post.jsp

来自「Jive是基于JSP/JAVA技术构架的一个大型BBS论坛系统,这是Jive论坛」· JSP 代码 · 共 661 行 · 第 1/2 页

<%
/**
 *	$RCSfile: post.jsp,v $
 *	$Revision: 1.14 $
 *	$Date: 2002/08/12 03:35:29 $
 */
%>
<%@ page import="java.net.*,
                 java.text.*,
                 java.util.*,
                 com.jivesoftware.util.*,
                 com.jivesoftware.forum.*,
                 com.jivesoftware.forum.util.*"
    errorPage="error.jsp"
%>

<%@ include file="postUtils.jsp" %>

<%@ include file="global.jsp" %>

<%  // Put the request URI and query string in the session as an attribute.
    // This is done so the error.jsp and auth.jsp pages can figure out what
    // page sent it an error and redirect appropriately.
    setRedirectURL(request);
%>

<%  // Login code. Usually the following code (below the parameter code) is in
    // global.jsp, but on this page we're not including global.jsp so we can
    // have better control over the way UnauthorizedExceptions are handled.

    // First, get the message parameters because we might be entering this page
    // after submitting the message form to post a message.
    long forumID = ParamUtils.getLongParameter(request,"forum",-1L);
	long threadID = ParamUtils.getLongParameter(request,"thread",-1L);
    long messageID = ParamUtils.getLongParameter(request,"message",-1L);
    String subject = ParamUtils.getParameter(request,"subject");
    String body = ParamUtils.getParameter(request,"body");
    String name = ParamUtils.getParameter(request,"name");
    String email = ParamUtils.getParameter(request,"email");
    boolean reply = ParamUtils.getBooleanParameter(request,"reply");
    boolean doPost = ParamUtils.getBooleanParameter(request,"doPost");
    boolean fromPreview = ParamUtils.getBooleanParameter(request,"fromPreview");
    boolean quote = ParamUtils.getBooleanParameter(request,"quote");
    boolean cancel = request.getParameter("cancel") != null;
    boolean preview = request.getParameter("preview") != null;

    // A special parameter - tells us if the user was logged in
    boolean wasLoggedIn = ParamUtils.getBooleanParameter(request, "isLoggedIn");

    // Check for a cancel:
    if (cancel) {
        // Redirect to index.jsp by default:
        String redirect = "index.jsp";
        // If threadID and forumID are both present, redirect back to the forum
        // page:
        if (forumID > -1 && threadID > -1) {
            redirect = "thread.jsp?forum=" + forumID + "&thread=" + threadID;
        }
        else if (forumID > -1) {
            redirect = "forum.jsp?forum=" + forumID;
        }
        response.sendRedirect(redirect);
        return;
    }

    // Load the forum we're interested in:
    Forum forum = forumFactory.getForum(forumID);

    // Check if the user (guest or otherwise) has permission to post:
    boolean canPost = false;
    if (reply) {
        if (forum.hasPermission(ForumPermissions.CREATE_MESSAGE) || isModerator(forumFactory,forum)) {
            canPost = true;
        }
    }
    else {
        if (forum.hasPermission(ForumPermissions.CREATE_THREAD) || isModerator(forumFactory,forum)) {
            canPost = true;
        }
    }

    // If we can't post, redirect to a specialized error page
    if (!canPost) {
        if (isGuest) {
            throw new UnauthorizedException(SkinUtils.getLocalizedString("skin.default.error.no_perm_to_post",locale));
        }
        else {
            response.sendRedirect("perm.jsp?forum=" + forumID);
            return;
        }
    }

    // Grab the subject & body from the session if we're coming from
    // a message preview (these values can't be passed as parameters)
	if (fromPreview) {
 	    subject = (String)session.getAttribute("jive.post.subject."+forumID+"."+threadID);
        body = (String)session.getAttribute("jive.post.body."+forumID+"."+threadID);
        name = (String)session.getAttribute("jive.post.name."+forumID+"."+threadID);
        email = (String)session.getAttribute("jive.post.email."+forumID+"."+threadID);
	}

    // Error checks:
    boolean subjectOK = (subject != null);
    boolean bodyOK = (body != null);

