/**
* Instantiates a zip encoding.
*
* @param name The name of the zip encoding. Specify <code>null</code> for
* the platform's default encoding.
* @return A zip encoding for the given encoding name.
*/
protected internal static ZipEncoding getZipEncoding(String name)
{
// fallback encoding is good enough for utf-8.
if (isUTF8(name))
{
return(UTF8_ZIP_ENCODING);
}
if (name == null)
{
return(new FallbackZipEncoding());
}
SimpleEncodingHolder h =
(SimpleEncodingHolder)simpleEncodings.get(name);
if (h != null)
{
return(h.getEncoding());
}
try {
java.nio.charset.Charset cs = java.nio.charset.Charset.forName(name);
return(new NioZipEncoding(cs));
}
catch (java.nio.charset.UnsupportedCharsetException)
{
return(new FallbackZipEncoding(name));
}
}
static ZipEncodingHelper()
{
simpleEncodings = new java.util.HashMap <String, SimpleEncodingHolder>();
char[] cp437_high_chars =
new char[] { '\u00c7', '\u00fc', '\u00e9', '\u00e2', '\u00e4', '\u00e0',
'\u00e5', '\u00e7', '\u00ea', '\u00eb', '\u00e8', '\u00ef',
'\u00ee', '\u00ec', '\u00c4', '\u00c5', '\u00c9', '\u00e6',
'\u00c6', '\u00f4', '\u00f6', '\u00f2', '\u00fb', '\u00f9',
'\u00ff', '\u00d6', '\u00dc', '\u00a2', '\u00a3', '\u00a5',
'\u20a7', '\u0192', '\u00e1', '\u00ed', '\u00f3', '\u00fa',
'\u00f1', '\u00d1', '\u00aa', '\u00ba', '\u00bf', '\u2310',
'\u00ac', '\u00bd', '\u00bc', '\u00a1', '\u00ab', '\u00bb',
'\u2591', '\u2592', '\u2593', '\u2502', '\u2524', '\u2561',
'\u2562', '\u2556', '\u2555', '\u2563', '\u2551', '\u2557',
'\u255d', '\u255c', '\u255b', '\u2510', '\u2514', '\u2534',
'\u252c', '\u251c', '\u2500', '\u253c', '\u255e', '\u255f',
'\u255a', '\u2554', '\u2569', '\u2566', '\u2560', '\u2550',
'\u256c', '\u2567', '\u2568', '\u2564', '\u2565', '\u2559',
'\u2558', '\u2552', '\u2553', '\u256b', '\u256a', '\u2518',
'\u250c', '\u2588', '\u2584', '\u258c', '\u2590', '\u2580',
'\u03b1', '\u00df', '\u0393', '\u03c0', '\u03a3', '\u03c3',
'\u00b5', '\u03c4', '\u03a6', '\u0398', '\u03a9', '\u03b4',
'\u221e', '\u03c6', '\u03b5', '\u2229', '\u2261', '\u00b1',
'\u2265', '\u2264', '\u2320', '\u2321', '\u00f7', '\u2248',
'\u00b0', '\u2219', '\u00b7', '\u221a', '\u207f', '\u00b2',
'\u25a0', '\u00a0' };
SimpleEncodingHolder cp437 = new SimpleEncodingHolder(cp437_high_chars);
simpleEncodings.put("CP437", cp437);
simpleEncodings.put("Cp437", cp437);
simpleEncodings.put("cp437", cp437);
simpleEncodings.put("IBM437", cp437);
simpleEncodings.put("ibm437", cp437);
char[] cp850_high_chars =
new char[] { '\u00c7', '\u00fc', '\u00e9', '\u00e2', '\u00e4', '\u00e0',
'\u00e5', '\u00e7', '\u00ea', '\u00eb', '\u00e8', '\u00ef',
'\u00ee', '\u00ec', '\u00c4', '\u00c5', '\u00c9', '\u00e6',
'\u00c6', '\u00f4', '\u00f6', '\u00f2', '\u00fb', '\u00f9',
'\u00ff', '\u00d6', '\u00dc', '\u00f8', '\u00a3', '\u00d8',
'\u00d7', '\u0192', '\u00e1', '\u00ed', '\u00f3', '\u00fa',
'\u00f1', '\u00d1', '\u00aa', '\u00ba', '\u00bf', '\u00ae',
'\u00ac', '\u00bd', '\u00bc', '\u00a1', '\u00ab', '\u00bb',
'\u2591', '\u2592', '\u2593', '\u2502', '\u2524', '\u00c1',
'\u00c2', '\u00c0', '\u00a9', '\u2563', '\u2551', '\u2557',
'\u255d', '\u00a2', '\u00a5', '\u2510', '\u2514', '\u2534',
'\u252c', '\u251c', '\u2500', '\u253c', '\u00e3', '\u00c3',
'\u255a', '\u2554', '\u2569', '\u2566', '\u2560', '\u2550',
'\u256c', '\u00a4', '\u00f0', '\u00d0', '\u00ca', '\u00cb',
'\u00c8', '\u0131', '\u00cd', '\u00ce', '\u00cf', '\u2518',
'\u250c', '\u2588', '\u2584', '\u00a6', '\u00cc', '\u2580',
'\u00d3', '\u00df', '\u00d4', '\u00d2', '\u00f5', '\u00d5',
'\u00b5', '\u00fe', '\u00de', '\u00da', '\u00db', '\u00d9',
'\u00fd', '\u00dd', '\u00af', '\u00b4', '\u00ad', '\u00b1',
'\u2017', '\u00be', '\u00b6', '\u00a7', '\u00f7', '\u00b8',
'\u00b0', '\u00a8', '\u00b7', '\u00b9', '\u00b3', '\u00b2',
'\u25a0', '\u00a0' };
SimpleEncodingHolder cp850 = new SimpleEncodingHolder(cp850_high_chars);
simpleEncodings.put("CP850", cp850);
simpleEncodings.put("Cp850", cp850);
simpleEncodings.put("cp850", cp850);
simpleEncodings.put("IBM850", cp850);
simpleEncodings.put("ibm850", cp850);
}