Add existing source + chat invite handling

src/com/wilko/jaim/Utils.java

@@ -0,0 +1,143 @@
+/* 
+ *   (C) 2002 Paul Wilkinson  wilko@users.sourceforge.net
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+/*
+ * Utils.java
+ *
+ * Created on 3 May 2002, 17:19
+ */
+
+package com.wilko.jaim;
+
+/**
+ *
+ * @author paulw
+ * @version $Revision: 1.4 $
+ */
+public class Utils {
+
+    private static final String roastKey="Tic/Toc";
+    private static final int roastLen=7;
+
+    /** convert a buddy name to normalised format - remove spaces and convert to lower case
+     * @param input The un-normalised buddy name
+     * @return the normalised buddy name
+     */    
+    public static String normalise(java.lang.String input) {
+        StringBuffer output=new StringBuffer();
+        String temp=input.toLowerCase();
+        for (int i=0;i<input.length();i++)
+        {
+            char c=temp.charAt(i);
+            if ((c>= '0' && c<='9')||(c>='a' && c<='z'))
+            {
+                output.append(c);
+            }
+        }
+        
+        return(output.toString());
+    }
+    
+    /** Roast a password using the AOL roasting protocol
+     * @param password The password to be roasted
+     * @return The roasted password
+     */    
+    public static String roast(java.lang.String password) {
+        char[] hexChars={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'};
+        
+        StringBuffer temppw=new StringBuffer();
+        temppw.append("0x");
+        for (int i=0;i<password.length();i++)
+        {
+            int roastedByte=password.charAt(i)^roastKey.charAt(i%roastLen);
+            
+            temppw.append(hexChars[(roastedByte>>4)&0x0f]);
+            temppw.append(hexChars[roastedByte&0x0f]);
+        }
+        return(temppw.toString());
+    }
+    
+    /** This method performs a simple HTML strip on text.  It looks for < characters and then skips input until a matching > is found.
+     * This may fail if the HTML tag contains an embedded '>'
+     * @param input The text to have HTML stripped
+     * @return The text stripped of html
+     */    
+    public static String stripHTML(java.lang.String input)
+    {
+        StringBuffer output=new StringBuffer();
+        boolean inHTML=false;
+        for (int i=0;i<input.length();i++)
+        {
+            char c=input.charAt(i);
+            if (c=='<')
+            {
+                inHTML=true;
+            }
+            else
+            {
+                if (c=='>') {
+                    inHTML=false;
+                }
+                else
+                {
+                    if (!inHTML)
+                    {
+                        output.append(c);
+                    }
+                }
+            }
+        }
+        return(output.toString());
+    }
+    
+    
+    /** Encode a text message so that it is suitable for transmission using toc_send_im
+     *
+     * @param input The text to be encoded
+     * @return The encoded text
+     */    
+    public static String encodeText(String input)
+    {
+        StringBuffer output=new StringBuffer("\"");
+        for (int i=0;i<input.length();i++)
+        {
+            char c=input.charAt(i);
+            switch (c)
+            {
+                case '\"':
+                case '(':
+                case ')':
+                case '$':
+                case '\\':
+                case '{':
+                case '}':
+                case '[':
+                case ']':
+                    output.append('\\');
+                    break;
+            }
+            output.append(c);
+        }
+         
+        output.append('\"');
+        return(output.toString());
+    }
+        
+    
+}