X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=source%2Fmir%2Fmisc%2FStringUtil.java;h=3daf5005b2d51a36f1f449cbec2c7bc71b4030cc;hb=3beba5fd39a5d60ba5b87064ddf11dea30b78413;hp=5ec18689e6b2633ae66d6b6ba8a4a8fc98f74432;hpb=8563841098b6ab3e6233f61519e58b41dcc30266;p=mir.git

diff --git a/source/mir/misc/StringUtil.java b/source/mir/misc/StringUtil.java
index 5ec18689..3daf5005 100755
--- a/source/mir/misc/StringUtil.java
+++ b/source/mir/misc/StringUtil.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.
  *
@@ -18,68 +18,61 @@
  * 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.misc;
 
-import  java.io.*;
-import  java.lang.*;
-import  java.util.*;
-import  java.text.NumberFormat;
-import  gnu.regexp.*;
+import gnu.regexp.RE;
+import gnu.regexp.REException;
+
+import java.io.File;
+import java.text.NumberFormat;
+import java.util.Calendar;
+import java.util.*;
+import java.util.StringTokenizer;
 
 /**
  * Statische Hilfsmethoden zur Stringbehandlung
  *
- * @version $Revision: 1.24 $ $Date: 2002/09/01 22:05:50 $
- * @author $Author: mh $
- *
- * $Log: StringUtil.java,v $
- * Revision 1.24  2002/09/01 22:05:50  mh
- * Mir goes GPL
- *
- * Revision 1.23.2.1  2002/09/01 21:31:40  mh
- * Mir goes GPL
- *
- * Revision 1.23  2002/06/28 20:39:37  mh
- * added numberformat helper. make webdbDate2readableDate use webdb_create instead. make the order and appearance of it more consistent. cvs macros. and finally code tidying
- *
+ * @version $Id: StringUtil.java,v 1.33.2.1 2003/06/23 15:24:06 zapata Exp $
+ * @author mir-coders group
  *
  */
 public final class StringUtil {
 
-	private static RE   re_newline2br, re_brbr2p, re_mail, re_url, re_tags;
-
-	private StringUtil() { }  // this avoids contruction
-
-	static {
-		try {
-			//precompile regex
-			re_newline2br = new RE("(\r?\n){1}");
-			re_brbr2p     = new RE("(<br>\r?\n<br>){1,}");
-			re_mail       = new RE("([a-zA-Z0-9_.-]+)@([a-zA-Z0-9_-]+).([a-zA-Z0-9_.-]+)");
-			re_url        = new RE("((https://)|(http://)|(ftp://)){1}([a-zA-Z0-9_-]+).([a-zA-Z0-9_.:-]+)/?([^ \t\r\n<>\\)\\]]+[^ \t\r\n.,<>\\)\\]])");
-			re_tags       = new RE("<[^>]*>",RE.REG_ICASE);
-		}
-		catch (REException e){
-			System.err.println("FATAL: StringUtil: could not precompile REGEX: "+e.toString());
-		}
-	}
+  private static RE   re_newline2br, re_brbr2p, re_mail, re_url, re_tags,
+                      re_tables, re_forbiddenTags;
+
+  private StringUtil() { }  // this avoids contruction
+
+  static {
+    try {
+      //precompile regex
+      re_newline2br = new RE("(\r?\n){1}");
+      re_brbr2p     = new RE("(<br>\r?\n<br>){1,}");
+      re_mail       = new RE("([a-zA-Z0-9_.-]+)@([a-zA-Z0-9_-]+)\\.([a-zA-Z0-9_.-]+)");
+      re_url        = new RE("((https://)|(http://)|(ftp://)){1}([a-zA-Z0-9_-]+).([a-zA-Z0-9_.:-]+)/?([^ \t\r\n<>\\)\\]]+[^ \t\r\n.,<>\\)\\]])");
+      re_tags       = new RE("<[^>]*>",RE.REG_ICASE);
+      re_tables = new RE("<[ \t\r\n/]*(table|td|tr)[ \t\r\n]*>",RE.REG_ICASE);
+      re_forbiddenTags = new RE("<[ \t\r\n/]*(body|head|script)[ \t\r\n]*>",RE.REG_ICASE);
+    }
+    catch (REException e){
+      System.err.println("FATAL: StringUtil: could not precompile REGEX: "+e.toString());
+    }
+  }
 
   /**
    * Formats a number with the specified minimum and maximum number of digits.
    **/
   public static synchronized String zeroPaddingNumber(long value, int minDigits,
-                                                      int maxDigits)
+      int maxDigits)
   {
     NumberFormat numberFormat = NumberFormat.getInstance();
     numberFormat.setMinimumIntegerDigits(minDigits);
@@ -87,896 +80,360 @@ public final class StringUtil {
     return numberFormat.format(value);
   }
 
-	/**
-	 * Wandelt Datum in einen 8-ziffrigen String um (yyyymmdd)
-	 * @param theDate
-	 * @return 8-ziffriger String (yyyymmdd)
-	 */
-
-	public static final String date2webdbDate (GregorianCalendar theDate) {
-		StringBuffer webdbDate = new StringBuffer();
-		webdbDate.append(String.valueOf(theDate.get(Calendar.YEAR)));
-		webdbDate.append(pad2(theDate.get(Calendar.MONTH) + 1));
-		webdbDate.append(pad2(theDate.get(Calendar.DATE)));
-		return  webdbDate.toString();
-	}
-
-	/**
-	 * Wandelt Calendar in einen 12-ziffrigen String um (yyyymmddhhmm)
-	 * @param theDate
-	 * @return 12-ziffriger String (yyyymmdd)
-	 */
-
-	public static final String date2webdbDateTime (GregorianCalendar theDate) {
-		StringBuffer webdbDate = new StringBuffer();
-		webdbDate.append(String.valueOf(theDate.get(Calendar.YEAR)));
-		webdbDate.append(pad2(theDate.get(Calendar.MONTH) + 1));
-		webdbDate.append(pad2(theDate.get(Calendar.DATE)));
-		webdbDate.append(pad2(theDate.get(Calendar.HOUR)));
-		webdbDate.append(pad2(theDate.get(Calendar.MINUTE)));
-		return  webdbDate.toString();
-	}
-
-	/**
-	 * Return a http://www.w3.org/TR/NOTE-datetime formatted date (yyyy-mm-ddThh:mm:ssTZ)
-	 * @param theDate
-	 * @return w3approved datetime
-	 */
-
-	public static final String date2w3DateTime (GregorianCalendar theDate) {
-		StringBuffer webdbDate = new StringBuffer();
-		webdbDate.append(String.valueOf(theDate.get(Calendar.YEAR)));
-		webdbDate.append("-");
-		webdbDate.append(pad2(theDate.get(Calendar.MONTH) + 1));
-		webdbDate.append("-");
-		webdbDate.append(pad2(theDate.get(Calendar.DATE)));
-		webdbDate.append("T");
-		webdbDate.append(pad2(theDate.get(Calendar.HOUR)));
-		webdbDate.append(":");
-		webdbDate.append(pad2(theDate.get(Calendar.MINUTE)));
-		webdbDate.append(":");
-		webdbDate.append(pad2(theDate.get(Calendar.SECOND)));
-		//assumes you are an hour-multiple away from UTC....
