/**
* Statische Hilfsmethoden zur Stringbehandlung
*
- * @version $Id: StringUtil.java,v 1.28 2002/11/27 08:21:02 mh Exp $
+ * @version $Id: StringUtil.java,v 1.29 2002/12/02 12:33:23 zapata Exp $
* @author mir-coders group
*
*/
public final class StringUtil {
- private static RE re_newline2br, re_brbr2p, re_mail, re_url, re_tags;
+ private static RE re_newline2br, re_brbr2p, re_mail, re_url, re_tags;
- private StringUtil() { } // this avoids contruction
+ 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());
- }
- }
+ 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.
**/
public static synchronized String zeroPaddingNumber(long value, int minDigits,
- int maxDigits)
+ int maxDigits)
{
NumberFormat numberFormat = NumberFormat.getInstance();
numberFormat.setMinimumIntegerDigits(minDigits);
return numberFormat.format(value);
}
- /**
- * Wandelt Datum in einen 8-ziffrigen String um (yyyymmdd)
- * @param theDate
- * @return 8-ziffriger String (yyyymmdd)
- */
-
- public static final String date2webdbDate (GregorianCalendar theDate) {
- StringBuffer webdbDate = new StringBuffer();
- webdbDate.append(String.valueOf(theDate.get(Calendar.YEAR)));
- webdbDate.append(pad2(theDate.get(Calendar.MONTH) + 1));
- webdbDate.append(pad2(theDate.get(Calendar.DATE)));
- return webdbDate.toString();
- }
-
- /**
- * Wandelt Calendar in einen 12-ziffrigen String um (yyyymmddhhmm)
- * @param theDate
- * @return 12-ziffriger String (yyyymmdd)
- */
-
- public static final String date2webdbDateTime (GregorianCalendar theDate) {
- StringBuffer webdbDate = new StringBuffer();
- webdbDate.append(String.valueOf(theDate.get(Calendar.YEAR)));
- webdbDate.append(pad2(theDate.get(Calendar.MONTH) + 1));
- webdbDate.append(pad2(theDate.get(Calendar.DATE)));
- webdbDate.append(pad2(theDate.get(Calendar.HOUR)));
- webdbDate.append(pad2(theDate.get(Calendar.MINUTE)));
- return webdbDate.toString();
- }
-
- /**
- * Return a http://www.w3.org/TR/NOTE-datetime formatted date (yyyy-mm-ddThh:mm:ssTZ)
- * @param theDate
- * @return w3approved datetime
- */
-
- public static final String date2w3DateTime (GregorianCalendar theDate) {
- StringBuffer webdbDate = new StringBuffer();
- webdbDate.append(String.valueOf(theDate.get(Calendar.YEAR)));
- webdbDate.append("-");
- webdbDate.append(pad2(theDate.get(Calendar.MONTH) + 1));
- webdbDate.append("-");
- webdbDate.append(pad2(theDate.get(Calendar.DATE)));
- webdbDate.append("T");
- webdbDate.append(pad2(theDate.get(Calendar.HOUR)));
- webdbDate.append(":");
- webdbDate.append(pad2(theDate.get(Calendar.MINUTE)));
- webdbDate.append(":");
- webdbDate.append(pad2(theDate.get(Calendar.SECOND)));
- //assumes you are an hour-multiple away from UTC....
