public static String urlEscape(String param) {
String urlOK = "";
StringBuilder sb = new StringBuilder();
for (int i = 0; i < param.length(); ++i) {
char ch = param.charAt(i);
char lowerCh = Character.toLowerCase(ch);
if (Character.isDigit(ch) || (-1 != "[email protected]".indexOf(lowerCh))) {
sb.append(ch);
} else if (' ' == ch) {
sb.append('+');
} else if ((0x7F & ch) == ch) {
putCh(sb, ch);
} else if ((0xFFF & ch) == ch) {
putCh(sb, 0xD0 | (ch >> 6));
putCh(sb, 0x80 | (0x3F & ch));
} else {
putCh(sb, 0xE8 | (ch >> 12));
putCh(sb, 0x80 | (0x3F & (ch >> 6)));
putCh(sb, 0x80 | (0x3F & ch));
}
}
return sb.toString();
}
public static long createGmtDate(String sdate) {
Calendar c = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
try {
sdate = sdate.trim();
int[] ofs = sdate.endsWith("Z") ? ofsFieldsB : ofsFieldsA;
long result;
if (Character.isDigit(sdate.charAt(0))) {
int fieldLength = 4; // yearlen
for (int i = 0; i < calFields.length; ++i) {
int begIndex = ofs[i];
int field = strToIntDef(sdate.substring(begIndex, begIndex + fieldLength), 0);
if (1 == i) {
field += Calendar.JANUARY - 1;
}
fieldLength = 2;
c.set(calFields[i], field);
}
result = Math.max(0, c.getTime().getTime() / 1000);
} else {
String[] rfcDate = Util.explode(sdate, ' ');
c.set(Calendar.YEAR, strToIntDef(rfcDate[3], 0));
for (int i = 0; i < months.length; ++i) {
if (months[i].equals(rfcDate[2])) {
c.set(Calendar.MONTH, i);
break;
}
}
c.set(Calendar.DAY_OF_MONTH, strToIntDef(rfcDate[1], 0));
c.set(Calendar.HOUR_OF_DAY, strToIntDef(rfcDate[4].substring(0, 2), 0));
c.set(Calendar.MINUTE, strToIntDef(rfcDate[4].substring(3, 5), 0));
c.set(Calendar.SECOND, strToIntDef(rfcDate[4].substring(6), 0));
long delta =
strToIntDef(rfcDate[5].substring(1, 3), 0) * 60 * 60
+ strToIntDef(rfcDate[5].substring(3, 5), 0) * 60;
if ('+' == rfcDate[5].charAt(0)) {
delta = -delta;
}
result = Math.max(0, c.getTime().getTime() / 1000 + delta);
}
return result;
} catch (Exception ignored) {
}
return 0;
}
private static boolean isURLChar(char chr, int mode) {
if (mode == URL_CHAR_PROTOCOL) {
return ((chr >= 'A') && (chr <= 'Z')) || ((chr >= 'a') && (chr <= 'z'));
}
if (mode == URL_CHAR_PREV) {
return ((chr >= 'A') && (chr <= 'Z'))
|| ((chr >= 'a') && (chr <= 'z'))
|| ((chr >= '0') && (chr <= '9'))
|| ('@' == chr)
|| ('-' == chr)
|| ('_' == chr)
|| ('%' == chr);
}
if (URL_CHAR_DIGIT == mode) return Character.isDigit(chr);
if (URL_CHAR_NONE == mode) return (' ' == chr) || ('\n' == chr);
return !((chr <= ' ') || (chr == '\n'));
}
private static void putUrl(Vector<String> urls, String url) {
final String skip = "?!;:,.";
final String openDelemiters = "{[(«";
final String delemiters = "}])»";
int cutIndex = url.length() - 1;
for (; cutIndex >= 0; --cutIndex) {
char lastChar = url.charAt(cutIndex);
if (-1 != skip.indexOf(lastChar)) {
continue;
}
int delemiterIndex = delemiters.indexOf(lastChar);
if (-1 != delemiterIndex) {
if (-1 == url.indexOf(openDelemiters.charAt(delemiterIndex))) {
continue;
}
}
break;
}
if (cutIndex <= 0) {
return;
} else if (cutIndex != url.length() - 1) {
url = url.substring(0, cutIndex + 1);
}
if (-1 == url.indexOf(':')) {
boolean isPhone = ('+' == url.charAt(0));
boolean hasDot = false;
boolean nonDigit = false;
for (int i = isPhone ? 1 : 0; i < url.length(); ++i) {
char ch = url.charAt(i);
if ('.' == ch) {
hasDot = true;
} else if (!Character.isDigit(ch)) {
nonDigit = true;
break;
}
}
if (isPhone) {
if (!nonDigit && !hasDot && (7 <= url.length())) {
url = "tel:" + url;
} else {
return;
}
} else {
if (nonDigit) {
if (-1 == url.indexOf('/')) {
if (-1 == url.indexOf('@')) return;
// jid or email
} else {
url = "http:\57\57" + url;
}
} else {
return;
}
}
}
int protoEnd = url.indexOf(':');
if (-1 != protoEnd) {
if (url.length() <= protoEnd + 5) {
return;
}
for (int i = 0; i < protoEnd; ++i) {
if (!isURLChar(url.charAt(i), URL_CHAR_PROTOCOL)) {
return;
}
}
}
if (!urls.contains(url)) {
urls.addElement(url);
}
}