X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=source%2Fmir%2Fservlet%2FAbstractServlet.java;h=91bfa876cf5a494a2c6f2f2cb4fc30b2abfc8949;hb=55b409cfb4c95a18ee3183c99a7133e51395d454;hp=0bbeb454d305b2734e30c14445c50f9ad12b7a84;hpb=cf8cb5c3fc2602ecde7d53cd7bf7dc30eac6a6d1;p=mir.git diff --git a/source/mir/servlet/AbstractServlet.java b/source/mir/servlet/AbstractServlet.java index 0bbeb454..91bfa876 100755 --- a/source/mir/servlet/AbstractServlet.java +++ b/source/mir/servlet/AbstractServlet.java @@ -1,120 +1,217 @@ +/* + * Copyright (C) 2001, 2002 The Mir-coders group + * + * This file is part of Mir. + * + * Mir is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Mir 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Mir; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * In addition, as a special exception, The Mir-coders gives permission to link + * the code of this program with the com.oreilly.servlet library, any library + * licensed under the Apache Software License, The Sun (tm) Java Advanced + * Imaging library (JAI), The Sun JIMI library (or with modified versions of + * the above that use the same license as the above), and distribute linked + * combinations including the two. You must obey the GNU General Public + * License in all respects for all of the code used other than the above + * mentioned libraries. If you modify this file, you may extend this exception + * to your version of the file, but you are not obligated to do so. If you do + * not wish to do so, delete this exception statement from your version. + */ + package mir.servlet; -import mir.misc.Logfile; -import mir.misc.MirConfig; -import mir.misc.StringUtil; -import mir.storage.StorageObjectException; +import java.io.IOException; +import java.util.Locale; -import javax.servlet.UnavailableException; +import javax.servlet.ServletConfig; +import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; -import java.util.Locale; + +import mir.config.MirPropertiesConfiguration; +import mir.config.MirPropertiesConfiguration.PropertiesConfigExc; +import mir.log.LoggerWrapper; +import mir.storage.DatabaseAdaptor; + +import com.codestudio.util.JDBCPool; +import com.codestudio.util.JDBCPoolMetaData; +import com.codestudio.util.SQLManager; /** * Title: Mir * Description: Abstract servlet-class - * Copyright: Copyright (c) 2001 - * Company: Indymedia - * @author idfx - * @version 1.0 + * Copyright: Copyright (c) 2001, 2002 + * Company: Mir-coders group + * @author idfx, the Mir-coders group + * @version $Id: AbstractServlet.java,v 1.24 2003/03/15 02:07:36 idfx Exp $ */ public abstract class AbstractServlet extends HttpServlet { - protected static String lang; - protected static Logfile theLog; - - /** - * the configration - */ - protected boolean getConfig(HttpServletRequest req) - throws UnavailableException { - - String RealPath = super.getServletContext().getRealPath("/"); - String Uri = req.getRequestURI(); - String Name = super.getServletName(); - String RootUri = StringUtil.replace(Uri, "/servlet/" + Name, ""); - - // init config - MirConfig.initConfig(RealPath, RootUri, Name, getInitParameter("Config")); - - theLog = Logfile.getInstance(MirConfig.getPropWithHome(Name + ".Logfile")); - theLog.printInfo(Name + " started."); - theLog.printInfo("Path is: " + MirConfig.getProp("Home")); - theLog.printInfo("Root URI is: " + MirConfig.getProp("RootUri")); - theLog.printInfo("StandardLanguage is: " + MirConfig.getProp("StandardLanguage")); - try { - MirConfig.initDbPool(); - } - catch (StorageObjectException e) { - throw new UnavailableException( - "Could not initialize database pool. -- " - + e.toString(), 0); - } - super.getServletContext().setAttribute("mir.confed", new Boolean(true)); - return true; + protected static String lang; + protected LoggerWrapper logger; + protected MirPropertiesConfiguration configuration; + + /** + * Constructor for AbstractServlet. + */ + public AbstractServlet() { + super(); + logger = new LoggerWrapper("Servlet"); + } + + protected void setNoCaching(HttpServletResponse aResponse) { + //nothing in Mir can or should be cached as it's all dynamic... + // + //this needs to be done here and not per page (via meta tags) as some + //browsers have problems w/ it per-page -mh + aResponse.setHeader("Pragma", "no-cache"); + aResponse.setDateHeader("Expires", 0); + aResponse.setHeader("Cache-Control", "no-cache"); + } + + /** + * Bind the language to the session + */ + protected void setLanguage(HttpSession session, String language) { + session.setAttribute("Language", language); + } + + protected void setLocale(HttpSession session, Locale loc) { + session.setAttribute("Locale", loc); + } + + /** + * Get the session-bound language + */ + protected String getLanguage(HttpServletRequest aRequest, HttpSession session) { + String lang = (String) session.getAttribute("Language"); + + if (lang == null || lang.length()==0) { + lang = getAcceptLanguage(aRequest); } - /** - * Bind