385 lines
13 KiB
Java
385 lines
13 KiB
Java
/*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
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*
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* Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
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* WARRANTY OF ANY KIND, either express or implied. See the License for the specific
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* language governing rights and limitations under the License.
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*
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* The Original Code is the Venice Web Communities System.
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*
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* The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
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* for Silverwrist Design Studios. Portions created by Eric J. Bowersox are
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* Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios. All Rights Reserved.
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*
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* Contributor(s):
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*/
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package com.silverwrist.venice.servlets;
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import java.io.*;
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import javax.servlet.*;
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import javax.servlet.http.*;
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import org.apache.log4j.*;
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import com.silverwrist.venice.ValidationException;
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import com.silverwrist.venice.core.*;
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import com.silverwrist.venice.servlets.format.*;
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public class SIGOperations extends VeniceServlet
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{
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/*--------------------------------------------------------------------------------
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* Static data members
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*--------------------------------------------------------------------------------
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*/
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private static final String UNJOIN_CONFIRM_ATTR = "servlets.SIGOperations.unjoin.confirm";
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private static final String UNJOIN_CONFIRM_PARAM = "confirm";
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private static Category logger = Category.getInstance(SIGOperations.class.getName());
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/*--------------------------------------------------------------------------------
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* Internal functions
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*--------------------------------------------------------------------------------
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*/
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private JoinKeyDialog makeJoinKeyDialog()
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{
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final String desired_name = "JoinKeyDialog";
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DialogCache cache = DialogCache.getDialogCache(getServletContext());
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if (!(cache.isCached(desired_name)))
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{ // create a template and save it off
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JoinKeyDialog template = new JoinKeyDialog();
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cache.saveTemplate(template);
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} // end if
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// return a new copy
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return (JoinKeyDialog)(cache.getNewDialog(desired_name));
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} // end makeJoinKeyDialog
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private CreateSIGDialog makeCreateSIGDialog() throws ServletException
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{
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final String desired_name = "CreateSIGDialog";
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DialogCache cache = DialogCache.getDialogCache(getServletContext());
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if (!(cache.isCached(desired_name)))
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{ // create a template and save it off
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CreateSIGDialog template = new CreateSIGDialog(getCountryList(),getLanguageList());
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cache.saveTemplate(template);
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} // end if
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// return a new copy
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return (CreateSIGDialog)(cache.getNewDialog(desired_name));
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} // end makeCreateSIGDialog
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/*--------------------------------------------------------------------------------
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* Overrides from class HttpServlet
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*--------------------------------------------------------------------------------
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*/
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public String getServletInfo()
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{
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String rc = "SIGOperations servlet - General SIG operations (join, unjoin, etc.)\n"
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+ "Part of the Venice Web Communities System\n";
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return rc;
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} // end getServletInfo
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/*--------------------------------------------------------------------------------
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* Overrides from class VeniceServlet
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*--------------------------------------------------------------------------------
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*/
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protected VeniceContent doVeniceGet(HttpServletRequest request, VeniceEngine engine,
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UserContext user, RenderData rdat)
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throws ServletException, IOException, VeniceServletResult
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{
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// get the command we want to use
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String cmd = getStandardCommandParam(request);
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setMyLocation(request,"sigops?" + request.getQueryString());
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if (cmd.equals("J"))
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{ // "J" = "Join" (requires SIG parameter)
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SIGContext sig = getSIGParameter(request,user,true,"top");
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if (!(sig.canJoin())) // not permitted to join!
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return new ErrorBox("SIG Error","You are not permitted to join this SIG.","top");
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if (sig.isPublicSIG())
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{ // attempt to join right now! (no join key required)
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try
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{ // call down to join the SIG
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sig.join(null);
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// success! display the "welcome" page
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clearMenu(request); // force the clear to regen the menus
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changeMenuSIG(request,sig);
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return new SIGWelcome(sig);
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} // end try
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catch (AccessError ae)
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{ // access error
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return new ErrorBox("Access Error","Unable to join SIG: " + ae.getMessage(),"top");
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} // end catch
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catch (DataException de)
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{ // data exception doing something
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return new ErrorBox("Database Error","Database error joining SIG: " + de.getMessage(),"top");
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} // end catch
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} // end if (public SIG)
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else
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{ // we need to prompt them for the join key....
