Java urlencoder. encode and htmlencoder

// JSP functions similar to htmlencode functions in ASP Public static string htmlencode (string text ){ If (text = NULL) Return ""; Stringbuffer Results = NULL; Char [] orig = NULL; Int beg = 0, Len = text. Length (); For (INT I = 0; I <Len; ++ I ){ Char c = text. charat (I ); Switch (c ){ Case 0: Case '&': Case '<': Case '> ': Case '"': If (Results = NULL ){ Orig = text. tochararray (); Results = new stringbuffer (LEN + 10 ); } If (I> beg) Results. append (orig, beg, I-Beg ); Beg = I + 1; Switch (c ){ Default: // case 0: Continue; Case '&': Results. append ("&"); Break; Case '<': Results. append ("<"); Break; Case '> ': Results. append ("> "); Break; Case '"': Results. append ("/""); Break; } Break; } } If (Results = NULL) Return text; Results. append (orig, beg, len-Beg ); Return results. tostring (); } // JSP functions similar to urlencode functions in ASP Public static string urlencode (string text ){ Stringbuffer strurl = new stringbuffer (); For (INT I = 0; I <text. Length (); ++ I ){ Switch (text. charat (I )){ Case '': Strurl. append ("% 20 "); Break; Case '+ ': Strurl. append ("% 2B "); Break; Case '/'': Strurl. append ("% 27 "); Break; Case '/': Strurl. append ("% 2f "); Break; Case '.': Strurl. append ("% 2e "); Break; Case '<': Strurl. append ("% 3C "); Break; Case '> ': Strurl. append ("% 3e "); Break; Case '#': Strurl. append ("% 23 "); Break; Case '% ': Strurl. append ("% 25 "); Break; Case '&': Strurl. append ("% 26 "); Break; Case '{': Strurl. append ("% 7b "); Break; Case '}': Strurl. append ("% 7D "); Break; Case '//': Strurl. append ("% 5c "); Break; Case '^ ': Strurl. append ("% 5E "); Break; Case '~ ': Strurl. append ("% 73 "); Break; Case '[': Strurl. append ("% 5B "); Break; Case ']': Strurl. append ("% 5d "); Break; Default: Strurl. append (text. charat (I )); Break; } } Return strurl. tostring (); }         Use existing functions: Java.net. urlencoder. encode () Java.net. urldecoder. Decode ()