- int offset=(theDate.get(Calendar.ZONE_OFFSET)/(60*60*1000));
- if (offset < 0){
- webdbDate.append("-");
- }
- else{
- webdbDate.append("+");
- }
- webdbDate.append(pad2(Math.abs(offset)));
- webdbDate.append(":00");
- return webdbDate.toString();
- }
-
- /**
- * wandelt Calendar in dd.mm.yyyy / hh.mm um
- * @param theDate
- * @return String mit (dd.mm.yyyy / hh.mm um)
- */
- public static String date2readableDateTime (GregorianCalendar theDate) {
- String readable = "";
- int hour;
- readable += pad2(theDate.get(Calendar.DATE));
- readable += "." + pad2(theDate.get(Calendar.MONTH) + 1);
- readable += "." + String.valueOf(theDate.get(Calendar.YEAR));
- hour = theDate.get(Calendar.HOUR);
- if (theDate.get(Calendar.AM_PM) == Calendar.PM)
- hour += 12;
- readable += " / " + pad2(hour);
- readable += ":" + pad2(theDate.get(Calendar.MINUTE));
- return readable;
- }
-
- /**
- * wandelt eine Datum in einen 8-buchstabigen String, der durch <code>/</code>
- * getrennt ist.
- *
- * @param webdbDate
- * @return String mit <code>/yyyy/mm/dd</code>
- */
- public static final String webdbDate2path (String webdbDate) {
- StringBuffer path = new StringBuffer();
- path.append("/").append(webdbDate.substring(0, 4));
- path.append("/").append(webdbDate.substring(4, 6));
- path.append("/");
- //who did this?
- //path.append("/").append(webdbDate.substring(6, 8));
- return path.toString();
- }
-
- /**
- * wandelt Calendar in dd.mm.yyyy um
- *
- * @param theDate
- * @return String mit <code>yyyy.mm.dd</code>
- */
- public static final String webdbDate2readableDate (String webdbDate) {
- String date = "";
- date += webdbDate.substring(0, 4);
- date += "-" + webdbDate.substring(5, 7);
- date += "-"+webdbDate.substring(8, 10);
- return date;
- }
-
-
- /**
- * converts string from format: yyyy-mm-dd__hh:mm:ss.d
- * to dd.mm.yyyy hh:mm
- */
- public static String dateToReadableDate(String date) {
- StringBuffer returnDate = new StringBuffer();
- if (date!=null) {
-
- returnDate.append(date.substring(8,10)).append('.');
- returnDate.append(date.substring(5,7)).append('.');
- returnDate.append(date.substring(0,4)).append(' ');
- returnDate.append(date.substring(11,16));
- }
- return returnDate.toString();
- }
-
- /**
- * converts string from format: yyyy-mm-dd__hh:mm:ss.dddddd+TZ
- * to yyyy-mm-ddThh:mm:ss+TZ:00 (w3 format for Dublin Core)
- */
- public static String webdbdateToDCDate(String date) {
- StringBuffer returnDate = new StringBuffer();
- if (date!=null) {
- returnDate.append(date.substring(0,10));
- returnDate.append("T");
- returnDate.append(date.substring(11,19));
- //String tzInfo=date.substring(26,29);
- //if (tzInfo.equals("+00")){
- //UTC gets a special code in w3 dates
- // returnDate.append("Z");
- //}
- //else{
- //need to see what a newfoundland postgres
- //timestamp looks like before making this robust
- // returnDate.append(tzInfo);
- // returnDate.append(":00");
- //}
-
- }
- return returnDate.toString();
- }
-
-
- /**
- * converts string from format: yyyy-mm-dd__hh:mm:ss.d
- * to yyyy
- */
- public static String dateToYear (String date) {
- StringBuffer returnDate = new StringBuffer();
- if (date!=null) {
-
- returnDate.append(date.substring(0,4));
- }
- return returnDate.toString();
- }
-
- /**
- * converts string from format: yyyy-mm-dd__hh:mm:ss.d
- * to [m]m
- */
- public static String dateToMonth (String date) {
- StringBuffer returnDate = new StringBuffer();
- if (date!=null) {
- if (!date.substring(5,6).equalsIgnoreCase("0")) returnDate.append(date.substring(5,7));
- else returnDate.append(date.substring(6,7));
- }
- return returnDate.toString();
- }
-
- /**
- * converts string from format: yyyy-mm-dd__hh:mm:ss.d
- * to [d]d
- */
- public static String dateToDayOfMonth (String date) {
- StringBuffer returnDate = new StringBuffer();
- if (date!=null) {
- if (!date.substring(8,9).equalsIgnoreCase("0")) returnDate.append(date.substring(8,10));
- else returnDate.append(date.substring(9,10));
- }
- return returnDate.toString();
- }
-
- /**
- * converts string from format: yyyy-mm-dd__hh:mm:ss.d
- * to hh:mm
- */
- public static String dateToTime (String date) {
- StringBuffer returnDate = new StringBuffer();
- if (date!=null) {
- returnDate.append(date.substring(11,16));
- }
- return returnDate.toString();
- }
-
- /**
- * Splits the provided CSV text into a list. stolen wholesale from
- * from Jakarta Turbine StrinUtils.java -mh
- *
- * @param text The CSV list of values to split apart.
