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Code Issues Projects Releases Wiki Activity

add UTF compatibility for locale files

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This commit is contained in:
jascotty2 2019-09-01 05:29:22 -05:00
parent 9ee17cc27e
commit 0008f54a9e
4 changed files with 155 additions and 38 deletions
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2
src/main/java/com/songoda/core/SongodaCore.java
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@ -93,10 +93,10 @@ public class SongodaCore {
piggybackedPlugin = javaPlugin;
commandManager = new CommandManager(piggybackedPlugin);
loginListener = new EventListener();
shadingListener = new ShadedEventListener();
}
private void init() {
shadingListener = new ShadedEventListener();
commandManager.registerCommandDynamically(new SongodaCoreCommand(this))
.addSubCommand(new SongodaCoreDiagCommand(this));
Bukkit.getPluginManager().registerEvents(loginListener, piggybackedPlugin);

2
src/main/java/com/songoda/core/SongodaPlugin.java
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@ -92,6 +92,8 @@ public abstract class SongodaPlugin extends JavaPlugin {
getLogger().log(Level.SEVERE, "Unexpected error while loading " + getDescription().getName() + ": Disabling plugin!", t);
emergencyStop = true;
setEnabled(false);
console.sendMessage(ChatColor.RED + "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
return;
}
console.sendMessage(ChatColor.GREEN + "=============================");

1
src/main/java/com/songoda/core/configuration/Config.java
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@ -4,7 +4,6 @@ import com.google.common.base.Charsets;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

