else {
// editing a full new or existing topic
contents = (topic == null) ? "" : topic.getTopicContent();
}
next.addObject("contents", contents);
}
protected static boolean isTopic(HttpServletRequest request, String value) {
try {
String topic = JAMWikiServlet.getTopicFromURI(request);
if (!StringUtils.hasText(topic)) {
return false;
}
if (value != null && topic.equals(value)) {
return true;
}
} catch (Exception e) {
}
return false;
}
// FIXME - shouldn't need to pass in response
private boolean register(
HttpServletRequest request,
HttpServletResponse response,
ModelAndView next,
WikiPageInfo pageInfo)
throws Exception {
pageInfo.setSpecial(true);
pageInfo.setAction(WikiPageInfo.ACTION_REGISTER);
pageInfo.setPageTitle(new WikiMessage("register.title"));
String virtualWikiName = JAMWikiServlet.getVirtualWikiFromURI(request);
WikiUser user = new WikiUser();
String userIdString = request.getParameter("userId");
if (StringUtils.hasText(userIdString)) {
int userId = new Integer(userIdString).intValue();
if (userId > 0) user = WikiBase.getHandler().lookupWikiUser(userId);
}
user.setLogin(request.getParameter("login"));
user.setDisplayName(request.getParameter("displayName"));
user.setEmail(request.getParameter("email"));
String newPassword = request.getParameter("newPassword");
if (StringUtils.hasText(newPassword)) {
user.setEncodedPassword(Encryption.encrypt(newPassword));
}
// FIXME - need to distinguish between add & update
user.setCreateIpAddress(request.getRemoteAddr());
user.setLastLoginIpAddress(request.getRemoteAddr());
next.addObject("newuser", user);
Vector errors = validate(request, user);
if (errors.size() > 0) {
next.addObject("errors", errors);
String oldPassword = request.getParameter("oldPassword");
String confirmPassword = request.getParameter("confirmPassword");
if (oldPassword != null) next.addObject("oldPassword", oldPassword);
if (newPassword != null) next.addObject("newPassword", newPassword);
if (confirmPassword != null) next.addObject("confirmPassword", confirmPassword);
return false;
} else {
WikiBase.getHandler().writeWikiUser(user);
request.getSession().setAttribute(JAMWikiServlet.PARAMETER_USER, user);
VirtualWiki virtualWiki = WikiBase.getHandler().lookupVirtualWiki(virtualWikiName);
String topic = virtualWiki.getDefaultTopicName();
String redirect =
LinkUtil.buildInternalLinkUrl(request.getContextPath(), virtualWikiName, topic);
// FIXME - can a redirect be done with Spring?
redirect(redirect, response);
return true;
}
}
/**
* Action used when redirecting to a login page.
*
* @param request The servlet request object.
* @param next The Spring ModelAndView object.
* @param topic The topic to be redirected to. Valid examples are "Special:Admin",
* "StartingPoints", etc.
*/
protected void viewLogin(HttpServletRequest request, ModelAndView next, String topic)
throws Exception {
this.pageInfo = new WikiPageInfo();
String virtualWikiName = JAMWikiServlet.getVirtualWikiFromURI(request);
String redirect = request.getParameter("redirect");
if (!StringUtils.hasText(redirect)) {
if (!StringUtils.hasText(topic)) {
VirtualWiki virtualWiki = WikiBase.getHandler().lookupVirtualWiki(virtualWikiName);
topic = virtualWiki.getDefaultTopicName();
}
redirect =
LinkUtil.buildInternalLinkUrl(
request.getContextPath(), virtualWikiName, topic, null, request.getQueryString());
}
next.addObject("redirect", redirect);
this.pageInfo.setPageTitle(new WikiMessage("login.title"));
this.pageInfo.setPageAction(JAMWikiServlet.ACTION_LOGIN);
this.pageInfo.setSpecial(true);
}
protected void loadDefaults(
HttpServletRequest request, ModelAndView next, WikiPageInfo pageInfo) {
// load cached top area, nav bar, etc.
