/**
* Statische Hilfsmethoden zur Stringbehandlung
*
- * @version $Revision: 1.24 $ $Date: 2002/09/01 22:05:50 $
- * @author $Author: mh $
+ * @version $Revision: 1.25 $ $Date: 2002/09/14 03:32:12 $
+ * @author $Author: zapata $
*
* $Log: StringUtil.java,v $
+ * Revision 1.25 2002/09/14 03:32:12 zapata
+ * fixed a small email address filtering bug
+ *
* Revision 1.24 2002/09/01 22:05:50 mh
* Mir goes GPL
*
*/
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;
+
+ 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());
+ }
+ }
/**
* Formats a number with the specified minimum and maximum number of digits.
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();
- }
-
+ /**
+ * 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) {
+ * 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));
// 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();
- }
+ }
+ 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
}
- /**
- * 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("'");
- } 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( """,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( "ö", i ) == i ) {
- buf.append( "ö" ); i += 5;
- continue;
- }
- if( s.indexOf( "ä", i ) == i ) {
- buf.append( "ä" ); i += 5;
- continue;
- }
- if( s.indexOf( "ü", i ) == i ) {
- buf.append( "ü" ); i += 5;
- continue;
- }
- if( s.indexOf( "Ö", i ) == i ) {
- buf.append( "Ö" ); i += 5;
- continue;
- }
- if( s.indexOf( "Ä", i ) == i ) {
- buf.append( "Ä" ); i += 5;
- continue;
- }
- if( s.indexOf( "Ü", i ) == i ) {
- buf.append( "Ü" ); i += 5;
- continue;
- }
- if( s.indexOf( "ß", i ) == i ) {
- buf.append( "ß" ); i += 6;
- continue;
- }
- if( s.indexOf( """, 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\"/> <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\"/> <a href=\"$0\">$0</a>");
- } else {
- title = removeHTMLTags(title);
- return re_url.substituteAll(haystack,"<img src=\""+imageRoot+"/"+extImage+"\" border=\"0\"/> <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;
- }
+ /**
+ * 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("'");
+ } 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( """,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( "ö", i ) == i ) {
+ buf.append( "ö" ); i += 5;
+ continue;
+ }
+ if( s.indexOf( "ä", i ) == i ) {
+ buf.append( "ä" ); i += 5;
+ continue;
+ }
+ if( s.indexOf( "ü", i ) == i ) {
+ buf.append( "ü" ); i += 5;
+ continue;
+ }
+ if( s.indexOf( "Ö", i ) == i ) {
+ buf.append( "Ö" ); i += 5;
+ continue;
+ }
+ if( s.indexOf( "Ä", i ) == i ) {
+ buf.append( "Ä" ); i += 5;
+ continue;
+ }
+ if( s.indexOf( "Ü", i ) == i ) {
+ buf.append( "Ü" ); i += 5;
+ continue;
+ }
+ if( s.indexOf( "ß", i ) == i ) {
+ buf.append( "ß" ); i += 6;
+ continue;
+ }
+ if( s.indexOf( """, 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)
+ * 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\"/> <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\"/> <a href=\"$0\">$0</a>");
+ } else {
+ title = removeHTMLTags(title);
+
return re_url.substituteAll(haystack,"<img src=\""+imageRoot+"/"+extImage+"\" border=\"0\"/> <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;
+ }
}
projects / mir.git / commitdiff