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30 lines
1.6 KiB
Diff
30 lines
1.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Kyle Wood <demonwav@gmail.com>
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Date: Fri, 4 Dec 2020 15:53:19 -0800
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Subject: [PATCH] Enable multi-release plugin jars
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diff --git a/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java b/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java
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index 62f7a6817da079513f471e36cd79739d36a36d86..7760be3e34fa20825faf145d9fb5b2855c1a4602 100644
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--- a/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java
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+++ b/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java
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@@ -56,7 +56,18 @@ public final class PluginClassLoader extends URLClassLoader { // Spigot
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this.description = description;
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this.dataFolder = dataFolder;
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this.file = file;
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- this.jar = new JarFile(file);
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+ // Paper - enable multi-release jars for Java 9+
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+ JarFile jarFile;
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+ try {
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+ final java.lang.reflect.Method runtimeVersionMethod = JarFile.class.getMethod("runtimeVersion");
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+ final Object runtimeVersion = runtimeVersionMethod.invoke(null);
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+ @SuppressWarnings("JavaReflectionMemberAccess") final java.lang.reflect.Constructor<JarFile> constructor = JarFile.class.getConstructor(File.class, boolean.class, int.class, runtimeVersion.getClass());
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+ jarFile = constructor.newInstance(file, true, java.util.zip.ZipFile.OPEN_READ, runtimeVersion);
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+ } catch (Exception ignored) {
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+ jarFile = new JarFile(file);
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+ }
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+ this.jar = jarFile;
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+ // Paper end
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this.manifest = jar.getManifest();
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this.url = file.toURI().toURL();
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