From 2b24f6c1ce9ecbf05c647473ea7fe3f94cfaf892 Mon Sep 17 00:00:00 2001
From: Matthias Andreas Benkard <code@mail.matthias.benkard.de>
Date: Thu, 7 Dec 2023 19:34:42 +0100
Subject: jgvariant-tool: Remove Guava dependency.

This reduces the uberjar size from 4 MB to 1.2 MB.

Change-Id: I06e202fe3c5e942511952f43b8f2c5941027cce9
---
 .../eu/mulk/jgvariant/tool/jsonb/VariantSerializer.java     | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'jgvariant-tool/src/main/java/eu')

diff --git a/jgvariant-tool/src/main/java/eu/mulk/jgvariant/tool/jsonb/VariantSerializer.java b/jgvariant-tool/src/main/java/eu/mulk/jgvariant/tool/jsonb/VariantSerializer.java
index 99ff553..311033c 100644
--- a/jgvariant-tool/src/main/java/eu/mulk/jgvariant/tool/jsonb/VariantSerializer.java
+++ b/jgvariant-tool/src/main/java/eu/mulk/jgvariant/tool/jsonb/VariantSerializer.java
@@ -4,13 +4,13 @@
 
 package eu.mulk.jgvariant.tool.jsonb;
 
-import com.google.common.primitives.Bytes;
 import eu.mulk.jgvariant.core.Signature;
 import eu.mulk.jgvariant.core.Variant;
 import jakarta.json.bind.serializer.JsonbSerializer;
 import jakarta.json.bind.serializer.SerializationContext;
 import jakarta.json.stream.JsonGenerator;
 import java.text.ParseException;
+import java.util.Collection;
 import java.util.List;
 
 @SuppressWarnings("java:S6548")
@@ -35,9 +35,18 @@ public final class VariantSerializer implements JsonbSerializer<Variant> {
   @SuppressWarnings("unchecked")
   public void serialize(Variant obj, JsonGenerator generator, SerializationContext ctx) {
     if (obj.signature().equals(byteArraySignature)) {
-      byteArraySerializer.serialize(Bytes.toArray((List<Byte>) obj.value()), generator, ctx);
+      byteArraySerializer.serialize(byteArrayOf((List<Byte>) obj.value()), generator, ctx);
     } else {
       ctx.serialize(obj.value(), generator);
     }
   }
+
+  private static byte[] byteArrayOf(Collection<Byte> bytes) {
+    byte[] result = new byte[bytes.size()];
+    int i = 0;
+    for (byte b : bytes) {
+      result[i++] = b;
+    }
+    return result;
+  }
 }
-- 
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