- * @param separator The separator character.
- * @return The list of values.
- */
- public static String[] split(String text, String separator)
+ /**
+ * 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;
+ }
+
+ /**
+ * 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;
+ }
+ }
+
+ /**
+ * 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();
+ }
+
+ /**
+ * 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())
{
- StringTokenizer st = new StringTokenizer(text, separator);
- String[] values = new String[st.countTokens()];
- int pos = 0;
- while (st.hasMoreTokens())
- {
- values[pos++] = st.nextToken();
- }
- return values;
+ 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)
+ /**
+ * 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++)
{
- 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();
+ if (i > 0)
+ {
+ csv.append(separator);
+ }
+ csv.append(list[i]);
}
+ return csv.toString();
+ }
- /**
- * 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;
- }
-
- 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;
+ }
+
+ 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();
+ }
+
+ /**
+ * 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);
+ }
+
+ /**
+ * 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;
+ }
}
* this class implements mapping of one line of the database table content
* to a java object
*
- * @version $Id: EntityContent.java,v 1.12 2002/11/27 08:20:14 mh Exp $
+ * @version $Id: EntityContent.java,v 1.13 2002/12/02 12:33:23 zapata Exp $
* @author mir-coders group
*
*/
HashMap _entCache = new HashMap();
Boolean _hasMedia = null;
- // constructors
+ // constructors
- public EntityContent()
- {
- super();
+ public EntityContent()
+ {
+ super();
//content_data is now filed-type "text"
- //streamedInput = new ArrayList();
- //streamedInput.add("content_data");
- }
+ //streamedInput = new ArrayList();
+ //streamedInput.add("content_data");
+ }
- public EntityContent(StorageObject theStorage) {
- this();
- setStorage(theStorage);
- }
+ public EntityContent(StorageObject theStorage) {
+ this();
+ setStorage(theStorage);
+ }
- //
- // methods
+ //
+ // methods
- /**
- * set is_produced flag for the article
- */
+ /**
+ * set is_produced flag for the article
+ */
- public void setProduced(boolean yesno) throws StorageObjectException
- {
- String value = (yesno) ? "1":"0";
- if (value.equals( getValue("is_produced") )) return;
+ public void setProduced(boolean yesno) throws StorageObjectException
+ {
+ String value = (yesno) ? "1":"0";
+ if (value.equals( getValue("is_produced") )) return;
Connection con=null;Statement stmt=null;
String sql = "update content set is_produced='" + value + "' where id='" + getId()+"'";
- try {
- con = theStorageObject.getPooledCon();
- /** @todo should be preparedStatement: faster!! */
- stmt = con.createStatement();
- theStorageObject.executeUpdate(stmt,sql);
- } catch (StorageObjectException e) {
- throwStorageObjectException(e, "\n -- set produced failed");
- } catch (SQLException e) {
- throwStorageObjectException(e, "\n -- set produced failed");
- } finally {
- theStorageObject.freeConnection(con,stmt);
- }
- }
-
-
- /**
- * make openposting to newswire
- */
-
- public void newswire() throws StorageObjectException
- {
- String sql = "update content set to_article_type='1', is_produced='0' where id='" + getId()+"'";
- try {
- theStorageObject.executeUpdate(sql);
- } catch (StorageObjectException e) {
