import java.util.function.Function

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

configure(rootProject) {
  ext {
    /**
     * Utility function to read a file, apply changes to its content and write it back.
     */
    modifyFile = { File path, Function<String, String> modify ->
      Function<String, String> normalizeEols = { text -> text.replace("\r\n", "\n") }

      String original = path.getText("UTF-8")
      String modified = normalizeEols.apply(original)
      modified = modify.apply(modified)
      modified = normalizeEols.apply(modified)
      if (!original.equals(modified)) {
        path.write(modified, "UTF-8")
      }
    }
  }
}
