001    /**
002     * Copyright (c) 2000-2012 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.kernel.util.ParamUtil;
019    import com.liferay.portal.security.auth.PrincipalException;
020    import com.liferay.portal.struts.PortletAction;
021    import com.liferay.portal.util.WebKeys;
022    import com.liferay.portlet.shopping.NoSuchCouponException;
023    import com.liferay.portlet.shopping.model.ShoppingCoupon;
024    import com.liferay.portlet.shopping.service.ShoppingCouponLocalServiceUtil;
025    
026    import javax.portlet.PortletConfig;
027    import javax.portlet.RenderRequest;
028    import javax.portlet.RenderResponse;
029    
030    import org.apache.struts.action.ActionForm;
031    import org.apache.struts.action.ActionForward;
032    import org.apache.struts.action.ActionMapping;
033    
034    /**
035     * @author Brian Wing Shun Chan
036     */
037    public class ViewCouponAction extends PortletAction {
038    
039            @Override
040            public ActionForward render(
041                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
042                            RenderRequest renderRequest, RenderResponse renderResponse)
043                    throws Exception {
044    
045                    try {
046                            long couponId = ParamUtil.getLong(renderRequest, "couponId");
047    
048                            String code = ParamUtil.getString(renderRequest, "code");
049    
050                            ShoppingCoupon coupon = null;
051    
052                            if (couponId > 0) {
053                                    coupon = ShoppingCouponLocalServiceUtil.getCoupon(couponId);
054                            }
055                            else {
056                                    coupon = ShoppingCouponLocalServiceUtil.getCoupon(code);
057                            }
058    
059                            renderRequest.setAttribute(WebKeys.SHOPPING_COUPON, coupon);
060                    }
061                    catch (Exception e) {
062                            if (e instanceof NoSuchCouponException ||
063                                    e instanceof PrincipalException) {
064    
065                                    SessionErrors.add(renderRequest, e.getClass().getName());
066    
067                                    return mapping.findForward("portlet.shopping.error");
068                            }
069                            else {
070                                    throw e;
071                            }
072                    }
073    
074                    return mapping.findForward("portlet.shopping.view_coupon");
075            }
076    
077    }