/*******************************************************************************
* ***** BEGIN LICENSE BLOCK Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* The Original Code is the OpenCustomer CRM.
*
* The Initial Developer of the Original Code is Thomas Bader (Bader & Jene
* Software-Ingenieurb�ro). Portions created by the Initial Developer are
* Copyright (C) 2005 the Initial Developer. All Rights Reserved.
*
* Contributor(s): Thomas Bader <thomas.bader@bader-jene.de>
*
* ***** END LICENSE BLOCK *****
*/
package org.opencustomer.webapp.action;
import java.io.IOException;
import java.util.Hashtable;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
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 org.opencustomer.db.EntityAccessUtility;
import org.opencustomer.db.vo.system.UserVO;
import org.opencustomer.framework.db.vo.AdminAccess;
import org.opencustomer.framework.db.vo.EntityAccess;
import org.opencustomer.framework.webapp.panel.EditPanel;
import org.opencustomer.framework.webapp.panel.Panel;
import org.opencustomer.framework.webapp.panel.PanelStack;
import org.opencustomer.framework.webapp.struts.Action;
import org.opencustomer.webapp.Globals;
public abstract class EditLoadAction<E extends EditLoadForm> extends Action<E>
{
private final static Logger log = Logger.getLogger(EditLoadAction.class);
@Override
public final ActionForward execute(ActionMapping mapping, E form, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException
{
UserVO user = (UserVO)request.getSession().getAttribute(Globals.USER_KEY);
ActionMessages errors = new ActionMessages();
Hashtable<String, Object> attributes = new Hashtable<String, Object>();
preOperation(errors, form, attributes, request, response);
if(form != null && form.getId() == 0) {
if (log.isDebugEnabled())
log.debug("create entity");
createEntity(errors, form, attributes, request, response);
} else {
if (log.isDebugEnabled())
log.debug("load entity");
loadEntity(errors, form, attributes, request, response);
}
loadEnvironment(errors, form, attributes, request, response);
EditPanel panel = createPanel(errors, form, attributes, request, response);
for(String name : attributes.keySet())
panel.setAttribute(name, attributes.get(name));
panel.setEditable(isEditable(panel, request));
if(!validateAccess(request, panel))
errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("default.error.invalidEntity", panel.getEntity().getId()));
PanelStack panelStack = Panel.getPanelStack(request);
panelStack.push(panel);
if(!errors.isEmpty())
{
this.saveErrors(request, errors);
Panel.getPanelStack(request).pop();
return Panel.getForward(Panel.getPanelStack(request).peek().getPath(), request);
}
else
return Panel.getForward(panel.getActivePage().getAction(), request);
}
public void preOperation(ActionMessages errors, E form, Hashtable<String, Object> attributes, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
}
public void loadEnvironment(ActionMessages errors, E form, Hashtable<String, Object> attributes, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
}
public abstract void loadEntity(ActionMessages errors, E form, Hashtable<String, Object> attributes, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException;
public abstract void createEntity(ActionMessages errors, E form, Hashtable<String, Object> attributes,HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException;
public abstract EditPanel createPanel(ActionMessages errors, E form, Hashtable<String, Object> attributes, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException;
protected boolean validateAccess(HttpServletRequest request, EditPanel panel) {
if(panel.getEntity() instanceof EntityAccess) {
UserVO user = (UserVO)request.getSession().getAttribute(Globals.USER_KEY);
if(!user.getProfile().getRole().isAdmin()
&& panel.getEntity() instanceof AdminAccess
&& ((AdminAccess)panel.getEntity()).isAdmin()) {
return false;
}
return EntityAccessUtility.isAccessGranted(user, (EntityAccess)panel.getEntity(), EntityAccess.Access.READ);
} else {
return true;
}
}
protected boolean isEditable(EditPanel panel, HttpServletRequest request) {
return EditPanel.checkEditable(request, panel);
}
}