InputStream and string,byte between each other

ImportJava.io.ByteArrayInputStream; ImportJava.io.ByteArrayOutputStream; Importjava.io.IOException; ImportJava.io.InputStream; /**   *    * @authorandy.chen * @mail [email protected] **/   Public classInputstreamutils {Final Static intBuffer_size = 4096; /*** Convert InputStream to String *@paramIn InputStream *@returnString *@throwsException **/       Public StaticString inputstreamtostring (InputStream in)throwsexception{Bytearrayoutputstream OutStream=NewBytearrayoutputstream (); byte[] data =New byte[Buffer_size]; intCount =-1;  while((count = In.read (data,0,buffer_size))! =-1) outstream.write (data,0, Count); Data=NULL; return NewString (Outstream.tobytearray (), "Iso-8859-1"); }            /*** Convert InputStream to some character encoded string *@paramIn *@paramencoding *@return       * @throwsException*/            Public StaticString inputstreamtostring (inputstream in,string encoding)throwsexception{Bytearrayoutputstream OutStream=NewBytearrayoutputstream (); byte[] data =New byte[Buffer_size]; intCount =-1;  while((count = In.read (data,0,buffer_size))! =-1) outstream.write (data,0, Count); Data=NULL; return NewString (Outstream.tobytearray (), "Iso-8859-1"); }            /*** Convert String to InputStream *@paramIn *@return       * @throwsException*/       Public StaticInputStream Stringtoinputstream (String in)throwsexception{Bytearrayinputstream is=NewBytearrayinputstream (In.getbytes ("Iso-8859-1")); returnis ; }            /*** Convert InputStream to byte array *@paramIn InputStream *@returnbyte[] *@throwsIOException*/       Public Static byte[] Inputstreamtobyte (InputStream in)throwsioexception{Bytearrayoutputstream OutStream=NewBytearrayoutputstream (); byte[] data =New byte[Buffer_size]; intCount =-1;  while((count = In.read (data,0,buffer_size))! =-1) outstream.write (data,0, Count); Data=NULL; returnOutstream.tobytearray (); }            /*** Convert byte array to InputStream *@paramIn *@return       * @throwsException*/       Public StaticInputStream Bytetoinputstream (byte[] in)throwsexception{Bytearrayinputstream is=NewBytearrayinputstream (in); returnis ; }            /*** Convert byte array to String *@paramIn *@return       * @throwsException*/       Public StaticString bytetostring (byte[] in)throwsexception{InputStream is=Bytetoinputstream (in); returninputstreamtostring (IS); }    }  

InputStream and string,byte between each other