From 9f0af71c92bbb99fff125da559347a7b7b26f5d4 Mon Sep 17 00:00:00 2001
From: Slawomir Jaranowski <s.jaranowski@gmail.com>
Date: Fri, 10 Oct 2025 23:37:29 +0200
Subject: [PATCH] Use internal Nullable annotation, allow drop sisu-inject from
 runtime dependencies

org.eclipse.sisu.inject is not exported by Maven Core ...
so plugins must add it to own dependency only for this one annotation

Own implementation avoid such situation
---
 pom.xml                                        |  3 ++-
 .../internal/DefaultVelocityComponent.java     |  1 -
 .../plexus/velocity/internal/Nullable.java     | 18 ++++++++++++++++++
 3 files changed, 20 insertions(+), 2 deletions(-)
 create mode 100644 src/main/java/org/codehaus/plexus/velocity/internal/Nullable.java

diff --git a/pom.xml b/pom.xml
index 9e11405..f85d5a8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -73,11 +73,12 @@ limitations under the License.
       <version>1</version>
       <scope>provided</scope>
     </dependency>
+
     <dependency>
       <groupId>org.eclipse.sisu</groupId>
       <artifactId>org.eclipse.sisu.inject</artifactId>
       <version>0.9.0.M4</version>
-      <scope>provided</scope>
+      <scope>test</scope>
     </dependency>
 
     <dependency>
diff --git a/src/main/java/org/codehaus/plexus/velocity/internal/DefaultVelocityComponent.java b/src/main/java/org/codehaus/plexus/velocity/internal/DefaultVelocityComponent.java
index 4e30c28..b8984ca 100644
--- a/src/main/java/org/codehaus/plexus/velocity/internal/DefaultVelocityComponent.java
+++ b/src/main/java/org/codehaus/plexus/velocity/internal/DefaultVelocityComponent.java
@@ -25,7 +25,6 @@
 import org.apache.velocity.app.VelocityEngine;
 import org.codehaus.plexus.velocity.VelocityComponent;
 import org.codehaus.plexus.velocity.VelocityComponentConfigurator;
-import org.eclipse.sisu.Nullable;
 
 /**
  * Default component implementation. The presence of {@link VelocityComponentConfigurator} is optional.
diff --git a/src/main/java/org/codehaus/plexus/velocity/internal/Nullable.java b/src/main/java/org/codehaus/plexus/velocity/internal/Nullable.java
new file mode 100644
index 0000000..34e9065
--- /dev/null
+++ b/src/main/java/org/codehaus/plexus/velocity/internal/Nullable.java
@@ -0,0 +1,18 @@
+package org.codehaus.plexus.velocity.internal;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Internal <code>Nullable</code> annotation to mark parameters that can be null.
+ * <p>
+ * Guice allow any Nullable annotation, so this one can be used instead of adding a dependency to sisu-inject.
+ * <a href="https://github.com/google/guice/wiki/UseNullable">UseNullable</a>
+ */
+@Target({ElementType.PARAMETER})
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+@interface Nullable {}