jforum example source code file (Search.jsp)

This example jforum source code file (Search.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

arraylist, collection, complete, exception, iterator, pagepermission, pagepermission, searching, searching, searchresult, searchresult, string, string, wikipage

The jforum Search.jsp source code

<%@ page import="org.apache.log4j.*" %>
<%@ page import="com.ecyrd.jspwiki.*" %>
<%@ page import="com.ecyrd.jspwiki.auth.*" %>
<%@ page import="com.ecyrd.jspwiki.auth.permissions.*" %>
<%@ page import="java.util.*" %>
<%@ page errorPage="/Error.jsp" %>
<%@ taglib uri="/WEB-INF/jspwiki.tld" prefix="wiki" %>

<%! 
    public void jspInit()
    {
        wiki = WikiEngine.getInstance( getServletConfig() );
    }

    Logger log = Logger.getLogger("JSPWikiSearch");
    WikiEngine wiki;
%>

<%
    // Create wiki context and check for authorization
    WikiContext wikiContext = wiki.createContext( request, WikiContext.FIND );
    if(!wikiContext.hasAccess( response )) return;
    String pagereq = wikiContext.getName();

    // Get the search results
    Collection list = null;
    String query = request.getParameter( "query");
    String go    = request.getParameter("go");
    
    if( query != null )
    {
        log.info("Searching for string "+query);

        try
        {
            list = wiki.findPages( query );

            //
            //  Filter down to only those that we actually have a permission to view
            //
            AuthorizationManager mgr = wiki.getAuthorizationManager();
        
            ArrayList filteredList = new ArrayList();
            
            for( Iterator i = list.iterator(); i.hasNext(); )
            {
                SearchResult r = (SearchResult)i.next();
            
                WikiPage p = r.getPage();
            
                PagePermission pp = new PagePermission( p, PagePermission.VIEW_ACTION );

                try
                {            
                    if( mgr.checkPermission( wikiContext.getWikiSession(), pp ) )
                    {
                        filteredList.add( r );
                    }
                }
                catch( Exception e ) { log.error( "Searching for page "+p, e ); }
            }
        
            pageContext.setAttribute( "searchresults",
                                      filteredList,
                                      PageContext.REQUEST_SCOPE );
        }
        catch( Exception e )
        {
            wikiContext.getWikiSession().addMessage( e.getMessage() );
        }
        
        query = TextUtil.replaceEntities( query );

        pageContext.setAttribute( "query",
                                  query,
                                  PageContext.REQUEST_SCOPE );
        
        //
        //  Did the user click on "go"?
        //           
        if( go != null )
        {
            if( list != null && list.size() > 0 )
            {
                SearchResult sr = (SearchResult) list.iterator().next();
                
                WikiPage wikiPage = sr.getPage();
                
                String url = wikiContext.getViewURL( wikiPage.getName() );
                
                response.sendRedirect( url );
                
                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%>" /><%
    log.debug("SEARCH COMPLETE");
%>