001    /**
002     * Copyright (c) 2000-2012 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.servlet;
016    
017    import com.liferay.portal.NoSuchGroupException;
018    import com.liferay.portal.kernel.exception.PortalException;
019    import com.liferay.portal.kernel.exception.SystemException;
020    import com.liferay.portal.kernel.log.Log;
021    import com.liferay.portal.kernel.log.LogFactoryUtil;
022    import com.liferay.portal.kernel.servlet.ServletResponseUtil;
023    import com.liferay.portal.kernel.util.CharPool;
024    import com.liferay.portal.kernel.util.ContentTypes;
025    import com.liferay.portal.kernel.util.DateFormatFactoryUtil;
026    import com.liferay.portal.kernel.util.GetterUtil;
027    import com.liferay.portal.kernel.util.Http;
028    import com.liferay.portal.kernel.util.ParamUtil;
029    import com.liferay.portal.kernel.util.StringPool;
030    import com.liferay.portal.kernel.util.StringUtil;
031    import com.liferay.portal.kernel.util.Validator;
032    import com.liferay.portal.model.Group;
033    import com.liferay.portal.model.GroupConstants;
034    import com.liferay.portal.plugin.PluginPackageUtil;
035    import com.liferay.portal.service.GroupLocalServiceUtil;
036    import com.liferay.portal.util.PortalInstances;
037    import com.liferay.portal.util.PortalUtil;
038    import com.liferay.portlet.softwarecatalog.service.SCProductEntryLocalServiceUtil;
039    
040    import java.io.IOException;
041    
042    import java.util.Calendar;
043    import java.util.Date;
044    import java.util.Enumeration;
045    import java.util.Properties;
046    
047    import javax.servlet.ServletException;
048    import javax.servlet.http.HttpServlet;
049    import javax.servlet.http.HttpServletRequest;
050    import javax.servlet.http.HttpServletResponse;
051    
052    /**
053     * @author Jorge Ferrer
054     */
055    public class SoftwareCatalogServlet extends HttpServlet {
056    
057            @Override
058            public void service(
059                            HttpServletRequest request, HttpServletResponse response)
060                    throws IOException, ServletException {
061    
062                    try {
063                            long groupId = getGroupId(request);
064                            String version = getVersion(request);
065                            String baseImageURL = getBaseImageURL(request);
066                            Date oldestDate = getOldestDate(request);
067                            int maxNumOfVersions = ParamUtil.getInteger(
068                                    request, "maxNumOfVersions");
069                            Properties repoSettings = getRepoSettings(request);
070    
071                            if (_log.isDebugEnabled()) {
072                                    _log.debug("Group ID " + groupId);
073                                    _log.debug("Base image URL " + baseImageURL);
074                                    _log.debug("Oldtest date " + oldestDate);
075                                    _log.debug("Maximum number of versions " + maxNumOfVersions);
076                            }
077    
078                            String repositoryXML =
079                                    SCProductEntryLocalServiceUtil.getRepositoryXML(
080                                            groupId, version, baseImageURL, oldestDate,
081                                            maxNumOfVersions, repoSettings);
082    
083                            ServletResponseUtil.sendFile(
084                                    request, response, null,
085                                    repositoryXML.getBytes(StringPool.UTF8),
086                                    ContentTypes.TEXT_XML_UTF8);
087                    }
088                    catch (NoSuchGroupException nsge) {
089                            PortalUtil.sendError(
090                                    HttpServletResponse.SC_NOT_FOUND, nsge, request, response);
091                    }
092                    catch (Exception e) {
093                            if (_log.isWarnEnabled()) {
094                                    _log.warn(e, e);
095                            }
096    
097                            PortalUtil.sendError(
098                                    HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e, request,
099                                    response);
100                    }
101            }
102    
103            protected String getBaseImageURL(HttpServletRequest request) {
104                    String host = PortalUtil.getHost(request);
105    
106                    String portalURL = PortalUtil.getPortalURL(
107                            host, request.getServerPort(), request.isSecure());
108    
109                    String pathImage = PortalUtil.getPathImage();
110    
111                    if (pathImage.startsWith(Http.HTTP_WITH_SLASH) ||
112                            pathImage.startsWith(Http.HTTPS_WITH_SLASH)) {
113    
114                            return pathImage + "/software_catalog";
115                    }
116                    else {
117                            return portalURL + pathImage + "/software_catalog";
118                    }
