src/main/java/com/google/devtools/build/lib/skyframe/serialization/strings/StringCodecs.java


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// 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.strings;

import com.google.devtools.build.lib.skyframe.serialization.ObjectCodec;

/** Utility for accessing (potentially platform-specific) {@link String} {@link ObjectCodec}s. */
public final class StringCodecs {

  private static final FastStringCodec fastStringCodec = new FastStringCodec();
  private static final StringCodec stringCodec = new StringCodec();

  private StringCodecs() {}

  /**
   * Returns singleton instance optimized for almost-always ASCII data. This instance can still
   * serialize/deserialize UTF-8 data, but with potentially worse performance than
   * {@link #simple()}.
   */
  public static ObjectCodec<String> asciiOptimized() {
    return fastStringCodec;
  }

  /**
   * Returns singleton instance of basic implementation. Should be preferred over
   * {@link #asciiOptimized()} when a sufficient amount of UTF-8 data is expected.
   */
  public static ObjectCodec<String> simple() {
    return stringCodec;
  }
}