package io;

import java.nio.*;

import java.nio.channels.*;

import java.nio.charset.*;

import java.io.*;

import java.util.*;

/**

* RUN:

* javac io/AvailableCharsets.java && java io.AvailableCharsets

*

* OUTPUT:

*

*/

public class AvailableCharsets {

public static void main(String[] args) throws Exception {

FileChannel fc = new FileOutputStream("AvailableCharsets.txt").getChannel();

ByteBuffer buffer = ByteBuffer.allocate(450);

SortedMap<String, Charset> charSets = Charset.availableCharsets();

Iterator<String> it = charSets.keySet().iterator();

while (it.hasNext())

{

String csName = it.next();

System.out.print(csName);

StringBuilder sb = new StringBuilder();

sb.append(csName);

Iterator aliases = charSets.get(csName).aliases().iterator();

if (aliases.hasNext()) {

System.out.print(": ");

sb.append(": ");

}

while (aliases.hasNext()) {

Object obj = aliases.next();

System.out.print(obj);

sb.append((String)obj);

if (aliases.hasNext()) {

System.out.print(", ");

sb.append(", ");

}

}

System.out.println();

sb.append("\n");

buffer.asCharBuffer().put(sb.toString());

fc.write(buffer);

buffer.clear();

}

fc.close();

}

}