-		int offset=(theDate.get(Calendar.ZONE_OFFSET)/(60*60*1000));
-		if (offset < 0){
-		webdbDate.append("-");
-		}
-		else{
-		webdbDate.append("+");
-		}
-		webdbDate.append(pad2(Math.abs(offset)));
-		webdbDate.append(":00");
-		return  webdbDate.toString();
-	}
-
-	/**
-	 * wandelt Calendar in dd.mm.yyyy / hh.mm um
-	 * @param theDate
-	 * @return String mit (dd.mm.yyyy / hh.mm um)
-	 */
-	public static String date2readableDateTime (GregorianCalendar theDate) {
-		String readable = "";
-		int hour;
-		readable += pad2(theDate.get(Calendar.DATE));
-		readable += "." + pad2(theDate.get(Calendar.MONTH) + 1);
-		readable += "." + String.valueOf(theDate.get(Calendar.YEAR));
-		hour = theDate.get(Calendar.HOUR);
-		if (theDate.get(Calendar.AM_PM) == Calendar.PM)
-			hour += 12;
-		readable += " / " + pad2(hour);
-		readable += ":" + pad2(theDate.get(Calendar.MINUTE));
-		return  readable;
-	}
-
-	/**
-	 * wandelt eine Datum in einen 8-buchstabigen String, der durch <code>/</code>
-	 * getrennt ist.
-	 *
-	 * @param webdbDate
-	 * @return String mit <code>/yyyy/mm/dd</code>
-	 */
-	public static final String webdbDate2path (String webdbDate) {
-		StringBuffer path = new StringBuffer();
-		path.append("/").append(webdbDate.substring(0, 4));
-		path.append("/").append(webdbDate.substring(4, 6));
-		path.append("/");
-		//who did this?
-		//path.append("/").append(webdbDate.substring(6, 8));
-		return  path.toString();
-	}
-
-	/**
-	 * wandelt Calendar in dd.mm.yyyy um
-	 *
-	 * @param theDate
-	 * @return String mit  <code>yyyy.mm.dd</code>
-	 */
-	public static final String webdbDate2readableDate (String webdbDate) {
-		String date = "";
-		date += webdbDate.substring(0, 4);
-		date += "-" + webdbDate.substring(5, 7);
-		date += "-"+webdbDate.substring(8, 10);
-		return  date;
-	}
-
-
-	/**
-	 * converts string from format: yyyy-mm-dd__hh:mm:ss.d
-	 * to dd.mm.yyyy hh:mm
-	 */
-	public static String dateToReadableDate(String date) {
-		StringBuffer returnDate = new StringBuffer();
-		if (date!=null) {
-
-			returnDate.append(date.substring(8,10)).append('.');
-			returnDate.append(date.substring(5,7)).append('.');
-			returnDate.append(date.substring(0,4)).append(' ');
-			returnDate.append(date.substring(11,16));
-		}
-		return returnDate.toString();
-	}
-        
   /**
-	 * converts string from format: yyyy-mm-dd__hh:mm:ss.dddddd+TZ
-	 * to yyyy-mm-ddThh:mm:ss+TZ:00 (w3 format for Dublin Core)
-	 */
-	public static String webdbdateToDCDate(String date) {
-		StringBuffer returnDate = new StringBuffer();
-		if (date!=null) {
-      returnDate.append(date.substring(0,10));
-      returnDate.append("T");
-      returnDate.append(date.substring(11,19));
-      //String tzInfo=date.substring(26,29);
-      //if (tzInfo.equals("+00")){
-      //UTC gets a special code in w3 dates
-      //    returnDate.append("Z");
-      //}
-      //else{
-      //need to see what a newfoundland postgres
-      //timestamp looks like before making this robust
-      //    returnDate.append(tzInfo);
-      //    returnDate.append(":00");
-      //}
-
-		}
-		return returnDate.toString();
-	}
-
-
-	/**
-	 * converts string from format: yyyy-mm-dd__hh:mm:ss.d
-	 * to yyyy
-	 */
-	public static String dateToYear (String date) {
-		StringBuffer returnDate = new StringBuffer();
-		if (date!=null) {
-
-			returnDate.append(date.substring(0,4));
-		}
-		return returnDate.toString();
-	}
-
-	/**
-	 * converts string from format: yyyy-mm-dd__hh:mm:ss.d
-	 * to [m]m
-	 */
-	public static String dateToMonth (String date) {
-		StringBuffer returnDate = new StringBuffer();
-		if (date!=null) {
-			if (!date.substring(5,6).equalsIgnoreCase("0")) returnDate.append(date.substring(5,7));
-			else returnDate.append(date.substring(6,7));
-		}
-		return returnDate.toString();
-	}
-
-	/**
-	 * converts string from format: yyyy-mm-dd__hh:mm:ss.d
-	 * to [d]d
-	 */
-	public static String dateToDayOfMonth (String date) {
-		StringBuffer returnDate = new StringBuffer();
-		if (date!=null) {
-			if (!date.substring(8,9).equalsIgnoreCase("0")) returnDate.append(date.substring(8,10));
-			else returnDate.append(date.substring(9,10));
-		}
-		return returnDate.toString();
-	}
-
-	/**
-	 * converts string from format: yyyy-mm-dd__hh:mm:ss.d
-	 * to hh:mm
-	 */
-	public static String dateToTime (String date) {
-		StringBuffer returnDate = new StringBuffer();
-		if (date!=null) {
-			returnDate.append(date.substring(11,16));
-		}
-		return returnDate.toString();
-	}
-
-    /**
-     * Splits the provided CSV text into a list. stolen wholesale from
-     * from Jakarta Turbine StrinUtils.java -mh
-     *
-     * @param text      The CSV list of values to split apart.
