jforum example source code file (NewGroup.jsp)

This example jforum source code file (NewGroup.jsp) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - jforum tags/keywords

group, group, groupmanager, groupmanager, logger, nosuchprincipalexception, string, string, try, wikicontext, wikiengine, wikisecurityexception, wikisecurityexception, wikisession

The jforum NewGroup.jsp source code

<%@ page import="org.apache.log4j.*" %>
<%@ page import="com.ecyrd.jspwiki.*" %>
<%@ page import="com.ecyrd.jspwiki.auth.NoSuchPrincipalException" %>
<%@ page import="com.ecyrd.jspwiki.auth.WikiSecurityException" %>
<%@ page import="com.ecyrd.jspwiki.auth.authorize.Group" %>
<%@ page import="com.ecyrd.jspwiki.auth.authorize.GroupManager" %>
<%@ page errorPage="/Error.jsp" %>
<%@ taglib uri="/WEB-INF/jspwiki.tld" prefix="wiki" %>
<%! 
    public void jspInit()
    {
        wiki = WikiEngine.getInstance( getServletConfig() );
    }
    Logger log = Logger.getLogger("JSPWiki"); 
    WikiEngine wiki;
%>

<%
    // Create wiki context and check for authorization
    WikiContext wikiContext = wiki.createContext( request, WikiContext.CREATE_GROUP );
    if(!wikiContext.hasAccess( response )) return;
    
    // Extract the current user, group name, members and action attributes
    WikiSession wikiSession = wikiContext.getWikiSession();
    GroupManager groupMgr = wiki.getGroupManager();
    Group group = null;
    try 
    {
        group = groupMgr.parseGroup( wikiContext, true );
        pageContext.setAttribute ( "Group", group, PageContext.REQUEST_SCOPE );
    }
    catch ( WikiSecurityException e )
    {
        wikiSession.addMessage( GroupManager.MESSAGES_KEY, e.getMessage() );
        response.sendRedirect( "Group.jsp" );
    }
    
    // Are we saving the group?
    if( "save".equals(request.getParameter("action")) )
    {
        // Validate the group
        groupMgr.validateGroup( wikiContext, group );
        
        try 
        {
            groupMgr.getGroup( group.getName() );
            // Oops! The group already exists. This is mischief!
            wikiSession.addMessage( GroupManager.MESSAGES_KEY, "Group '" + 
                group.getName() + "' already exists. Try another name." );
        }
        catch ( NoSuchPrincipalException e )
        {
            // Group not found; this is good!
        }

        // If no errors, save the group now
        if ( wikiSession.getMessages( GroupManager.MESSAGES_KEY ).length == 0 )
        {
            try
            {
                groupMgr.setGroup( wikiSession, group );
            }
            catch( WikiSecurityException e )
            {
                // Something went horribly wrong! Maybe it's an I/O error...
                wikiSession.addMessage( GroupManager.MESSAGES_KEY, e.getMessage() );
            }
        }
        if ( wikiSession.getMessages( GroupManager.MESSAGES_KEY ).length == 0 )
        {
            response.sendRedirect( "Group.jsp?group=" + group.getName() );
            return;
        }
    }

    // Set the content type and include the response content
    response.setContentType("text/html; charset="+wiki.getContentEncoding() );
    String contentPage = wiki.getTemplateManager().findJSP( pageContext,
                                                            wikiContext.getTemplate(),
                                                            "ViewTemplate.jsp" );

%><wiki:Include page="<%=contentPage%>" />