X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=source%2Fmir%2Fmisc%2FStringUtil.java;h=7f08337f4657cf221c609b9cca05231616b47c57;hb=ed9932a980050bd1a8c3ffda8d8dff36ead479cc;hp=bcbc06a1f73c305bd77cb14ae973032dc967f5de;hpb=96449227f77b9f1203b2ec1d8d5491b793a2cfa5;p=mir.git

diff --git a/source/mir/misc/StringUtil.java b/source/mir/misc/StringUtil.java
index bcbc06a1..7f08337f 100755
--- a/source/mir/misc/StringUtil.java
+++ b/source/mir/misc/StringUtil.java
@@ -1,439 +1,236 @@
-/*
- * Copyright (C) 2001, 2002 The Mir-coders group
- *
- * This file is part of Mir.
- *
- * Mir is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * Mir is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Mir; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- * In addition, as a special exception, The Mir-coders gives permission to link
- * the code of this program with  any library licensed under the Apache Software License,
- * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
- * (or with modified versions of the above that use the same license as the above),
- * and distribute linked combinations including the two.  You must obey the
- * GNU General Public License in all respects for all of the code used other than
- * the above mentioned libraries.  If you modify this file, you may extend this
- * exception to your version of the file, but you are not obligated to do so.
- * If you do not wish to do so, delete this exception statement from your version.
- */
-package  mir.misc;
-
-import java.text.NumberFormat;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.GregorianCalendar;
-import java.util.TimeZone;
-
-import gnu.regexp.RE;
-import gnu.regexp.REException;
-
-/**
- * Statische Hilfsmethoden zur Stringbehandlung
- *
- * @version $Id: StringUtil.java,v 1.33.2.4 2003/08/10 00:16:53 zapata 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 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("\\b([a-zA-Z0-9_.-]+)@([a-zA-Z0-9_-]+)\\.([a-zA-Z0-9_.-]+)\\b");
-      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/]*(html|meta|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)
-  {
-    NumberFormat numberFormat = NumberFormat.getInstance();
-    numberFormat.setMinimumIntegerDigits(minDigits);
-    numberFormat.setMaximumIntegerDigits(maxDigits);
-    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_OF_DAY)));
-    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;
-  }
-
-  /**
-  *  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);
-  }
-
-  /**
-   * 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();
-  }
-
-}
-
+/*
+ * Copyright (C) 2005 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with  any library licensed under the Apache Software License.
+ * 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 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;
+
+/**
+ */
+public final class StringUtil {
+
+  private static TimeZone UTC = TimeZone.getTimeZone("UTC");
+
+  private StringUtil() { }  // this avoids contruction
+
+  /**
+   * Formats a number with the specified minimum and maximum number of digits.
+   **/
+  public static synchronized String zeroPaddingNumber(long value, int minDigits,
+                                                      int maxDigits)
+  {
+    NumberFormat numberFormat = NumberFormat.getInstance();
+    numberFormat.setMinimumIntegerDigits(minDigits);
+    numberFormat.setMaximumIntegerDigits(maxDigits);
+    return numberFormat.format(value);
+  }
+
+  /**
+   * Wandelt Datum in einen 8-ziffrigen String um (yyyymmdd)
+   * @param theDate
+   * @return 8-ziffriger String (yyyymmdd)
+   */
+
+  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();
+  }
+
+  /**
+   * Return a http://www.w3.org/TR/NOTE-datetime formatted date (yyyy-mm-ddThh:mm:ssTZ)
+   * @param theDate
+   * @return w3approved datetime
+   */
+
+  public static 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_OF_DAY)));
+    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 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();
+  }
+
+  /**
+   * L?scht <code>/</code> am Ende des Strings, falls vorhanden
+   * @param path
+   * @return String ohne <code>/</code> am Ende
+   */
+  public static 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);
+  }
+
+  /**
+   * 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;
+    }
+  }
+
+
+  /**
+   * Converts mir's horrible internal date format (yyyy-MM-dd HH:mm:ss+zz) into a java Date
+   *
+   * @param anInternalDate
+   */
+  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(UTC);
+    calendar.set(year, month-1, day, hours, minutes, seconds);
+    calendar.add(Calendar.HOUR, -timezoneOffset);
+
+    return calendar.getTime();
+  }
+
+  public String regexpReplace(String anInput, String anExpression, String aReplacement) throws Exception {
+    Perl5Matcher matcher = new Perl5Matcher();
+
+    return Util.substitute(
+      matcher, new Perl5Compiler().compile(anExpression),
+      new Perl5Substitution(aReplacement), anInput,
+      Util.SUBSTITUTE_ALL);
+  }
+
+
+
+}
+