-     * @param separator The separator character.
-     * @return          The list of values.
-     */
-    public static String[] split(String text, String separator)
-    {
-        StringTokenizer st = new StringTokenizer(text, separator);
-        String[] values = new String[st.countTokens()];
-        int pos = 0;
-        while (st.hasMoreTokens())
-        {
-            values[pos++] = st.nextToken();
-        }
-        return values;
+   * Wandelt Datum in einen 8-ziffrigen String um (yyyymmdd)
+   * @param theDate
+   * @return 8-ziffriger String (yyyymmdd)
+   */
+
+  public static final String date2webdbDate (GregorianCalendar theDate) {
+    StringBuffer webdbDate = new StringBuffer();
+    webdbDate.append(String.valueOf(theDate.get(Calendar.YEAR)));
+    webdbDate.append(pad2(theDate.get(Calendar.MONTH) + 1));
+    webdbDate.append(pad2(theDate.get(Calendar.DATE)));
+    return  webdbDate.toString();
+  }
+
+  /**
+   * Wandelt Calendar in einen 12-ziffrigen String um (yyyymmddhhmm)
+   * @param theDate
+   * @return 12-ziffriger String (yyyymmdd)
+   */
+
+  public static final String date2webdbDateTime (GregorianCalendar theDate) {
+    StringBuffer webdbDate = new StringBuffer();
+    webdbDate.append(String.valueOf(theDate.get(Calendar.YEAR)));
+    webdbDate.append(pad2(theDate.get(Calendar.MONTH) + 1));
+    webdbDate.append(pad2(theDate.get(Calendar.DATE)));
+    webdbDate.append(pad2(theDate.get(Calendar.HOUR)));
+    webdbDate.append(pad2(theDate.get(Calendar.MINUTE)));
+    return  webdbDate.toString();
+  }
+
+  /**
+   * Return a http://www.w3.org/TR/NOTE-datetime formatted date (yyyy-mm-ddThh:mm:ssTZ)
+   * @param theDate
+   * @return w3approved datetime
+   */
+
+  public static final String date2w3DateTime (GregorianCalendar theDate) {
+    StringBuffer webdbDate = new StringBuffer();
+    webdbDate.append(String.valueOf(theDate.get(Calendar.YEAR)));
+    webdbDate.append("-");
+    webdbDate.append(pad2(theDate.get(Calendar.MONTH) + 1));
+    webdbDate.append("-");
+    webdbDate.append(pad2(theDate.get(Calendar.DATE)));
+    webdbDate.append("T");
+    webdbDate.append(pad2(theDate.get(Calendar.HOUR)));
+    webdbDate.append(":");
+    webdbDate.append(pad2(theDate.get(Calendar.MINUTE)));
+    webdbDate.append(":");
+    webdbDate.append(pad2(theDate.get(Calendar.SECOND)));
+    //assumes you are an hour-multiple away from UTC....
+    int offset=(theDate.get(Calendar.ZONE_OFFSET)/(60*60*1000));
+    if (offset < 0){
+      webdbDate.append("-");
     }
+    else{
+      webdbDate.append("+");
+    }
+    webdbDate.append(pad2(Math.abs(offset)));
+    webdbDate.append(":00");
+    return  webdbDate.toString();
+  }
+
+  /**
+   * wandelt Calendar in dd.mm.yyyy / hh.mm um
+   * @param theDate
+   * @return String mit (dd.mm.yyyy / hh.mm um)
+   */
+  public static String date2readableDateTime (GregorianCalendar theDate) {
+    String readable = "";
+    int hour;
+    readable += pad2(theDate.get(Calendar.DATE));
+    readable += "." + pad2(theDate.get(Calendar.MONTH) + 1);
+    readable += "." + String.valueOf(theDate.get(Calendar.YEAR));
+    hour = theDate.get(Calendar.HOUR);
+    if (theDate.get(Calendar.AM_PM) == Calendar.PM)
+      hour += 12;
+    readable += " / " + pad2(hour);
+    readable += ":" + pad2(theDate.get(Calendar.MINUTE));
+    return  readable;
+  }
 
-    /**
-     * Joins the elements of the provided array into a single string
-     * containing a list of CSV elements. Stolen wholesale from Jakarta
-     * Turbine StringUtils.java. -mh
-     *
-     * @param list      The list of values to join together.
-     * @param separator The separator character.
-     * @return          The CSV text.
-     */
-    public static String join(String[] list, String separator)
-    {
-        StringBuffer csv = new StringBuffer();
-        for (int i = 0; i < list.length; i++)
-        {
-            if (i > 0)
-            {
-                csv.append(separator);
-            }
-            csv.append(list[i]);
-        }
-        return csv.toString();
+  /**
+  *  deleteForbiddenTags
+  *  this method deletes all <script>, <body> and <head>-tags
+  */
+  public static final String deleteForbiddenTags(String haystack) {
+    return re_forbiddenTags.substituteAll(haystack,"");
+  }
+
+  /**
+   *  deleteHTMLTableTags
+   *  this method deletes all <table>, <tr> and <td>-tags
+   */
+  public static final String deleteHTMLTableTags(String haystack) {
+    return re_tables.substituteAll(haystack,"");
+  }
+
+  /**
+   * wandelt eine Datum in einen 8-buchstabigen String, der durch <code>/</code>
+   * getrennt ist.
+   *
+   * @param webdbDate
+   * @return String mit <code>/yyyy/mm/dd</code>
+   */
+  public static final String webdbDate2path (String webdbDate) {
+    StringBuffer path = new StringBuffer();
+    path.append("/").append(webdbDate.substring(0, 4));
+    path.append("/").append(webdbDate.substring(4, 6));
+    path.append("/");
+    //who did this?
