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Allow using PluginLoader classpath API from Bukkit plugins (#10758)

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Allows using the PluginLoader API without any of the other changes imposed by switching to a paper-plugin.yml.

Used by setting paper-plugin-loader in plugin.yml to the class name of your PluginLoader.

Also allows skipping the libraries field by setting paper-skip-libraries to true (by default both libraries and jars provided by the PluginLoader are added to the classpath).
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Jason Penilla 2024-05-23 13:13:02 -07:00 • committed by GitHub
parent 2a90732677
commit 5e7b65a9a9
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3 changed files with 233 additions and 8 deletions
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patches/api/0479-Allow-Bukkit-plugin-to-use-Paper-PluginLoader-API.patch Normal file
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@ -0,0 +1,91 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Date: Tue, 21 May 2024 13:18:00 -0700
Subject: [PATCH] Allow Bukkit plugin to use Paper PluginLoader API
diff --git a/src/main/java/org/bukkit/plugin/PluginDescriptionFile.java b/src/main/java/org/bukkit/plugin/PluginDescriptionFile.java
index c0691a849831f99268fdcb7b0f471f80a1a2a70e..8f45caade7357bc55c6a90cfe0c3a2feb2d877ff 100644
--- a/src/main/java/org/bukkit/plugin/PluginDescriptionFile.java
+++ b/src/main/java/org/bukkit/plugin/PluginDescriptionFile.java
@@ -259,6 +259,13 @@ public final class PluginDescriptionFile implements io.papermc.paper.plugin.conf
private Set<PluginAwareness> awareness = ImmutableSet.of();
private String apiVersion = null;
private List<String> libraries = ImmutableList.of();
+ // Paper start - plugin loader api
+ private String paperPluginLoader;
+ @org.jetbrains.annotations.ApiStatus.Internal @org.jetbrains.annotations.Nullable
+ public String getPaperPluginLoader() {
+ return this.paperPluginLoader;
+ }
+ // Paper end - plugin loader api
// Paper start - oh my goddddd
/**
* Don't use this.
@@ -1232,6 +1239,23 @@ public final class PluginDescriptionFile implements io.papermc.paper.plugin.conf
} else {
libraries = ImmutableList.<String>of();
}
+ // Paper start - plugin loader api
+ if (map.containsKey("paper-plugin-loader")) {
+ this.paperPluginLoader = map.get("paper-plugin-loader").toString();
+ }
+
+ /*
+ Allow skipping the Bukkit/Spigot 'libraries' list. By default, both the 'libraries'
+ list and the 'paper-plugin-loader' will contribute libraries. It may be desired to only
+ use one or the other. (i.e. 'libraries' on Spigot and 'paper-plugin-loader' on Paper)
+ */
+ if (map.containsKey("paper-skip-libraries")) {
+ String skip = map.get("paper-skip-libraries").toString();
+ if (skip.equalsIgnoreCase("true")) {
+ this.libraries = ImmutableList.of();
+ }
+ }
+ // Paper end - plugin loader api
try {
lazyPermissions = (Map<?, ?>) map.get("permissions");
diff --git a/src/main/java/org/bukkit/plugin/java/LibraryLoader.java b/src/main/java/org/bukkit/plugin/java/LibraryLoader.java
index 8e1b6be2462aaa692efa1f72986921a6dc357196..c66252802c51174bc26f266cb5cdecdd856ff220 100644
--- a/src/main/java/org/bukkit/plugin/java/LibraryLoader.java
+++ b/src/main/java/org/bukkit/plugin/java/LibraryLoader.java
@@ -84,7 +84,13 @@ public class LibraryLoader
@Nullable
public ClassLoader createLoader(@NotNull PluginDescriptionFile desc)
{
- if ( desc.getLibraries().isEmpty() )
+ // Paper start - plugin loader api
+ return this.createLoader(desc, null);
+ }
+ @Nullable
+ public ClassLoader createLoader(@NotNull PluginDescriptionFile desc, java.util.@Nullable List<java.nio.file.Path> paperLibraryPaths) {
+ if ( desc.getLibraries().isEmpty() && paperLibraryPaths == null )
+ // Paper end - plugin loader api
{
return null;
}
@@ -103,17 +109,20 @@ public class LibraryLoader
}
DependencyResult result;
- try
+ if (!dependencies.isEmpty()) try // Paper - plugin loader api
{
result = repository.resolveDependencies( session, new DependencyRequest( new CollectRequest( (Dependency) null, dependencies, repositories ), null ) );
} catch ( DependencyResolutionException ex )
{
throw new RuntimeException( "Error resolving libraries", ex );
- }
+ } else result = null; // Paper - plugin loader api
List<URL> jarFiles = new ArrayList<>();
List<java.nio.file.Path> jarPaths = new ArrayList<>(); // Paper - remap libraries
- for ( ArtifactResult artifact : result.getArtifactResults() )
+ // Paper start - plugin loader api
+ if (paperLibraryPaths != null) jarPaths.addAll(paperLibraryPaths);
+ if (result != null) for ( ArtifactResult artifact : result.getArtifactResults() )
+ // Paper end - plugin loader api
{
// Paper start - remap libraries
jarPaths.add(artifact.getArtifact().getFile().toPath());