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/* Copyright (C) 2000 Free Software Foundation
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
/* This is a base class that handles aliasing issues for
UnicodeToBytes to BytesToUnicode. */
package gnu.gcj.convert;
import java.util.Hashtable;
public abstract class IOConverter
{
// Map encoding aliases to our canonical form.
static private Hashtable hash = new Hashtable ();
// True if we have to do byte-order conversions on iconv()
// arguments.
static protected boolean iconv_byte_swap;
static
{
// Manually maintained aliases. Note that the value must be our
// canonical name.
hash.put ("ISO-Latin-1", "8859_1");
// All aliases after this point are automatically generated by the
// `encodings.pl' script. Run it to make any corrections.
hash.put ("ANSI_X3.4-1968", "ASCII");
hash.put ("iso-ir-6", "ASCII");
hash.put ("ANSI_X3.4-1986", "ASCII");
hash.put ("ISO_646.irv:1991", "ASCII");
hash.put ("ASCII", "ASCII");
hash.put ("ISO646-US", "ASCII");
hash.put ("US-ASCII", "ASCII");
hash.put ("us", "ASCII");
hash.put ("IBM367", "ASCII");
hash.put ("cp367", "ASCII");
hash.put ("csASCII", "ASCII");
hash.put ("ISO_8859-1:1987", "8859_1");
hash.put ("iso-ir-100", "8859_1");
hash.put ("ISO_8859-1", "8859_1");
hash.put ("ISO-8859-1", "8859_1");
hash.put ("latin1", "8859_1");
hash.put ("l1", "8859_1");
hash.put ("IBM819", "8859_1");
hash.put ("CP819", "8859_1");
hash.put ("csISOLatin1", "8859_1");
hash.put ("UTF-8", "UTF8");
hash.put ("Shift_JIS", "SJIS");
hash.put ("MS_Kanji", "SJIS");
hash.put ("csShiftJIS", "SJIS");
hash.put ("Extended_UNIX_Code_Packed_Format_for_Japanese", "EUCJIS");
hash.put ("csEUCPkdFmtJapanese", "EUCJIS");
hash.put ("EUC-JP", "EUCJIS");
iconv_byte_swap = iconv_init ();
}
private static native boolean iconv_init ();
// Turn an alias into the canonical form.
protected static final String canonicalize (String name)
{
String c = (String) hash.get (name);
return c == null ? name : c;
}
}
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