119            }
120    
121            protected long getGroupId(HttpServletRequest request)
122                    throws PortalException, SystemException {
123    
124                    long groupId = ParamUtil.getLong(request, "groupId");
125    
126                    if (groupId <= 0) {
127                            String path = GetterUtil.getString(request.getPathInfo());
128    
129                            path = StringUtil.replace(
130                                    path, StringPool.DOUBLE_SLASH, StringPool.SLASH);
131    
132                            if (Validator.isNotNull(path)) {
133                                    int pos = path.indexOf(CharPool.SLASH, 1);
134    
135                                    if (pos == -1) {
136                                            pos = path.length();
137                                    }
138    
139                                    groupId = GetterUtil.getLong(path.substring(1, pos));
140                            }
141                    }
142    
143                    if (groupId <= 0) {
144                            long companyId = PortalInstances.getCompanyId(request);
145    
146                            Group guestGroup = GroupLocalServiceUtil.getGroup(
147                                    companyId, GroupConstants.GUEST);
148    
149                            groupId = guestGroup.getGroupId();
150                    }
151    
152                    return groupId;
153            }
154    
155            protected Date getOldestDate(HttpServletRequest request) {
156                    Date oldestDate = null;
157    
158                    oldestDate = ParamUtil.getDate(
159                            request, "oldestDate",
160                            DateFormatFactoryUtil.getSimpleDateFormat("yyyy.MM.dd"), null);
161    
162                    if (oldestDate == null) {
163                            int daysOld = ParamUtil.getInteger(request, "maxAge", -1);
164    
165                            if (daysOld != -1) {
166                                    Calendar cal = Calendar.getInstance();
167    
168                                    cal.add(Calendar.DATE, (0 - daysOld));
169    
170                                    oldestDate = cal.getTime();
171                            }
172                    }
173    
174                    return oldestDate;
175            }
176    
177            protected Properties getRepoSettings(HttpServletRequest request) {
178                    Properties repoSettings = new Properties();
179    
180                    String prefix = "setting_";
181    
182                    Enumeration<String> enu = request.getParameterNames();
183    
184                    while (enu.hasMoreElements()) {
185                            String name = enu.nextElement();
186    
187                            if (name.startsWith(prefix)) {
188                                    String settingName = name.substring(
189                                            prefix.length(), name.length());
190    
191                                    String value = ParamUtil.getString(request, name);
192    
193                                    if (Validator.isNotNull(value)) {
194                                            repoSettings.setProperty(settingName, value);
195                                    }
196                            }
197                    }
198    
199                    return repoSettings;
200            }
201    
202            protected String getVersion(HttpServletRequest request) {
203                    String version = ParamUtil.getString(request, "version");
204    
205                    String prefix =
206                            PluginPackageUtil.REPOSITORY_XML_FILENAME_PREFIX + StringPool.DASH;
207                    String extension =
208                            StringPool.PERIOD +
209                                    PluginPackageUtil.REPOSITORY_XML_FILENAME_EXTENSION;
210    
211                    if (Validator.isNull(version)) {
212                            String path = GetterUtil.getString(request.getPathInfo());
213    
214                            if (Validator.isNotNull(path)) {
215                                    int x = path.indexOf(prefix);
216    
217                                    if (x != -1) {
218                                            version = path.substring(
219                                                    x + prefix.length(), path.indexOf(extension, x));
220                                    }
221                            }
222                    }
223    
224                    if (_log.isDebugEnabled()) {
225                            if (Validator.isNull(version)) {
226                                    _log.debug("Serving repository for all versions");
227                            }
228                            else {
229                                    _log.debug("Serving repository for version " + version);
230                            }
231                    }
232    
233                    return version;
234            }
235    
236            private static Log _log = LogFactoryUtil.getLog(
237                    SoftwareCatalogServlet.class);
238    
239    }