    // Watches
    boolean autoWatchNewTopics = false;
    boolean autoWatchReplies = false;
    boolean addWatch = ParamUtils.getBooleanParameter(request,"addWatch");
    if (!isGuest) {
        autoWatchNewTopics = "true".equals(pageUser.getProperty("jiveAutoWatchNewTopics"));
        autoWatchReplies = "true".equals(pageUser.getProperty("jiveAutoWatchReplies"));
    }
    boolean wasAutoWatchReplies = ParamUtils.getBooleanParameter(request,"wasAutoWatchReplies");
    if (reply && (addWatch != wasAutoWatchReplies)) {
        autoWatchReplies = addWatch;
    }
    boolean wasAutoWatchNewTopics = ParamUtils.getBooleanParameter(request,"wasAutoWatchNewTopics");
    if (!reply && (addWatch != wasAutoWatchNewTopics)) {
        autoWatchNewTopics = addWatch;
    }

    // If the subject & body are both not blank, we can check if we should
    // do a preview, spell check or attach files:
    if (doPost && subjectOK && bodyOK) {

        // Previewing, spell checking and attaching files all need the subject,
        // body and name & email in the session:
        session.setAttribute("jive.post.subject."+forumID+"."+threadID, subject);
        session.setAttribute("jive.post.body."+forumID+"."+threadID, body);
        // Put the name and email in the session if they're not null
        if (name != null) {
            session.setAttribute("jive.post.name."+forumID+"."+threadID, name);
        }
        if (email != null) {
            session.setAttribute("jive.post.email."+forumID+"."+threadID, email);
        }

        // Redirect to the right page:
        if (preview) {
            response.sendRedirect(
                "preview.jsp?forum=" + forumID + "&thread=" + threadID + "&message="
                + messageID + "&reply=" + reply
                + "&addWatch=" + addWatch
            );
            return;
        }
    }

    // The thread we're posting in (if this is a reply).
	ForumThread thread = null;
    // The parent message we're replying to (if this is a reply).
	ForumMessage parentMessage = null;
	if (reply) {
     	thread = forum.getThread(threadID);
        // A message ID might not be passed in. If this is the case, we're
        // replying to the root message so get the message ID from the root
        // message of the thread.
        if (messageID == -1L) {
            parentMessage = thread.getRootMessage();
            messageID = parentMessage.getID();
        } else {
            parentMessage = thread.getMessage(messageID);
        }
	}

    // Determine if moderation is turned on for this forum:
    boolean isThreadModOn = (
        forum.getModerationDefaultThreadValue() < forum.getModerationMinThreadValue()
    );
    boolean isMsgModOn = (
        forum.getModerationDefaultMessageValue() < forum.getModerationMinMessageValue()
    );

    // A user manager lets us get and set user information:
    UserManager userManager = forumFactory.getUserManager();

    // Post the message if requested and if no errors.
    ForumMessage newMessage = null;
    if (doPost && subjectOK && bodyOK) {
        newMessage = postMessage(request, reply, forumFactory, forum, thread,
                messageID, pageUser, name, email, subject, body);
        thread = newMessage.getForumThread();
        // Remove the subject and body from the session as they're no longer
        // needed.
        session.removeAttribute("jive.post.subject."+forumID+"."+threadID);
        session.removeAttribute("jive.post.body."+forumID+"."+threadID);
        session.removeAttribute("jive.post.name."+forumID+"."+threadID);
        session.removeAttribute("jive.post.email."+forumID+"."+threadID);
        // Add a watch if requested.
        if (pageUser != null) {
            // Determine if we'll also need to make this watch an email watch.
            boolean autoAddEmailWatch = "true".equals(pageUser.getProperty("jiveAutoAddEmailWatch"));
            // Check if we need to add a watch to this message
            if (autoWatchNewTopics || (reply && autoWatchReplies)) {
                WatchManager watchManager = forumFactory.getWatchManager();
                watchManager.createWatch(pageUser, thread, WatchManager.NORMAL_WATCH);
                if (autoAddEmailWatch) {
                    watchManager.createWatch(pageUser, thread, WatchManager.EMAIL_NOTIFY_WATCH);
                }
            }
        }
		// Now that posting is done, figure out where we need to redirect to.
        // Do a standard redirect back to the new thread page if we're
        // not replying to a message
        if (!reply) {
            // However, if thread moderation is turned on, we shoud just
            // redirect back to the forum's thread listing:
            if (isThreadModOn) {
                response.sendRedirect("forum.jsp?forum="+forumID);
                return;
            }
            else {
                // Standard redirect back to the new thread page
                response.sendRedirect("thread.jsp?nav=false&forum="+forumID+"&thread="+thread.getID());
                return;
            }
        }
        // Otherwise, we need to redirect back to the new posted reply.
        // Compute the correct thread page to go to.
        else {
            // However, if message moderation is turned on, we should just
            // redirect back to the top of the thread listing
            if (isMsgModOn) {
                response.sendRedirect("thread.jsp?nav=false&forum=" + forumID
                    + "&thread=" + threadID);
                return;
            }
            else {
                // the ID of the newly created message
                long newMessageID = newMessage.getID();
                // the number of threads a user wants to display on a topic page
                int threadRange = getThreadRange(request, response, pageUser);
                // the number of messages in this thread
                int messageCount = thread.getMessageCount();
                // number of pages in the topic listing (we'll want to be at
                // the end of that since new messages end up at the end of the
                // thread list)
                int numPages = (int)Math.ceil((double)messageCount/(double)threadRange);
                // starting point:
                int start = (numPages-1) * threadRange;
                // do the redirect:
    			response.sendRedirect(
                    "thread.jsp?nav=false&forum=" + forumID + "&thread=" + thread.getID()
                    + "&start=" + start + "&msRange=" + userMessageRange
                );
                return;
            }
        }
    }

