1 files changed, 42 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/serialization/autocodec/AutoCodecUtil.java b/src/main/java/com/google/devtools/build/lib/skyframe/serialization/autocodec/AutoCodecUtil.java
new file mode 100644
index 0000000000..a4b39c8ee1
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/serialization/autocodec/AutoCodecUtil.java
@@ -0,0 +1,42 @@
+// Copyright 2017 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.devtools.build.lib.skyframe.serialization.autocodec;
+
+import com.google.common.collect.ImmutableList;
+import java.util.stream.Collectors;
+import javax.lang.model.element.Element;
+import javax.lang.model.element.TypeElement;
+
+/** Static utilities for AutoCodec processors. */
+class AutoCodecUtil {
+  // Synthesized classes will have `_AutoCodec` suffix added.
+  public static final String GENERATED_CLASS_NAME_SUFFIX = "AutoCodec";
+  static final Class<AutoCodec> ANNOTATION = AutoCodec.class;
+
+  /**
+   * Name of the generated codec class.
+   *
+   * <p>For {@code Foo.Bar} this is {@code Foo_Bar_AutoCodec}.
+   */
+  static String getCodecName(Element element) {
+    ImmutableList.Builder<String> classNamesBuilder = new ImmutableList.Builder<>();
+    classNamesBuilder.add(GENERATED_CLASS_NAME_SUFFIX);
+    do {
+      classNamesBuilder.add(element.getSimpleName().toString());
+      element = element.getEnclosingElement();
+    } while (element instanceof TypeElement);
+    return classNamesBuilder.build().reverse().stream().collect(Collectors.joining("_"));
+  }
+}