+    //path.append("/").append(webdbDate.substring(6, 8));
+    return  path.toString();
+  }
+
+  /**
+   * Ersetzt in String <code>s</code> das Regexp <code>pattern</code> durch <code>substitute</code>
+   * @param s
+   * @param pattern
+   * @param substitute
+   * @return String mit den Ersetzungen
+   */
+  public static String regexpReplace(String haystack, String pattern, String substitute) {
+    try {
+      RE regex = new RE(pattern);
+      return regex.substituteAll(haystack,substitute);
+    } catch(REException ex){
+      return null;
     }
+  }
 
+  /**
+   * L?scht <code>/</code> am Ende des Strings, falls vorhanden
+   * @param path
+   * @return String ohne <code>/</code> am Ende
+   */
+  public static final String removeSlash (String path) {
+    return  path.length() > 1 && path.endsWith("/") ? path.substring(0, path.length()
+        - 1) : path;
+  }
+
+  /**
+   * formatiert eine Zahl (0-99) zweistellig (z.B. 5 -> 05)
+   * @return zwistellige Zahl
+   */
+  public static String pad2 (int number) {
+    return  number < 10 ? "0" + number : String.valueOf(number);
+  }
 
-	/**
-	 * schließt einen String in Anführungsszeichen ein, falls er Leerzeichen o.ä. enthält
-	 *
-	 * @return gequoteter String
-	 */
-	 public static String quoteIfNecessary(String s) {
-		for (int i = 0; i < s.length(); i++)
-			if (!(Character.isLetterOrDigit(s.charAt(i)) || s.charAt(i) == '.'))
-				return quote(s, '"');
-		return s;
-	}
-
-	 /**
-	 * schließt <code>s</code> in <code>'</code> ein und setzt Backslashes vor
-	 * "gefährliche" Zeichen innerhalb des Strings
-	 * Quotes special SQL-characters in <code>s</code>
-	 *
-	 * @return geqoteter String
-	 */
-	public static String quote(String s)
-	{
-		//String s2 = quote(s, '\'');
-		//Quickhack	ÊÊ Ê Ê Ê Ê Ê Ê
-		//Because of '?-Bug in Postgresql-JDBC-Driver
-		StringBuffer temp = new StringBuffer();
-		for(int i=0;i<s.length();i++){
-			if(s.charAt(i)=='\''){
-				temp.append("&#39;");
-			} else {
-				temp.append(s.charAt(i));
-			}
-		}
-		String s2 = temp.toString();
-		//end Quickhack
-		
-		s2 = quote(s2, '\"');
-		return s2;
-	}
-
-	/**
-	 * schließt <code>s</code> in <code>'</code> ein und setzt Backslashes vor
-	 * "gefährliche" Zeichen innerhalb des Strings
-	 *
-	 * @param s String, der gequoted werden soll
-	 * @param quoteChar zu quotendes Zeichen
-	 * @return gequoteter String
-	 */
-	public static String quote(String s, char quoteChar)
-	{
-		StringBuffer buf = new StringBuffer(s.length());
-		int pos = 0;
-		while (pos < s.length()) {
-			int i = s.indexOf(quoteChar, pos);
-			if (i < 0) i = s.length();
-			buf.append(s.substring(pos, i));
-			pos = i;
-			if (pos < s.length()) {
-				buf.append('\\');
-				buf.append(quoteChar);
-				pos++;
-			}
-		}
-		return buf.toString();
-	}
-
-	/**
-	 * replaces dangerous characters in <code>s</code>
-	 *
-	 */
-
-	public static String unquote(String s)
-	{
-		char quoteChar='\'';
-		StringBuffer buf = new StringBuffer(s.length());
-		int pos = 0;
-		String searchString = "\\"+quoteChar;
-		while (pos < s.length()) {
-			int i = s.indexOf(searchString, pos);
-			if (i < 0) i = s.length();
-			buf.append(s.substring(pos, i));
-			pos = i+1;
-		}
-		return buf.toString();
-	}
-
-	/**
-	 * Wandelet String in byte[] um.
-	 * @param s
-	 * @return byte[] des String
-	 */
-
-	public static byte[] stringToBytes(String s) {
-		String crlf = System.getProperty("line.separator");
-		if (!crlf.equals("\n"))
-			s = replace(s, "\n", crlf);
-		// byte[] buf = new byte[s.length()];
-		byte[] buf = s.getBytes();
-		return buf;
-	}
-
-		/**
-	 * Ersetzt in String <code>s</code> das <code>pattern</code> durch <code>substitute</code>
-	 * @param s
-	 * @param pattern
-	 * @param substitute
-	 * @return String mit den Ersetzungen
-	 */
-	public static String replace(String s, String pattern, String substitute) {
-		int i = 0, pLen = pattern.length(), sLen = substitute.length();
-		StringBuffer buf = new StringBuffer(s.length());
-		while (true) {
-			int j = s.indexOf(pattern, i);
-			if (j < 0) {
-				buf.append(s.substring(i));
-				break;
-			} else {
-				buf.append(s.substring(i, j));
-				buf.append(substitute);
-				i = j+pLen;
-			}
-		}
-		return buf.toString();
-	}
-
-	/**
-	 * Ersetzt in String <code>s</code> das Regexp <code>pattern</code> durch <code>substitute</code>
-	 * @param s
-	 * @param pattern
-	 * @param substitute
-	 * @return String mit den Ersetzungen
-	 */
-	public static String regexpReplace(String haystack, String pattern, String substitute) {
-		try {
-			RE regex = new RE(pattern);
-			return regex.substituteAll(haystack,substitute);
-		} catch(REException ex){
-			return null;
-		}
-	}
-
-
-
-
-	/**
-	 * Fügt einen Separator an den Pfad an
-	 * @param path
-	 * @return Pfad mit Separator am Ende
-	 */
-	public static final String addSeparator (String path) {
-		return  path.length() == 0 || path.endsWith(File.separator) ? path : path
-				+ File.separatorChar;
-	}
-
-	/**
-	 * Fügt ein <code>/</code> ans ende des Strings and
-	 * @param path
-	 * @return Pfad mit <code>/</code> am Ende
-	 */
-	public static final String addSlash (String path) {
-		return  path.length() == 0 || path.endsWith("/") ? path : path + '/';
-	}
-
-	/**
-	 * Löscht <code>/</code> am Ende des Strings, falls vorhanden
-	 * @param path
-	 * @return String ohne <code>/</code> am Ende
-	 */
-	public static final String removeSlash (String path) {
-		return  path.length() > 1 && path.endsWith("/") ? path.substring(0, path.length()
-				- 1) : path;
-	}
-
-	/**
-	 * Checks to see if the path is absolute by looking for a leading file
