com.liferay.knowledgebase.display.search.KBArticleSearch.java Source code

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Here is the source code for com.liferay.knowledgebase.display.search.KBArticleSearch.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.knowledgebase.display.search;

import com.liferay.knowledgebase.model.KBArticle;
import com.liferay.knowledgebase.util.KnowledgeBaseUtil;
import com.liferay.knowledgebase.util.PortletKeys;
import com.liferay.portal.kernel.dao.search.DisplayTerms;
import com.liferay.portal.kernel.dao.search.SearchContainer;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.util.OrderByComparator;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portlet.PortalPreferences;
import com.liferay.portlet.PortletPreferencesFactoryUtil;

import javax.portlet.PortletPreferences;
import javax.portlet.PortletRequest;
import javax.portlet.PortletURL;

/**
 * @author Peter Shin
 * @author Brian Wing Shun Chan
 */
public class KBArticleSearch extends SearchContainer<KBArticle> {

    public static final String EMPTY_RESULTS_MESSAGE = "no-articles-were-found";

    public KBArticleSearch(PortletRequest portletRequest, PortletURL iteratorURL) {

        super(portletRequest, new DisplayTerms(portletRequest), new DisplayTerms(portletRequest), DEFAULT_CUR_PARAM,
                DEFAULT_DELTA, iteratorURL, null, EMPTY_RESULTS_MESSAGE);

        try {
            PortalPreferences portalPreferences = PortletPreferencesFactoryUtil
                    .getPortalPreferences(portletRequest);

            PortletPreferences portletPreferences = PortletPreferencesFactoryUtil.getPortletSetup(portletRequest);

            String orderByCol = ParamUtil.getString(portletRequest, "orderByCol");
            String orderByType = ParamUtil.getString(portletRequest, "orderByType");

            if (Validator.isNotNull(orderByCol) && Validator.isNotNull(orderByType)) {

                portalPreferences.setValue(PortletKeys.KNOWLEDGE_BASE_DISPLAY, "kb-articles-order-by-col",
                        orderByCol);
                portalPreferences.setValue(PortletKeys.KNOWLEDGE_BASE_DISPLAY, "kb-articles-order-by-type",
                        orderByType);
            } else {
                String portletOrderByCol = portletPreferences.getValue("kbArticlesOrderByCol", StringPool.BLANK);
                String portletOrderByType = portletPreferences.getValue("kbArticlesOrderByType", StringPool.BLANK);

                orderByCol = portalPreferences.getValue(PortletKeys.KNOWLEDGE_BASE_DISPLAY,
                        "kb-articles-order-by-col", portletOrderByCol);
                orderByType = portalPreferences.getValue(PortletKeys.KNOWLEDGE_BASE_DISPLAY,
                        "kb-articles-order-by-type", portletOrderByType);
            }

            OrderByComparator orderByComparator = KnowledgeBaseUtil.getKBArticleOrderByComparator(orderByCol,
                    orderByType);

            setOrderByCol(orderByCol);
            setOrderByType(orderByType);
            setOrderByComparator(orderByComparator);
        } catch (Exception e) {
            _log.error(e);
        }
    }

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

}