Line data    Source code

       1             : // Copyright (C) 2018 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.cache.serialize;
      16             : 
      17             : import static java.nio.charset.StandardCharsets.UTF_8;
      18             : import static java.util.Objects.requireNonNull;
      19             : 
      20             : import com.google.protobuf.TextFormat;
      21             : import java.util.Arrays;
      22             : 
      23         153 : public enum BooleanCacheSerializer implements CacheSerializer<Boolean> {
      24         153 :   INSTANCE;
      25             : 
      26         153 :   private static final byte[] TRUE = Boolean.toString(true).getBytes(UTF_8);
      27         153 :   private static final byte[] FALSE = Boolean.toString(false).getBytes(UTF_8);
      28             : 
      29             :   @Override
      30             :   public byte[] serialize(Boolean object) {
      31           1 :     byte[] bytes = requireNonNull(object) ? TRUE : FALSE;
      32           1 :     return Arrays.copyOf(bytes, bytes.length);
      33             :   }
      34             : 
      35             :   @Override
      36             :   public Boolean deserialize(byte[] in) {
      37           1 :     if (Arrays.equals(in, TRUE)) {
      38           1 :       return Boolean.TRUE;
      39           1 :     } else if (Arrays.equals(in, FALSE)) {
      40           1 :       return Boolean.FALSE;
      41             :     }
      42           1 :     throw new IllegalArgumentException("Invalid Boolean value: " + TextFormat.escapeBytes(in));
      43             :   }
      44             : }