package de.superx.servlet;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.reflect.InvocationTargetException;
import java.sql.Driver;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.text.ParseException;
import java.util.Date;
import java.util.Enumeration;
import java.util.Set;

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.xml.parsers.FactoryConfigurationError;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;

import org.apache.log4j.Logger;
import org.dom4j.DocumentException;
import org.pentaho.di.core.KettleEnvironment;
import org.pentaho.di.core.database.DataSourceProviderFactory;
import org.pentaho.di.core.exception.KettleException;
import org.pentaho.di.core.logging.KettleLogStore;
import org.xml.sax.SAXException;

import de.memtext.db.NichtAngemeldetException;
import de.memtext.tree.KeyParentEqualException;
import de.memtext.util.DateUtils;
import de.memtext.util.ServletHelper;
import de.memtext.util.TimeUtils;
import de.memtext.util.TransletUtils;
import de.memtext.util.XMLUtils;
import de.superx.common.DBServletException;
import de.superx.common.SxUser;
import de.superx.common.TransletCache;
import de.superx.sec.HttpGetAccessGuard;
import de.superx.sec.HttpGetAccessListParser;
import de.superx.sec.InputCheckRegistry;
import de.superx.util.SqlStringUtils;

/**
 * A servlet which can be advised to reload static resources
 */
public class SuperXManager extends HttpServlet {
	private static Logger logger = Logger.getLogger(SuperXManager.class);
	public static final String QIS_CONTEXT = "QIS_CONTEXT";
	private static final long serialVersionUID = 2L;
	public static final long maxMillisWaitingTime = 60000 * 15; // 15 minutes should be sufficient 
	public static String his1_refapp="";
	private SuperXInitThread initThread;
	public static boolean isZukuenftigerStandErlaubt = true;
	public static int maxRows = 20000;
	public static String defaultMaskXsl = "maske_html.xsl";
	public static String defaultTableHtmlXsl = "tabelle_html.xsl";
	public static String defaultTableXlsXsl = "tabelle_xls.xsl";
	public static String defaultTablePdfXsl = "tabelle_fo_pdf.xsl";
	public static String csvEncoding = null;
	public static String sharedSecret = "";
	private static String xmenu, xmask, xtablehtml, xtablexsl, xtablepdf;
	public static boolean isSichtenCachingWanted = true;
	public static String sxversion="@version@";
	public static String builddatum="@sxtimestamp@";
	public static HttpGetAccessGuard httpGetAccessGuard;

	private static final String ADMIN_ONLY = de.superx.servlet.SuperXManager.htmlPageHead("Admin-Bereich")+"<center><h3>Hier ist ein Login nur für Administratoren m&ouml;glich.</h3>(Cookies m&uuml;ssen aktiviert sein)"
			+ "<FORM ACTION=\"SuperXManager\" METHOD=\"post\"><p><p>Kennung: <br /><INPUT TYPE=\"Text\" NAME=\"kennung\" VALUE=\"superx\"></p><p><p>Passwort: <br /><INPUT TYPE=\"Password\" NAME=\"passwort\" value=\"\">"
			+ "</p><p>MandantenID<br><input type=\"text\" name=\"MandantenID\" value=\"default\"></p><br><INPUT TYPE=\"Submit\" NAME=\"Abschicken\" VALUE=\"Anmelden\"></FORM></center></body></html>";

	private static String pageBeginning = htmlPageHead("Webanwendung Manager")+"<h1 align=center>SuperX Manager</h1><center>"
			+ "SuperX @version@ (build:@sxtimestamp@)" + "</center>";
	public static String pageEnd = "</div></body></html>";
	public static StringBuffer activityLog = new StringBuffer();
	// letzter maskensql bevor FreeMarker loslegte
	private static String lastFMMaskenSql;
	private static String lastMaskenSql = "--";
	private static String lastXml = "--";
	private static String lastMaskenSqlMandantid = "";
	private static String lastXmlMandantid = "--";
	// siehe SxSql_server.executeAll
	public static boolean isDevelopmentMode = true;
	private static boolean isLastSqlExtraPageWanted = true;
	// private static ResourceBundle rb =
	// ResourceBundle.getBundle("LocalStrings");
	static public boolean isXMLReturnLinkWanted = true;
	static String refererstart = null;
	public static String field1Cache;
	private static CacheUpdater cashUpdater = new CacheUpdater();
	public static boolean isHis1 = false;
	private static String webinfPfad = ".";
	private static String moduleDir=""; //
	public static boolean isResponseCompressionWanted=true;
	public static String sendBackLocalizedHtml="";
	private static String  noSessionFieldDefaults;
	private static Date start = null;
	private static boolean isStandaloneLdapActive = false;
	// public static String userField1Cache;//in UserInitializer sind Ansaetze -
	// (noch) nicht umgesetzt