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JoinKeyDialog dlg = makeJoinKeyDialog();
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dlg.setupDialog(sig);
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changeMenuSIG(request,sig);
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return dlg;
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} // end else (private SIG)
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} // end if ("J" command)
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if (cmd.equals("U"))
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{ // "U" = "Unjoin (requires SIG parameter)
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SIGContext sig = getSIGParameter(request,user,true,"top");
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if (!(sig.canUnjoin()))
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return new ErrorBox("SIG Error","You cannot unjoin this SIG.","top");
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// OK, let's test for a confirmation...
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if (ConfirmBox.isConfirmed(request,UNJOIN_CONFIRM_ATTR,UNJOIN_CONFIRM_PARAM))
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{ // OK, if you say so, let's unjoin!
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try
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{ // do the unjoin now...
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sig.unjoin();
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} // end try
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catch (AccessError ae)
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{ // access error
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return new ErrorBox("Access Error","Unable to unjoin SIG: " + ae.getMessage(),"top");
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} // end catch
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catch (DataException de)
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{ // data exception doing something
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return new ErrorBox("Database Error","Database error unjoining SIG: " + de.getMessage(),"top");
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} // end catch
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// after which, redirect back to the top
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clearMenu(request);
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throw new RedirectResult("top");
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} // end if
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else
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{ // not a proper confirmation - display the confirm box
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String message = "Are you sure you want to unjoin the '" + sig.getName() + "' SIG?";
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return new ConfirmBox(request,UNJOIN_CONFIRM_ATTR,UNJOIN_CONFIRM_PARAM,"Unjoining SIG",
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message,"sigops?cmd=U&sig=" + sig.getSIGID(),"sig/" + sig.getAlias());
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} // end else
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} // end if ("U" command)
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if (cmd.equals("C"))
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{ // "C" - Create SIG (no parameters)
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if (!(user.canCreateSIG()))
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return new ErrorBox("SIG Error","You are not permitted to create SIGs.","top");
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// present the "Create New SIG" dialog
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CreateSIGDialog dlg = makeCreateSIGDialog();
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dlg.setupDialog(engine);
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dlg.setFieldValue("language","en-US");
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dlg.setFieldValue("country","US");
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changeMenuTop(request);
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return dlg;
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} // end if ("C" command)
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if (cmd.equals("I"))
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{ // "I" - Send Invitation (requires SIG parameter)
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SIGContext sig = getSIGParameter(request,user,true,"top");
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if (!(sig.canSendInvitation()))
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return new ErrorBox("SIG Error","You are not permitted to send an invitation.",
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"sig/" + sig.getAlias());
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// present the "Invitation" dialog
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return new Invitation(sig);
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} // end if ("I" command)
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// this is an error!
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logger.error("invalid command to SIGOperations.doGet: " + cmd);
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return new ErrorBox("Internal Error","Invalid command to SIGOperations.doGet","top");
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} // end doVeniceGet
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protected VeniceContent doVenicePost(HttpServletRequest request, VeniceEngine engine,
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UserContext user, RenderData rdat)
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throws ServletException, IOException, VeniceServletResult
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{
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// get the command we want to use
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String cmd = getStandardCommandParam(request);
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setMyLocation(request,"sigops?cmd=" + cmd);
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if (cmd.equals("J"))
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{ // "J" = Join SIG (requires SIG parameter)
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SIGContext sig = getSIGParameter(request,user,true,"top");
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JoinKeyDialog dlg = makeJoinKeyDialog();
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if (dlg.isButtonClicked(request,"cancel")) // cancel - go back to SIG opening page
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throw new RedirectResult("sig/" + sig.getAlias());
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if (!(sig.canJoin())) // not permitted to join!
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return new ErrorBox("SIG Error","You are not permitted to join this SIG.","top");
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if (dlg.isButtonClicked(request,"join"))
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{ // OK, go join the SIG
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dlg.loadValues(request); // load the dialog
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try
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{ // attempt to join the SIG!
