X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=source%2Fmir%2Fservlet%2FAbstractServlet.java;h=90aff29445f9f53a126527cb29d7429ee959d262;hb=f686dd55489e6241bff68b4169058cf6e498ec2c;hp=441ee335eafaf95b4f42b6592895bd244098f3e4;hpb=8297c34c7a424107fd7d1980b6e8e5a3ae26494b;p=mir.git diff --git a/source/mir/servlet/AbstractServlet.java b/source/mir/servlet/AbstractServlet.java index 441ee335..90aff294 100755 --- a/source/mir/servlet/AbstractServlet.java +++ b/source/mir/servlet/AbstractServlet.java @@ -1,278 +1,282 @@ -/* - * 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 1.30.2.4 2003/09/03 17:49:38 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); - } -} +/* + * 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 mir.config.MirPropertiesConfiguration; +import mir.log.LoggerWrapper; +import mircoders.global.MirGlobal; + +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, 2002 + * Company: Mir-coders group + * @author idfx, the Mir-coders group + * @version $Id: AbstractServlet.java,v 1.30.2.6 2003/12/03 18:10:45 rk 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(); + String 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); + } + + if (pool==null) { + logger.fatal("Can't get pool!"); + throw new ServletException("Can't get pool!" ); + } + + 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); + } +}