Remove org.to2mbn. prefix of options

src/main/java/moe/yushi/authlibinjector/AuthlibInjector.java

@@ -30,6 +30,35 @@ public final class AuthlibInjector {
 			"com.ibm.", "joptsimple.", "moe.yushi.authlibinjector.", "org.graalvm.", "org.GNOME.", "it.unimi.dsi.fastutil.",
 			"oshi." };
 
+	// ==== System Properties ===
+
+	/**
+	 * Stores the API root, should be set before {@link #bootstrap(Consumer)} is invoked.
+	 */
+	public static final String PROP_API_ROOT = "authlibinjector.yggdrasil";
+
+	/**
+	 * Stores the prefetched API root response, should be set by the launcher.
+	 */
+	public static final String PROP_PREFETCHED_DATA = "authlibinjector.yggdrasil.prefetched";
+
+	/**
+	 * @see #PROP_PREFETCHED_DATA
+	 */
+	public static final String PROP_PREFETCHED_DATA_OLD = "org.to2mbn.authlibinjector.config.prefetched";
+
+	/**
+	 * Whether to disable the local httpd server.
+	 */
+	public static final String PROP_DISABLE_HTTPD = "authlibinjector.httpd.disable";
+
+	/**
+	 * Whether to turn on debug logging.
+	 */
+	public static final String PROP_DEBUG = "authlibinjector.debug";
+
+	// ====
+
 	private AuthlibInjector() {}
 
 	private static AtomicBoolean booted = new AtomicBoolean(false);
@@ -50,15 +79,26 @@ public final class AuthlibInjector {
 		}
 	}
 
+	private static Optional<String> getPrefetchedResponse() {
+		String prefetched = System.getProperty(PROP_PREFETCHED_DATA);
+		if (prefetched == null) {
+			prefetched = System.getProperty(PROP_PREFETCHED_DATA_OLD);
+			if (prefetched != null) {
+				info("warning: org.to2mbn.authlibinjector.config.prefetched option is deprecated and will be removed in a future release.");
+			}
+		}
+		return Optional.ofNullable(prefetched);
+	}
+
 	private static Optional<YggdrasilConfiguration> configure() {
-		String apiRoot = System.getProperty("org.to2mbn.authlibinjector.config");
+		String apiRoot = System.getProperty(PROP_API_ROOT);
 		if (apiRoot == null) return empty();
 		info("api root: {0}", apiRoot);
 
 		String metadataResponse;
 
-		String prefetched = System.getProperty("org.to2mbn.authlibinjector.config.prefetched");
+		Optional<String> prefetched = getPrefetchedResponse();
-		if (prefetched == null) {
+		if (!prefetched.isPresent()) {
 			info("fetching metadata");
 			try {
 				metadataResponse = asString(getURL(apiRoot));
@@ -70,11 +110,11 @@ public final class AuthlibInjector {
 		} else {
 			info("prefetched metadata detected");
 			try {
-				metadataResponse = new String(Base64.getDecoder().decode(removeNewLines(prefetched)), UTF_8);
+				metadataResponse = new String(Base64.getDecoder().decode(removeNewLines(prefetched.get())), UTF_8);
 			} catch (IllegalArgumentException e) {
 				info("unable to decode metadata: {0}\n"
 						+ "metadata to decode:\n"
-						+ "{1}", e, prefetched);
+						+ "{1}", e, prefetched.get());
 				throw e;
 			}
 		}
@@ -101,7 +141,7 @@ public final class AuthlibInjector {
 		for (String ignore : nonTransformablePackages)
 			transformer.ignores.add(ignore);
 
-		if (!"true".equals(System.getProperty("org.to2mbn.authlibinjector.httpd.disable"))) {
+		if (!"true".equals(System.getProperty(PROP_DISABLE_HTTPD))) {
 			transformer.units.add(DeprecatedApiHandle.createTransformUnit(config));
 		}
 

src/main/java/moe/yushi/authlibinjector/javaagent/AuthlibInjectorPremain.java

@@ -1,5 +1,6 @@
 package moe.yushi.authlibinjector.javaagent;
 
+import static moe.yushi.authlibinjector.AuthlibInjector.PROP_API_ROOT;
 import static moe.yushi.authlibinjector.AuthlibInjector.bootstrap;
 import static moe.yushi.authlibinjector.AuthlibInjector.nonTransformablePackages;
 import static moe.yushi.authlibinjector.util.LoggingUtils.debug;
@@ -50,7 +51,7 @@ public class AuthlibInjectorPremain {
 
 	private static void setupConfig(String arg) {
 		if (arg != null && !arg.isEmpty()) {
-			System.setProperty("org.to2mbn.authlibinjector.config", arg);
+			System.setProperty(PROP_API_ROOT, arg);
 		}
 	}
 

src/main/java/moe/yushi/authlibinjector/util/LoggingUtils.java

@@ -1,10 +1,11 @@
 package moe.yushi.authlibinjector.util;
 
+import static moe.yushi.authlibinjector.AuthlibInjector.PROP_DEBUG;
 import java.text.MessageFormat;
 
 public final class LoggingUtils {
 
-	private static boolean debug = "true".equals(System.getProperty("org.to2mbn.authlibinjector.debug"));
+	private static boolean debug = "true".equals(System.getProperty(PROP_DEBUG));
 
 	public static void info(String message, Object... args) {
 		System.err.println("[authlib-injector] " + MessageFormat.format(message, args));