diff --git a/tools/aconfig/src/main.rs b/tools/aconfig/src/main.rs
index f253735..f29186a 100644
--- a/tools/aconfig/src/main.rs
+++ b/tools/aconfig/src/main.rs
@@ -24,6 +24,7 @@
 
 mod aconfig;
 mod cache;
+mod codegen_java;
 mod commands;
 mod protos;
 
@@ -47,6 +48,11 @@
                 .arg(Arg::new("cache").long("cache").required(true)),
         )
         .subcommand(
+            Command::new("create-java-lib")
+                .arg(Arg::new("cache").long("cache").required(true))
+                .arg(Arg::new("out").long("out").required(true)),
+        )
+        .subcommand(
             Command::new("dump")
                 .arg(Arg::new("cache").long("cache").required(true))
                 .arg(
@@ -81,6 +87,17 @@
             let file = fs::File::create(path)?;
             cache.write_to_writer(file)?;
         }
+        Some(("create-java-lib", sub_matches)) => {
+            let path = sub_matches.get_one::<String>("cache").unwrap();
+            let file = fs::File::open(path)?;
+            let cache = Cache::read_from_reader(file)?;
+            let out = sub_matches.get_one::<String>("out").unwrap();
+            let generated_file = commands::generate_code(&cache).unwrap();
+            fs::write(
+                format!("{}/{}", out, generated_file.file_name),
+                generated_file.file_content,
+            )?;
+        }
         Some(("dump", sub_matches)) => {
             let path = sub_matches.get_one::<String>("cache").unwrap();
             let file = fs::File::open(path)?;