availablecharsets.java

Thinking in JAVA第四版源代码

//: io/AvailableCharSets.java
// Displays Charsets and aliases
import java.nio.charset.*;
import java.util.*;
import static net.mindview.util.Print.*;

public class AvailableCharSets {
  public static void main(String[] args) {
    SortedMap<String,Charset> charSets =
      Charset.availableCharsets();
    Iterator<String> it = charSets.keySet().iterator();
    while(it.hasNext()) {
      String csName = it.next();
      printnb(csName);
      Iterator aliases =
        charSets.get(csName).aliases().iterator();
      if(aliases.hasNext())
        printnb(": ");
      while(aliases.hasNext()) {
        printnb(aliases.next());
        if(aliases.hasNext())
          printnb(", ");
      }
      print();
    }
  }
} /* Output:
Big5: csBig5
Big5-HKSCS: big5-hkscs, big5hk, big5-hkscs:unicode3.0, big5hkscs, Big5_HKSCS
EUC-JP: eucjis, x-eucjp, csEUCPkdFmtjapanese, eucjp, Extended_UNIX_Code_Packed_Format_for_Japanese, x-euc-jp, euc_jp
EUC-KR: ksc5601, 5601, ksc5601_1987, ksc_5601, ksc5601-1987, euc_kr, ks_c_5601-1987, euckr, csEUCKR
GB18030: gb18030-2000
GB2312: gb2312-1980, gb2312, EUC_CN, gb2312-80, euc-cn, euccn, x-EUC-CN
GBK: windows-936, CP936
...
*///:~