1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2008 Google Inc. All rights reserved. 3 // 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file or at 6 // https://developers.google.com/open-source/licenses/bsd 7 8 package com.google.protobuf; 9 10 @CheckReturnValue 11 final class MapFieldSchemas { 12 private static final MapFieldSchema FULL_SCHEMA = loadSchemaForFullRuntime(); 13 private static final MapFieldSchema LITE_SCHEMA = new MapFieldSchemaLite(); 14 full()15 static MapFieldSchema full() { 16 return FULL_SCHEMA; 17 } 18 lite()19 static MapFieldSchema lite() { 20 return LITE_SCHEMA; 21 } 22 loadSchemaForFullRuntime()23 private static MapFieldSchema loadSchemaForFullRuntime() { 24 if (Protobuf.assumeLiteRuntime) { 25 return null; 26 } 27 try { 28 Class<?> clazz = Class.forName("com.google.protobuf.MapFieldSchemaFull"); 29 return (MapFieldSchema) clazz.getDeclaredConstructor().newInstance(); 30 } catch (Exception e) { 31 return null; 32 } 33 } 34 MapFieldSchemas()35 private MapFieldSchemas() {} 36 } 37