001    /**
002     * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
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 mapping, ActionForm form, PortletConfig portletConfig,
039                            RenderRequest renderRequest, RenderResponse renderResponse)
040                    throws Exception {
041    
042                    try {
043                            ActionUtil.getFolder(renderRequest);
044                    }
045                    catch (Exception e) {
046                            if (e instanceof NoSuchFolderException ||
047                                    e instanceof PrincipalException) {
048    
049                                    SessionErrors.add(renderRequest, e.getClass().getName());
050    
051                                    return mapping.findForward(
052                                            "portlet.image_gallery_display.error");
053                            }
054                            else {
055                                    throw e;
056                            }
057                    }
058    
059                    return mapping.findForward("portlet.image_gallery_display.view");
060            }
061    
062    }