001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.shopping.action;
016    
017    import com.liferay.portal.kernel.servlet.SessionErrors;
018    import com.liferay.portal.security.auth.PrincipalException;
019    import com.liferay.portal.struts.PortletAction;
020    import com.liferay.portlet.shopping.NoSuchCategoryException;
021    
022    import javax.portlet.PortletConfig;
023    import javax.portlet.RenderRequest;
024    import javax.portlet.RenderResponse;
025    
026    import org.apache.struts.action.ActionForm;
027    import org.apache.struts.action.ActionForward;
028    import org.apache.struts.action.ActionMapping;
029    
030    /**
031     * @author Brian Wing Shun Chan
032     */
033    public class ViewAction extends PortletAction {
034    
035            @Override
036            public ActionForward render(
037                            ActionMapping actionMapping, ActionForm actionForm,
038                            PortletConfig portletConfig, RenderRequest renderRequest,
039                            RenderResponse renderResponse)
040                    throws Exception {
041    
042                    try {
043                            ActionUtil.getCategory(renderRequest);
044                    }
045                    catch (Exception e) {
046                            if (e instanceof NoSuchCategoryException ||
047                                    e instanceof PrincipalException) {
048    
049                                    SessionErrors.add(renderRequest, e.getClass());
050    
051                                    return actionMapping.findForward("portlet.shopping.error");
052                            }
053                            else {
054                                    throw e;
055                            }
056                    }
057    
058                    return actionMapping.findForward("portlet.shopping.view");
059            }
060    
061    }