-	 * separater
-	 * @param path
-	 * @return
-	 */
-	public static boolean isAbsolutePath (String path) {
-		return  path.startsWith(File.separator);
-	}
-
-	/**
-	 * Löscht Slash am Anfang des Strings
-	 * @param path
-	 * @return
-	 */
-	public static String removeFirstSlash (String path) {
-		return  path.startsWith("/") ? path.substring(1) : path;
-	}
-
-	/**
-	 * formatiert eine Zahl (0-99) zweistellig (z.B. 5 -> 05)
-	 * @return zwistellige Zahl
-	 */
-	public static String pad2 (int number) {
-		return  number < 10 ? "0" + number : String.valueOf(number);
-	}
-
-	/**
-	 * formatiert eine Zahl (0-999) dreistellig (z.B. 7 -> 007)
-	 *
-	 * @return 3-stellige Zahl
-	 */
-	public static String pad3 (int number) {
-		return  number < 10 ? "00" + number : number < 100 ? "0" + number : String.valueOf(number);
-	}
-
-	/**
-	 * Konvertiert Unix-Linefeeds in Win-Linefeeds
-	 * @param s
-	 * @return Konvertierter String
-	 */
-	public static String unixLineFeedsToWin(String s) {
-		int i = -1;
-		while (true) {
-			i = s.indexOf('\n', i+1);
-			if (i < 0) break;
-			if ((i == 0 || s.charAt(i-1) != '\r') &&
-				(i == s.length()-1 || s.charAt(i+1) != '\r')) {
-				s = s.substring(0, i)+'\r'+s.substring(i);
-				i++;
-			}
-		}
-		return s;
-	}
-
-
-	/**
-	 * verwandelt einen String in eine gültige Url, konvertiert Sonderzeichen
-	 * und Spaces werden zu Underscores
-	 *
-	 * @return gültige Url
-	 */
-	public static String convert2url(String s) {
-		s = toLowerCase(s);
-		StringBuffer buf = new StringBuffer();
-		for(int i = 0; i < s.length(); i++ ) {
-				switch( s.charAt( i ) ) {
-				case 'ö':
-			buf.append( "oe" ); break;
-				case 'ä':
-			buf.append( "ae" ); break;
-				case 'ü':
-			buf.append( "ue" ); break;
-				case 'ã':
-			buf.append( "a" ); break;
-				case '´':
-				case '.':
-			buf.append( "_" ); break;
-				case ' ':
-			if( buf.charAt( buf.length() - 1 ) != '_' ) {
-					buf.append( "_" );
-			}
-			break;
-				default:
-			buf.append( s.charAt( i ) );
-				}
-		}
-		return buf.toString();
-	}
-
-
-	public static String decodeHTMLinTags(String s){
-		StringBuffer buffer = new StringBuffer();
-		boolean start = false;
-		boolean stop = false;
-		int startIndex = 0;
-		int stopIndex = 0;
-		int temp = 0;
-
-		for(int i=0;i<s.length();i++){
-			if(s.charAt(i)=='<'){
-				start = true;
-				startIndex = i;
-			} else if(s.charAt(i)=='>'){
-				stop = true;
-				stopIndex = i;
-
-				if(start && stop){
-					buffer.append(s.substring(temp,startIndex));
-					buffer.append(replaceQuot(s.substring(startIndex,stopIndex+1)));
-					i= temp= stopIndex+1;
-					start= stop= false;
-				}
-			}
-		}
-		if(stopIndex>0){
-			buffer.append(s.substring(stopIndex+1));
-			return buffer.toString();
-		} else {
-			return s;
-		}
-	}
-
-	public static String replaceQuot(String s) {
-		StringBuffer buffer = new StringBuffer();
-		for(int j = 0; j < s.length();j++){
-			if(s.charAt(j)=='&'){
-				if(s.indexOf( "&quot;",j) == j) {
-					buffer.append( "\"" );
-					j += 5;
-				}//if
-			} else {
-				buffer.append(s.charAt(j));
-			}//else
-		}//for
-		return buffer.toString();
-	}
-
-	/** wandelt Quotes in Sonderzeichen um
-	 */
-	/**
-	public static String decodeHtml(String s) {
-		StringBuffer buf = new StringBuffer();
-		for(int i=0;i < s.length(); i++ ) {
-			if( s.indexOf( "&ouml;", i ) == i ) {
-				buf.append( "ö" ); i += 5;
-				continue;
-			}
-			if( s.indexOf( "&auml;", i ) == i ) {
-				buf.append( "ä" ); i += 5;
-				continue;
-			}
-			if( s.indexOf( "&uuml;", i ) == i ) {
-				buf.append( "ü" ); i += 5;
-				continue;
-			}
-			if( s.indexOf( "&Ouml;", i ) == i ) {
-				buf.append( "Ö" ); i += 5;
-				continue;
-			}
-			if( s.indexOf( "&Auml;", i ) == i ) {
-				buf.append( "Ä" ); i += 5;
-				continue;
-			}
-			if( s.indexOf( "&Uuml;", i ) == i ) {
-				buf.append( "Ü" ); i += 5;
-				continue;
-			}
-			if( s.indexOf( "&szlig;", i ) == i ) {
-				buf.append( "ß" ); i += 6;
-				continue;
-			}
-			if( s.indexOf( "&quot;", i ) == i ) {
-				buf.append( "\"" ); i += 5;
-				continue;
-			}
-			buf.append( s.charAt(i) );
-		}
-		return buf.toString();
-	}
-	 */
-
-	/**
-	 * schnellere Variante der String.toLowerCase()-Routine
-	 *
-	 * @return String in Kleinbuchsten
-	 */
-	public static String toLowerCase(String s) {
-		int l = s.length();
-		char[] a = new char[l];
-		for (int i = 0; i < l; i++)
-			a[i] = Character.toLowerCase(s.charAt(i));
-		return new String(a);
-	}
-
-		/**
-	 * Findet <code>element</code> im String-Array <code>array</code>
-	 * @param array
-	 * @param element
-	 * @return Fundstelle als int oder -1
-	 */
-	public static int indexOf(String[] array, String element) {
-		if (array != null)
-			for (int i = 0; i < array.length; i++)
-				if (array[i].equals(element))
-					return i;
-		return -1;
-	}
-
-	/**
-	 * Testet auf Vorkommen von <code>element</code> in <code>array</code>
-	 * @param array String-Array
-	 * @param element
-	 * @return true wenn <code>element</code> vorkommt, sonst false
-	 */
-	public static boolean contains(String[] array, String element) {
-		return indexOf(array, element) >= 0;
-	}
-
-		/**
-	 * Ermittelt CRC-Prüfsumme von String <code>s</code>
-	 * @param s
-	 * @return CRC-Prüfsumme
-	 */
-	public static int getCRC(String s) {
-		int h = 0;
-		char val[] = s.toCharArray();
-		int len = val.length;
-
-		for (int i = 0 ; i < len; i++) {
-			h &= 0x7fffffff;
-			h = (((h >> 30) | (h << 1)) ^ (val[i]+i));
-		}
-
-		return (h << 8) | (len & 0xff);
-	}
-
-		/**
-	 * Liefert Default-Wert def zurück, wenn String <code>s</code>
-	 * kein Integer ist.
