JavacOptionsAmender.java

/*
 * Copyright 2015-present Facebook, Inc.
 *
 * 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.facebook.buck.jvm.java;

import com.facebook.buck.rules.BuildContext;
import com.facebook.buck.rules.RuleKeyAppendable;
import com.facebook.buck.rules.RuleKeyObjectSink;

public interface JavacOptionsAmender extends RuleKeyAppendable {
  JavacOptions amend(JavacOptions original, BuildContext context);

  JavacOptionsAmender IDENTITY =
      new JavacOptionsAmender() {
        @Override
        public void appendToRuleKey(RuleKeyObjectSink sink) {
          // Do nothing.
        }

        @Override
        public JavacOptions amend(JavacOptions original, BuildContext context) {
          return original;
        }
      };
}