From b54ced3cc7245f97d3e99b62b8937a2fc206a198 Mon Sep 17 00:00:00 2001
From: Wagyourtail <wagyourtail@wagyourtail.xyz>
Date: Sun, 12 May 2024 04:29:12 -0500
Subject: [PATCH] quiet flag

---
 src/main/java/xyz/wagyourtail/jvmdg/ClassDowngrader.java        | 2 ++
 .../java/xyz/wagyourtail/jvmdg/version/VersionProvider.java     | 2 +-
 .../java/xyz/wagyourtail/jvmdg/internal/JvmDowngraderTest.java  | 2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/main/java/xyz/wagyourtail/jvmdg/ClassDowngrader.java b/src/main/java/xyz/wagyourtail/jvmdg/ClassDowngrader.java
index 65b262d2..6aaa5388 100644
--- a/src/main/java/xyz/wagyourtail/jvmdg/ClassDowngrader.java
+++ b/src/main/java/xyz/wagyourtail/jvmdg/ClassDowngrader.java
@@ -32,6 +32,8 @@
 import java.util.concurrent.atomic.AtomicReference;
 
 public class ClassDowngrader {
+    public static final boolean QUIET = Boolean.getBoolean("jvmdg.quiet");
+
     public static final ClassDowngrader currentVersionDowngrader = new ClassDowngrader(Utils.getCurrentClassVersion());
 
     // because parent is null, this is (essentially) a wrapper around the bootstrap classloader
diff --git a/src/main/java/xyz/wagyourtail/jvmdg/version/VersionProvider.java b/src/main/java/xyz/wagyourtail/jvmdg/version/VersionProvider.java
index f05d7ccd..4bfcbfd9 100644
--- a/src/main/java/xyz/wagyourtail/jvmdg/version/VersionProvider.java
+++ b/src/main/java/xyz/wagyourtail/jvmdg/version/VersionProvider.java
@@ -204,7 +204,7 @@ public List<ClassMapping> init() {
                 try {
                     List<Type> types = superTypeResolver.apply(type);
                     if (types == null) {
-                        System.err.println(VersionProvider.this.getClass().getName() + " Could not find class " + type.getInternalName());
+                        if (!ClassDowngrader.QUIET) System.err.println(VersionProvider.this.getClass().getName() + " Could not find class " + type.getInternalName());
                         types = Collections.emptyList();
                     }
                     List<ClassMapping> superTypes = new ArrayList<>();
diff --git a/src/test/java/xyz/wagyourtail/jvmdg/internal/JvmDowngraderTest.java b/src/test/java/xyz/wagyourtail/jvmdg/internal/JvmDowngraderTest.java
index 6d926e02..56bfc2ad 100644
--- a/src/test/java/xyz/wagyourtail/jvmdg/internal/JvmDowngraderTest.java
+++ b/src/test/java/xyz/wagyourtail/jvmdg/internal/JvmDowngraderTest.java
@@ -184,7 +184,7 @@ private void testDowngrade(String mainClass, boolean eq) throws Exception {
             Path.of("."),
             Map.of(),
             true,
-            List.of(/*"-Djvmdg.debug=true", */"-Djvmdg.java-api=" + javaApi, "-Djvmdg.log=false"),
+            List.of(/*"-Djvmdg.debug=true", */"-Djvmdg.java-api=" + javaApi, "-Djvmdg.log=false", "-Djvmdg.quiet=true"),
             target.toOpcode(),
             (String it) -> {
                 runtimeDowngradeLog.append(it).append("\n");