add simple config

src/main/java/net/ornithemc/meta/OrnitheMeta.java

@@ -26,8 +26,6 @@
 import org.tinylog.Logger;
 import org.tinylog.TaggedLogger;
 
-import javax.xml.stream.XMLStreamException;
-import java.io.IOException;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
@@ -55,7 +53,7 @@ private static void update(){
 		try {
 			databaseOld = VersionDatabaseOld.generate();
 			database = VersionDatabase.generate();
-		} catch (IOException | XMLStreamException e) {
+		} catch (Exception e) {
 			Logger.error(e);
 		}
 	}

src/main/java/net/ornithemc/meta/data/ConfigV3.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2019 FabricMC
+ *
+ * Modifications copyright (c) 2022 OrnitheMC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.ornithemc.meta.data;
+
+import java.io.File;
+
+import net.ornithemc.meta.OrnitheMeta;
+
+public class ConfigV3 {
+
+	private static final File FILE = new File("config-v3.json");
+
+	public int latestIntermediaryGeneration = -1;
+	public int stableIntermediaryGeneration = -1;
+
+	public static ConfigV3 load() throws Exception {
+		return OrnitheMeta.MAPPER.readValue(FILE, ConfigV3.class);
+	}
+}

src/main/java/net/ornithemc/meta/data/VersionDatabase.java

@@ -33,7 +33,6 @@
 import net.ornithemc.meta.web.LibraryUpgradesV3.LibraryUpgrade;
 import net.ornithemc.meta.web.models.*;
 
-import javax.xml.stream.XMLStreamException;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.net.URL;
@@ -52,9 +51,6 @@ public class VersionDatabase {
 	public static final String ORNITHE_MAVEN_VERSIONS_URL = "https://maven.ornithemc.net/api/maven/versions/releases/";
 	public static final String MINECRAFT_LIBRARIES_URL = "https://libraries.minecraft.net/";
 
-	public static final int LATEST_GENERATION = 2;
-	public static final int LATEST_STABLE_GENERATION = 1;
-
 	public static final PomParser RAVEN_PARSER = new PomParser(ORNITHE_MAVEN_URL + "net/ornithemc/raven/maven-metadata.xml");
 	public static final PomParser SPARROW_PARSER = new PomParser(ORNITHE_MAVEN_URL + "net/ornithemc/sparrow/maven-metadata.xml");
 	public static final PomParser NESTS_PARSER = new PomParser(ORNITHE_MAVEN_URL + "net/ornithemc/nests/maven-metadata.xml");
@@ -63,6 +59,9 @@ public class VersionDatabase {
 	public static final PomParser INSTALLER_PARSER = new PomParser(ORNITHE_MAVEN_URL + "net/ornithemc/ornithe-installer/maven-metadata.xml");
 	public static final PomParser OSL_PARSER = new PomParser(ORNITHE_MAVEN_URL + "net/ornithemc/osl/maven-metadata.xml");
 	public static final PomDependencyParser OSL_DEPENDENCY_PARSER = new PomDependencyParser(ORNITHE_MAVEN_URL + "net/ornithemc/osl");
+
+	public static ConfigV3 config;
+
 	public final VersionManifest manifest = new VersionManifest();
 	private final Int2ObjectMap<List<BaseVersion>> game;
 	private final Int2ObjectMap<List<MavenVersion>> intermediary;
@@ -88,13 +87,13 @@ private VersionDatabase() {
 	public static final PomParser intermediaryParser(int generation) {
 		return generation == 1
 				? new PomParser(ORNITHE_MAVEN_URL + "net/ornithemc/calamus-intermediary/maven-metadata.xml")
-				: new PomParser(ORNITHE_MAVEN_URL + "net/ornithemc/calamus-intermediary-gen" + generation + "/maven-metadata.xml", generation <= LATEST_STABLE_GENERATION);
+				: new PomParser(ORNITHE_MAVEN_URL + "net/ornithemc/calamus-intermediary-gen" + generation + "/maven-metadata.xml", generation <= config.stableIntermediaryGeneration);
 	}
 
 	public static final PomParser featherParser(int generation) {
 		return generation == 1
 				? new PomParser(ORNITHE_MAVEN_URL + "net/ornithemc/feather/maven-metadata.xml")
-				: new PomParser(ORNITHE_MAVEN_URL + "net/ornithemc/feather-gen" + generation + "/maven-metadata.xml", generation <= LATEST_STABLE_GENERATION);
+				: new PomParser(ORNITHE_MAVEN_URL + "net/ornithemc/feather-gen" + generation + "/maven-metadata.xml", generation <= config.stableIntermediaryGeneration);
 	}
 
 	public static final Map<String, PomParser> getOslModulePomParsers(List<MavenVersion> osl) {
@@ -139,10 +138,11 @@ public static final Map<String, PomParser> getOslModulePomParsers(List<MavenVers
 		return parsers;
 	}
 
