source: trunk/yao/share/antlr-2.7.7/examples/java/unicode.IDENTs/Main.java @ 1

import java.io.*;
import antlr.RecognitionException;
import antlr.TokenStreamException;
import antlr.TokenStreamRecognitionException;
import antlr.TokenStreamRetryException;
import antlr.CharBuffer;

class Main {
        // find new line chars for this OS
        private static final String nl = System.getProperty("line.separator","\n");

        public static void main(String[] args) {
                
   InputStreamReader reader = null;
   FileInputStream inputStream = null;
   
                // this one command redirects all System.out and System.err to debug file
                Debug.log.println(" Output for Unicode example");

   System.out.println(" The input file is:"+args[0]);
   try {
                inputStream = new FileInputStream(args[0]);
   } catch (FileNotFoundException ex) {
                System.out.println("Could not find file.");
                System.exit(1);
   }
        
   try {
                reader = new InputStreamReader(inputStream,"SJIS");
   } catch (UnsupportedEncodingException ex) {
                System.out.println("Invalid encoding");
                System.exit(1);
   }
   BufferedReader bufferedReader = new BufferedReader(reader);
   try {
           String line = bufferedReader.readLine();
           while (line != null) {
                 System.out.println(line);
             line = bufferedReader.readLine();
           }
           inputStream.close();
   } catch (IOException ex) {
                System.out.println(ex.getMessage());
                System.exit(1);
   }
        
   
   System.out.println("\nThe parse output is:");
   
   try {
                inputStream = new FileInputStream(args[0]);
   } catch (FileNotFoundException ex) {
                System.out.println("Could not find file.");
                System.exit(1);
   }
   try {
                reader = new InputStreamReader(inputStream,"SJIS");
   } catch (UnsupportedEncodingException ex) {
                System.out.println("Invalid encoding");
                System.exit(1);
   }
   CharBuffer cb = new CharBuffer(reader);
                try {
                        UnicodeLexer lexer = new UnicodeLexer(cb);
                        UnicodeParser parser = new UnicodeParser(lexer);
                        parser.program();
                        
                } catch(Exception e) {
                        // catch all mainly IOExceptions
                        System.err.println("exception: "+e);
                }
        }
}