try {
this.buildLayout(request, next);
} catch (Exception e) {
logger.error("Unable to build default page layout", e);
}
// add link to user page and comments page
WikiUser user = Utilities.currentUser(request);
if (user != null) {
next.addObject("userpage", WikiBase.NAMESPACE_USER + user.getLogin());
next.addObject("usercomments", WikiBase.NAMESPACE_USER_COMMENTS + user.getLogin());
next.addObject("adminUser", new Boolean(user.getAdmin()));
}
if (!this.pageInfo.getSpecial()) {
// FIXME - this is really ugly
String article = this.pageInfo.getTopicName();
String comments = WikiBase.NAMESPACE_COMMENTS + article;
if (article != null && article.startsWith(WikiBase.NAMESPACE_COMMENTS)) {
int pos = WikiBase.NAMESPACE_COMMENTS.length();
article = article.substring(pos);
comments = WikiBase.NAMESPACE_COMMENTS + article;
} else if (article != null && article.startsWith(WikiBase.NAMESPACE_SPECIAL)) {
int pos = WikiBase.NAMESPACE_SPECIAL.length();
article = article.substring(pos);
comments = WikiBase.NAMESPACE_COMMENTS + article;
} else if (article != null && article.startsWith(WikiBase.NAMESPACE_USER_COMMENTS)) {
int pos = WikiBase.NAMESPACE_USER_COMMENTS.length();
comments = article;
article = WikiBase.NAMESPACE_USER + article.substring(pos);
} else if (article != null && article.startsWith(WikiBase.NAMESPACE_USER)) {
int pos = WikiBase.NAMESPACE_USER.length();
comments = WikiBase.NAMESPACE_USER_COMMENTS + article.substring(pos);
} else if (article != null && article.startsWith(WikiBase.NAMESPACE_IMAGE_COMMENTS)) {
int pos = WikiBase.NAMESPACE_IMAGE_COMMENTS.length();
comments = article;
article = WikiBase.NAMESPACE_IMAGE + article.substring(pos);
} else if (article != null && article.startsWith(WikiBase.NAMESPACE_IMAGE)) {
int pos = WikiBase.NAMESPACE_IMAGE.length();
comments = WikiBase.NAMESPACE_IMAGE_COMMENTS + article.substring(pos);
}
next.addObject("article", article);
next.addObject("comments", comments);
String editLink = "Special:Edit?topic=" + Utilities.encodeURL(this.pageInfo.getTopicName());
if (StringUtils.hasText(request.getParameter("topicVersionId"))) {
editLink += "&topicVersionId=" + request.getParameter("topicVersionId");
}
next.addObject("edit", editLink);
}
next.addObject(JAMWikiServlet.PARAMETER_TOPIC, this.pageInfo.getTopicName());
if (!StringUtils.hasText(this.pageInfo.getTopicName())) {
try {
next.addObject(JAMWikiServlet.PARAMETER_TOPIC, JAMWikiServlet.getTopicFromURI(request));
} catch (Exception e) {
logger.error("Unable to load topic value in JAMWikiServlet", e);
}
}
next.addObject(JAMWikiServlet.PARAMETER_ADMIN, new Boolean(this.pageInfo.getAdmin()));
next.addObject(JAMWikiServlet.PARAMETER_SPECIAL, new Boolean(this.pageInfo.getSpecial()));
next.addObject(JAMWikiServlet.PARAMETER_TITLE, this.pageInfo.getPageTitle());
next.addObject(JAMWikiServlet.PARAMETER_ACTION, this.pageInfo.getPageAction());
// reset pageInfo object - seems not to reset with each servlet call
this.pageInfo = new WikiPageInfo();
}
private void search(HttpServletRequest request, HttpServletResponse response, ModelAndView next)
throws Exception {
String virtualWiki = JAMWikiServlet.getVirtualWikiFromURI(request);
try {
String searchField = request.getParameter("text");
if (request.getParameter("text") == null) {
this.pageInfo.setPageTitle("Special:Search");
} else {
String message =
Utilities.getMessage("searchresult.title", request.getLocale(), searchField);
this.pageInfo.setPageTitle(message);
}
// forward back to the search page if the request is blank or null
if (!StringUtils.hasText(searchField)) {
this.pageInfo.setPageAction(JAMWikiServlet.ACTION_SEARCH);
this.pageInfo.setSpecial(true);
return;
}
// grab search engine instance and find
boolean fuzzy = false;
if (request.getParameter("fuzzy") != null) fuzzy = true;
SearchEngine sedb = WikiBase.getSearchEngineInstance();
Collection results = sedb.findMultiple(virtualWiki, searchField, fuzzy);
StringBuffer contents = new StringBuffer();
if (results != null && results.size() > 0) {
Iterator it = results.iterator();
while (it.hasNext()) {
SearchResultEntry result = (SearchResultEntry) it.next();