the language to the session - */ - protected void setLanguage(HttpSession session, String language) { - session.setAttribute("Language", language); + return lang; + } + + /** + * get the locale either from the session or the accept-language header ot the request + * this supersedes getLanguage for the new i18n + */ + public Locale getLocale(HttpServletRequest aRequest) { + Locale loc = null; + HttpSession session = aRequest.getSession(false); + if (session != null) { + // session can be null in case of logout + loc = (Locale) session.getAttribute("Locale"); + } + // if there is nothing in the session get it fron the accept-language + if (loc == null) { + loc = aRequest.getLocale(); } + return loc; + } + + /** + * Checks the Accept-Language of the client browser. + * If this language is available it returns its country-code, + * else it returns the standard-language + */ + protected String getAcceptLanguage(HttpServletRequest aRequest) { + Locale loc = aRequest.getLocale(); + lang = loc.getLanguage(); + return lang; + } - protected void setLocale(HttpSession session, Locale loc) { - session.setAttribute("Locale", loc); + /** + * @see javax.servlet.Servlet#init(javax.servlet.ServletConfig) + */ + public void init(ServletConfig config) throws ServletException { + super.init(config); + + MirPropertiesConfiguration.setContext(config.getServletContext()); + try { + configuration = MirPropertiesConfiguration.instance(); + } + catch (PropertiesConfigExc e) { + throw new ServletException(e); } - /** - * Get the session-bound language - */ - protected String getLanguage(HttpServletRequest req, HttpSession session) { - String lang = (String) session.getAttribute("Language"); - if (lang == null || lang.equals("")) { - return getAcceptLanguage(req); - } - else { - return lang; - } + String dbUser = configuration.getString("Database.Username"); + String dbPassword = configuration.getString("Database.Password"); + String dbHost = configuration.getString("Database.Host"); + String dbAdapName = configuration.getString("Database.Adaptor"); + String dbName = configuration.getString("Database.Name"); + + DatabaseAdaptor adaptor; + try { + adaptor = (DatabaseAdaptor) Class.forName(dbAdapName).newInstance(); + } + catch (Exception e) { + throw new ServletException("Could not load DB adapator: " + + e.toString()); } - /** - * get the locale either from the session or the accept-language header ot the request - * this supersedes getLanguage for the new i18n - */ - public Locale getLocale(HttpServletRequest req) { - Locale loc=null; - HttpSession session = req.getSession(false); - if (session!=null) { - // session can be null in case of logout - loc = (Locale) session.getAttribute("Locale"); - } - // if there is nothing in the session get it fron the accept-language - if (loc == null) { - loc = req.getLocale(); - } - return loc; + String dbDriver; + String dbUrl; + try { + dbDriver = adaptor.getDriver(); + dbUrl = adaptor.getURL(dbUser, dbPassword, dbHost); + } + catch (Exception e) { + throw new ServletException(e); } - /** - * Checks the Accept-Language of the client browser. - * If this language is available it returns its country-code, - * else it returns the standard-language - */ - protected String getAcceptLanguage(HttpServletRequest req) { - Locale loc = req.getLocale(); - lang = loc.getLanguage(); - /* not needed anymore due to new i18n - File f = new File(HTMLTemplateProcessor.templateDir+"/"+lang); - //is there an existing template-path? - if(!f.isDirectory()){ - //no there isn't. we use standard-language - lang = MirConfig.getProp("StandardLanguage"); - theLog.printDebugInfo("language not existing"); - } - theLog.printDebugInfo("Language: " + lang); - */ - return lang; + JDBCPoolMetaData meta = new JDBCPoolMetaData(); + meta.setDbname(dbName); + meta.setDriver(dbDriver); + meta.setURL(dbUrl); + meta.setUserName(dbUser); + meta.setPassword(dbPassword); + meta.setJNDIName("mir"); + meta.setMaximumSize(10); + meta.setMinimumSize(1); + meta.setPoolPreparedStatements(false); + meta.setCacheEnabled(false); + meta.setCacheSize(15); + meta.setDebugging(false); +// meta.setLogFile(dblogfile+".pool"); + + SQLManager manager = SQLManager.getInstance(); + JDBCPool pool = null; + if (manager != null) { + pool = manager.createPool(meta); } + } + + + protected final void doGet(HttpServletRequest request, HttpServletResponse response) + throws ServletException, IOException { + doPost(request, response); + } + + protected final void doPost(HttpServletRequest request, HttpServletResponse response) + throws ServletException, IOException { + if ((configuration.getString("RootUri") == null) || + configuration.getString("RootUri").equals("")) { + configuration.setProperty("RootUri", request.getContextPath()); + } + process(request, response); + } + + abstract public void process(HttpServletRequest request, HttpServletResponse response) + throws ServletException, IOException; + }