001    /**
002     * Copyright (c) 2000-2010 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.portal.search;
016    
017    import com.liferay.portal.kernel.log.Log;
018    import com.liferay.portal.kernel.log.LogFactoryUtil;
019    import com.liferay.portal.kernel.search.BaseOpenSearchImpl;
020    import com.liferay.portal.kernel.search.Document;
021    import com.liferay.portal.kernel.search.Field;
022    import com.liferay.portal.kernel.search.Hits;
023    import com.liferay.portal.kernel.search.Indexer;
024    import com.liferay.portal.kernel.search.SearchException;
025    import com.liferay.portal.kernel.search.Summary;
026    import com.liferay.portal.kernel.util.CharPool;
027    import com.liferay.portal.kernel.util.GetterUtil;
028    import com.liferay.portal.kernel.util.InstancePool;
029    import com.liferay.portal.kernel.util.StringBundler;
030    import com.liferay.portal.kernel.util.StringPool;
031    import com.liferay.portal.kernel.util.Validator;
032    import com.liferay.portal.kernel.xml.Element;
033    import com.liferay.portal.model.Layout;
034    import com.liferay.portal.model.Portlet;
035    import com.liferay.portal.service.CompanyLocalServiceUtil;
036    import com.liferay.portal.service.LayoutLocalServiceUtil;
037    import com.liferay.portal.service.PortletLocalServiceUtil;
038    import com.liferay.portal.theme.ThemeDisplay;
039    import com.liferay.portal.util.PortalUtil;
040    import com.liferay.portal.util.PortletKeys;
041    import com.liferay.portal.util.WebKeys;
042    import com.liferay.portlet.journal.service.JournalContentSearchLocalServiceUtil;
043    
044    import java.util.Date;
045    import java.util.List;
046    
047    import javax.portlet.PortletURL;
048    
049    import javax.servlet.http.HttpServletRequest;
050    
051    /**
052     * @author Charles May
053     * @author Brian Wing Shun Chan
054     */
055    public class PortalOpenSearchImpl extends BaseOpenSearchImpl {
056    
057            public static final String SEARCH_PATH = "/c/search/open_search";
058    
059            public String search(
060                            HttpServletRequest request, long groupId, long userId,
061                            String keywords, int startPage, int itemsPerPage, String format)
062                    throws SearchException {
063    
064                    try {
065                            ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
066                                    WebKeys.THEME_DISPLAY);
067    
068                            int start = (startPage * itemsPerPage) - itemsPerPage;
069                            int end = startPage * itemsPerPage;
070    
071                            Hits results = CompanyLocalServiceUtil.search(
072                                    themeDisplay.getCompanyId(), userId, keywords, start, end);
073    
074                            String[] queryTerms = results.getQueryTerms();
075    
076                            int total = results.getLength();
077    
078                            Object[] values = addSearchResults(
079                                    queryTerms, keywords, startPage, itemsPerPage, total, start,
080                                    "Liferay Portal Search: " + keywords, SEARCH_PATH, format,
081                                    themeDisplay);
082    
083                            com.liferay.portal.kernel.xml.Document doc =
084                                    (com.liferay.portal.kernel.xml.Document)values[0];
085                            Element root = (Element)values[1];
086    
087                            for (int i = 0; i < results.getDocs().length; i++) {
088                                    Document result = results.doc(i);
089    
090                                    String portletId = result.get(Field.PORTLET_ID);
091    
092                                    Portlet portlet = PortletLocalServiceUtil.getPortletById(
093                                            themeDisplay.getCompanyId(), portletId);
094    
095                                    if (portlet == null) {
096                                            continue;
097                                    }
098    
099                                    String portletTitle = PortalUtil.getPortletTitle(
100                                            portletId, themeDisplay.getUser());
101    
102                                    long resultGroupId = GetterUtil.getLong(
103                                            result.get(Field.GROUP_ID));
104    
105                                    String entryClassName = GetterUtil.getString(
106                                            result.get(Field.ENTRY_CLASS_NAME));
107    
108                                    long entryClassPK = GetterUtil.getLong(
109                                            result.get(Field.ENTRY_CLASS_PK));
110    
111                                    String title = StringPool.BLANK;
112    
113                                    PortletURL portletURL = getPortletURL(
114                                            request, portletId, resultGroupId);
115    
116                                    String url = portletURL.toString();
117    
118                                    Date modifedDate = result.getDate(Field.MODIFIED);
119    
120                                    String content = StringPool.BLANK;
121    
122                                    if (Validator.isNotNull(portlet.getIndexerClass())) {
123                                            Indexer indexer = (Indexer)InstancePool.get(
124                                                    portlet.getIndexerClass());
125    
126                                            String snippet = results.snippet(i);
127    
128                                            Summary summary = indexer.getSummary(
129                                                    result, snippet, portletURL);
130    
131                                            title = summary.getTitle();
132                                            url = portletURL.toString();
133                                            content = summary.getContent();
134    
135                                            if (portlet.getPortletId().equals(PortletKeys.JOURNAL)) {
136                                                    url = getJournalURL(
137                                                            themeDisplay, resultGroupId, result);
138                                            }
139                                    }
140    
141                                    double score = results.score(i);
142    
143                                    addSearchResult(
144                                            root, resultGroupId, entryClassName, entryClassPK,
145                                            portletTitle + " " + CharPool.RAQUO + " " + title, url,
146                                            modifedDate, content, score, format);
147                            }
148    
149                            if (_log.isDebugEnabled()) {
150                                    _log.debug("Return\n" + doc.asXML());
151                            }
152    
153                            return doc.asXML();
154    
155                    }
156                    catch (Exception e) {
157                            throw new SearchException(e);
158                    }
159            }
160    
161            protected String getJournalURL(
162                            ThemeDisplay themeDisplay, long groupId, Document result)
163                    throws Exception {
164    
165                    Layout layout = themeDisplay.getLayout();
166    
167                    String articleId = result.get(Field.ENTRY_CLASS_PK);
168                    String version = result.get("version");
169    
170                    List<Long> hitLayoutIds =
171                            JournalContentSearchLocalServiceUtil.getLayoutIds(
172                                    layout.getGroupId(), layout.isPrivateLayout(), articleId);
173    
174                    if (hitLayoutIds.size() > 0) {
175                            Long hitLayoutId = hitLayoutIds.get(0);
176    
177                            Layout hitLayout = LayoutLocalServiceUtil.getLayout(
178                                    layout.getGroupId(), layout.isPrivateLayout(),
179                                    hitLayoutId.longValue());
180    
181                            return PortalUtil.getLayoutURL(hitLayout, themeDisplay);
182                    }
183                    else {
184                            StringBundler sb = new StringBundler(7);
185    
186                            sb.append(themeDisplay.getPathMain());
187                            sb.append("/journal/view_article_content?groupId=");
188                            sb.append(groupId);
189                            sb.append("&articleId=");
190                            sb.append(articleId);
191                            sb.append("&version=");
192                            sb.append(version);
193    
194                            return sb.toString();
195                    }
196            }
197    
198            private static Log _log = LogFactoryUtil.getLog(PortalOpenSearchImpl.class);
199    
200    }