-	 *
-	 * @param s
-	 * @param def
-	 * @return geparster int aus s oder def
-	 */
-	public static int parseInt(String s, int def) {
-		if (s == null) return def;
-		try {
-			return Integer.parseInt(s);
-		} catch (NumberFormatException e) {
-			return def;
-		}
-	}
-
-	/**
-	 * Liefert Defaultwert def zurück, wenn s nicht zu einem float geparsed werden kann.
-	 * @param s
-	 * @param def
-	 * @return geparster float oder def
-	 */
-	public static float parseFloat(String s, float def) {
-		if (s == null) return def;
-		try {
-			return new Float(s).floatValue();
-		} catch (NumberFormatException e) {
-			return def;
-		}
-	}
-
-		/**
-	 * Findet Ende eines Satzes in String <code>text</code>
-	 * @param text
-	 * @param startIndex
-	 * @return index des Satzendes, oder -1
-	 */
-	public static int findEndOfSentence(String text, int startIndex) {
-		 while (true) {
-			 int i = text.indexOf('.', startIndex);
-			 if (i < 0) return -1;
-			 if (i > 0 && !Character.isDigit(text.charAt(i-1)) &&
-					(i+1 >= text.length()
-					|| text.charAt(i+1) == ' '
-					|| text.charAt(i+1) == '\n'
-					|| text.charAt(i+1) == '\t'))
-					return i+1;
-			 startIndex = i+1;
-		 }
-	}
-
-		/**
-	 * Findet Wortende in String <code>text</code> ab <code>startIndex</code>
-	 * @param text
-	 * @param startIndex
-	 * @return Index des Wortendes, oder -1
-	 */
-	public static int findEndOfWord(String text, int startIndex) {
-		int i = text.indexOf(' ', startIndex),
-			j = text.indexOf('\n', startIndex);
-		if (i < 0) i = text.length();
-		if (j < 0) j = text.length();
-		return Math.min(i, j);
-	}
-
-
-	/**
-	 *  convertNewline2P ist eine regex-routine zum umwandeln von 2 oder mehr newlines (\n)
-	 *  in den html-tag <p>
-	 *  nur sinnvoll, wenn text nicht im html-format eingegeben
-	 */
-	public static String convertNewline2P(String haystack) {
-			return re_brbr2p.substituteAll(haystack,"\n</p><p>");
-	}
-
-	/**
-	 *  convertNewline2Break ist eine regex-routine zum umwandeln von 1 newline (\n)
-	 *  in den html-tag <br>
-	 *  nur sinnvoll, wenn text nicht im html-format eingegeben
-	 */
-	public static String convertNewline2Break(String haystack) {
-		return re_newline2br.substituteAll(haystack,"$0<br />");
-	}
-
-	/**
-	 *  createMailLinks wandelt text im email-adressenformat
-	 *  in einen klickbaren link um
-	 *  nur sinnvoll, wenn text nicht im html-format eingegeben
-	 */
-	public static String createMailLinks(String haystack) {
-			return re_mail.substituteAll(haystack,"<a href=\"mailto:$0\">$0</a>");
-	}
-
-
-	/**
-	 *  createMailLinks wandelt text im email-adressenformat
-	 *  in einen klickbaren link um
-	 *  nur sinnvoll, wenn text nicht im html-format eingegeben
-	 */
-	public static String createMailLinks(String haystack, String imageRoot, String mailImage) {
-		return re_mail.substituteAll(haystack,"<img src=\""+imageRoot+"/"+mailImage+"\" border=\"0\"/>&#160;<a href=\"mailto:$0\">$0</a>");
-	}
-
-
-	/**
-	 *  createURLLinks wandelt text im url-format
-	 *  in einen klickbaren link um
-	 *  nur sinnvoll, wenn text nicht im html-format eingegeben
-	 */
-	public static String createURLLinks(String haystack) {
-		return re_url.substituteAll(haystack,"<a href=\"$0\">$0</a>");
-	}
-
-	/**
-	 * this routine takes text in url format and makes
-	 * a clickaeble "<href>" link removing any "illegal" html tags
-	 * @param haystack, the url
-	 * @param title, the href link text
-	 * @param imagRoot, the place to find icons
-	 * @param extImage, the url of the icon to show next to the link
-	 * @return a String containing the url
-	 */
-	public static String createURLLinks(String haystack, String title, String imageRoot,String extImage) {
-		if (title == null) {
-			return re_url.substituteAll(haystack,"<img src=\""+imageRoot+"/"+extImage+"\" border=\"0\"/>&#160;<a href=\"$0\">$0</a>");
-		} else {
-			title = removeHTMLTags(title);
-			return re_url.substituteAll(haystack,"<img src=\""+imageRoot+"/"+extImage+"\" border=\"0\"/>&#160;<a href=\"$0\">"+title+"</a>");
-		}
-	}
-
-	/**
