1 files changed, 119 insertions, 0 deletions
diff --git a/juick-core/src/main/java/com/juick/util/MessageUtils.java b/juick-core/src/main/java/com/juick/util/MessageUtils.java
new file mode 100644
index 00000000..12ae71c1
--- /dev/null
+++ b/juick-core/src/main/java/com/juick/util/MessageUtils.java
@@ -0,0 +1,119 @@
+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))([\\[\\{]|&lt;)((?:ht|f)tps?://(?:www\\.)?([^\\/\\s\\\"\\)\\!]+)/?(?:[^\\]\\}](?<!&gt;))*)([\\]\\}]|&gt;)");
+
+    public static String formatMessageCode(String msg) {
+        msg = msg.replaceAll("&", "&amp;");
+        msg = msg.replaceAll("<", "&lt;");
+        msg = msg.replaceAll(">", "&gt;");
+
+        // 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("&", "&amp;");
+        msg = msg.replaceAll("<", "&lt;");
+        msg = msg.replaceAll(">", "&gt;");
+
+        // --
+        // &mdash;
+        msg = msg.replaceAll("((?<=\\s)|(?<=\\A))\\-\\-?((?=\\s)|(?=\\Z))", "$1&mdash;$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))&gt; *(.*)?(\\n|(?=\\Z))", "<q>$1</q>");
+        msg = msg.replaceAll("</q><q>", "\n");
+
+        msg = msg.replaceAll("\n", "<br/>\n");
+        return msg;
+    }
+}