-	public static VersionDatabase generate() throws IOException, XMLStreamException {
+	public static VersionDatabase generate() throws Exception {
 		long start = System.currentTimeMillis();
 		VersionDatabase database = new VersionDatabase();
-		for (int generation = 1; generation <= LATEST_GENERATION; generation++) {
+		config = ConfigV3.load();
+		for (int generation = 1; generation <= config.latestIntermediaryGeneration; generation++) {
 			database.intermediary.put(generation, intermediaryParser(generation).getMeta(MavenVersion::new, generation == 1 ? "net.ornithemc:calamus-intermediary:" : String.format("net.ornithemc:calamus-intermediary-gen%d:", generation)));
 			database.feather.put(generation, featherParser(generation).getMeta(MavenBuildGameVersion::new, generation == 1 ? "net.ornithemc:feather:" : String.format("net.ornithemc:feather-gen%d:", generation)));
 		}
@@ -196,7 +196,7 @@ private void loadMcData() throws IOException {
 
 		Int2ObjectMap<MinecraftLauncherMeta> launcherMetas = new Int2ObjectOpenHashMap<>();
 
-		for (int generation = 1; generation <= LATEST_GENERATION; generation++) {
+		for (int generation = 1; generation <= config.latestIntermediaryGeneration; generation++) {
 			final int gen = generation;
 			final MinecraftLauncherMeta launcherMeta = MinecraftLauncherMeta.getSortedMeta(gen);
 			launcherMetas.put(generation, launcherMeta);
@@ -247,7 +247,7 @@ private void loadMcData() throws IOException {
 
 		Function<String, Predicate<MavenBuildGameVersion>> p = src -> {
 			return o -> {
-				for (int generation = 1; generation <= LATEST_GENERATION; generation++) {
+				for (int generation = 1; generation <= config.latestIntermediaryGeneration; generation++) {
 					if (launcherMetas.get(generation).getVersions().stream().anyMatch(metaVersion -> metaVersion.getId().equals(o.getVersionNoSide()))) {
 						return false;
 					}
@@ -259,7 +259,7 @@ private void loadMcData() throws IOException {
 		Comparator<MavenBuildGameVersion> c = (v1, v2) -> {
 			int i1 = Integer.MAX_VALUE;
 			int i2 = Integer.MAX_VALUE;
-			for (int generation = 1; generation <= LATEST_GENERATION; generation++) {
+			for (int generation = 1; generation <= config.latestIntermediaryGeneration; generation++) {
 				MinecraftLauncherMeta launcherMeta = launcherMetas.get(generation);
 				i1 = Math.min(i1, launcherMeta.getIndex(v1.getVersionNoSide()));
 				i2 = Math.min(i2, launcherMeta.getIndex(v2.getVersionNoSide()));

src/main/java/net/ornithemc/meta/web/EndpointsV3.java

@@ -102,31 +102,31 @@ private static <T> void jsonGet(String path, Function<Context, T> function) {
 	}
 
 	private static <T> void jsonGetS(String path, Function<Integer, Supplier<T>> supplier) {
-		for (int generation = 1; generation <= VersionDatabase.LATEST_GENERATION; generation++) {
+		for (int generation = 1; generation <= VersionDatabase.config.latestIntermediaryGeneration; generation++) {
 			Handler handler = WebServer.jsonGet("/v3/versions/gen" + generation + path, supplier.apply(generation));
 
-			if (generation == VersionDatabase.LATEST_STABLE_GENERATION) {
+			if (generation == VersionDatabase.config.stableIntermediaryGeneration) {
 				WebServer.javalin.get("/v3/versions" + path, handler);
 			}
 		}
 	}
 
 	private static <T> void jsonGetF(String path, Function<Integer, Function<Context, T>> function) {
-		for (int generation = 1; generation <= VersionDatabase.LATEST_GENERATION; generation++) {
+		for (int generation = 1; generation <= VersionDatabase.config.latestIntermediaryGeneration; generation++) {
 			Handler handler = WebServer.jsonGet("/v3/versions/gen" + generation + path, function.apply(generation));
 
-			if (generation == VersionDatabase.LATEST_STABLE_GENERATION) {
+			if (generation == VersionDatabase.config.stableIntermediaryGeneration) {
 				WebServer.javalin.get("/v3/versions" + path, handler);
 			}
 		}
 	}
 
 	private static <T> void jsonGetH(String path, Function<Integer, Handler> function) {
-		for (int generation = 1; generation <= VersionDatabase.LATEST_GENERATION; generation++) {
+		for (int generation = 1; generation <= VersionDatabase.config.latestIntermediaryGeneration; generation++) {
 			Handler handler = function.apply(generation);
 			WebServer.javalin.get("/v3/versions/gen" + generation + path, handler);
 
-			if (generation == VersionDatabase.LATEST_STABLE_GENERATION) {
+			if (generation == VersionDatabase.config.stableIntermediaryGeneration) {
 				WebServer.javalin.get("/v3/versions" + path, handler);
 			}
 		}