contents.append("<p>");
contents.append("<div class=\"searchresult\">");
contents.append("<a href=\"");
contents.append(
LinkUtil.buildInternalLinkUrl(
request.getContextPath(), virtualWiki, result.getTopic()));
if (result.getFoundWord().length() > 0) {
contents.append("?highlight=");
contents.append(Utilities.encodeURL(result.getFoundWord()));
}
contents.append("\">" + result.getTopic() + "</a>");
contents.append("</div>");
if (result.getTextBefore().length() > 0
|| result.getTextAfter().length() > 0
|| result.getFoundWord().length() > 0) {
contents.append("<br />");
contents.append(result.getTextBefore());
contents.append("<a style=\"background:yellow\" href=\"");
contents.append(
LinkUtil.buildInternalLinkUrl(
request.getContextPath(), virtualWiki, result.getTopic()));
contents.append("?highlight=");
contents.append(Utilities.encodeURL(result.getFoundWord()));
contents.append("\">");
contents.append(result.getFoundWord());
contents.append("</a> ");
contents.append(result.getTextAfter());
}
contents.append("</p>");
}
} else {
next.addObject("text", searchField);
contents.append("<p>");
String message =
Utilities.getMessage("searchresult.notfound", request.getLocale(), searchField);
contents.append(message);
contents.append("</p>");
}
next.addObject("results", contents.toString());
next.addObject("titlelink", "Special:Search");
this.pageInfo.setPageAction(JAMWikiServlet.ACTION_SEARCH_RESULTS);
this.pageInfo.setSpecial(true);
return;
} catch (Exception e) {
logger.error(e);
throw e;
}
}
private void save(HttpServletRequest request, ModelAndView next, WikiPageInfo pageInfo)
throws Exception {
String topicName = JAMWikiServlet.getTopicFromRequest(request);
String virtualWiki = JAMWikiServlet.getVirtualWikiFromURI(request);
Topic topic = loadTopic(virtualWiki, topicName);
TopicVersion lastTopicVersion =
WikiBase.getHandler().lookupLastTopicVersion(virtualWiki, topicName);
if (lastTopicVersion != null
&& lastTopicVersion.getTopicVersionId()
!= retrieveLastTopicVersionId(request, virtualWiki, topicName)) {
// someone else has edited the topic more recently
resolve(request, next, pageInfo);
return;
}
String contents = request.getParameter("contents");
if (StringUtils.hasText(request.getParameter("section"))) {
// load section of topic
int section = (new Integer(request.getParameter("section"))).intValue();
ParserDocument parserDocument =
Utilities.parseSplice(request, virtualWiki, topicName, section, contents);
contents = parserDocument.getContent();
}
if (contents == null) {
logger.warning("The topic " + topicName + " has no content");
throw new WikiException(new WikiMessage("edit.exception.nocontent", topicName));
}
if (lastTopicVersion != null && lastTopicVersion.getVersionContent().equals(contents)) {
viewTopic(request, next, pageInfo, topicName);
return;
}
// parse for signatures and other syntax that should not be saved in raw form
WikiUser user = Utilities.currentUser(request);
ParserInput parserInput = new ParserInput();
parserInput.setContext(request.getContextPath());
parserInput.setLocale(request.getLocale());
parserInput.setWikiUser(user);
parserInput.setTopicName(topicName);
parserInput.setUserIpAddress(request.getRemoteAddr());
parserInput.setVirtualWiki(virtualWiki);
ParserDocument parserDocument = Utilities.parseSave(parserInput, contents);
contents = parserDocument.getContent();
topic.setTopicContent(contents);
if (StringUtils.hasText(parserDocument.getRedirect())) {
// set up a redirect
topic.setRedirectTo(parserDocument.getRedirect());
topic.setTopicType(Topic.TYPE_REDIRECT);
} else if (topic.getTopicType() == Topic.TYPE_REDIRECT) {
// no longer a redirect
topic.setRedirectTo(null);
topic.setTopicType(Topic.TYPE_ARTICLE);
}
TopicVersion topicVersion =
new TopicVersion(
user, request.getRemoteAddr(), request.getParameter("editComment"), contents);
if (request.getParameter("minorEdit") != null) {
topicVersion.setEditType(TopicVersion.EDIT_MINOR);
}
WikiBase.getHandler().writeTopic(topic, topicVersion, parserDocument);
// a save request has been made
JAMWikiServlet.removeCachedContents();
viewTopic(request, next, pageInfo, topicName);
}
