openwfeaction.java

一个工作流设计及定义的系统,可以直接与数据库结合进行系统工作流程的定义及应用.

/*
 * Copyright (c) 2005, 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: OpenWfeAction.java,v 1.11 2005/05/17 16:41:01 jmettraux Exp $
 */

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

package openwfe.org.webclient.actions;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts.action.Action;
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 openwfe.org.input.InputHelper;
import openwfe.org.webclient.Definitions;


/**
 * just a 'tag' class actually...
 *
 * <p><font size=2>CVS Info :
 * <br>$Author: jmettraux $
 * <br>$Date: 2005/05/17 16:41:01 $
 * <br>$Id: OpenWfeAction.java,v 1.11 2005/05/17 16:41:01 jmettraux Exp $ </font>
 *
 * @author [e-mail]
 */
public abstract class OpenWfeAction

    extends Action

{

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

    //
    // CONSTANTS (definitions)

    //
    // FIELDS

    //
    // CONSTRUCTORS

    //
    // METHODS

    protected ActionForward handleException
        (final ActionMapping mapping,
         final HttpServletRequest req,
         final String contextMessage, 
         final Exception e)
    {
        ActionErrors errors = new ActionErrors();

        log.debug(contextMessage, e);

        errors.add
            (ActionErrors.GLOBAL_ERROR, 
             new ActionError("webclient.error", getErrorMessage(e)));

        saveErrors(req, errors);

        return mapping.findForward(Definitions.FAILURE);
    }

    //
    // STATIC METHODS


    private static void getErrorMessage 
        (final StringBuffer sb, final Throwable t)
    {
        if (t == null) return;

        sb.append(openwfe.org.net.WebUtils.neutralize(t.toString()));
        //sb.append("\n");
        sb.append("<br>\n");

        getErrorMessage(sb, t.getCause());
    }

    protected static String getErrorMessage (final Exception e)
    {
        StringBuffer sb = new StringBuffer();

        getErrorMessage(sb, e);

        return sb.toString();
    }

}