	public static String getMaxRowsHinweis() {
		return " Die Datenbank lieferte eine große Menge an Datensätzen. Es werden generell nur die ersten "
				+ SuperXManager.maxRows
				+ " dargestellt, in Datenblatt-Abfragen ggf. sogar weniger. Schränken Sie Ihre Abfrage ggfs. weiter ein oder nutzen den Excelexport";
	}

	public static boolean isSessionFieldDefaultsWanted(String mandantenID)
	{
		if (noSessionFieldDefaults==null) noSessionFieldDefaults="";
		return noSessionFieldDefaults.indexOf(","+mandantenID+",")==-1;
	}
	public void init(ServletConfig config) throws ServletException {
		super.init(config);
		logger.debug("SuperXManager start.");
		start = new Date();
		//tomcat8 verlangt einen virtual Path separator / vor WEB-INF
		//vergl. http://stackoverflow.com/questions/25555541/getservletcontext-getrealpath-in-tomcat-8-returns-wrong-path
		webinfPfad = getServletConfig().getServletContext().getRealPath(
				"/WEB-INF");
		//System.out.println("WEB-INF Pfad : "+webinfPfad);
		// are we running in a HISinOne env?
		// init Prozess wird in eigenem Thread gestaretet, damit HIs1-init
		// weiterläuft während superx wartet
		try {
			//MB provisorisch an dieser Stelle für Kern4.9 eingebaut
			//Kern5 bzw HisMaster ab 2021.06 ist woanders
			initLdapPasswordCheckingIfConfigured();
			initThread = new SuperXInitThread(config);
			initThread.start();
		} catch (Exception e) {
			throw new ServletException(e.getMessage());
		}

	}

	public static String getWEB_INFPfad() {
		return webinfPfad;
	}
	public static void setWEB_INFPfad(String p) {
		webinfPfad=p;
	}
    private void initXSLFilenames() {
		//tomcat8 verlangt einen virtual Path separator / vor xml
		//vergl. http://stackoverflow.com/questions/25555541/getservletcontext-getrealpath-in-tomcat-8-returns-wrong-path
	
		xmenu = "file:///"
				+ getServletConfig().getServletContext().getRealPath(
						"/xml/" + "menue_html.xsl");
		xmask = "file:///"
				+ getServletConfig().getServletContext().getRealPath(
						"/xml/" + SuperXManager.defaultMaskXsl);
		xtablehtml = "file:///"
				+ getServletConfig().getServletContext().getRealPath(
						"/xml/" + SuperXManager.defaultTableHtmlXsl);
		xtablexsl = "file:///"
				+ getServletConfig().getServletContext().getRealPath(
						"/xml/" + SuperXManager.defaultTableXlsXsl);
		xtablepdf = "file:///"
				+ getServletConfig().getServletContext().getRealPath(
						"/xml/" + SuperXManager.defaultTablePdfXsl);

	}

	public static void initStandardXsl()
			throws TransformerConfigurationException, DBServletException {

		TransletCache.getTransformer(null, xmenu);

		TransletCache.getTransformer(null, xmask);

		TransletCache.getTransformer(null, xtablehtml);

		TransletCache.getTransformer(null, xtablexsl);

		// TransletCache.getTransformer("default", xtablepdf);

	}

	public void destroy() {
		super.destroy();
		try {
			if (initThread != null)
				initThread.destroy();
			SxPools.closeAll();

			cashUpdater.setActive(false);
			cashUpdater.interrupt();

