X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=source%2Fmir%2Fservlet%2FAbstractServlet.java;h=5308bccfaf900365a42689a9533b59c82d30cf6c;hb=7015791077c612f98fc14d9dd19df5ef9c08aaa1;hp=ac6330454c6f9050b37830715e304f077e4bb301;hpb=31b2b299af14d02e348ba161ca7f1f831fc22806;p=mir.git

diff --git a/source/mir/servlet/AbstractServlet.java b/source/mir/servlet/AbstractServlet.java
index ac633045..5308bccf 100755
--- a/source/mir/servlet/AbstractServlet.java
+++ b/source/mir/servlet/AbstractServlet.java
@@ -1,86 +1,278 @@
-package mir.servlet;
-
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpSession;
-import java.io.File;
-import java.util.Locale;
-import java.util.HashMap;
-
-import mir.misc.HTMLTemplateProcessor;
-import mir.misc.StringUtil;
-import mir.misc.MirConfig;
-import mir.misc.Logfile;
-
-/**
- * Title:        Mir
- * Description:  Abstract servlet-class
- * Copyright:    Copyright (c) 2001
- * Company:      Indymedia
- * @author       idfx
- * @version 1.0
- */
-
-public abstract class AbstractServlet extends HttpServlet {
-  protected static String lang;
-  protected static Logfile theLog;
-
-  /**
-   * the configration
-   */
-  protected boolean getConfig(HttpServletRequest req) {
-
-    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("Lang is: " + MirConfig.getProp("StandardLanguage"));
-    return true;
-  }
-
-  /**
-   * Bind the language to the session
-   */
-  protected void setLanguage(HttpSession session, String language){
-    session.setAttribute("Language",language);
-  }
-
-  /**
-   * Get the session-binded language
-   */
-  protected String getLanguage(HttpServletRequest req, HttpSession session){
-    String lang = (String)session.getAttribute("Language");
-    if(lang==null || lang==""){
-      return getAcceptLanguage(req);
-    } else {
-      return lang;
-    }
-  }
-
-  /**
-   * Checks the Accept-Language of the clients 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();
-    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;
-  }
-}
+/*
+ * 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  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;
+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 com.codestudio.util.JDBCPool;
+import com.codestudio.util.JDBCPoolMetaData;
+import com.codestudio.util.SQLManager;
+
+import mir.config.MirPropertiesConfiguration;
+import mir.log.LoggerWrapper;
+
+import mircoders.global.MirGlobal;
+
+/**
+ * Title:        Mir
+ * Description:  Abstract servlet-class
+ * Copyright:    Copyright (c) 2001, 2002
+ * Company:      Mir-coders group
+ * @author       idfx, the Mir-coders group
+ * @version      $Id: AbstractServlet.java,v 1.31 2003/09/03 18:29:03 zapata Exp $
+ */
+
+public abstract class AbstractServlet extends HttpServlet {
+  protected static String lang;
+  protected LoggerWrapper logger;
+  protected MirPropertiesConfiguration configuration;
+
+  /**
+   * Constructor for AbstractServlet.
+   */
+  public AbstractServlet() {
+    super();
+  }
+
+  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 (Throwable t) {
+      throw new ServletException("can't read configuration: " + t.toString());
+    }
+
+    logger = new LoggerWrapper("Servlet");
+
+    try {
+      MirGlobal.localizer();
+    }
+    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);
+    meta.setURL(dbUrl);
+    meta.setUserName(dbUser);
+    meta.setPassword(dbPassword);
+    meta.setJNDIName("mir");
+    meta.setMaximumSize(dbMax);
+    meta.setMinimumSize(dbMin);
+    meta.setPoolPreparedStatements(false);
+    meta.setCacheEnabled(false);
+    meta.setCacheSize(15);
+    meta.setDebugging(false);
+
+    SQLManager manager = SQLManager.getInstance();
+
+    JDBCPool pool = null;
+    if (manager != null) {
+      pool = manager.createPool(meta);
+    }
+
+    Connection connection;
+    try {
+      connection = pool.requestConnection();
+      pool.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);
+  }
+}