com.liferay.wiki.web.internal.portlet.action.AutocompletePageTitleMVCResourceCommand.java Source code

Introduction

Here is the source code for com.liferay.wiki.web.internal.portlet.action.AutocompletePageTitleMVCResourceCommand.java

Source

/**
 * Copyright (c) 2000-present 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.wiki.web.internal.portlet.action;

import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.json.JSONArray;
import com.liferay.portal.kernel.json.JSONFactoryUtil;
import com.liferay.portal.kernel.json.JSONObject;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.portlet.bridges.mvc.BaseMVCResourceCommand;
import com.liferay.portal.kernel.portlet.bridges.mvc.MVCResourceCommand;
import com.liferay.portal.kernel.search.Document;
import com.liferay.portal.kernel.search.Field;
import com.liferay.portal.kernel.search.Hits;
import com.liferay.portal.kernel.search.SearchContext;
import com.liferay.portal.kernel.search.SearchContextFactory;
import com.liferay.portal.kernel.servlet.ServletResponseUtil;
import com.liferay.portal.kernel.util.ContentTypes;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.PortalUtil;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.wiki.constants.WikiPortletKeys;
import com.liferay.wiki.search.WikiPageTitleSearcher;

import javax.portlet.PortletException;
import javax.portlet.ResourceRequest;
import javax.portlet.ResourceResponse;

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

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

/**
 * @author Roberto Daz
 */
@Component(property = { "javax.portlet.name=" + WikiPortletKeys.WIKI,
        "javax.portlet.name=" + WikiPortletKeys.WIKI_ADMIN, "javax.portlet.name=" + WikiPortletKeys.WIKI_DISPLAY,
        "mvc.command.name=/wiki/autocomplete_page_title" }, service = MVCResourceCommand.class)
public class AutocompletePageTitleMVCResourceCommand extends BaseMVCResourceCommand {

    @Override
    public void doServeResource(ResourceRequest resourceRequest, ResourceResponse resourceResponse)
            throws PortletException {

        try {
            JSONArray jsonArray = getJSONArray(resourceRequest, resourceResponse);

            HttpServletResponse response = PortalUtil.getHttpServletResponse(resourceResponse);

            response.setContentType(ContentTypes.APPLICATION_JSON);

            ServletResponseUtil.write(response, jsonArray.toString());
        } catch (Exception e) {
            _log.error(e, e);
        }
    }

    @Reference(unbind = "-")
    public void setWikiPageTitleSearcher(WikiPageTitleSearcher wikiPageTitleSearcher) {

        _wikiPageTitleSearcher = wikiPageTitleSearcher;
    }

    protected JSONArray getJSONArray(ResourceRequest resourceRequest, ResourceResponse resourceResponse)
            throws PortalException {

        JSONArray jsonArray = JSONFactoryUtil.createJSONArray();

        HttpServletRequest request = PortalUtil.getHttpServletRequest(resourceRequest);

        SearchContext searchContext = SearchContextFactory.getInstance(request);

        searchContext.setEnd(20);

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

        searchContext.setKeywords(StringUtil.toLowerCase(query));

        long nodeId = ParamUtil.getLong(resourceRequest, "nodeId");

        searchContext.setNodeIds(new long[] { nodeId });

        searchContext.setStart(0);

        Hits hits = _wikiPageTitleSearcher.search(searchContext);

        for (Document document : hits.getDocs()) {
            JSONObject jsonObject = JSONFactoryUtil.createJSONObject();

            jsonObject.put("title", document.get(Field.TITLE));

            jsonArray.put(jsonObject);
        }

        return jsonArray;
    }

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

    private WikiPageTitleSearcher _wikiPageTitleSearcher;

}