		} catch (Exception e) {
			e.printStackTrace();
		}
		try {
			for (Enumeration en = DriverManager.getDrivers(); en
					.hasMoreElements();) {
				Driver d = (Driver) en.nextElement();
				try {
					DriverManager.deregisterDriver(d);
					logger.info(new java.util.Date() + "{} deregister {}" + d);
				} catch (Exception e) {
				}
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			// System.setProperty("SuperX-DB-PROPERTIES-SET", "false");
		}
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		AbstractSuperXServlet.setEncoding(request);
		response.setContentType("text/html; charset="
				+ SqlStringUtils.getEncoding());
		if (ServletHelper.getParameter(request, "kennung") != null
				&& ServletHelper.getParameter(request, "passwort") != null) {
			UserInitializer ui = new UserInitializer(request, false);
			try {
				ui.perform();
			} catch (Exception e) {
				throw new ServletException("Authentifizierung für "
						+ ServletHelper.getParameter(request, "kennung")
						+ " fehlgeschlagen");
			}
		}
		if (request.getParameter("xupdater") != null) {
			XUpdaterServlet xu = new XUpdaterServlet();
			xu.doPost(request, response);
		} else {
			SxUser user = (SxUser) request.getSession().getAttribute("user");
			if (user == null || !user.isAdmin()) {
				PrintWriter output = response.getWriter();
				output.write(ADMIN_ONLY);
				output.flush();
			} else {
				SxManager m = new SxManager(request, response);
				m.run(false);
			}
		}
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html; charset="
				+ SqlStringUtils.getEncoding());
		SxUser user = (SxUser) request.getSession().getAttribute("user");
		if (user == null || !user.isAdmin()) {
			PrintWriter output = response.getWriter();
			output.write(ADMIN_ONLY);
			output.flush();
			output.close();
		} else {
			if (request.getParameter("xupdater") != null) {
				XUpdaterServlet xu = new XUpdaterServlet();
				xu.doGet(request, response);
			} else {
				PrintWriter output = response.getWriter();
				String showLastSqlXml = ServletHelper.getParameter(request,
						"showlastsqlxml");

				boolean isLastSqlXmlWantend = showLastSqlXml != null
						&& showLastSqlXml.equals("true");
				if (isLastSqlXmlWantend) {
					output.write(pageBeginning + getLastSqlXml(request) + pageEnd);
				} else {
					output.write(getStandardPage(request, "") + pageEnd);
				}
				output.flush();
				output.close();
			}

		}
	}

	private String getLastSqlXml(HttpServletRequest currentreq) {
		StringBuffer result = new StringBuffer("<br>");
		String m = ServletUtils.getMandantenID(currentreq);
		if(m.equalsIgnoreCase(lastMaskenSqlMandantid))
		{	
		// <br> Stand:"+new Date()+"
		result.append("<center><table><tr>");
		result.append("<td><p align=center><b>letzter Masken sql (vom XML-Frontend)<br>vor FreeMarker-Transformation</b></p><textarea name=\"sql\" rows=20 cols=50>"
				+ lastFMMaskenSql + "</textarea></td>");
		result.append("<td><p align=center><b>letzter Masken sql (vom XML-Frontend)</b></p><textarea name=\"sql\" rows=20 cols=50>"
				+ lastMaskenSql
				+ "</textarea></td>"
				+ "<td><p align=center><b>letztes XML</b></p><textarea name=\"xml\" rows=20 cols=50>"
				+ lastXml + "</textarea></td></tr></table></center>");
	}
	else
		result.append("Bitte wiederholen Sie den Aufruf mit dem jew. Mandant");

		return result.toString();
	}

	public String getStandardPage(HttpServletRequest request, String comment) {
		String m = ServletUtils.getMandantenID(request);
		StringBuffer result = new StringBuffer(
				pageBeginning
						+ (m.equals("default") ? "" : "<center>(Mandant: " + m
								+ ")<br>\n")
						+ "\n<br>"
						+ "<center><form action=\"SuperXManager\" method=post>"
						+ comment
						+ "\n<br><br><input type=submit name=\"cache\" value=\"Server-Cache aktualisieren\">&nbsp;<input type=submit name=\"clearStylesheets\" value=\"nur Stylesheet-Cache leeren\"></font><br>"
						+ "<font>Es werden Erl&auml;uterungen und &Uuml;bersetzungen (captions) gecacht.<br>F&uuml;rs XML-Frontend auch: User,Userrechte und Sichten,<br> und auch Abfragen wenn in der db.properties eingetragen</font> <br><br>"
						+ "<font size=+1>Entwicklungsmodus ist "
						+ (isDevelopmentMode ? "AN" : "AUS")
						+ " <input type=radio name=\"Entwicklungsmodus\" value=\"an\""
						+ (isDevelopmentMode ? "checked" : "")
						+ ">an\n<input type=radio name=\"Entwicklungsmodus\" value=\"aus\""
						+ (!isDevelopmentMode ? "checked" : "")
						+ ">aus\n"
						+ "\n</font><input type=submit value=\"&Uuml;bernehmen\"><br>"
						+ "(Im Entwicklungsmodus werden alle SQL-Befehle von Abfragen einzeln an die Datenbank geschickt.<br>Das dauert l&auml;nger, erm&ouml;glicht aber bessere Fehlermeldungen.)<br><br>"
						+ "Achtung: bei Informix sollten Sie den Entwicklungsmodus nicht ausschalten, der JDBC-Treiber arbeitet dann instabil.<br><br>"
						+