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dlg.doDialog(sig);
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// success! display the "welcome" page
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clearMenu(request); // force the clear to regen the menus
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changeMenuSIG(request,sig);
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return new SIGWelcome(sig);
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} // end try
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catch (ValidationException ve)
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{ // here, a validation exception causes us to recycle and retry
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dlg.resetOnError(ve.getMessage() + " Please try again.");
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changeMenuSIG(request,sig);
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} // end catch
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catch (AccessError ae)
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{ // this is probably a bogus key - let them retry
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dlg.resetOnError(ae.getMessage() + " Please try again.");
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changeMenuSIG(request,sig);
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} // end catch
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catch (DataException de)
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{ // database error joining something
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return new ErrorBox("Database Error","Database error joining SIG: " + de.getMessage(),"top");
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} // end catch
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return dlg; // recycle and try aagin
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} // end if ("join" clicked)
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// error - don't know what button was clicked
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logger.error("no known button click on SIGOperations.doPost, cmd=J");
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return new ErrorBox("Internal Error","Unknown command button pressed","top");
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} // end if ("J" command)
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if (cmd.equals("C"))
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{ // "C" = Create New SIG
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if (!(user.canCreateSIG()))
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return new ErrorBox("SIG Error","You are not permitted to create SIGs.","top");
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// load the "Create SIG" dialog
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CreateSIGDialog dlg = makeCreateSIGDialog();
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dlg.setupDialog(engine);
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if (dlg.isButtonClicked(request,"cancel")) // cancel - go back to top
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throw new RedirectResult("top");
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if (dlg.isButtonClicked(request,"create"))
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{ // OK, they actually want to create the new SIG...
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dlg.loadValues(request); // load the form data
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try
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{ // attempt to create the SIG!
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SIGContext sig = dlg.doDialog(user);
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// created successfully - display a "new SIG welcome" page
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changeMenuSIG(request,sig); // display menus for the first time!
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return new NewSIGWelcome(sig);
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} // end try
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catch (ValidationException ve)
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{ // here, a validation exception causes us to recycle and retry
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dlg.resetOnError(ve.getMessage() + " Please try again.");
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changeMenuTop(request);
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} // end catch
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catch (AccessError ae)
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{ // this is probably a bogus key - let them retry
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dlg.resetOnError(ae.getMessage() + " Please try again.");
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changeMenuTop(request);
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} // end catch
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catch (DataException de)
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{ // database error doing something
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return new ErrorBox("Database Error","Database error creating SIG: " + de.getMessage(),"top");
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} // end catch
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return dlg; // put the dialog back up
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} // end if ("create" pressed)
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// error - don't know what button was clicked
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logger.error("no known button click on SIGOperations.doPost, cmd=C");
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return new ErrorBox("Internal Error","Unknown command button pressed","top");
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} // end if ("C" command)
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if (cmd.equals("I"))
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{ // "I" = Send invitation (requires SIG parameter)
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SIGContext sig = getSIGParameter(request,user,true,"top");
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String on_error = "sig/" + sig.getAlias();
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if (isImageButtonClicked(request,"cancel")) // cancel - go back to SIG opening page
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throw new RedirectResult(on_error);
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if (isImageButtonClicked(request,"send"))
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{ // the "send" button was pressed
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try
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{ // send out the invitation
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sig.sendInvitation(request.getParameter("addr"),request.getParameter("pb"));
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} // end try
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catch (AccessError ae)
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{ // access error - display error box
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return new ErrorBox("Access Error",ae.getMessage(),on_error);
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} // end catch
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catch (DataException de)
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{ // database error doing something
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return new ErrorBox("Database Error","Database error creating SIG: " + de.getMessage(),on_error);
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} // end catch
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catch (EmailException ee)
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{ // error sending the email message
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return new ErrorBox("E-Mail Error","Error sending e-mail: " + ee.getMessage(),on_error);
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} // end catch
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// all sent - go back to SIG profile display
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throw new RedirectResult(on_error);
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} // end if ("send" pressed)
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// error - don't know what button was clicked
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logger.error("no known button click on SIGOperations.doPost, cmd=I");
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return new ErrorBox("Internal Error","Unknown command button pressed",on_error);
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} // end if ("I" command)
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// this is an error!
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logger.error("invalid command to SIGOperations.doPost: " + cmd);
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return new ErrorBox("Internal Error","Invalid command to SIGOperations.doPost","top");
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} // end doVenicePost
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} // end class SIGOperations
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