-	 * this routine takes text in url format and makes
-	 * a clickaeble "<href>" link removing any "illegal" html tags
-	 * @param haystack, the url
-	 * @param imageRoot, the place to find icons
-	 * @param extImage, the url of the icon to show next to the link
-	 * @param intImage, unused
-	 * @return a String containing the url
-	 */
-	public static String createURLLinks(String haystack, String title, String imageRoot,String extImage,String intImage) {
-		return createURLLinks(haystack, title, imageRoot, extImage);
-	}
-
-	 /**
-	 *  deleteForbiddenTags
-	 *  this method deletes all <script>, <body> and <head>-tags
-	 */
-	public static final String deleteForbiddenTags(String haystack) {
-		try {
-			RE regex = new RE("<[ \t\r\n](.*?)script(.*?)/script(.*?)>",RE.REG_ICASE);
-			haystack = regex.substituteAll(haystack,"");
-			regex = new RE("<head>(.*?)</head>");
-			haystack = regex.substituteAll(haystack,"");
-			regex = new RE("<[ \t\r\n/]*body(.*?)>");
-			haystack = regex.substituteAll(haystack,"");
-			return haystack;
-		} catch(REException ex){
-			return null;
-		}
-	}
-
-	/**
-	 * this method deletes all html tags
-	 */
-	public static final String removeHTMLTags(String haystack){
-			return re_tags.substituteAll(haystack,"");
-	}
-
-
-	/**
-	 * this method deletes all but the approved tags html tags
-	 * it also deletes approved tags which contain malicious-looking attributes and doesn't work at all
-	 */
-	public static String approveHTMLTags(String haystack){
-		try {
-			String approvedTags="a|img|h1|h2|h3|h4|h5|h6|br|b|i|strong|p";
-			String badAttributes="onAbort|onBlur|onChange|onClick|onDblClick|onDragDrop|onError|onFocus|onKeyDown|onKeyPress|onKeyUp|onLoad|onMouseDown|onMouseMove|onMouseOut|onMouseOver|onMouseUp|onMove|onReset|onResize|onSelect|onSubmit|onUnload";
-			String approvedProtocols="rtsp|http|ftp|https|freenet|mailto";
-
-			// kill all the bad tags that have attributes
-			String s = "<\\s*/?\\s*(?!(("+approvedTags+")\\s))\\w+\\s[^>]*>";
-			RE regex = new RE(s,RE.REG_ICASE);
-			haystack = regex.substituteAll(haystack,"");
-
-			// kill all the bad tags that are attributeless
-			regex = new RE("<\\s*/?\\s*(?!(("+approvedTags+")\\s*>))\\w+\\s*>",RE.REG_ICASE);
-			haystack = regex.substituteAll(haystack,"");
-
-			// kill all the tags which have a javascript attribute like onLoad
-			regex = new RE("<[^>]*("+badAttributes+")[^>]*>",RE.REG_ICASE);
-			haystack = regex.substituteAll(haystack,"");
-
-			// kill all the tags which include a url to an unacceptable protocol
-			regex = new RE("<\\s*a\\s+[^>]*href=(?!(\'|\")?("+approvedProtocols+"))[^>]*>",RE.REG_ICASE);
-			haystack = regex.substituteAll(haystack,"");
-
-			return haystack;
-		} catch(REException ex){
-			ex.printStackTrace();
-			return null;
-		}
-	}
-
-
-	/**
-	 *  createHTML ruft alle regex-methoden zum unwandeln eines nicht
-	 *  htmlcodierten string auf und returnt einen htmlcodierten String
-	 */
-	public static String createHTML(String content){
-		content=convertNewline2Break(content);
-		content=convertNewline2P(content);
-		content=createMailLinks(content);
-		content=createURLLinks(content);
-		return content;
-	}
-
-
-	/**
-	 *  createHTML ruft alle regex-methoden zum unwandeln eines nicht
-	 *  htmlcodierten string auf und returnt einen htmlcodierten String
-	 */
-	public static String createHTML(String content,String producerDocRoot,String mailImage,String extImage,String intImage){
-		content=convertNewline2Break(content);
-		content=convertNewline2P(content);
-		content=createMailLinks(content,producerDocRoot,mailImage);
-		content=createURLLinks(content,null,producerDocRoot,extImage,intImage);
-		return content;
-	}
+  /**
+   * formatiert eine Zahl (0-999) dreistellig (z.B. 7 -> 007)
+   *
+   * @return 3-stellige Zahl
+   */
+  public static String pad3 (int number) {
+    return  number < 10 ? "00" + number : number < 100 ? "0" + number : String.valueOf(number);
+  }
+
+  /**
+   * Liefert Default-Wert def zur?ck, wenn String <code>s</code>
+   * kein Integer ist.
