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package com.juick.util;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Created by aalexeev on 11/13/16.
*/
public class MessageUtils {
private MessageUtils() {
throw new IllegalStateException();
}
public static String formatQuote(final String quote) {
String result = quote;
if (quote != null) {
if (quote.length() > 50) {
result = ">" + quote.substring(0, 47).replace('\n', ' ') + "...\n";
} else if (!quote.isEmpty()) {
result = ">" + quote.replace('\n', ' ') + "\n";
}
}
return result;
}
private static Pattern regexLinks2 = Pattern.compile("((?<=\\s)|(?<=\\A))([\\[\\{]|<)((?:ht|f)tps?://(?:www\\.)?([^\\/\\s\\\"\\)\\!]+)/?(?:[^\\]\\}](?<!>))*)([\\]\\}]|>)");
public static String formatMessageCode(String msg) {
msg = msg.replaceAll("&", "&");
msg = msg.replaceAll("<", "<");
msg = msg.replaceAll(">", ">");
// http://juick.com/last?page=2
// <a href="http://juick.com/last?page=2" rel="nofollow">http://juick.com/last?page=2</a>
msg = msg.replaceAll("((?<=\\s)|(?<=\\A))((?:ht|f)tps?://(?:www\\.)?([^\\/\\s\\n\\\"]+)/?[^\\s\\n\\\"]*)", "$1<a href=\"$2\" rel=\"nofollow\">$2</a>");
// (http://juick.com/last?page=2)
// (<a href="http://juick.com/last?page=2" rel="nofollow">http://juick.com/last?page=2</a>)
Matcher m = regexLinks2.matcher(msg);
StringBuffer sb = new StringBuffer();
while (m.find()) {
String url = m.group(3).replace(" ", "%20").replaceAll("\\s+", "");
m.appendReplacement(sb, "$1$2<a href=\"" + url + "\" rel=\"nofollow\">" + url + "</a>$5");
}
m.appendTail(sb);
msg = sb.toString();
return "<pre>" + msg + "</pre>";
}
public static String formatMessage(String msg) {
msg = msg.replaceAll("&", "&");
msg = msg.replaceAll("<", "<");
msg = msg.replaceAll(">", ">");
// --
// —
msg = msg.replaceAll("((?<=\\s)|(?<=\\A))\\-\\-?((?=\\s)|(?=\\Z))", "$1—$2");
// http://juick.com/last?page=2
// <a href="http://juick.com/last?page=2" rel="nofollow">juick.com</a>
msg = msg.replaceAll("((?<=\\s)|(?<=\\A))((?:ht|f)tps?://(?:www\\.)?([^\\/\\s\\n\\\"]+)/?[^\\s\\n\\\"]*)", "$1<a href=\"$2\" rel=\"nofollow\">$3</a>");
// [link text][http://juick.com/last?page=2]
// <a href="http://juick.com/last?page=2" rel="nofollow">link text</a>
msg = msg.replaceAll("\\[([^\\]]+)\\]\\[((?:ht|f)tps?://[^\\]]+)\\]", "<a href=\"$2\" rel=\"nofollow\">$1</a>");
msg = msg.replaceAll("\\[([^\\]]+)\\]\\(((?:ht|f)tps?://[^\\)]+)\\)", "<a href=\"$2\" rel=\"nofollow\">$1</a>");
// #12345
// <a href="http://juick.com/12345">#12345</a>
msg = msg.replaceAll("((?<=\\s)|(?<=\\A)|(?<=\\p{Punct}))#(\\d+)((?=\\s)|(?=\\Z)|(?=\\))|(?=\\.)|(?=\\,))", "$1<a href=\"http://juick.com/$2\">#$2</a>$3");
// #12345/65
// <a href="http://juick.com/12345#65">#12345/65</a>
msg = msg.replaceAll("((?<=\\s)|(?<=\\A)|(?<=\\p{Punct}))#(\\d+)/(\\d+)((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<a href=\"http://juick.com/$2#$3\">#$2/$3</a>$4");
// *bold*
// <b>bold</b>
msg = msg.replaceAll("((?<=\\s)|(?<=\\A)|(?<=\\p{Punct}))\\*([^\\*\\n<>]+)\\*((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<b>$2</b>$3");
// /italic/
// <i>italic</i>
msg = msg.replaceAll("((?<=\\s)|(?<=\\A))/([^\\/\\n<>]+)/((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<i>$2</i>$3");
// _underline_
// <span class="u">underline</span>
msg = msg.replaceAll("((?<=\\s)|(?<=\\A))_([^\\_\\n<>]+)_((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<span class=\"u\">$2</span>$3");
// /12
// <a href="#12">/12</a>
msg = msg.replaceAll("((?<=\\s)|(?<=\\A))\\/(\\d+)((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<a href=\"#$2\">/$2</a>$3");
// @username@jabber.org
// <a href="http://juick.com/username@jabber.org/">@username@jabber.org</a>
msg = msg.replaceAll("((?<=\\s)|(?<=\\A))@([\\w\\-\\.]+@[\\w\\-\\.]+)((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<a href=\"http://juick.com/$2/\">@$2</a>$3");
// @username
// <a href="http://juick.com/username/">@username</a>
msg = msg.replaceAll("((?<=\\s)|(?<=\\A))@([\\w\\-]{2,16})((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<a href=\"http://juick.com/$2/\">@$2</a>$3");
// (http://juick.com/last?page=2)
// (<a href="http://juick.com/last?page=2" rel="nofollow">juick.com</a>)
Matcher m = regexLinks2.matcher(msg);
StringBuffer sb = new StringBuffer();
while (m.find()) {
String url = m.group(3).replace(" ", "%20").replaceAll("\\s+", "");
m.appendReplacement(sb, "$1$2<a href=\"" + url + "\" rel=\"nofollow\">$4</a>$5");
}
m.appendTail(sb);
msg = sb.toString();
// > citate
msg = msg.replaceAll("(?:(?<=\\n)|(?<=\\A))> *(.*)?(\\n|(?=\\Z))", "<q>$1</q>");
msg = msg.replaceAll("</q><q>", "\n");
msg = msg.replaceAll("\n", "<br/>\n");
return msg;
}
}
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