chore: javadocs, version bump

build.gradle

@@ -6,7 +6,12 @@ plugins {
 archivesBaseName = 'loader'
 version = gitVersion()
 
-java.toolchain.languageVersion = JavaLanguageVersion.of(8)
+java {
+	sourceCompatibility = JavaVersion.VERSION_1_8
+	targetCompatibility = JavaVersion.VERSION_1_8
+	withSourcesJar()
+	withJavadocJar()
+}
 
 repositories {
 	maven { url = 'https://maven.minecraftforge.net/' }
@@ -15,11 +20,11 @@ repositories {
 }
 
 dependencies {
-	implementation 'org.apache.logging.log4j:log4j-api:2.15.0'
-	implementation 'org.apache.logging.log4j:log4j-core:2.15.0'
+	implementation 'org.apache.logging.log4j:log4j-api:2.17.1'
+	implementation 'org.apache.logging.log4j:log4j-core:2.17.1'
 	implementation 'org.ow2.asm:asm-commons:9.4'
 	implementation 'cpw.mods:modlauncher:8.1.3'
-	implementation 'ftbsc:lll:0.3.0'
+	implementation 'ftbsc:lll:0.3.2'
 }
 
 jar {

src/main/java/ftbsc/lll/loader/LilleroLoader.java

@@ -20,35 +20,84 @@ import java.nio.file.Path;
 import java.util.*;
 import java.util.stream.Collectors;
 
+/**
+ * Implements the {@link ILaunchPluginService} interface to create
+ * a loader for Lillero patches ({@link IInjector}).
+ */
 public class LilleroLoader implements ILaunchPluginService {
+	/**
+	 * A Log4j logger instance.
+	 */
 	private static final Logger LOGGER = LogManager.getLogger(LilleroLoader.class.getCanonicalName());
-	private static final Marker INIT     = MarkerManager.getMarker("INIT");
-	private static final Marker RESOURCE = MarkerManager.getMarker("RESOURCE");
-	private static final Marker HANDLER  = MarkerManager.getMarker("HANDLER");
-	private static final Marker PATCHER  = MarkerManager.getMarker("PATCHER");
 
+	/**
+	 * A Marker for the logger, used during the initialisation phase.
+	 */
+	private static final Marker INIT = MarkerManager.getMarker("INIT");
+
+	/**
+	 * A Marker for the logger, used during the resource processing phase.
+	 */
+	private static final Marker RESOURCE = MarkerManager.getMarker("RESOURCE");
+
+	/**
+	 * A Marker for the logger, used during class inspection.
+	 */
+	private static final Marker HANDLER = MarkerManager.getMarker("HANDLER");
+
+	/**
+	 * A Marker for the logger, used during the patching phase.
+	 */
+	private static final Marker PATCHER = MarkerManager.getMarker("PATCHER");
+
+	/**
+	 * The unique identifier assigned to this plugin.
+	 */
 	public static final String NAME = "lll-loader";
 
+	/**
+	 * A Set used to hold declared injectors.
+	 */
 	private final Set<IInjector> injectors = new HashSet<>();
+
+	/**
+	 * A Set used to hold the fully-qualified names of target classes.
+	 * Used to improve performance.
+	 */
 	private final Set<String> targetClasses = new HashSet<>();
 
 	public LilleroLoader() {
 		LOGGER.info(INIT, "Patch Loader initialized");
 	}
 
+	/**
+	 * The unique name of this plugin, used by the launcher and other systems to find it.
+	 * @return the name of the plugin
+	 * @see ILaunchPluginService#name()
+	 */
 	@Override
 	public String name() {
 		return NAME;
 	}
 
-
-	// Load mods requesting patches from resources
-
+	/**
+	 * Adds a resource to this plugin for processing by it.
+	 * In our implementation, it does nothing but log that it happened.
+	 * @param resource The resource to be considered by this plugin.
+	 * @param name A name for this resource.
+	 */
 	@Override
 	public void offerResource(Path resource, String name) {
 		LOGGER.warn(RESOURCE, "Resource offered to us ({}@{}) but no action was taken", name, resource.toString());
 	}
 
