import java.io.*;
 import java.nio.*;
 import java.nio.channels.*;
 import java.nio.charset.*;
 import java.util.*;
 import java.util.regex.*;

 public class WordCount {
  public static void main(String args[]) throws 
  Exception { 
    String filename = args[0];

    // Map File from filename to byte buffer
    FileInputStream input = new 
    FileInputStream(filename);
    FileChannel channel = input.getChannel();
    int fileLength = (int)channel.size();
    MappedByteBuffer buffer = 
    channel.map(FileChannel.MAP_RO, 0, 
      fileLength);

    // Convert to character buffer
    Charset charset = Charset.forName("ISO-8859-1");
    CharsetDecoder decoder = charset.newDecoder();
    CharBuffer charBuffer = decoder.decode(buffer);

    // Create line pattern
    Pattern linePattern = Pattern.compile(".*$",
      Pattern.MULTILINE);

    // Create word pattern
    Pattern wordBreakPattern = 
    Pattern.compile("[{space}{punct}]");

    // Match line pattern to buffer
    Matcher lineMatcher = 
    linePattern.matcher(charBuffer);

    Map map = new TreeMap();
    Integer ONE = new Integer(1);

    // For each line
    while (lineMatcher.find()) {
      // Get line
      CharSequence line = lineMatcher.group();

      // Get array of words on line
      String words[] = wordBreakPattern.split(line);

      // For each word
      for (int i=0, n=words.length; i<n; i++) {
        if (words[i].length() > 0) {
          Integer frequency = 
          (Integer)map.get(words[i]);
          if (frequency == null) {
            frequency = ONE;
          } else {
            int value = frequency.intValue();
            frequency = new Integer(value + 1);
          }
          map.put(words[i], frequency);
        }
      }
    }
    System.out.println(map);
  }
 }