ExtensionSchemas.java

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// Protocol Buffers - Google's data interchange format
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// https://developers.google.com/protocol-buffers/
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package com.google.protobuf;
 
final class ExtensionSchemas {
  private static final ExtensionSchema<?> LITE_SCHEMA = new ExtensionSchemaLite();
  private static final ExtensionSchema<?> FULL_SCHEMA = loadSchemaForFullRuntime();
 
  private static ExtensionSchema<?> loadSchemaForFullRuntime() {
    try {
      Class<?> clazz = Class.forName("com.google.protobuf.ExtensionSchemaFull");
      return (ExtensionSchema) clazz.getDeclaredConstructor().newInstance();
    } catch (Exception e) {
      return null;
    }
  }
 
  static ExtensionSchema<?> lite() {
    return LITE_SCHEMA;
  }
 
  static ExtensionSchema<?> full() {
    if (FULL_SCHEMA == null) {
      throw new IllegalStateException("Protobuf runtime is not correctly loaded.");
    }
    return FULL_SCHEMA;
  }
}