    // Formatter for short dates
    SimpleDateFormat shortDateFormatter = new SimpleDateFormat("MMM, yyyy", locale);

    String title = SkinUtils.getLocalizedString("skin.default.post.title",locale);
%>

<%@ include file="header.jsp" %>

<table cellpadding="0" cellspacing="0" border="0" width="100%">
<tr>
    <td valign="top" width="98%">

    <font face="<%= JiveGlobals.getJiveProperty("skin.default.fontFace") %>"
     color="<%= JiveGlobals.getJiveProperty("skin.default.linkColor") %>">
    <%  if (reply) { %>
        <b><%= SkinUtils.getLocalizedString("skin.default.global.post_message",locale) %></b>
    <%  } else { %>
        <b><%= SkinUtils.getLocalizedString("skin.default.global.post_new_topic",locale) %></b>
    <%  } %>
    </font>
    <br>

    <%-- Breadcrumbs --%>

    <font size="<%= JiveGlobals.getJiveProperty("skin.default.fontSize") %>"
     face="<%= JiveGlobals.getJiveProperty("skin.default.fontFace") %>"
     color="<%= JiveGlobals.getJiveProperty("skin.default.linkColor") %>">
    <b>
    <a href="<%= JiveGlobals.getJiveProperty("skin.default.homeURL") %>"
    ><%= SkinUtils.getLocalizedString("skin.default.global.home",locale) %></a>
    &raquo;
    <a href="index.jsp"
     title="<%= SkinUtils.getLocalizedString("skin.default.global.go_back_to_forum_list",locale) %>"
     ><%= SkinUtils.getLocalizedString("skin.default.global.forums",locale) %></a>
    &raquo;
    <a href="forum.jsp?forum=<%= forumID %>"
     title="<%= SkinUtils.getLocalizedString("skin.default.global.go_back_to_topic_list",locale) %>"
     ><%= forum.getName() %></a>
    </b>
    </font>
    <p>
    <font size="<%= JiveGlobals.getJiveProperty("skin.default.fontSize") %>"
     face="<%= JiveGlobals.getJiveProperty("skin.default.fontFace") %>">
    <%  // Create the list of arguments to pass into the following two i18n
        // string methods:
        List postLinkDisplay = new ArrayList(2);
        // Add the name and link to the forum:
        postLinkDisplay.add("<a href=\"forum.jsp?forum=" + forumID + "\">"
                + forum.getName() + "</a>");
        if (reply) {
            // Add the name and link to the message:
            postLinkDisplay.add("<a href=\"thread.jsp?forum=" + forumID
                    + "&thread=" + threadID + "&message=" + messageID
                    + "#" + messageID + "\">" + parentMessage.getSubject() + "</a>");
        }
    %>
    <%  if (reply) { %>

        <%= SkinUtils.getLocalizedString("skin.default.post.reply_in_forum_to_message", postLinkDisplay) %>

    <%  } else { %>

        <%= SkinUtils.getLocalizedString("skin.default.post.post_in_forum", postLinkDisplay) %>

    <%  } %>
    </font>
    <p>
    </td>
    <td valign="top" width="1%" align="center">
    <%@ include file="loginbox.jsp" %>
    </td>
</tr>
</table>

<p>

<font size="<%= JiveGlobals.getJiveProperty("skin.default.fontSize") %>"
 face="<%= JiveGlobals.getJiveProperty("skin.default.fontFace") %>">
<%  if (reply) { %>
    <%= SkinUtils.getLocalizedString("skin.default.post.reply_description",locale) %>