/** Set up reflection methods required by the loader */
@SuppressWarnings("unchecked")
private boolean prepareLoader() {
try {
// addURL method is used by the class loader to
mAddUrl = URLClassLoader.class.getDeclaredMethod("addURL", URL.class);
mAddUrl.setAccessible(true);
Formatter minecraftLogFormatter = null;
try {
Class<? extends Formatter> formatterClass =
(Class<? extends Formatter>)
Minecraft.class
.getClassLoader()
.loadClass(
ModUtilities.getObfuscatedFieldName(
"net.minecraft.src.ConsoleLogFormatter", "em"));
Constructor<? extends Formatter> defaultConstructor =
formatterClass.getDeclaredConstructor();
defaultConstructor.setAccessible(true);
minecraftLogFormatter = defaultConstructor.newInstance();
} catch (Exception ex) {
ConsoleLogManager.init();
minecraftLogFormatter = ConsoleLogManager.loggerLogManager.getHandlers()[0].getFormatter();
}
logger.setUseParentHandlers(false);
StreamHandler consoleHandler = new ConsoleHandler();
if (minecraftLogFormatter != null) consoleHandler.setFormatter(minecraftLogFormatter);
logger.addHandler(consoleHandler);
FileHandler logFileHandler =
new FileHandler(
new File(Minecraft.getMinecraftDir(), "LiteLoader.txt").getAbsolutePath());
if (minecraftLogFormatter != null) logFileHandler.setFormatter(minecraftLogFormatter);
logger.addHandler(logFileHandler);
} catch (Throwable th) {
logger.log(Level.SEVERE, "Error initialising LiteLoader", th);
return false;
}
return true;
}
/**
* @param classloader
* @param superClass
* @param classes
* @param className
*/
@SuppressWarnings("unchecked")
private static void checkAndAddClass(
ClassLoader classloader, Class superClass, LinkedList<Class> classes, String className) {
if (className.indexOf('$') > -1) return;
try {
Class subClass = classloader.loadClass(className);
if (subClass != null
&& !superClass.equals(subClass)
&& superClass.isAssignableFrom(subClass)
&& !subClass.isInterface()
&& !classes.contains(subClass)) {
classes.add(subClass);
}
} catch (Throwable th) {
logger.log(Level.WARNING, "checkAndAddClass error", th);
}
}
/**
* Find mod classes in the class path and enumerated mod files list
*
* @param classPathEntries Java class path split into string entries
* @return map of classes to load
*/
private HashMap<String, Class> findModClasses(
String[] classPathEntries, LinkedList<File> modFiles) {
// To try to avoid loading the same mod multiple times if it appears in more than one entry in
// the class path, we index
// the mods by name and hopefully match only a single instance of a particular mod
HashMap<String, Class> modsToLoad = new HashMap<String, Class>();
try {
logger.info("Searching protection domain code source...");
File packagePath =
new File(LiteLoader.class.getProtectionDomain().getCodeSource().getLocation().toURI());
LinkedList<Class> modClasses =
getSubclassesFor(packagePath, Minecraft.class.getClassLoader(), LiteMod.class, "LiteMod");
for (Class mod : modClasses) {
modsToLoad.put(mod.getSimpleName(), mod);
}
if (modClasses.size() > 0)
logger.info(String.format("Found %s potential matches", modClasses.size()));
} catch (Throwable th) {
logger.warning("Error loading from local class path: " + th.getMessage());
}
// Search through the class path and find mod classes
for (String classPathPart : classPathEntries) {
logger.info(String.format("Searching %s...", classPathPart));
File packagePath = new File(classPathPart);
LinkedList<Class> modClasses =
getSubclassesFor(packagePath, Minecraft.class.getClassLoader(), LiteMod.class, "LiteMod");
for (Class mod : modClasses) {
modsToLoad.put(mod.getSimpleName(), mod);
}
if (modClasses.size() > 0)
logger.info(String.format("Found %s potential matches", modClasses.size()));
}
// Search through mod files and find mod classes
for (File modFile : modFiles) {
logger.info(String.format("Searching %s...", modFile.getAbsolutePath()));
LinkedList<Class> modClasses =
getSubclassesFor(modFile, Minecraft.class.getClassLoader(), LiteMod.class, "LiteMod");
for (Class mod : modClasses) {
modsToLoad.put(mod.getSimpleName(), mod);
}
if (modClasses.size() > 0)
logger.info(String.format("Found %s potential matches", modClasses.size()));
}
return modsToLoad;
}
/**
* Create mod instances from the enumerated classes
*
* @param modsToLoad List of mods to load
*/
private void loadMods(HashMap<String, Class> modsToLoad) {
if (modsToLoad == null) {
logger.info("Mod class discovery failed. Not loading any mods!");
return;
}
logger.info("Discovered " + modsToLoad.size() + " total mod(s)");
for (Class mod : modsToLoad.values()) {
try {
logger.info("Loading mod from " + mod.getName());
LiteMod newMod = (LiteMod) mod.newInstance();
mods.add(newMod);
logger.info(
"Successfully added mod " + newMod.getName() + " version " + newMod.getVersion());
} catch (Throwable th) {
logger.warning(th.toString());
th.printStackTrace();
}
}
}