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Fix locale errors due to inconsistent mark/reset support

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Fixes #470
This commit is contained in:
Henry Le Grys 2022-05-10 10:05:06 +01:00
parent 23e01defea
commit 90ff8dfdb7
1 changed files with 12 additions and 10 deletions
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22
launcher/src/main/java/com/skcraft/launcher/util/LocaleEncodingControl.java
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@ -2,10 +2,7 @@ package com.skcraft.launcher.util;
import lombok.extern.java.Log; import lombok.extern.java.Log;
import java.io.IOException; import java.io.*;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.URL; import java.net.URL;
import java.net.URLConnection; import java.net.URLConnection;
import java.nio.charset.Charset; import java.nio.charset.Charset;
@ -30,27 +27,32 @@ public class LocaleEncodingControl extends ResourceBundle.Control {
return null; return null;
} }
BufferedInputStream bis = new BufferedInputStream(is);
// Let's do the timewalk // Let's do the timewalk
boolean isUtf8; boolean isUtf8;
is.mark(3); bis.mark(3);
{ {
byte[] buf = new byte[3]; byte[] buf = new byte[3];
int read = 0; int nread = 0;
while (read < 3) { while (nread < 3) {
read = is.read(buf); int read = bis.read(buf);
if (read == -1) throw new EOFException("Locale file is truncated or empty!");
nread += read;
} }
// the BOM is 0xEF,0xBB,0xBF // the BOM is 0xEF,0xBB,0xBF
isUtf8 = buf[0] == (byte) 0xEF && buf[1] == (byte) 0xBB && buf[2] == (byte) 0xBF; isUtf8 = buf[0] == (byte) 0xEF && buf[1] == (byte) 0xBB && buf[2] == (byte) 0xBF;
} }
is.reset(); bis.reset();
if (isUtf8) { if (isUtf8) {
log.info("Found UTF-8 locale file " + resourceName); log.info("Found UTF-8 locale file " + resourceName);
} }
Charset charset = isUtf8 ? StandardCharsets.UTF_8 : StandardCharsets.ISO_8859_1; Charset charset = isUtf8 ? StandardCharsets.UTF_8 : StandardCharsets.ISO_8859_1;
Reader reader = new InputStreamReader(is, charset); Reader reader = new InputStreamReader(bis, charset);
try { try {
PropertyResourceBundle bundle = new PropertyResourceBundle(reader); PropertyResourceBundle bundle = new PropertyResourceBundle(reader);