+   *
+   * @param s
+   * @param def
+   * @return geparster int aus s oder def
+   */
+  public static int parseInt(String s, int def) {
+    if (s == null) return def;
+    try {
+      return Integer.parseInt(s);
+    } catch (NumberFormatException e) {
+      return def;
+    }
+  }
+
+
+  /**
+   *  convertNewline2P ist eine regex-routine zum umwandeln von 2 oder mehr newlines (\n)
+   *  in den html-tag <p>
+   *  nur sinnvoll, wenn text nicht im html-format eingegeben
+   */
+  public static String convertNewline2P(String haystack) {
+    return re_brbr2p.substituteAll(haystack,"\n</p><p>");
+  }
+
+  /**
+   *  convertNewline2Break ist eine regex-routine zum umwandeln von 1 newline (\n)
+   *  in den html-tag <br>
+   *  nur sinnvoll, wenn text nicht im html-format eingegeben
+   */
+  public static String convertNewline2Break(String haystack) {
+    return re_newline2br.substituteAll(haystack,"$0<br />");
+  }
+
+  /**
+   *  createMailLinks wandelt text im email-adressenformat
+   *  in einen klickbaren link um
+   *  nur sinnvoll, wenn text nicht im html-format eingegeben
+   */
+  public static String createMailLinks(String haystack) {
+    return re_mail.substituteAll(haystack,"<a href=\"mailto:$0\">$0</a>");
+  }
+
+
+  /**
+   *  createMailLinks wandelt text im email-adressenformat
+   *  in einen klickbaren link um
+   *  nur sinnvoll, wenn text nicht im html-format eingegeben
+   */
+  public static String createMailLinks(String haystack, String imageRoot, String mailImage) {
+    return re_mail.substituteAll(haystack,"<img src=\""+imageRoot+"/"+mailImage+"\" border=\"0\"/>&#160;<a href=\"mailto:$0\">$0</a>");
+  }
+
+
+  /**
+   *  createURLLinks wandelt text im url-format
+   *  in einen klickbaren link um
+   *  nur sinnvoll, wenn text nicht im html-format eingegeben
+   */
+  public static String createURLLinks(String haystack) {
+    return re_url.substituteAll(haystack,"<a href=\"$0\">$0</a>");
+  }
+
+  /**
+   * this routine takes text in url format and makes
+   * a clickaeble "<href>" link removing any "illegal" html tags
+   * @param haystack, the url
+   * @param title, the href link text
+   * @param imagRoot, the place to find icons
+   * @param extImage, the url of the icon to show next to the link
+   * @return a String containing the url
+   */
+  public static String createURLLinks(String haystack, String title, String imageRoot,String extImage) {
+    if (title == null) {
+      return re_url.substituteAll(haystack,"<img src=\""+imageRoot+"/"+extImage+"\" border=\"0\"/>&#160;<a href=\"$0\">$0</a>");
+    } else {
+      title = removeHTMLTags(title);
+      return re_url.substituteAll(haystack,"<img src=\""+imageRoot+"/"+extImage+"\" border=\"0\"/>&#160;<a href=\"$0\">"+title+"</a>");
+    }
+  }
+
+  /**
+   * this routine takes text in url format and makes
+   * a clickaeble "<href>" link removing any "illegal" html tags
+   * @param haystack, the url
+   * @param imageRoot, the place to find icons
+   * @param extImage, the url of the icon to show next to the link
+   * @param intImage, unused
+   * @return a String containing the url
+   */
+  public static String createURLLinks(String haystack, String title, String imageRoot,String extImage,String intImage) {
+    return createURLLinks(haystack, title, imageRoot, extImage);
+  }
+
+  /**
+   * this method deletes all html tags
+   */
+  public static final String removeHTMLTags(String haystack){
+    return re_tags.substituteAll(haystack,"");
+  }
+
+  /**
+   * this method deletes all but the approved tags html tags
+   * it also deletes approved tags which contain malicious-looking attributes and doesn't work at all
+   */
+  public static String approveHTMLTags(String haystack){
+    try {
+      String approvedTags="a|img|h1|h2|h3|h4|h5|h6|br|b|i|strong|p";
+      String badAttributes="onAbort|onBlur|onChange|onClick|onDblClick|onDragDrop|onError|onFocus|onKeyDown|onKeyPress|onKeyUp|onLoad|onMouseDown|onMouseMove|onMouseOut|onMouseOver|onMouseUp|onMove|onReset|onResize|onSelect|onSubmit|onUnload";
+      String approvedProtocols="rtsp|http|ftp|https|freenet|mailto";
+
+      // kill all the bad tags that have attributes
+      String s = "<\\s*/?\\s*(?!(("+approvedTags+")\\s))\\w+\\s[^>]*>";
+      RE regex = new RE(s,RE.REG_ICASE);
+      haystack = regex.substituteAll(haystack,"");
+
+      // kill all the bad tags that are attributeless
+      regex = new RE("<\\s*/?\\s*(?!(("+approvedTags+")\\s*>))\\w+\\s*>",RE.REG_ICASE);
+      haystack = regex.substituteAll(haystack,"");
+
+      // kill all the tags which have a javascript attribute like onLoad
+      regex = new RE("<[^>]*("+badAttributes+")[^>]*>",RE.REG_ICASE);
+      haystack = regex.substituteAll(haystack,"");
+
+      // kill all the tags which include a url to an unacceptable protocol
+      regex = new RE("<\\s*a\\s+[^>]*href=(?!(\'|\")?("+approvedProtocols+"))[^>]*>",RE.REG_ICASE);
+      haystack = regex.substituteAll(haystack,"");
+
+      return haystack;
+    } catch(REException ex){
+      ex.printStackTrace();
+      return null;
+    }
+  }
+
+
+  /**
+   *  createHTML ruft alle regex-methoden zum unwandeln eines nicht
+   *  htmlcodierten string auf und returnt einen htmlcodierten String
+   */
+  public static String createHTML(String content){
+    content=convertNewline2Break(content);
+    content=convertNewline2P(content);
+    content=createMailLinks(content);
+    content=createURLLinks(content);
+    return content;
+  }
+
+
+  /**
+   *  createHTML ruft alle regex-methoden zum unwandeln eines nicht
+   *  htmlcodierten string auf und returnt einen htmlcodierten String
+   */
+  public static String createHTML(String content,String producerDocRoot,String mailImage,String extImage,String intImage){
+    content=convertNewline2Break(content);
+    content=convertNewline2P(content);
+    content=createMailLinks(content,producerDocRoot,mailImage);
+    content=createURLLinks(content,null,producerDocRoot,extImage,intImage);
+    return content;
+  }
+
+  /**
+   * Converts mir's horrible internal date format (yyyy-MM-dd HH:mm:ss+zz) into a java Date
+   *
+   * @param anInternalDate
+   * @return
+   */
+  public static Date convertMirInternalDateToDate(String anInternalDate) {
+    Calendar calendar = new GregorianCalendar();
+
+    int year;
+    int month;
+    int day;
+    int hours;
+    int minutes;
+    int seconds;
+    int timezoneOffset;
+
+    year = Integer.parseInt(anInternalDate.substring(0,4));
+    month = Integer.parseInt(anInternalDate.substring(5,7));
+    day = Integer.parseInt(anInternalDate.substring(8,10));
+    hours = Integer.parseInt(anInternalDate.substring(11,13));
+    minutes = Integer.parseInt(anInternalDate.substring(14,16));
+    seconds = Integer.parseInt(anInternalDate.substring(17,19));
+
+    timezoneOffset = Integer.parseInt(anInternalDate.substring(20,22));
+    if (anInternalDate.charAt(19) == '-')
+      timezoneOffset = -timezoneOffset;
+
+    calendar.setTimeZone(TimeZone.getTimeZone("UTC"));
+    calendar.set(year, month-1, day, hours, minutes, seconds);
+    calendar.add(Calendar.HOUR, -timezoneOffset);
+
+    return calendar.getTime();
+  }
 
 }