com.liferay.portlet.journalcontent.action.UpdateArticleFieldAction.java Source code

Introduction

Here is the source code for com.liferay.portlet.journalcontent.action.UpdateArticleFieldAction.java

Source

/**
 * 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.journalcontent.action;

import com.liferay.portal.kernel.language.LanguageUtil;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.servlet.ServletResponseUtil;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.kernel.xml.Document;
import com.liferay.portal.kernel.xml.Node;
import com.liferay.portal.kernel.xml.SAXReaderUtil;
import com.liferay.portal.util.PortalUtil;
import com.liferay.portlet.dynamicdatamapping.util.DDMXMLUtil;
import com.liferay.portlet.journal.model.JournalArticle;
import com.liferay.portlet.journal.service.JournalArticleLocalServiceUtil;
import com.liferay.portlet.journal.service.JournalArticleServiceUtil;

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
 */
public class UpdateArticleFieldAction extends Action {

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

        try {
            updateArticleField(request, response);

            return null;
        } catch (Exception e) {
            PortalUtil.sendError(e, request, response);

            return null;
        }
    }

    protected void updateArticleField(HttpServletRequest request, HttpServletResponse response) throws Exception {

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

        String containerId = ParamUtil.getString(request, "containerId");

        if (Validator.isNotNull(containerId)) {
            int x = containerId.indexOf("_");
            int y = containerId.lastIndexOf("_");

            if ((x != -1) && (y != -1)) {
                groupId = GetterUtil.getLong(containerId.substring(0, x));
                articleId = containerId.substring(x + 1, y);
                version = GetterUtil.getDouble(containerId.substring(y, containerId.length()));
            }
        }

        String languageId = LanguageUtil.getLanguageId(request);

        String fieldName = ParamUtil.getString(request, "fieldName");
        String fieldData = ParamUtil.getString(request, "fieldData");

        if (fieldName.startsWith("journal-content-field-name-")) {
            fieldName = fieldName.substring(27, fieldName.length());
        }

        JournalArticle article = JournalArticleLocalServiceUtil.getArticle(groupId, articleId, version);

        String content = article.getContent();

        Document doc = SAXReaderUtil.read(content);

        if (_log.isDebugEnabled()) {
            _log.debug("Before\n" + content);
        }

        String path = "/root/dynamic-element[@name='" + fieldName + "']/dynamic-content[@language-id='" + languageId
                + "']";

        Node node = doc.selectSingleNode(path);

        if (node == null) {
            path = "/root/dynamic-element[@name='" + fieldName + "']/dynamic-content";

            node = doc.selectSingleNode(path);
        }

        node.setText(fieldData);

        content = DDMXMLUtil.formatXML(doc);

        if (_log.isDebugEnabled()) {
            _log.debug("After\n" + content);
        }

        JournalArticleServiceUtil.updateContent(groupId, articleId, version, content);

        ServletResponseUtil.write(response, fieldData);
    }

    private static Log _log = LogFactoryUtil.getLog(UpdateArticleFieldAction.class);

}