						"\n<br><br><input type=submit name=\"clearlogfiles\" value=\"Log-Dateien leeren\"><br>\n");
		result.append("</form>");

		if (isLastSqlExtraPageWanted) {
			result.append(getLastSqlXml(request));
		} else {
			result.append("<a href=\"SuperXManager?showlastsqlxml=true\" target=\"_blank\">letzter SQL / XML</a><br><br><hr>");
		}
		result.append("<center><h2>LOG  <a href=\"SuperXManager\">aktualisieren<a/></h2><br>"
				+ // <textarea name=\"xml\"
					// rows=30 cols=80>"
				activityLog
				+ "<br><hr><a href=\"SuperXManager\">LOG aktualisieren<a/>");// +
		result.append("<br><br>" + SxPools.getPoolFinRechteInfos());

		// "</textarea></center>");
		result.append(pageEnd);

		return result.toString();
	}

	public static void setLastMaskenSql(String sql) {
		lastMaskenSql = sql;
	}
	public static String getLastMaskenSql() {
		return lastMaskenSql;
	}
	public static void setLastXml(String xml) {
		lastXml = xml;
	}
	public static String getLastXml() {
		return lastXml;
	}
	public static String getLastMaskenSqlMandantid() {
		return lastMaskenSqlMandantid;
	}

	public static void setLastMaskenSqlMandantid(String lastMaskenSqlMandantid) {
		SuperXManager.lastMaskenSqlMandantid = lastMaskenSqlMandantid;
	}

	public static String getLastXmlMandantid() {
		return lastXmlMandantid;
	}

	public static void setLastXmlMandantid(String lastXmlMandantid) {
		SuperXManager.lastXmlMandantid = lastXmlMandantid;
	}

	/**
	 * Alles neu einlesen Immer nur ein Thread darf zugreifen
	 * 
	 * @param request
	 *            darf null sein
	 * 
	 * @throws KeyParentEqualException
	 * @throws NichtAngemeldetException
	 * @throws ParseException
	 * @throws ParserConfigurationException
	 * @throws FactoryConfigurationError
	 * @throws SAXException
	 * @throws DocumentException
	 * @throws SQLException
	 * @throws DBServletException
	 * @throws TransformerException
	 * @throws NoSuchMethodException
	 * @throws InvocationTargetException
	 * @throws IllegalAccessException
	 * @throws InstantiationException
	 * @throws SecurityException
	 * @throws IllegalArgumentException
	 */
	static synchronized void initAll() throws KeyParentEqualException,
			NichtAngemeldetException, ParseException,
			ParserConfigurationException, FactoryConfigurationError,
			SAXException, DocumentException, IllegalArgumentException,
			SecurityException, InstantiationException, IllegalAccessException,
			InvocationTargetException, NoSuchMethodException, SQLException,
			DBServletException, TransformerException {

		SxPools.resetAllPools();
		logger.debug(" using encoding: " + SqlStringUtils.getEncoding());
		clearTransletStylesheets();
	}

	public static void initPool(HttpServletRequest request, String mandantenID)
			throws TransformerConfigurationException, SQLException,
			DBServletException, IOException {
		logger.debug(de.memtext.util.DateUtils.getNowString()
				+ " Server Cache wird neu geladen für :" + mandantenID);
		MaskenContainer mc = MaskenContainer.getFromRequest(request);
		mc.clear();

		if (mandantenID.equals("default"))
			SxPools.resetAllPools();
		else
			SxPools.get(mandantenID).init();
		logger.debug(" using encoding: " + SqlStringUtils.getEncoding());
		clearTransletStylesheets();
		initStandardXsl();