+	/**
+	 * Offer scan results from TransformationServices to this plugin.
+	 * In practice, the paths of Forge mod JARs are offered to our processor here. In the method, we look for
+	 * service provider files for {@link IInjector} and load them. We also memorise in a set the fully qualified
+	 * name of classes that are to be patched.
+	 * @param resources A collection of all the results
+	 */
 	@Override
 	public void addResources(List<Map.Entry<String, Path>> resources) {
 		LOGGER.debug(RESOURCE, "Resources being added:");
@@ -69,16 +118,40 @@ public class LilleroLoader implements ILaunchPluginService {
 	}
 
 
-	// Filter only classes we need to patch
-
-	@Override
-	public EnumSet<Phase> handlesClass(Type classType, final boolean isEmpty) {
-		throw new IllegalStateException("Outdated ModLauncher"); //mixin does it
-	}
-
+	/**
+	 * What is returned when the class being processed is to be patched.
+	 */
 	private static final EnumSet<Phase> YAY = EnumSet.of(Phase.BEFORE);
+
+	/**
+	 * What is returned when the class being processed is of no interest to any patch.
+	 */
 	private static final EnumSet<Phase> NAY = EnumSet.noneOf(Phase.class);
 
+	/**
+	 * Legacy method - only called by outdated ModLauncher versions. Since we don't really use
+	 * the reason, however, we can support it.
+	 * @param classType the class to consider
+	 * @param isEmpty if the class is empty at present (indicates no backing file found)
+	 * @return the set of {@link Phase}s the plugin wishes to be called back with
+	 * @see LilleroLoader#handlesClass(Type, boolean, String)
+	 */
+	@Override
+	public EnumSet<Phase> handlesClass(Type classType, final boolean isEmpty) {
+		return handlesClass(classType, isEmpty, "unspecified");
+	}
+
+	/**
+	 * Each class loaded is offered to the plugin for processing the plugin replies whether it's interested or not.
+	 * The loader is only interested if the class's fully qualified name was earlier placed in the set.
+	 * @param classType the class to consider
+	 * @param isEmpty if the class is empty at present (indicates no backing file found)
+	 * @param reason Reason for transformation request.
+	 *               "classloading" - cpw.mods.modlauncher.api.ITransformerActivity#CLASSLOADING_REASON
+	 *               "computing_frames" - cpw.mods.modlauncher.api.ITransformerActivity#COMPUTING_FRAMES_REASON
+	 *               or the name of an {@link ILaunchPluginService}
+	 * @return the set of {@link Phase}s the plugin wishes to be called back with
+	 */
 	@Override
 	public EnumSet<Phase> handlesClass(Type classType, final boolean isEmpty, final String reason) {
 		if (isEmpty) return NAY;
@@ -91,8 +164,16 @@ public class LilleroLoader implements ILaunchPluginService {
 	}
 
 
-	// Process classes and inject methods
-
+	/**
+	 * Each class loaded is offered to the plugin for processing.
+	 * This is where the actual injection happens: the loader calls the {@link IInjector#inject(ClassNode, MethodNode)}
+	 * method with the appropriate parameters, after finding them..
+	 * @param phase The phase of the supplied class node
+	 * @param classNode the classnode to process
+	 * @param classType the name of the class
+	 * @param reason Reason for transformation. "classloading" or the name of an {@link ILaunchPluginService}
+	 * @return the {@link ComputeFlags} for this class
+	 */
 	@Override
 	public int processClassWithFlags(Phase phase, ClassNode classNode, Type classType, String reason) {
 		LOGGER.debug(PATCHER, "Processing class {} in phase {} of {}", classType.getClassName(), phase.name(), reason);