- throwStorageObjectException(e, "\n -- newswire failed");
- } catch (SQLException e) {
- throwStorageObjectException(e, "\n -- newswire failed");
- }
- }
-
-
- /**
- * dettach from media
- */
- public void dettach(String cid,String mid) throws StorageObjectException
- {
- if (mid!=null){
- try{
- DatabaseContentToMedia.getInstance().delete(cid,mid);
- } catch (Exception e){
- throwStorageObjectException(e, "\n -- failed to get instance");
- }
- //set Content to unproduced
- setProduced(false);
- }
- }
-
- /**
- * attach to media
- */
-
- public void attach(String mid) throws StorageObjectException
- {
- if (mid!=null) {
- //write media-id mid and content-id in table content_x_media
- try{
- DatabaseContentToMedia.getInstance().addMedia(getId(),mid);
- } catch(StorageObjectException e){
- throwStorageObjectException(e, "attach: could not get the instance");
- }
- //set Content to unproduced
- setProduced(false);
- } else {
- theLog.printError("EntityContent: attach without mid");
- }
- }
-
- /**
- * overridden method getValue to include formatted date into every
- * entityContent
- */
-
- public String getValue(String field)
+ try {
+ con = theStorageObject.getPooledCon();
+ /** @todo should be preparedStatement: faster!! */
+ stmt = con.createStatement();
+ theStorageObject.executeUpdate(stmt,sql);
+ }
+ catch (StorageObjectException e) {
+ throwStorageObjectException(e, "\n -- set produced failed");
+ }
+ catch (SQLException e) {
+ throwStorageObjectException(e, "\n -- set produced failed");
+ }
+ finally {
+ theStorageObject.freeConnection(con,stmt);
+ }
+ }
+
+
+ /**
+ * make openposting to newswire
+ */
+
+ public void newswire() throws StorageObjectException
+ {
+ String sql = "update content set to_article_type='1', is_produced='0' where id='" + getId()+"'";
+ try {
+ theStorageObject.executeUpdate(sql);
+ } catch (StorageObjectException e) {
+ throwStorageObjectException(e, "\n -- newswire failed");
+ } catch (SQLException e) {
+ throwStorageObjectException(e, "\n -- newswire failed");
+ }
+ }
+
+
+ /**
+ * dettach from media
+ */
+ public void dettach(String cid,String mid) throws StorageObjectException
{
- String returnField = null;
- if (field!=null)
- {
- if (field.equals("date_formatted") || field.equals("webdb_create_short") )
- {
- if (hasValueForField("date"))
- returnField = StringUtil.webdbDate2readableDate(getValue("webdb_create"));
- }
- else if (field.equals("description_parsed"))
- returnField = getDescriptionParsed();
- else if (field.equals("description_sentence"))
- returnField = getDescriptionSentence();
- else if (field.equals("content_data_parsed"))
- returnField = getContentDataParsed();
- else
- return super.getValue(field);
+ if (mid!=null){
+ try{
+ DatabaseContentToMedia.getInstance().delete(cid,mid);
+ }
+ catch (Exception e){
+ throwStorageObjectException(e, "\n -- failed to get instance");
+ }
+
+ //set Content to unproduced
+ setProduced(false);
}
- return returnField;
- }
+ }
+
+ /**
+ * attach to media
+ */
+
+ public void attach(String mid) throws StorageObjectException
+ {
+ if (mid!=null) {
+ //write media-id mid and content-id in table content_x_media
+ try{
+ DatabaseContentToMedia.getInstance().addMedia(getId(),mid);
+ } catch(StorageObjectException e){
+ throwStorageObjectException(e, "attach: could not get the instance");
+ }
+ //set Content to unproduced
+ setProduced(false);
+ } else {
+ theLog.printError("EntityContent: attach without mid");
+ }
+ }
+
+ /**
