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.imagegallerydisplay.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.documentlibrary.NoSuchFolderException;
021    import com.liferay.portlet.documentlibrary.action.ActionUtil;
022    
023    import javax.portlet.PortletConfig;
024    import javax.portlet.RenderRequest;
025    import javax.portlet.RenderResponse;
026    
027    import org.apache.struts.action.ActionForm;
028    import org.apache.struts.action.ActionForward;
029    import org.apache.struts.action.ActionMapping;
030    
031    /**
032     * @author Brian Wing Shun Chan
033     */
034    public class ViewAction extends PortletAction {
035    
036            @Override
037            public ActionForward render(
038                            ActionMapping actionMapping, ActionForm actionForm,
039                            PortletConfig portletConfig, RenderRequest renderRequest,
040                            RenderResponse renderResponse)
041                    throws Exception {
042    
043                    try {
044                            ActionUtil.getFolder(renderRequest);
045                    }
046                    catch (Exception e) {
047                            if (e instanceof NoSuchFolderException ||
048                                    e instanceof PrincipalException) {
049    
050                                    SessionErrors.add(renderRequest, e.getClass());
051    
052                                    return actionMapping.findForward(
053                                            "portlet.image_gallery_display.error");
054                            }
055                            else {
056                                    throw e;
057                            }
058                    }
059    
060                    return actionMapping.findForward("portlet.image_gallery_display.view");
061            }
062    
063    }