de.thorstenberger.taskmodel.view.CommitAction.java Source code

Introduction

Here is the source code for de.thorstenberger.taskmodel.view.CommitAction.java

Source

/*
    
Copyright (C) 2006 Thorsten Berger
    
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
    
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
/**
 * 
 */
package de.thorstenberger.taskmodel.view;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import de.thorstenberger.taskmodel.TaskApiException;
import de.thorstenberger.taskmodel.TaskModelViewDelegate;
import de.thorstenberger.taskmodel.TaskModelViewDelegateObject;
import de.thorstenberger.taskmodel.complex.ComplexTasklet;
import de.thorstenberger.taskmodel.complex.TaskDef_Complex;

/**
 * @author Thorsten Berger
 *
 */
public class CommitAction extends Action {

    Log log = LogFactory.getLog(CommitAction.class);

    /* (non-Javadoc)
     * @see org.apache.struts.action.Action#execute(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
    @Override
    public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
            HttpServletResponse response) throws Exception {

        ActionMessages msgs = new ActionMessages();
        ActionMessages errors = new ActionMessages();

        int page;
        long id;
        try {
            id = Long.parseLong(request.getParameter("id"));
            page = Integer.parseInt(request.getParameter("page") == null ? "1" : request.getParameter("page"));
        } catch (NumberFormatException e) {
            errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("invalid.parameter"));
            saveErrors(request, errors);
            return mapping.findForward("error");
        }

        TaskModelViewDelegateObject delegateObject = (TaskModelViewDelegateObject) TaskModelViewDelegate
                .getDelegateObject(request.getSession().getId(), id);
        if (delegateObject == null) {
            errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("no.session"));
            saveErrors(request, errors);
            return mapping.findForward("error");
        }
        request.setAttribute("ReturnURL", delegateObject.getReturnURL());

        ComplexTasklet ct;

        try {
            ct = (ComplexTasklet) delegateObject.getTasklet();
        } catch (ClassCastException e1) {
            errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("only.complexTasks.supported"));
            saveErrors(request, errors);
            return mapping.findForward("error");
        } catch (TaskApiException e3) {
            errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("misc.error", e3.getMessage()));
            saveErrors(request, errors);
            log.error(e3);
            return mapping.findForward("error");
        }

        SavePageAction.logPostData(request, ct);

        TaskDef_Complex taskDef;
        try {
            taskDef = (TaskDef_Complex) delegateObject.getTaskDef();
        } catch (ClassCastException e2) {
            errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("only.complexTasks.supported"));
            saveErrors(request, errors);
            return mapping.findForward("error");
        } catch (TaskApiException e3) {
            errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("misc.error", e3.getMessage()));
            saveErrors(request, errors);
            log.error(e3);
            return mapping.findForward("error");
        }

        if (!taskDef.isActive()) {
            errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("task.inactive"));
            saveErrors(request, errors);
            return mapping.findForward("error");
        }

        // finally, commit the whole Task
        try {

            ct.submit();

        } catch (IllegalStateException e) {
            errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(e.getMessage()));
            saveErrors(request, errors);
            log.info(e);
            return mapping.findForward("error");
        }

        return mapping.findForward("success");
    }

}