public EncodingService(Ruby runtime) {
this.runtime = runtime;
encodings = EncodingDB.getEncodings();
aliases = EncodingDB.getAliases();
ascii8bit = encodings.get("ASCII-8BIT".getBytes()).getEncoding();
Charset javaDefaultCharset = Charset.defaultCharset();
ByteList javaDefaultBL = new ByteList(javaDefaultCharset.name().getBytes());
Entry javaDefaultEntry = findEncodingOrAliasEntry(javaDefaultBL);
javaDefault = javaDefaultEntry == null ? ascii8bit : javaDefaultEntry.getEncoding();
encodingList = new IRubyObject[encodings.size()];
if (runtime.is1_9()) {
RubyEncoding.createEncodingClass(runtime);
RubyConverter.createConverterClass(runtime);
defineEncodings();
defineAliases();
// External should always have a value, but Encoding.external_encoding{,=} will lazily setup
String encoding = runtime.getInstanceConfig().getExternalEncoding();
if (encoding != null && !encoding.equals("")) {
Encoding loadedEncoding = loadEncoding(ByteList.create(encoding));
if (loadedEncoding == null)
throw new MainExitException(1, "unknown encoding name - " + encoding);
runtime.setDefaultExternalEncoding(loadedEncoding);
} else {
Encoding consoleEncoding = getConsoleEncoding();
Encoding availableEncoding =
consoleEncoding == null ? getLocaleEncoding() : consoleEncoding;
runtime.setDefaultExternalEncoding(availableEncoding);
}
encoding = runtime.getInstanceConfig().getInternalEncoding();
if (encoding != null && !encoding.equals("")) {
Encoding loadedEncoding = loadEncoding(ByteList.create(encoding));
if (loadedEncoding == null)
throw new MainExitException(1, "unknown encoding name - " + encoding);
runtime.setDefaultInternalEncoding(loadedEncoding);
}
}
}
public IRubyObject getDefaultExternal() {
IRubyObject defaultExternal =
convertEncodingToRubyEncoding(runtime.getDefaultExternalEncoding());
if (defaultExternal.isNil()) {
// TODO: MRI seems to default blindly to US-ASCII and we were using Charset default from
// Java...which is right?
ByteList encodingName = ByteList.create("US-ASCII");
Encoding encoding = runtime.getEncodingService().loadEncoding(encodingName);
runtime.setDefaultExternalEncoding(encoding);
defaultExternal = convertEncodingToRubyEncoding(encoding);
}
return defaultExternal;
}