jforum example source code file (DeleteGroup.jsp)

This example jforum source code file (DeleteGroup.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

groupmanager, groupmanager, jspwiki, jspwiki, logger, nosuchprincipalexception, parameter, parameter, string, string, wikicontext, wikiengine, wikisecurityexception, wikisession

The jforum DeleteGroup.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.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.DELETE_GROUP );
    if(!wikiContext.hasAccess( response )) return;

    WikiSession wikiSession = wikiContext.getWikiSession();
    GroupManager groupMgr = wiki.getGroupManager();
    String name = request.getParameter( "group" );
    
    if ( name == null )
    {
        // Group parameter was null
        wikiSession.addMessage( GroupManager.MESSAGES_KEY, "Parameter 'group' cannot be null." );
        response.sendRedirect( "Group.jsp" );
    }

    // Check that the group exists first
    try
    {
        groupMgr.getGroup( name );
    }
    catch ( NoSuchPrincipalException e )
    {
        // Group does not exist
        wikiSession.addMessage( GroupManager.MESSAGES_KEY, e.getMessage() );
        response.sendRedirect( "Group.jsp" );
    }

    // Now, let's delete the group
    try 
    {
        groupMgr.removeGroup( name );
        response.sendRedirect( "." );
    }
    catch ( WikiSecurityException e )
    {
        // Send error message
        wikiSession.addMessage( GroupManager.MESSAGES_KEY, e.getMessage() );
        response.sendRedirect( "Group.jsp" );
    }

%>