	}

	public static void clearTransletStylesheets()
			throws TransformerConfigurationException, DBServletException {
		logger.debug(DateUtils.getNowString() + " Stylesheet-Cache geleert");
		TransletCache.clear();

	}

	public String getServletInfo() {
		return "SuperXManager";
	}

	public static void clearLog() {
		activityLog.setLength(0);

	}

	public static void logActivity(java.util.logging.Level level, String log) {
		if (level == null)
			level = java.util.logging.Level.INFO;
		activityLog.append(TimeUtils.getNowString() + " " + log + "<br>");
	}

	/**
	 * Als innere Klasse hat SxManager auch Zugriff auf die initAll-Methode
	 */
	private class SxManager extends SuperXServletHelper {

		public SxManager(HttpServletRequest request,
				HttpServletResponse response) throws IOException {
			super(request, response);
		}

		protected void perform() throws IOException, IllegalArgumentException,
				SecurityException, KeyParentEqualException,
				NichtAngemeldetException, ParseException,
				ParserConfigurationException, FactoryConfigurationError,
				SAXException, DocumentException, InstantiationException,
				IllegalAccessException, InvocationTargetException,
				NoSuchMethodException, SQLException, DBServletException,
				TransformerException {
			String comment = "";
			if (request.getParameterMap().containsKey("cache")) {
				initPool(request, getMandantenID());
				initStandardXsl();
				comment = "Resources neu geladen: "
						+ DateUtils.getTodayString() + " "
						+ DateUtils.getNowString();
			}
			if (request.getParameterMap().containsKey("clearStylesheets")) {
				clearTransletStylesheets();
				comment = "Stylesheet-Cache geleert: "
						+ DateUtils.getTodayString() + " "
						+ DateUtils.getNowString();
			}
			if (request.getParameterMap().containsKey("clearlogfiles")) {
				SxPools.clearLogFiles();
				comment = "LogDateien geleert";
			}
			if (ServletHelper.getParameter(request, "Entwicklungsmodus") != null)
				isDevelopmentMode = ServletHelper.getParameter(request,
						"Entwicklungsmodus").equals("an");
			PrintWriter output = response.getWriter();
			response.setContentType("text/html; charset="
					+ SqlStringUtils.getEncoding());

			output.write(getStandardPage(request, comment));

			output.write(pageEnd);
			output.flush();
		}

	}

	/**
	 * @return Returns the lastFMMaskenSql.
	 */
	public static String getLastFMMaskenSql() {
		return lastFMMaskenSql;
	}

	/**
	 * @param lastFMMaskenSql
	 *            The lastFMMaskenSql to set.
	 */
	public static void setLastFMMaskenSql(String lastFMMaskenSql) {
		SuperXManager.lastFMMaskenSql = lastFMMaskenSql;
	}

	public static void main(String args[]) {
		System.out.println("SuperX @version@ (build:@sxtimestamp@)");
		System.out.println(SqlStringUtils.getEncoding());
	}

	class SuperXInitThread extends Thread {
		private ServletConfig config;
		private boolean isDestroyWanted = false;

		public SuperXInitThread(ServletConfig config) throws SecurityException,
				IOException {
			this.config = config;
		}

		public void destroy() {
			isDestroyWanted = true;
		}

		public void run() {
			logger.debug("SuperXInit thread start.");
			while (!isDestroyWanted
					&& (System.getProperty("SuperX-DB-PROPERTIES-SET") == null || !System
					.getProperty("SuperX-DB-PROPERTIES-SET")
					.equalsIgnoreCase("true"))) {
				long totalTimeWaiting = System.currentTimeMillis() - start.getTime();
				try {
					Thread.sleep(4000);
					logger.info("SuperXInit waiting. Total: " + Long.valueOf(totalTimeWaiting) + "millis");
					if (totalTimeWaiting > maxMillisWaitingTime) {
						throw new InterruptedException("*** SuperXManager timeout!\n"
								+ "Java System-Property SuperX-DB-PROPERTIES-SET not set!\n"
								+ "HISinOne Business Intelligence may not be usable!\n"
								+ "Please check if Module EDUSTORE in modules.xml is active\n"
								+ "and EdustoreManager has run correctly on HISinOne startup! ***");
					}
				} catch (InterruptedException e) {
					logger.warn("SuperXinit interrupted!", e);
					throw new RuntimeException(e);
				}
			}
			isHis1 = true;
			logger.debug("Webanwendung Manager startet - SuperX-DB-PROPERTIES-SET=true gefunden");
			try {
				doInit();
			} catch (ServletException e) {

