X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=source%2Fmir%2Fservlet%2FAbstractServlet.java;h=ff059d5d836906934b3d1105ea8f3aa90add63e2;hb=aa507bfd18e723d21e63454a26af3320bb8c27f2;hp=4435521b53135d27b4454a4751282b59c28844ea;hpb=b5dfdb12e72c15762c6a9d21a3d37db9ba97c92a;p=mir.git diff --git a/source/mir/servlet/AbstractServlet.java b/source/mir/servlet/AbstractServlet.java index 4435521b..ff059d5d 100755 --- a/source/mir/servlet/AbstractServlet.java +++ b/source/mir/servlet/AbstractServlet.java @@ -1,5 +1,5 @@ /* - * Copyright (C) 2001, 2002 The Mir-coders group + * Copyright (C) 2001, 2002 The Mir-coders group * * This file is part of Mir. * @@ -18,19 +18,21 @@ * 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. + * the code of this program with 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 java.io.IOException; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.sql.Connection; import java.util.Locale; import javax.servlet.ServletConfig; @@ -41,9 +43,8 @@ import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import mir.config.MirPropertiesConfiguration; -import mir.config.MirPropertiesConfiguration.PropertiesConfigExc; import mir.log.LoggerWrapper; -import mir.storage.DatabaseAdaptor; +import mircoders.global.MirGlobal; import com.codestudio.util.JDBCPool; import com.codestudio.util.JDBCPoolMetaData; @@ -55,119 +56,121 @@ import com.codestudio.util.SQLManager; * Copyright: Copyright (c) 2001, 2002 * Company: Mir-coders group * @author idfx, the Mir-coders group - * @version $Id: AbstractServlet.java,v 1.22 2003/02/20 16:05:33 zapata Exp $ + * @version $Id: AbstractServlet.java,v 1.30.2.5 2003/10/23 14:55:26 rk Exp $ */ public abstract class AbstractServlet extends HttpServlet { - protected static String lang; - protected LoggerWrapper logger; - protected MirPropertiesConfiguration configuration; + protected static String lang; + protected LoggerWrapper logger; + protected MirPropertiesConfiguration configuration; /** * Constructor for AbstractServlet. */ public AbstractServlet() { super(); - logger = new LoggerWrapper("Servlet"); } - protected void setNoCaching(HttpServletResponse res) { - //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 - res.setHeader("Pragma", "no-cache"); - res.setDateHeader("Expires", 0); - res.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 req, HttpSession session) { - String lang = (String) session.getAttribute("Language"); - if (lang == null || lang.equals("")) { - return getAcceptLanguage(req); - } - else { - 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 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; - } - - /** - * 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(); - return lang; + 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) { + logger.debug("setting language to " + language); + + session.setAttribute("language", language); + session.setAttribute("locale", new Locale(language, "")); + } + + /** + * 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); + } + + 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(); } + + logger.debug("getting locale: " + loc.getLanguage()); + + 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; + } + /** * @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); + } + catch (Throwable t) { + throw new ServletException("can't read configuration: " + t.toString()); } - 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"); + logger = new LoggerWrapper("Servlet"); - DatabaseAdaptor adaptor; try { - adaptor = (DatabaseAdaptor)Class.forName(dbAdapName).newInstance(); - } catch (Exception e) { - throw new ServletException("Could not load DB adapator: "+ - e.toString()); + MirGlobal.localizer(); } - - String dbDriver; - String dbUrl; - try{ - dbDriver=adaptor.getDriver(); - dbUrl=adaptor.getURL(dbUser,dbPassword, dbHost); - } catch (Exception e) { - throw new ServletException(e); + catch (Throwable t) { + logger.fatal("can't get localizer: " + t.toString()); + throw new ServletException("can't get localizer: " + t.toString()); } + String dbUser = configuration.getString("Database.Username"); + String dbPassword = configuration.getString("Database.Password"); + String dbHost = configuration.getString("Database.Host"); + String dbPort = configuration.getString("Database.Port"); + String dbAdapName = configuration.getString("Database.Adaptor"); + String dbName = configuration.getString("Database.Name"); + String dbDriver = configuration.getString("Database.Driver"); + String dbUrl = "jdbc:postgresql://"+dbHost+":"+dbPort+"/"+dbName; + int dbMin = configuration.getInteger("Database.poolMin", 1); + int dbMax = configuration.getInteger("Database.poolMax", 10); + JDBCPoolMetaData meta = new JDBCPoolMetaData(); meta.setDbname(dbName); meta.setDriver(dbDriver); @@ -175,19 +178,100 @@ public abstract class AbstractServlet extends HttpServlet { meta.setUserName(dbUser); meta.setPassword(dbPassword); meta.setJNDIName("mir"); - meta.setMaximumSize(10); - meta.setMinimumSize(1); + meta.setMaximumSize(dbMax); + meta.setMinimumSize(dbMin); 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){ + if (manager != null) { pool = manager.createPool(meta); } + + Connection connection; + try { + connection = pool.requestConnection(); + JDBCPool.closeConnection(connection); + } + catch (Throwable t) { + logger.fatal("Can't connect to database: " + t.toString()); + throw new ServletException("Can't connect to database: " + t.toString()); + } + } + + private void setEncoding(HttpServletRequest request){ + try { + logger.info("Request has encoding: " + request.getCharacterEncoding()); + logger.info("Config stipulates encoding: " + configuration.getString("Mir.DefaultHTMLCharset")); + Class reqClass = request.getClass(); + Method method = reqClass.getMethod("setCharacterEncoding", new Class[]{String.class}); + String encoding = configuration.getString("Mir.DefaultHTMLCharset"); + method.invoke(request, new Object[]{encoding}); + logger.info("Request now has encoding: " + request.getCharacterEncoding()); + } + catch (NoSuchMethodException e) { + // TODO set the encoding in a zapata-way +// logger.warn("set encoding not yet implemented: " + e.getMessage()); + } + catch (SecurityException e) { + logger.error(e.getMessage()); + e.printStackTrace(); + } + catch (IllegalArgumentException e) { + logger.error(e.getMessage()); + e.printStackTrace(); + } + catch (IllegalAccessException e) { + logger.error(e.getMessage()); + e.printStackTrace(); + } + catch (InvocationTargetException e) { + logger.error(e.getMessage()); + e.printStackTrace(); + } + } + + 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()); + } + setEncoding(request); + process(request, response); } + abstract public void process(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException; + + /** + * Selects the language for the response. + * + * @param session + * @param aRequest + */ + protected void checkLanguage(HttpSession aSession, HttpServletRequest aRequest) { + String requestLanguage = aRequest.getParameter("language"); + String sessionLanguage = (String) aSession.getAttribute("language"); + String acceptLanguage = aRequest.getLocale().getLanguage(); + String defaultLanguage = configuration.getString("Mir.Login.DefaultLanguage", "en"); + + String language = requestLanguage; + + if (language==null) + language = sessionLanguage; + + if (language==null) + language = acceptLanguage; + + if (language==null) + language = defaultLanguage; + + setLanguage(aSession, language); + } }