+ * overridden method getValue to include formatted date into every
+ * entityContent
+ */
public TemplateModel get(java.lang.String key) throws TemplateModelException
{
try {
_entCache.put(key, getComments());
return (TemplateModel)_entCache.get(key);
- } catch (Exception ex) {
+ }
+ catch (Exception ex) {
theLog.printWarning("-- getComments: could not fetch data " + ex.toString());
+
throw new TemplateModelException(ex.toString());
}
}
throw new TemplateModelException(ex.toString());
}
}
- else if (key.equals("to_media_icon")) {
- try {
- _entCache.put(key, getUploadedMediaForNewswire());
- return (TemplateModel)_entCache.get(key);
- }
- catch (Exception ex) {
- theLog.printWarning("-- getUploadedMediaForNewswire: could not fetch data " + ex.toString());
- throw new TemplateModelException(ex.toString());
- }
- }
else if (key.equals("to_topics")) {
try {
- _entCache.put(key,
+ _entCache.put(key,
DatabaseContentToTopics.getInstance().getTopics(this));
return (TemplateModel)_entCache.get(key);
}
return null;
}
-
-
-
- /**
- * overridden method setValues to patch creator_main_url
- */
- public void setValues(HashMap theStringValues) {
- if (theStringValues != null) {
- if (theStringValues.containsKey("creator_main_url")){
- if (((String)theStringValues.get("creator_main_url")).equalsIgnoreCase("http://")){
- theStringValues.remove("creator_main_url");
- } else if (!((String)theStringValues.get("creator_main_url")).startsWith("http://")){
+ /**
+ * overridden method setValues to patch creator_main_url
+ */
+ public void setValues(HashMap theStringValues) {
+ if (theStringValues != null) {
+ if (theStringValues.containsKey("creator_main_url")){
+ if (((String)theStringValues.get("creator_main_url")).equalsIgnoreCase("http://")){
+ theStringValues.remove("creator_main_url");
+ }
+ else if (!((String)theStringValues.get("creator_main_url")).startsWith("http://")){
theStringValues.put("creator_main_url","http://"+((String)theStringValues.get("creator_main_url")));
}
}
- }
- super.setValues(theStringValues);
- }
-
-
- private String getContentDataParsed() {
- String returnField = getValue("content_data");
- if ((returnField!=null) && (returnField.length()>0) ) {
- returnField=StringUtil.deleteForbiddenTags(returnField);
- //create http-links and email-links
- if (getValue("is_html").equals("0")) {
- returnField = StringUtil.createHTML(returnField,mirconf_imageRoot,
- mirconf_mailLinkName,mirconf_extLinkName,
- mirconf_intLinkName);
- }
}
- return returnField;
+ super.setValues(theStringValues);
}
- private String getDescriptionSentence() {
- String returnField = getValue("description");
- if (returnField != null && returnField.length()>0) {
- returnField = StringUtil.removeHTMLTags(returnField);
- int endOfFirstSentence=StringUtil.findEndOfSentence(returnField,0);
- if (endOfFirstSentence > 0){
- returnField = returnField.substring(0,endOfFirstSentence);
- }
- }
- return returnField;
- }
-
- private String getDescriptionParsed() {
- String returnField = getValue("description");
- if (returnField != null && returnField.length()>0) {
- returnField = StringUtil.deleteForbiddenTags(returnField);
- if (getValue("is_html").equals("0")) {
- returnField = StringUtil.createHTML(returnField,mirconf_imageRoot,
- mirconf_mailLinkName,mirconf_extLinkName,
- mirconf_intLinkName);
- }
- }
- return returnField;
- }
-
- /**
- * fetches all the comments belonging to an article
- *
- * @return freemarker.template.SimpleList
- */
