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.GetterUtil;
019    import com.liferay.portal.kernel.util.ParamUtil;
020    import com.liferay.portal.kernel.util.PrefsParamUtil;
021    import com.liferay.portal.kernel.util.Validator;
022    import com.liferay.portal.kernel.workflow.WorkflowConstants;
023    import com.liferay.portal.theme.ThemeDisplay;
024    import com.liferay.portal.util.WebKeys;
025    import com.liferay.portlet.journal.model.JournalArticle;
026    import com.liferay.portlet.journal.model.JournalArticleDisplay;
027    import com.liferay.portlet.journal.service.JournalArticleLocalServiceUtil;
028    import com.liferay.portlet.journalcontent.util.JournalContentUtil;
029    import com.liferay.util.portlet.PortletRequestUtil;
030    
031    import javax.portlet.PortletConfig;
032    import javax.portlet.PortletPreferences;
033    import javax.portlet.RenderRequest;
034    import javax.portlet.RenderResponse;
035    
036    import org.apache.struts.action.ActionForm;
037    import org.apache.struts.action.ActionForward;
038    import org.apache.struts.action.ActionMapping;
039    
040    /**
041     * @author Brian Wing Shun Chan
042     * @author Raymond Aug??
043     */
044    public class ViewAction extends WebContentAction {
045    
046            @Override
047            public ActionForward render(
048                            ActionMapping actionMapping, ActionForm actionForm,
049                            PortletConfig portletConfig, RenderRequest renderRequest,
050                            RenderResponse renderResponse)
051                    throws Exception {
052    
053                    PortletPreferences portletPreferences = renderRequest.getPreferences();
054    
055                    ThemeDisplay themeDisplay = (ThemeDisplay)renderRequest.getAttribute(
056                            WebKeys.THEME_DISPLAY);
057    
058                    long articleGroupId = ParamUtil.getLong(
059                            renderRequest, "articleGroupId");
060    
061                    if (articleGroupId <= 0) {
062                            articleGroupId = GetterUtil.getLong(
063                                    portletPreferences.getValue(
064                                            "groupId", String.valueOf(themeDisplay.getScopeGroupId())));
065                    }
066    
067                    String articleId = PrefsParamUtil.getString(
068                            portletPreferences, renderRequest, "articleId");
069                    String ddmTemplateKey = PrefsParamUtil.getString(
070                            portletPreferences, renderRequest, "ddmTemplateKey");
071    
072                    String viewMode = ParamUtil.getString(renderRequest, "viewMode");
073                    String languageId = LanguageUtil.getLanguageId(renderRequest);
074                    int page = ParamUtil.getInteger(renderRequest, "page", 1);
075                    String xmlRequest = PortletRequestUtil.toXML(
076                            renderRequest, renderResponse);
077    
078                    JournalArticle article = null;
079                    JournalArticleDisplay articleDisplay = null;
080    
081                    if ((articleGroupId > 0) && Validator.isNotNull(articleId)) {
082                            article = JournalArticleLocalServiceUtil.fetchLatestArticle(
083                                    articleGroupId, articleId, WorkflowConstants.STATUS_APPROVED);
084    
085                            try {
086                                    if (article == null) {
087                                            article = JournalArticleLocalServiceUtil.getLatestArticle(
088                                                    articleGroupId, articleId,
089                                                    WorkflowConstants.STATUS_ANY);
090                                    }
091    
092                                    double version = article.getVersion();
093    
094                                    articleDisplay = JournalContentUtil.getDisplay(
095                                            articleGroupId, articleId, version, ddmTemplateKey,
096                                            viewMode, languageId, themeDisplay, page, xmlRequest);
097                            }
098                            catch (Exception e) {
099                                    renderRequest.removeAttribute(WebKeys.JOURNAL_ARTICLE);
100    
101                                    articleDisplay = JournalContentUtil.getDisplay(
102                                            articleGroupId, articleId, ddmTemplateKey, viewMode,
103                                            languageId, themeDisplay, page, xmlRequest);
104                            }
105                    }
106    
107                    if (article != null) {
108                            renderRequest.setAttribute(WebKeys.JOURNAL_ARTICLE, article);
109                    }
110    
111                    if (articleDisplay != null) {
112                            renderRequest.setAttribute(
113                                    WebKeys.JOURNAL_ARTICLE_DISPLAY, articleDisplay);
114                    }
115                    else {
116                            renderRequest.removeAttribute(WebKeys.JOURNAL_ARTICLE_DISPLAY);
117                    }
118    
119                    return actionMapping.findForward("portlet.journal_content.view");
120            }
121    
122    }