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Add System.out.println catcher (#6278)

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Underscore11 2021-08-02 00:07:48 -07:00
parent b3f290d877
commit fbc4b4ca6d
2 changed files with 112 additions and 0 deletions
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88
patches/server/Add-System.out.println-catcher.patch Normal file
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@ -0,0 +1,88 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: underscore11code <minecrafter11mrt@gmail.com>
Date: Fri, 23 Jul 2021 23:01:42 -0700
Subject: [PATCH] Add System.out.println catcher
diff --git a/src/main/java/io/papermc/paper/logging/SysoutCatcher.java b/src/main/java/io/papermc/paper/logging/SysoutCatcher.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/io/papermc/paper/logging/SysoutCatcher.java
@@ -0,0 +0,0 @@
+package io.papermc.paper.logging;
+
+import org.bukkit.Bukkit;
+import org.bukkit.plugin.java.JavaPlugin;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.io.OutputStream;
+import java.io.PrintStream;
+import java.util.logging.Level;
+
+public final class SysoutCatcher {
+ private static final boolean SUPPRESS_NAGS = Boolean.getBoolean("io.papermc.paper.suppress.sout.nags");
+
+ public SysoutCatcher() {
+ System.setOut(new WrappedOutStream(System.out, Level.INFO, "[STDOUT] "));
+ System.setErr(new WrappedOutStream(System.err, Level.SEVERE, "[STDERR] "));
+ }
+
+ private static final class WrappedOutStream extends PrintStream {
+ private static final StackWalker STACK_WALKER = StackWalker.getInstance(StackWalker.Option.RETAIN_CLASS_REFERENCE);
+ private final Level level;
+ private final String prefix;
+
+ public WrappedOutStream(@NotNull final OutputStream out, final Level level, final String prefix) {
+ super(out);
+ this.level = level;
+ this.prefix = prefix;
+ }
+
+ @Override
+ public void println(@Nullable final String line) {
+ final Class<?> clazz = STACK_WALKER.getCallerClass();
+ try {
+ final JavaPlugin plugin = JavaPlugin.getProvidingPlugin(clazz);
+
+ // Instead of just printing the message, send it to the plugin's logger
+ plugin.getLogger().log(this.level, this.prefix + line);
+
+ if (SysoutCatcher.SUPPRESS_NAGS) {
+ return;
+ }
+ Bukkit.getLogger().warning(
+ String.format("Nag author(s): '%s' of '%s' about their usage of System.out/err.print. "
+ + "Please use your plugin's logger instead (JavaPlugin#getLogger).",
+ plugin.getDescription().getAuthors(),
+ plugin.getName())
+ );
+ } catch (final IllegalArgumentException e) {
+ // If anything happens, the calling class doesn't exist, there is no JavaPlugin that "owns" the calling class, etc
+ // Just print out normally, with some added information
+ Bukkit.getLogger().log(this.level, String.format("[%s] %s %s", this.prefix, clazz.getName(), line));
+ }
+ }
+ }
+}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -0,0 +0,0 @@ import com.mojang.serialization.Lifecycle;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufOutputStream;
import io.netty.buffer.Unpooled;
+import io.papermc.paper.logging.SysoutCatcher;
import it.unimi.dsi.fastutil.objects.Object2ObjectLinkedOpenHashMap;
import java.awt.image.BufferedImage;
import java.io.File;
@@ -0,0 +0,0 @@ public final class CraftServer implements Server {
public int reloadCount;
private final io.papermc.paper.datapack.PaperDatapackManager datapackManager; // Paper
public static Exception excessiveVelEx; // Paper - Velocity warnings
+ private final SysoutCatcher sysoutCatcher = new SysoutCatcher(); // Paper
static {
ConfigurationSerialization.registerClass(CraftOfflinePlayer.class);

24
patches/server/Fix-test-not-bootstrapping.patch Normal file
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Mon, 2 Aug 2021 08:52:21 +0200
Subject: [PATCH] Fix test not bootstrapping
Signed-off-by: Mariell Hoversholm <proximyst@proximyst.com>
diff --git a/src/test/java/org/bukkit/enchantments/EnchantmentTargetTest.java b/src/test/java/org/bukkit/enchantments/EnchantmentTargetTest.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/test/java/org/bukkit/enchantments/EnchantmentTargetTest.java
+++ b/src/test/java/org/bukkit/enchantments/EnchantmentTargetTest.java
@@ -0,0 +0,0 @@ import net.minecraft.world.item.Item;
import net.minecraft.world.item.enchantment.EnchantmentCategory;
import org.bukkit.Material;
import org.bukkit.craftbukkit.util.CraftMagicNumbers;
+import org.bukkit.support.AbstractTestingBase;
import org.junit.Assert;
import org.junit.Test;
-public class EnchantmentTargetTest {
+public class EnchantmentTargetTest extends AbstractTestingBase { // Paper
@Test
public void test() {