com.liferay.portlet.journal.action.ViewArticleContentAction.java Source code

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Here is the source code for com.liferay.portlet.journal.action.ViewArticleContentAction.java

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/**
 * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portlet.journal.action;

import com.liferay.portal.kernel.language.LanguageUtil;
import com.liferay.portal.kernel.upload.UploadServletRequest;
import com.liferay.portal.kernel.util.Constants;
import com.liferay.portal.kernel.util.FileUtil;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.kernel.xml.Element;
import com.liferay.portal.service.ImageLocalServiceUtil;
import com.liferay.portal.theme.ThemeDisplay;
import com.liferay.portal.util.PortalUtil;
import com.liferay.portal.util.WebKeys;
import com.liferay.portal.webserver.WebServerServletTokenUtil;
import com.liferay.portlet.journal.model.JournalArticle;
import com.liferay.portlet.journal.model.JournalArticleConstants;
import com.liferay.portlet.journal.service.JournalArticleImageLocalServiceUtil;
import com.liferay.portlet.journal.service.JournalArticleLocalServiceUtil;
import com.liferay.portlet.journal.service.JournalArticleServiceUtil;

import java.io.File;

import java.util.Iterator;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

/**
 * @author Brian Wing Shun Chan
 * @author Raymond Aug
 */
public class ViewArticleContentAction extends Action {

    @Override
    public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
            HttpServletResponse response) throws Exception {

        try {
            String cmd = ParamUtil.getString(request, Constants.CMD);

            ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY);

            long groupId = ParamUtil.getLong(request, "groupId");
            String articleId = ParamUtil.getString(request, "articleId");
            double version = ParamUtil.getDouble(request, "version", JournalArticleConstants.VERSION_DEFAULT);

            String languageId = LanguageUtil.getLanguageId(request);

            String output = null;

            if (cmd.equals(Constants.PREVIEW)) {
                JournalArticle article = JournalArticleServiceUtil.getArticle(groupId, articleId, version);

                output = JournalArticleLocalServiceUtil.getArticleContent(article, article.getTemplateId(), null,
                        languageId, themeDisplay);
            } else {
                output = JournalArticleServiceUtil.getArticleContent(groupId, articleId, version, languageId,
                        themeDisplay);
            }

            request.setAttribute(WebKeys.JOURNAL_ARTICLE_CONTENT, output);

            if (output.startsWith("<?xml ")) {
                return mapping.findForward("portlet.journal.raw_article_content");
            } else {
                return mapping.findForward("portlet.journal.view_article_content");
            }
        } catch (Exception e) {
            PortalUtil.sendError(e, request, response);

            return null;
        }
    }

    protected void format(long groupId, String articleId, double version, String previewArticleId, Element root,
            UploadServletRequest uploadServletRequest) throws Exception {

        Iterator<Element> itr = root.elements().iterator();

        while (itr.hasNext()) {
            Element el = itr.next();

            Element dynamicContent = el.element("dynamic-content");

            String elInstanceId = el.attributeValue("instance-id", StringPool.BLANK);
            String elName = el.attributeValue("name", StringPool.BLANK);
            String elType = el.attributeValue("type", StringPool.BLANK);
            String elContent = StringPool.BLANK;
            String elLanguage = StringPool.BLANK;

            if (dynamicContent != null) {
                elContent = dynamicContent.getTextTrim();

                elLanguage = dynamicContent.attributeValue("language-id", StringPool.BLANK);

                if (!elLanguage.equals(StringPool.BLANK)) {
                    elLanguage = "_" + elLanguage;
                }
            }

            if (elType.equals("image") && Validator.isNull(elContent)) {
                File file = uploadServletRequest.getFile("structure_image_" + elName + elLanguage);
                byte[] bytes = FileUtil.getBytes(file);

                if ((bytes != null) && (bytes.length > 0)) {
                    long imageId = JournalArticleImageLocalServiceUtil.getArticleImageId(groupId, previewArticleId,
                            version, elInstanceId, elName, elLanguage, true);

                    String token = WebServerServletTokenUtil.getToken(imageId);

                    dynamicContent.setText("/image/journal/article?img_id=" + imageId + "&t=" + token);

                    ImageLocalServiceUtil.updateImage(imageId, bytes);
                } else {
                    if (Validator.isNotNull(articleId)) {
                        long imageId = JournalArticleImageLocalServiceUtil.getArticleImageId(groupId, articleId,
                                version, elInstanceId, elName, elLanguage);

                        String token = WebServerServletTokenUtil.getToken(imageId);

                        dynamicContent.setText("/image/journal/article?img_id=" + imageId + "&t=" + token);
                    }
                }
            }

            format(groupId, articleId, version, previewArticleId, el, uploadServletRequest);
        }
    }

}