- private EntityList getComments() throws StorageObjectException {
- return ((DatabaseContent)theStorageObject).getComments(this);
- }
-
- // @todo this needs to optimized. expensive SQL
- private SimpleHash getUploadedMediaForNewswire()
- throws StorageObjectException, TemplateModelException
- {
- // fetching/setting the images
- // return to_media_icons
- String tinyIcon = null, iconAlt = null;
- MirMedia mediaHandler = null;
- EntityUploadedMedia uploadedMedia;
- Entity mediaType;
- SimpleHash returnHash = new SimpleHash();
-
- EntityList upMediaEntityList =
- DatabaseContentToMedia.getInstance().getUploadedMedia(this);
- if (upMediaEntityList!=null && upMediaEntityList.getCount()>=1) {
-
- for (int n=0; n < upMediaEntityList.size();n++) {
- uploadedMedia = (EntityUploadedMedia)upMediaEntityList.elementAt(n);
- mediaType = uploadedMedia.getMediaType();
- try {
- mediaHandler = MediaHelper.getHandler( mediaType );
- } catch (MirMediaException ex) {
- throw new TemplateModelException(ex.toString());
- }
- //the "best" media type to show
- if (mediaHandler.isVideo()) {
- tinyIcon = MirConfig.getProp("Producer.Icon.TinyVideo");
- iconAlt = "Video";
- break;
- } else if (mediaHandler.isAudio()) {
- tinyIcon = MirConfig.getProp("Producer.Icon.TinyAudio");
- iconAlt = "Audio";
- } else if (tinyIcon == null && !mediaHandler.isImage()) {
- tinyIcon = mediaHandler.getTinyIconName();
- iconAlt = mediaHandler.getIconAltName();
- }
-
- }
- //it only has image(s)
- if (tinyIcon == null) {
- tinyIcon = MirConfig.getProp("Producer.Icon.TinyImage");
- iconAlt = "Image";
- }
- // uploadedMedia Entity list is empty.
- // we only have text
- } else {
- tinyIcon = MirConfig.getProp("Producer.Icon.TinyText");
- iconAlt = "Text";
- }
- returnHash.put("tiny_icon", mirconf_imageRoot+"/"+tinyIcon);
- returnHash.put("icon_alt", iconAlt);
- return returnHash;
+ /**
+ * fetches all the comments belonging to an article
+ *
+ * @return freemarker.template.SimpleList
+ */
+ private EntityList getComments() throws StorageObjectException {
+ return ((DatabaseContent)theStorageObject).getComments(this);
}
private boolean hasMedia() throws StorageObjectException
{
if (_hasMedia == null) {
_hasMedia =
- new Boolean(DatabaseContentToMedia.getInstance().hasMedia(this));
+ new Boolean(DatabaseContentToMedia.getInstance().hasMedia(this));
}
return _hasMedia.booleanValue();
}
//######## @todo all of the following getBlahForContent should have
// and optimized version where LIMIT=1 sql for list view.
private EntityList getImagesForContent()
- throws StorageObjectException, TemplateModelException
+ throws StorageObjectException, TemplateModelException
{
if (hasMedia())
return DatabaseContentToMedia.getInstance().getImages(this);
}
private EntityList getAudioForContent()
- throws StorageObjectException, TemplateModelException
+ throws StorageObjectException, TemplateModelException
{
if (hasMedia())
return DatabaseContentToMedia.getInstance().getAudio(this) ;
}
private EntityList getVideoForContent()
- throws StorageObjectException, TemplateModelException
+ throws StorageObjectException, TemplateModelException
{
if (hasMedia())
return DatabaseContentToMedia.getInstance().getVideo(this) ;
}
private EntityList getOtherMediaForContent()
- throws StorageObjectException, TemplateModelException
+ throws StorageObjectException, TemplateModelException
{
if (hasMedia())
return DatabaseContentToMedia.getInstance().getOther(this);
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