				e.printStackTrace();
				throw new IllegalStateException("SuperX Init fehlgeschlagen " + e.getMessage());
			}
		}

		private void doInit() throws ServletException {
		    initHttpGetAccessGuard();
		    InputCheckRegistry.registerDefaultChecks();
			his1_refapp=System.getProperty(QIS_CONTEXT);
 			if(his1_refapp==null)
 				his1_refapp="";
 			else
			    logger.debug("SuperX found HisInOne webapp: " + his1_refapp);
 
			XMLUtils.getExceptionHandler().setWithGui(false);
			XMLUtils.getExceptionHandler().setExitWanted(false);
			ServletUtils.setPath(getServletConfig().getServletContext()
					.getRealPath("xml"));
			initXSLFilenames();
			refererstart = config.getInitParameter("referer_start");
			if (refererstart != null && !refererstart.trim().equals(""))
				logger.debug("Referer wird kontrolliert auf "
						+ refererstart);
			String zukuenftigerStandErlaubt = config
					.getInitParameter("zukünftigerStandErlaubt");
			if (zukuenftigerStandErlaubt != null
					&& zukuenftigerStandErlaubt.equals("false"))
				isZukuenftigerStandErlaubt = false;

			// Link zur Neuanmeldung beim XML-Frontend, Freiburg will abschalten
			String xmlReturnLink = config.getInitParameter("xml_return_link");
			if (xmlReturnLink != null && xmlReturnLink.equals("false"))
				isXMLReturnLinkWanted = false;
			String last_sql_extra_page = config
					.getInitParameter("last_sql_extra_page");
			if (last_sql_extra_page != null
					&& last_sql_extra_page.equals("false"))
				isLastSqlExtraPageWanted = false;
			String xsl_parser = config.getInitParameter("xsl_processor");
			if (xsl_parser != null)
				TransletUtils.initFactory(xsl_parser,
						"org.apache.xalan.xsltc.trax.TransformerFactoryImpl");
			else
				TransletUtils.initFactory(
						"net.sf.saxon.TransformerFactoryImpl", null);
			logger.debug("Using xsl processor: " +
					TransletUtils.getUsedProcessor());
			SuperXManager.sharedSecret = config
					.getInitParameter("sharedSecret");
			if (SuperXManager.sharedSecret == null) {
				SuperXManager.sharedSecret = "";
			}

			String mxr = config.getInitParameter("maxRows");
			if (mxr != null && !mxr.equals(""))
				SuperXManager.maxRows = (Integer.parseInt(mxr));
			logger.warn("SuperXManager: maxRows: " + Integer.valueOf(SuperXManager.maxRows) + " (wenn mehr geliefert wird, werden die zusaetzlichen Datenzeilen ignoriert)");
			String defaultXsl;
			String moduleDir="";
			defaultXsl = config.getInitParameter("defaultMaskXsl");
			if (defaultXsl != null && !defaultXsl.trim().equals("")) {
				SuperXManager.defaultMaskXsl = defaultXsl;
				logger.debug("SuperXManager: defaultMaskXsl: " + SuperXManager.defaultMaskXsl);
				if(defaultXsl.equals("maske_html_his1.xsl"))
				{isHis1=true;
				moduleDir=SuperXManager.getWEB_INFPfad()+ File.separator + "conf" + File.separator + "edustore"
						+ File.separator + "db" + File.separator + "module" ;
				}
				else
				{isHis1=false;
				if(System.getProperty("MODULE_PFAD") != null 
						&& !System.getProperty("MODULE_PFAD").toString().equals(""))
					moduleDir=System.getProperty("MODULE_PFAD").toString();
				else
					moduleDir=SuperXManager.getWEB_INFPfad()+ File.separator + ".." + File.separator 
						+  ".." + File.separator 
						+ ".." + File.separator
						+ ".." + File.separator
						+ ".." + File.separator
						+ "db" + File.separator + "module" ; //default kann durch setModuleDir überschrieben werden (KettleExecutor)
				}
				logger.debug("SuperXManager: MODULE_PFAD: " +moduleDir);
				setModuleDir(moduleDir);
			}
			defaultXsl = config.getInitParameter("defaultTableHtmlXsl");
			if (defaultXsl != null && !defaultXsl.trim().equals("")) {
				SuperXManager.defaultTableHtmlXsl = defaultXsl;
				logger.debug("SuperXManager: defaultTableHtmlXsl: " +
						SuperXManager.defaultTableHtmlXsl);
			}

