X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=source%2Fmir%2Fmisc%2FStringUtil.java;h=7f08337f4657cf221c609b9cca05231616b47c57;hb=ed9932a980050bd1a8c3ffda8d8dff36ead479cc;hp=57139c7ba5be0ff78f04f66f8c927e7f94324d48;hpb=664ecfbf6fee4e39efe7092e52c3d52dade0d3f8;p=mir.git

diff --git a/source/mir/misc/StringUtil.java b/source/mir/misc/StringUtil.java
index 57139c7b..7f08337f 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) 2005 The Mir-coders group
  *
  * This file is part of Mir.
  *
@@ -18,60 +18,39 @@
  * 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.
+ * 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 org.apache.oro.text.regex.Pattern;
+import org.apache.oro.text.regex.Perl5Matcher;
+import org.apache.oro.text.regex.Perl5Substitution;
+import org.apache.oro.text.regex.Util;
+import org.apache.oro.text.regex.Perl5Compiler;
+
+import java.text.NumberFormat;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.GregorianCalendar;
+import java.util.TimeZone;
 
 /**
- * Statische Hilfsmethoden zur Stringbehandlung
- *
- * @version $Id: StringUtil.java,v 1.31 2002/12/23 03:15:32 mh Exp $
- * @author mir-coders group
- *
  */
 public final class StringUtil {
 
-  private static RE   re_newline2br, re_brbr2p, re_mail, re_url, re_tags,
-                      re_tables, re_forbiddenTags;
+  private static TimeZone UTC = TimeZone.getTimeZone("UTC");
 
   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);
@@ -85,27 +64,12 @@ public final class StringUtil {
    * @return 8-ziffriger String (yyyymmdd)
    */
 
-  public static final String date2webdbDate (GregorianCalendar theDate) {
+  public static 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();
   }
 
@@ -115,7 +79,7 @@ public final class StringUtil {
    * @return w3approved datetime
    */
 
-  public static final String date2w3DateTime (GregorianCalendar theDate) {
+  public static String date2w3DateTime (GregorianCalendar theDate) {
     StringBuffer webdbDate = new StringBuffer();
     webdbDate.append(String.valueOf(theDate.get(Calendar.YEAR)));
     webdbDate.append("-");
@@ -123,7 +87,7 @@ public final class StringUtil {
     webdbDate.append("-");
     webdbDate.append(pad2(theDate.get(Calendar.DATE)));
     webdbDate.append("T");
-    webdbDate.append(pad2(theDate.get(Calendar.HOUR)));
+    webdbDate.append(pad2(theDate.get(Calendar.HOUR_OF_DAY)));
     webdbDate.append(":");
     webdbDate.append(pad2(theDate.get(Calendar.MINUTE)));
     webdbDate.append(":");
@@ -161,29 +125,13 @@ public final class StringUtil {
   }
 
   /**
-  *  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) {
+  public static String webdbDate2path (String webdbDate) {
     StringBuffer path = new StringBuffer();
     path.append("/").append(webdbDate.substring(0, 4));
     path.append("/").append(webdbDate.substring(4, 6));
@@ -194,222 +142,16 @@ public final class StringUtil {
   }
 
   /**
-   * 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.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;
-  }
-
-  /**
-   * 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();
-  }
-
-  /**
-   * 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
+   * 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) {
+  public static 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
    */
@@ -427,81 +169,7 @@ public final class StringUtil {
   }
 
   /**
-   * 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;
-  }
-
- /**
-  * 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>
+   * Liefert Default-Wert def zur?ck, wenn String <code>s</code>
    * kein Integer ist.
    *
    * @param s
@@ -517,200 +185,52 @@ public final class StringUtil {
     }
   }
 
-  /**
-   * 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
+   * Converts mir's horrible internal date format (yyyy-MM-dd HH:mm:ss+zz) into a java Date
+   *
+   * @param anInternalDate
    */
-  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>");
-  }
+  public static Date convertMirInternalDateToDate(String anInternalDate) {
+    Calendar calendar = new GregorianCalendar();
 
+    int year;
+    int month;
+    int day;
+    int hours;
+    int minutes;
+    int seconds;
+    int timezoneOffset;
 
-  /**
-   *  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>");
-  }
+    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));
 
-  /**
-   * 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>");
+    timezoneOffset = Integer.parseInt(anInternalDate.substring(20,22));
+    if (anInternalDate.charAt(19) == '-') {
+      timezoneOffset = -timezoneOffset;
     }
-  }
-
-  /**
-   * 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,"");
+    calendar.setTimeZone(UTC);
+    calendar.set(year, month-1, day, hours, minutes, seconds);
+    calendar.add(Calendar.HOUR, -timezoneOffset);
 
-      return haystack;
-    } catch(REException ex){
-      ex.printStackTrace();
-      return null;
-    }
+    return calendar.getTime();
   }
 
+  public String regexpReplace(String anInput, String anExpression, String aReplacement) throws Exception {
+    Perl5Matcher matcher = new Perl5Matcher();
 
-  /**
-   *  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;
+    return Util.substitute(
+      matcher, new Perl5Compiler().compile(anExpression),
+      new Perl5Substitution(aReplacement), anInput,
+      Util.SUBSTITUTE_ALL);
   }
 
 
-  /**
-   *  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;
-  }
 
 }