Refactor LoomGradleExtension (#431)

* First pass at refactoring the extension

* Fix inital issues.

* Combine some interfaces

* Checkstyle

* Fix years

* Add isShareCaches to api

1 files changed, 163 insertions, 0 deletions

diff --git a/src/main/java/net/fabricmc/loom/extension/LoomGradleExtensionImpl.java b/src/main/java/net/fabricmc/loom/extension/LoomGradleExtensionImpl.java
new file mode 100644
index 00000000..72fbceec
--- /dev/null
+++ b/src/main/java/net/fabricmc/loom/extension/LoomGradleExtensionImpl.java
@@ -0,0 +1,163 @@
+/*
+ * This file is part of fabric-loom, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) 2021 FabricMC
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package net.fabricmc.loom.extension;
+
+import java.io.File;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+import java.util.function.Supplier;
+
+import org.cadixdev.lorenz.MappingSet;
+import org.cadixdev.mercury.Mercury;
+import org.gradle.api.NamedDomainObjectProvider;
+import org.gradle.api.Project;
+import org.gradle.api.artifacts.Configuration;
+import org.gradle.api.file.ConfigurableFileCollection;
+
+import net.fabricmc.loom.LoomGradleExtension;
+import net.fabricmc.loom.configuration.InstallerData;
+import net.fabricmc.loom.configuration.LoomDependencyManager;
+import net.fabricmc.loom.configuration.processors.JarProcessorManager;
+
+public class LoomGradleExtensionImpl extends LoomGradleExtensionApiImpl implements LoomGradleExtension {
+	private final Project project;
+	private final LoomFiles loomFiles;
+	private final ConfigurableFileCollection unmappedMods;
+
+	private final Set<File> mixinMappings = Collections.synchronizedSet(new HashSet<>());
+	private final MappingSet[] srcMappingCache = new MappingSet[2];
+	private final Mercury[] srcMercuryCache = new Mercury[2];
+	private final Map<String, NamedDomainObjectProvider<Configuration>> lazyConfigurations = new HashMap<>();
+
+	private LoomDependencyManager dependencyManager;
+	private JarProcessorManager jarProcessorManager;
+	private InstallerData installerData;
+
+	public LoomGradleExtensionImpl(Project project, LoomFiles files) {
+		super(project, files);
+		this.project = project;
+		this.loomFiles = files;
+		this.unmappedMods = project.files();
+	}
+
+	@Override
+	protected Project getProject() {
+		return project;
+	}
+
+	@Override
+	public LoomFiles getFiles() {
+		return loomFiles;
+	}
+
+	@Override
+	public synchronized File getNextMixinMappings() {
+		File mixinMapping = new File(getFiles().getProjectBuildCache(), "mixin-map-" + getMinecraftProvider().minecraftVersion() + "-" + getMappingsProvider().mappingsVersion + "." + mixinMappings.size() + ".tiny");
+		mixinMappings.add(mixinMapping);
+		return mixinMapping;
+	}
+
+	@Override
+	public Set<File> getAllMixinMappings() {
+		return mixinMappings;
+	}
+
+	@Override
+	public void setDependencyManager(LoomDependencyManager dependencyManager) {
+		this.dependencyManager = dependencyManager;
+	}
+
+	@Override
+	public LoomDependencyManager getDependencyManager() {
+		return Objects.requireNonNull(dependencyManager, "Cannot get LoomDependencyManager before it has been setup");
+	}
+
+	@Override
+	public void setJarProcessorManager(JarProcessorManager jarProcessorManager) {
+		this.jarProcessorManager = jarProcessorManager;
+	}
+
+	@Override
+	public JarProcessorManager getJarProcessorManager() {
+		return Objects.requireNonNull(jarProcessorManager, "Cannot get JarProcessorManager before it has been setup");
+	}
+
+	@Override
+	public MappingSet getOrCreateSrcMappingCache(int id, Supplier<MappingSet> factory) {
+		return srcMappingCache[id] != null ? srcMappingCache[id] : (srcMappingCache[id] = factory.get());
+	}
+
+	@Override
+	public Mercury getOrCreateSrcMercuryCache(int id, Supplier<Mercury> factory) {
+		return srcMercuryCache[id] != null ? srcMercuryCache[id] : (srcMercuryCache[id] = factory.get());
+	}
+
+	@Override
+	public ConfigurableFileCollection getUnmappedModCollection() {
+		return unmappedMods;
+	}
+
+	public void setInstallerData(InstallerData object) {
+		this.installerData = object;
+	}
+
+	@Override
+	public InstallerData getInstallerData() {
+		return installerData;
+	}
+
+	@Override
+	public boolean isRootProject() {
+		return project.getRootProject() == project;
+	}
+
+	@Override
+	public NamedDomainObjectProvider<Configuration> createLazyConfiguration(String name) {
+		NamedDomainObjectProvider<Configuration> provider = project.getConfigurations().register(name);
+
+		if (lazyConfigurations.containsKey(name)) {
+			throw new IllegalStateException("Duplicate configuration name" + name);
+		}
+
+		lazyConfigurations.put(name, provider);
+
+		return provider;
+	}
+
+	@Override
+	public NamedDomainObjectProvider<Configuration> getLazyConfigurationProvider(String name) {
+		NamedDomainObjectProvider<Configuration> provider = lazyConfigurations.get(name);
+
+		if (provider == null) {
+			throw new NullPointerException("Could not find provider with name: " + name);
+		}
+
+		return provider;
+	}
+}