			defaultXsl = config.getInitParameter("defaultTableXlsXsl");
			if (defaultXsl != null && !defaultXsl.trim().equals("")) {
				SuperXManager.defaultTableXlsXsl = defaultXsl;
				logger.debug("SuperXManager: defaultTableXlsXsl: " +
						SuperXManager.defaultTableXlsXsl);
			}
			defaultXsl = config.getInitParameter("defaultTablePdfXsl");
			if (defaultXsl != null && !defaultXsl.trim().equals("")) {
				SuperXManager.defaultTablePdfXsl = defaultXsl;
				logger.debug("SuperXManager: defaultTablePdfXsl: " +
						SuperXManager.defaultTablePdfXsl);
			}

			String f1 = config.getInitParameter("field1Cache");
			if (f1 != null && !f1.equals(""))
				field1Cache = f1;
			
			String rc=config.getInitParameter("isResponseCompressionWanted");
			if (rc!=null&&rc.equalsIgnoreCase("false")) isResponseCompressionWanted=false;
			String lh=config.getInitParameter("sendBackLocalizedHtml");
			if (lh!=null&&!lh.equalsIgnoreCase("")) sendBackLocalizedHtml=lh;

			
			String sichtcache = config.getInitParameter("sichtenCaching");
			if (sichtcache != null && sichtcache.equalsIgnoreCase("false"))
				isSichtenCachingWanted = false;
			// f1=config.getInitParameter("userField1Cache");
			// if (f1!=null&&!f1.equals(""))
			// userField1Cache=f1;
			 noSessionFieldDefaults=","+config.getInitParameter("noSessionFieldDefaults")+",";
			if (noSessionFieldDefaults==null) noSessionFieldDefaults="";

			csvEncoding=config.getInitParameter("CSV-Encoding");
			if (csvEncoding==null || csvEncoding.equalsIgnoreCase("")) 
				csvEncoding=SqlStringUtils.getEncoding();
			else
				csvEncoding=csvEncoding.trim();

			try {
				initKettleEnv();
			} catch (Exception e) {
				e.printStackTrace();
				System.err.println("Kettle konnte nicht initialisiert werden.DETAILS:" + e.getMessage());
			}
			try {
				SxPools.init();
				initAll();

				initStandardXsl();
				
				cashUpdater.start();
			} catch (Exception e) {
				e.printStackTrace();
				throw new ServletException(
						"SuperX konnte nicht initialisiert werden.DETAILS:" + e.getMessage());
			}
			logger.debug("SuperXInit finished after " + ((new Date()).getTime() - start.getTime()) + " millis");
		}
	}
	
	public static void initKettleEnv() {
	    // init kettle environment
	    try {
	        KettleEnvironment.init();
		    KettleLogStore.init();
		    logger.debug("Kettle environment sucessfully initialized.");
	    } catch (KettleException e) {
	        logger.error("Couldn't initialize KettleEnvironment!", e);
	    }
	    // DBHandlerDataSourceProviderInterface to access HIS1 DBHandler as DataSources
	    
	    //hatte für Mandanten nicht funktioniert
	    //DataSourceProviderFactory.setDataSourceProviderInterface(new KettleDataSourceProvider("default",logger));
	    
	    // init KettleLogStore
	}

	private final static class CacheUpdater extends Thread {
		private java.util.Date lastUpdate;
		private boolean isActive = true;

		public void run() {
			while (isActive) {
				java.util.Date now = new java.util.Date();
				try {
					Thread.sleep(30 * 60 * 1000);

				} catch (InterruptedException e) {
					// e.printStackTrace();
				}
				if (now.getHours() == 7
						&& (lastUpdate == null || lastUpdate.getDay() != now
								.getDay())) {
					try {
						logger.info(DateUtils.getTodayString() + " " + DateUtils.getNowString() + " Server-Cache-Aktualisierung");
						SuperXManager.initAll();
						lastUpdate = now;
					} catch (Exception e) {
						logger.error("Server-Cache-Aktualisierung fehlgeschlagen:", e);
					}

