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.journalcontent.action;
016    
017    import com.liferay.portal.kernel.language.LanguageUtil;
018    import com.liferay.portal.kernel.util.ParamUtil;
019    import com.liferay.portal.kernel.util.PrefsParamUtil;
020    import com.liferay.portal.kernel.util.Validator;
021    import com.liferay.portal.theme.ThemeDisplay;
022    import com.liferay.portal.util.WebKeys;
023    import com.liferay.portlet.journal.model.JournalArticle;
024    import com.liferay.portlet.journal.model.JournalArticleDisplay;
025    import com.liferay.portlet.journal.service.JournalArticleLocalServiceUtil;
026    import com.liferay.portlet.journalcontent.util.JournalContentUtil;
027    import com.liferay.util.portlet.PortletRequestUtil;
028    
029    import javax.portlet.PortletConfig;
030    import javax.portlet.PortletPreferences;
031    import javax.portlet.RenderRequest;
032    import javax.portlet.RenderResponse;
033    
034    import org.apache.struts.action.ActionForm;
035    import org.apache.struts.action.ActionForward;
036    import org.apache.struts.action.ActionMapping;
037    
038    /**
039     * @author Brian Wing Shun Chan
040     * @author Raymond Aug??
041     */
042    public class ViewAction extends WebContentAction {
043    
044            @Override
045            public ActionForward render(
046                            ActionMapping actionMapping, ActionForm actionForm,
047                            PortletConfig portletConfig, RenderRequest renderRequest,
048                            RenderResponse renderResponse)
049                    throws Exception {
050    
051                    PortletPreferences portletPreferences = renderRequest.getPreferences();
052    
053                    ThemeDisplay themeDisplay = (ThemeDisplay)renderRequest.getAttribute(
054                            WebKeys.THEME_DISPLAY);
055    
056                    long articleGroupId = PrefsParamUtil.getLong(
057                            portletPreferences, renderRequest, "groupId",
058                            themeDisplay.getScopeGroupId());
059    
060                    String articleId = PrefsParamUtil.getString(
061                            portletPreferences, renderRequest, "articleId");
062                    String ddmTemplateKey = PrefsParamUtil.getString(
063                            portletPreferences, renderRequest, "ddmTemplateKey");
064    
065                    String viewMode = ParamUtil.getString(renderRequest, "viewMode");
066                    String languageId = LanguageUtil.getLanguageId(renderRequest);
067                    int page = ParamUtil.getInteger(renderRequest, "page", 1);
068                    String xmlRequest = PortletRequestUtil.toXML(
069                            renderRequest, renderResponse);
070    
071                    JournalArticle article = null;
072                    JournalArticleDisplay articleDisplay = null;
073    
074                    if ((articleGroupId > 0) && Validator.isNotNull(articleId)) {
075                            try {
076                                    article = JournalArticleLocalServiceUtil.getArticle(
077                                            articleGroupId, articleId);
078    
079                                    double version = article.getVersion();
080    
081                                    articleDisplay = JournalContentUtil.getDisplay(
082                                            articleGroupId, articleId, version, ddmTemplateKey,
083                                            viewMode, languageId, themeDisplay, page, xmlRequest);
084                            }
085                            catch (Exception e) {
086                                    renderRequest.removeAttribute(WebKeys.JOURNAL_ARTICLE);
087    
088                                    articleDisplay = JournalContentUtil.getDisplay(
089                                            articleGroupId, articleId, ddmTemplateKey, viewMode,
090                                            languageId, themeDisplay, page, xmlRequest);
091                            }
092                    }
093    
094                    if (article != null) {
095                            renderRequest.setAttribute(WebKeys.JOURNAL_ARTICLE, article);
096                    }
097    
098                    if (articleDisplay != null) {
099                            renderRequest.setAttribute(
100                                    WebKeys.JOURNAL_ARTICLE_DISPLAY, articleDisplay);
101                    }
102                    else {
103                            renderRequest.removeAttribute(WebKeys.JOURNAL_ARTICLE_DISPLAY);
104                    }
105    
106                    return actionMapping.findForward("portlet.journal_content.view");
107            }
108    
109    }