Methods Summary |
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public static java.lang.String | convertIPV6Host(java.lang.String host)
if ( host.indexOf(':") != -1 ){
return( "[" + host + "]" );
}
return( host );
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public static java.lang.String | encode(java.lang.String s)Like URLEncoder.encode, except translates spaces into %20 instead of +
if (s == null) {
return "";
}
try {
return URLEncoder.encode(s, "UTF-8").replaceAll("\\+", "%20");
} catch (UnsupportedEncodingException e) {
return URLEncoder.encode(s).replaceAll("\\+", "%20");
}
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public static java.lang.String | escapeXML(java.lang.String s)
if (s == null) {
return "";
}
String ret = s;
for (int i = 0; i < XMLescapes.length; i++) {
String[] escapeEntry = (String[])XMLescapes[i];
ret = ret.replaceAll(escapeEntry[0], escapeEntry[1]);
}
return ret;
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public static java.lang.String | expandIPV6Host(java.lang.String host)
if ( host.indexOf(':") != -1 ){
try{
return( InetAddress.getByAddress(InetAddress.getByName( host ).getAddress()).getHostAddress());
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
return( host );
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public static boolean | isURL(java.lang.String sURL)test string for possibility that it's an URL. Considers 40 byte hex
strings as URLs
return parseTextForURL(sURL, true) != null;
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public static boolean | isURL(java.lang.String sURL, boolean bGuess)
return parseTextForURL(sURL, true, bGuess) != null;
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public static void | main(java.lang.String[] args)
MagnetURIHandler.getSingleton();
byte[] infohash = ByteFormatter.decodeString("1234567890123456789012345678901234567890");
String[] test = {
"http://moo.com",
"http%3A%2F/moo%2Ecom",
"magnet:?moo",
"magnet%3A%3Fxt=urn:btih:26",
"magnet%3A//%3Fmooo",
"magnet:?xt=urn:btih:" + Base32.encode(infohash),
"aaaaaaaaaabbbbbbbbbbccccccccccdddddddddd",
"magnet:?dn=OpenOffice.org_2.0.3_Win32Intel_install.exe&xt=urn:sha1:PEMIGLKMNFI4HZ4CCHZNPKZJNMAAORKN&xt=urn:tree:tiger:JMIJVWHCQUX47YYH7O4XIBCORNU2KYKHBBC6DHA&xt=urn:ed2k:1c0804541f34b6583a383bb8f2cec682&xl=96793015&xs=http://mirror.switch.ch/ftp/mirror/OpenOffice/stable/2.0.3/OOo_2.0.3_Win32Intel_install.exe"
};
for (int i = 0; i < test.length; i++) {
System.out.println("decode: " + test[i] + " -> " + URLDecoder.decode(test[i]));
System.out.println("isURL: " + test[i] + " -> " + isURL(test[i]));
System.out.println("parse: " + test[i] + " -> " + parseTextForURL(test[i], true));
}
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public static java.lang.String | parseHTMLforURL(java.lang.String text)
if (text == null) {
return null;
}
// examples:
// <A HREF=http://abc.om/moo>test</a>
// <A style=cow HREF="http://abc.om/moo">test</a>
// <a href="http://www.gnu.org/licenses/fdl.html" target="_top">moo</a>
Pattern pat = Pattern.compile("<.*a\\s++.*href=\"?([^\\'\"\\s>]++).*",
Pattern.CASE_INSENSITIVE);
Matcher m = pat.matcher(text);
if (m.find()) {
String sURL = m.group(1);
try {
sURL = URLDecoder.decode(sURL);
} catch (Exception e) {
// sometimes fires a IllegalArgumentException
// catch everything and ignore.
}
return sURL;
}
return null;
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public static java.lang.String | parseTextForURL(java.lang.String text, boolean accept_magnets)
return parseTextForURL(text, accept_magnets, true);
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public static java.lang.String | parseTextForURL(java.lang.String text, boolean accept_magnets, boolean guess)
if (text == null || text.length() < 5) {
return null;
}
String href = parseHTMLforURL(text);
if (href != null) {
return href;
}
try {
text = text.trim();
text = URLDecoder.decode(text);
} catch (Exception e) {
// sometimes fires a IllegalArgumentException
// catch everything and ignore.
}
String textLower;
try {
textLower = text.toLowerCase();
} catch (Throwable e) {
textLower = text;
}
int max = accept_magnets ? prefixes.length : MAGNETURL_STARTS_AT;
int end = -1;
int start = textLower.length();
String strURL = null;
for (int i = 0; i < max; i++) {
final int testBegin = textLower.indexOf(prefixes[i]);
if (testBegin >= 0 && testBegin < start) {
end = text.indexOf("\n", testBegin + prefixes[i].length());
String strURLTest = (end >= 0) ? text.substring(testBegin, end - 1)
: text.substring(testBegin);
try {
URL parsedURL = new URL(strURLTest);
strURL = parsedURL.toExternalForm();
} catch (MalformedURLException e1) {
e1.printStackTrace();
if (i >= MAGNETURL_STARTS_AT) {
strURL = strURLTest;
}
}
}
}
if (strURL != null) {
return strURL;
}
if (new File(text).exists()) {
return null;
}
// accept raw hash of 40 hex chars
if (accept_magnets && text.matches("^[a-fA-F0-9]{40}$")) {
// convert from HEX to raw bytes
byte[] infohash = ByteFormatter.decodeString(text.toUpperCase());
// convert to BASE32
return "magnet:?xt=urn:btih:" + Base32.encode(infohash);
}
// accept raw hash of 32 base-32 chars
if (accept_magnets && text.matches("^[a-zA-Z2-7]{32}$")) {
return "magnet:?xt=urn:btih:" + text;
}
// javascript:loadOrAlert('WVOPRHRPFSCLAW7UWHCXCH7QNQIU6TWG')
// accept raw hash of 32 base-32 chars, with garbage around it
if (accept_magnets && guess) {
Pattern pattern = Pattern.compile("[^a-zA-Z2-7][a-zA-Z2-7]{32}[^a-zA-Z2-7]");
Matcher matcher = pattern.matcher(text);
if (matcher.find()) {
String hash = text.substring(matcher.start() + 1, matcher.start() + 33);
return "magnet:?xt=urn:btih:" + hash;
}
pattern = Pattern.compile("[^a-fA-F0-9][a-fA-F0-9]{40}[^a-fA-F0-9]");
matcher = pattern.matcher(text);
if (matcher.find()) {
String hash = text.substring(matcher.start() + 1, matcher.start() + 41);
// convert from HEX to raw bytes
byte[] infohash = ByteFormatter.decodeString(hash.toUpperCase());
// convert to BASE32
return "magnet:?xt=urn:btih:" + Base32.encode(infohash);
}
}
return null;
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public static java.lang.String | unescapeXML(java.lang.String s)
if (s == null) {
return "";
}
String ret = s;
for (int i = 0; i < XMLescapes.length; i++) {
String[] escapeEntry = (String[])XMLescapes[i];
ret = ret.replaceAll(escapeEntry[1], escapeEntry[0]);
}
return ret;
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