// Copyright (C) 2017 The Android Open Source Project
//
// 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.googlesource.gerrit.plugins.lfs.locks;

import com.google.common.base.Function;
import com.google.common.hash.HashCode;
import com.google.common.hash.Hashing;
import com.google.common.io.BaseEncoding;
import java.nio.charset.StandardCharsets;

public class PathToLockId implements Function<String, String> {
  @Override
  public String apply(String path) {
    HashCode hash = Hashing.sha256().hashString(path, StandardCharsets.UTF_8);
    return BaseEncoding.base16().lowerCase().encode(hash.asBytes());
  }
}