saveitemaction.java

OpenWFE是一个开放源码的Java工作流引擎。它是一个完整的业务处理管理套件：一个引擎

/*
 * Copyright (c) 2001-2006, John Mettraux, OpenWFE.org
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * 
 * . Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.  
 * 
 * . Redistributions in binary form must reproduce the above copyright notice, 
 *   this list of conditions and the following disclaimer in the documentation 
 *   and/or other materials provided with the distribution.
 * 
 * . Neither the name of the "OpenWFE" nor the names of its contributors may be
 *   used to endorse or promote products derived from this software without
 *   specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * $Id: SaveItemAction.java 2908 2006-07-03 11:32:15Z jmettraux $
 */

//
// SaveItemAction.java
//
// [e-mail]
//
// generated with 
// jtmpl 1.0.04 31.10.2002 John Mettraux ([e-mail])
//

package openwfe.org.uman.web.actions;

import java.rmi.Naming;
import java.security.Principal;
import java.security.Permission;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.security.auth.Subject;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.DynaActionForm;
import openwfe.org.auth.Grant;
import openwfe.org.uman.AdminSession;
import openwfe.org.rmi.session.WorkSessionServer;
import openwfe.org.uman.web.Handler;
import openwfe.org.uman.web.FieldSet;
import openwfe.org.uman.web.Definitions;


/**
 * The action thats tries to log a user in
 *
 * <p><font size=2>CVS Info :
 * <br>$Author: jmettraux $
 * <br>$Date: 2006-07-03 13:32:15 +0200 (Mon, 03 Jul 2006) $
 * <br>$Id: SaveItemAction.java 2908 2006-07-03 11:32:15Z jmettraux $ </font>
 *
 * @author [e-mail]
 */
public class SaveItemAction

    extends UmanAction

{

    private final static org.apache.log4j.Logger log = org.apache.log4j.Logger
        .getLogger(SaveItemAction.class.getName());

    //
    // CONSTANTS (definitions)

    public final static String CANCEL = "cancel";

    //
    // FIELDS

    //
    // CONSTRUCTORS

    //
    // METHODS

    public ActionForward execute
        (ActionMapping mapping,
         ActionForm form,
         HttpServletRequest req,
         HttpServletResponse res)
    throws 
        java.lang.Exception
    {

        if (req.getParameter(CANCEL) != null)
            return mapping.findForward(Definitions.SUCCESS);

        ActionErrors errors = new ActionErrors();

        try
        {
            Handler handler = (Handler)req.getSession()
                .getAttribute(Handler.HANDLER);
            Object handledItem = req.getSession()
                .getAttribute(Handler.HANDLED_ITEM);

            handledItem = handler.updateFromRequest(handledItem, req);

            //
            // do something with the handledItem !!!!!

            if (handledItem instanceof Principal)
            {
                Principal principal = (Principal)handledItem;

                //getAdminSession(req).getPrincipals()
                //    .put(principal.getName(), principal);
                getAdminSession(req).getPrincipals().add(principal);

                getAdminSession(req).isModified = true;

                log.debug
                    ("Updated/Added principal '"+principal.getName()+"'");
            }
            else if (handledItem instanceof Grant)
            {
                Grant grant = (Grant)handledItem;

                getAdminSession(req).getGrants()
                    .put(grant.getName(), grant);

                getAdminSession(req).isModified = true;

                log.debug
                    ("Updated/Added grant '"+grant.getName()+"'");
            }
            else if (handledItem instanceof Permission)
            {
                //log.debug ("handling a Permission");

                String grantName = (String)req.getSession()
                    .getAttribute(EditItemAction.GRANT_NAME);
                String permissionKey = (String)req.getSession()
                    .getAttribute(EditItemAction.PERMISSION_KEY);

                Permission permission = (Permission)handledItem;

                getAdminSession(req).replacePermission
                    (grantName, permissionKey, permission);

                req.getSession().removeAttribute(EditItemAction.GRANT_NAME);
                req.getSession().removeAttribute(EditItemAction.PERMISSION_KEY);

                log.debug
                    ("Updated/Added permission '"+permission+"'");
            }
            else
            {
                log.warn
                    ("cannot handle instance of "+
                     handledItem.getClass().getName());
            }

            //
            // and finally

            req.getSession().removeAttribute(Handler.HANDLER);
            req.getSession().removeAttribute(Handler.HANDLED_ITEM);

            FieldSet.removeFieldSet(req);

        }
        catch (Exception e)
        {
            log.info("Error", e);

            errors.add
                (ActionErrors.GLOBAL_ERROR, 
                 new ActionError("wuman.error", ""+e.getMessage()));

            saveErrors(req, errors);
            return mapping.findForward(Definitions.FAILURE);
        }

        return mapping.findForward(Definitions.SUCCESS);
    }

}