188
src/main/java/com/songoda/core/locale/Locale.java
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@ -1,18 +1,22 @@
package com.songoda.core.locale;
import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.plugin.Plugin;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.nio.ByteBuffer;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
@ -20,6 +24,8 @@ import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import org.bukkit.plugin.Plugin;
import org.bukkit.plugin.java.JavaPlugin;
/**
* Assists in the utilization of localization files. <br>
@ -30,7 +36,7 @@ import java.util.stream.Collectors;
*/
public class Locale {
private static final Pattern NODE_PATTERN = Pattern.compile("(\\w+(?:\\.{1}\\w+)*)\\s*=\\s*\"(.*)\"");
private static final Pattern NODE_PATTERN = Pattern.compile("^([^ ]+)\\s*=\\s*\"?(.*?)\"?$");
private static final String FILE_EXTENSION = ".lang";
private final Map<String, String> nodes = new HashMap<>();
@ -134,7 +140,7 @@ public class Locale {
* @return true if the operation was successful, false otherwise
*/
public static boolean saveDefaultLocale(JavaPlugin plugin, String locale, String fileName) {
return saveLocale(plugin, plugin.getResource(locale + FILE_EXTENSION), fileName);
return saveLocale(plugin, plugin.getResource(locale + FILE_EXTENSION), fileName, true);
}
/**
@ -146,6 +152,11 @@ public class Locale {
* @return true if the operation was successful, false otherwise
*/
public static boolean saveLocale(Plugin plugin, InputStream in, String fileName) {
return saveLocale(plugin, in, fileName, false);
}
private static boolean saveLocale(Plugin plugin, InputStream in, String fileName, boolean builtin) {
if(in == null) return false;
File localeFolder = new File(plugin.getDataFolder(), "locales/");
if (!localeFolder.exists()) localeFolder.mkdirs();
@ -154,7 +165,7 @@ public class Locale {
File destinationFile = new File(localeFolder, fileName);
if (destinationFile.exists())
return updateFiles(plugin, in, destinationFile);
return updateFiles(plugin, in, destinationFile, builtin);
try (OutputStream outputStream = new FileOutputStream(destinationFile)) {
copy(in, outputStream);
@ -170,44 +181,56 @@ public class Locale {
}
// Write new changes to existing files, if any at all
// TODO: implement auto-update lang files with missing translations (load from en_us)
private static boolean updateFiles(Plugin plugin, InputStream defaultFile, File existingFile) {
private static boolean updateFiles(Plugin plugin, InputStream defaultFile, File existingFile, boolean builtin) {
boolean changed = false;
List<String> defaultLines, existingLines;
try (BufferedReader defaultReader = new BufferedReader(new InputStreamReader(defaultFile));
BufferedReader existingReader = new BufferedReader(new FileReader(existingFile));
BufferedWriter writer = new BufferedWriter(new FileWriter(existingFile, true))) {
defaultLines = defaultReader.lines().collect(Collectors.toList());
existingLines = existingReader.lines().map(s -> s.split("\\s*=")[0]).collect(Collectors.toList());
try (BufferedInputStream defaultIn = new BufferedInputStream(defaultFile);
BufferedInputStream existingIn = new BufferedInputStream(new FileInputStream(existingFile))) {
for (String defaultValue : defaultLines) {
if (defaultValue.isEmpty() || defaultValue.startsWith("#")) continue;
Charset defaultCharset = Locale.detectCharset(defaultIn);
Charset existingCharset = Locale.detectCharset(existingIn);
String key = defaultValue.split("\\s*=")[0];
try (OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(existingFile, true), existingCharset);
BufferedReader defaultReader = new BufferedReader(new InputStreamReader(defaultIn, defaultCharset));
BufferedReader existingReader = new BufferedReader(new InputStreamReader(existingIn, existingCharset));) {
defaultLines = defaultReader.lines().map(s -> s.replaceAll("[\uFEFF\uFFFE\u200B]", "")).collect(Collectors.toList());
existingLines = existingReader.lines().map(s -> s.replaceAll("[\uFEFF\uFFFE\u200B]", "").split("\\s*=")[0]).collect(Collectors.toList());
if (!existingLines.contains(key)) {
if (!changed) {
writer.newLine();
writer.newLine();
// Leave a note alerting the user of the newly added messages.
writer.write("# New messages for " + plugin.getName() + " v" + plugin.getDescription().getVersion() + ".");
for (String defaultValue : defaultLines) {
// If changes were found outside of the default file leave a note explaining that.
if (defaultFile == null) {
writer.newLine();
writer.write("# These translations were found untranslated, join");
writer.newLine();
writer.write("# our translation Discord https://discord.gg/f7fpZEf");
writer.newLine();
writer.write("# to request an official update!");
}
if (defaultValue.isEmpty() || defaultValue.startsWith("#")) {
continue;
}
writer.newLine();
writer.write(defaultValue);
String key = defaultValue.split("\\s*=")[0];
changed = true;
if (!existingLines.contains(key)) {
if (!changed) {
writer.write("\n\n");
// Leave a note alerting the user of the newly added messages.
writer.write("# New messages for " + plugin.getName() + " v" + plugin.getDescription().getVersion() + ".");
// If changes were found outside of the default file leave a note explaining that.
if (!builtin) {
writer.write("\n");
writer.write("# These translations were found untranslated, join\n");
writer.write("# our translation Discord https://discord.gg/f7fpZEf\n");
writer.write("# to request an official update!\n");
}
}
writer.write("\n");
// re-encode to target format? (transform down, not up)
// if (defaultCharset != existingCharset) {
// byte[] encoded = defaultValue.getBytes(defaultCharset);
// defaultValue = new String(encoded, 2, encoded.length - 2, existingCharset);
// }
writer.write(defaultValue);
changed = true;
}
}
}
} catch (IOException e) {
@ -230,10 +253,28 @@ public class Locale {
this.nodes.clear(); // Clear previous data (if any)
try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
// guess what encoding this file is in
Charset charset = detectCharset(file);
if(charset == null) {
return false;
}
// load in the file!
try (FileInputStream stream = new FileInputStream(file);
BufferedReader reader = new BufferedReader(new InputStreamReader((InputStream) stream, charset));) {
String line;
for (int lineNumber = 0; (line = reader.readLine()) != null; lineNumber++) {
if ((line = line.trim()).isEmpty() || line.startsWith("#") /* Comment */) continue;
if (lineNumber == 0){
// remove BOM markers, if any
line = line.replaceAll("[\uFEFF\uFFFE\u200B]", "");
}
// convert to UTF-8 ?
/*if (charset == StandardCharsets.UTF_16LE || charset == StandardCharsets.UTF_16BE) {
byte[] encoded = line.getBytes(charset);
line = new String(encoded, 0, encoded.length, StandardCharsets.UTF_8);
} */
Matcher matcher = NODE_PATTERN.matcher(line);
if (!matcher.find()) {
@ -250,6 +291,81 @@ public class Locale {
return true;
}
protected static final List<Charset> supportedCharsets = new ArrayList();
static {
supportedCharsets.add(StandardCharsets.UTF_8); // UTF-8 BOM: EF BB BF
supportedCharsets.add(StandardCharsets.ISO_8859_1); // also starts with EF BB BF
//supportedCharsets.add(StandardCharsets.UTF_16LE); // FF FE
//supportedCharsets.add(StandardCharsets.UTF_16BE); // FE FF
//supportedCharsets.add(StandardCharsets.UTF_16);
try {
supportedCharsets.add(Charset.forName("windows-1253"));
supportedCharsets.add(Charset.forName("ISO-8859-7"));
} catch (Exception e) {
} // UnsupportedCharsetException technically can be thrown, but can also be ignored
supportedCharsets.add(StandardCharsets.US_ASCII);
}
protected static Charset detectCharset(File f) {
byte[] buffer = new byte[2048];
int read = -1;
// read the first 2kb of the file and test the file's encoding
try (FileInputStream input = new FileInputStream(f)) {
read = input.read(buffer);
} catch (Exception ex) {
return null;
}
return read != -1 ? detectCharset(buffer, read) : null;
}
protected static Charset detectCharset(BufferedInputStream reader) {
byte[] buffer = new byte[2048];
int read;
try {
reader.mark(2048);
read = reader.read(buffer);
reader.reset();
} catch (Exception ex) {
return null;
}
return read != -1 ? detectCharset(buffer, read) : null;
}
protected static Charset detectCharset(byte[] data, int len) {
// check the file header
if (len > 4) {
if (data[0] == (byte) 0xFF && data[1] == (byte) 0xFE) {
return StandardCharsets.UTF_16LE;
// FF FE 00 00 is UTF-32LE
} else if (data[0] == (byte) 0xFE && data[1] == (byte) 0xFF) {
return StandardCharsets.UTF_16BE;
// 00 00 FE FF is UTF-32BE
} else if (data[0] == (byte) 0xEF && data[1] == (byte) 0xBB && data[2] == (byte) 0xBF) { // UTF-8 with BOM, same sig as ISO-8859-1
return StandardCharsets.UTF_8;
}
}
// iterate through sets to test, and return the first that is ok
for (Charset charset : supportedCharsets) {
if (charset != null && isCharset(data, len, charset)) {
return charset;
}
}
return null;
}
protected static boolean isCharset(byte[] data, int len, Charset charset) {
try {
CharsetDecoder decoder = charset.newDecoder();
decoder.reset();
decoder.decode(ByteBuffer.wrap(data));
return true;
} catch (CharacterCodingException e) {
}
return false;
}
/**
* Supply the Message object with the plugins prefix.
*