				}
				// else System.out.println(DateUtils.getNowString()+
				// " keine Server-Cache akt.");
			}
		}

		public boolean isActive() {
			return isActive;
		}

		public void setActive(boolean isActive) {
			this.isActive = isActive;
		}
	}
	/**
	 * Seitenkopf für html-Seiten, die direkt ohne xslt ausgegeben werden
	 * @param titel Titel für die html- Seite
     * @return html-Schnipsel vom head bis Anfang body-Tag
	 */
	public static String htmlPageHead(String title) {
	    //TODO: Seiten Kopf dynamisch aus web.xml oder besser sx_captions:
	    String ret="<html><head><title>"+title+"</title><link rel=\"stylesheet\" type=\"text/css\" href=\"../style/superx.css\" />" +
	    		"<link rel=\"stylesheet\" type=\"text/css\" href=\"/superx/xml/his1/css/HISinOneErrorMessages.css\" />"+
	    		"<link rel=\"stylesheet\" type=\"text/css\" href=\"../style/bulma.css\" />" +
	                    "<META HTTP-EQUIV=\"CACHE-CONTROL\" CONTENT=\"NO-CACHE\" />"
                            + " <META HTTP-EQUIV=\"PRAGMA\" CONTENT=\"NO-CACHE\" />"
                            + " <META HTTP-EQUIV=\"EXPIRES\" CONTENT=\"0\"/>"+
                    "<link rel=\"stylesheet\" type=\"text/css\" href=\"../xml/superxml_html.css\" /></head>\n<body><div class=\"box\">\n";
	    if (isHis1) {
                      ret += "<link rel='stylesheet' type='text/css' href='/superx/xml/his1/css/HISinOne.css'>\n"
                    +"<a href='/superx/servlet/SuperXmlAbmeldung' target='_parent' style='cursor:pointer; font-weight: bold;' class='ui-link'>Abmelden von Standardberichte</a>";
	    }
	    return ret;
	}
	public static void setModuleDir(String md)
	{
		moduleDir=md;
	}
	public static String getModuleDir()
	{
		return moduleDir ;
	}
	
	private void initLdapPasswordCheckingIfConfigured() {
		File superxStandaloneLdapConfigFile = new File(
				SuperXManager.webinfPfad + File.separator + "superx_standalone_ldap.properties");
		if (superxStandaloneLdapConfigFile.exists()) {
			System.out.println(" Passwortkontrolle via LDAP wird aktiviert");
			isStandaloneLdapActive = true;
			try {
				LdapPasswordChecker.setup(superxStandaloneLdapConfigFile);
			} catch (Exception e) {
				System.out.println(" Konfiguration Passwordkontrolle via LDAP fehlgeschlagen " + e);
				e.printStackTrace();
			}

		}

	}
	public static boolean isStandaloneLdapActive() {
		return isStandaloneLdapActive;
	}
	private void initHttpGetAccessGuard() {
        httpGetAccessGuard = new HttpGetAccessGuard();
        String blacklist_filename = SuperXManager.getWEB_INFPfad() + File.separator +
                "http_get_masken_blacklist.txt";
        String blacklist_custom_filename = SuperXManager.getWEB_INFPfad() + File.separator +
                "http_get_masken_blacklist_custom.txt";
        String whitelist_filename = SuperXManager.getWEB_INFPfad() + File.separator +
                "http_get_masken_whitelist.txt";
        httpGetAccessGuard.setBlacklist(parseWhiteBlacklistFile(blacklist_filename));
        httpGetAccessGuard.setBlacklist_custom(parseWhiteBlacklistFile(blacklist_custom_filename));
        httpGetAccessGuard.setWhitelist(parseWhiteBlacklistFile(whitelist_filename));
    }

    private Set<Integer> parseWhiteBlacklistFile(String list_filename) {
        File list_file = new File(list_filename);
        if (list_file.exists()) {
            try {
                String content = de.memtext.util.StringUtils.readFile(list_file);
                return HttpGetAccessListParser.parseList(content);
            } catch (IOException e) {
                logger.error("could not read file '" + list_file.getAbsolutePath());
            } catch (NumberFormatException e) {
                logger.error("could not parse file '" + list_file.getAbsolutePath(), e);
            }
        }
        return null;
    }
}