/*
    * Copyright (c) 2006 JMockit developers
    * This file is subject to the terms of the MIT license (see LICENSE.txt).
    */
   package mockit.internal.classGeneration;
   
   import edu.umd.cs.findbugs.annotations.NonNull;
   
   import java.lang.reflect.ParameterizedType;
  import java.lang.reflect.Type;
  
  import mockit.internal.reflection.GenericTypeReflection;
  import mockit.internal.util.Utilities;
  
  public final class MockedTypeInfo {
      @NonNull
      public final GenericTypeReflection genericTypeMap;
      @NonNull
      public final String implementationSignature;
  
      public MockedTypeInfo(@NonNull Type mockedType) {
          Class<?> mockedClass = Utilities.getClassType(mockedType);
          genericTypeMap = new GenericTypeReflection(mockedClass, mockedType);
  
          String signature = getGenericClassSignature(mockedType);
          String classDesc = mockedClass.getName().replace('.', '/');
          implementationSignature = 'L' + classDesc + signature;
      }
  
      @NonNull
      private static String getGenericClassSignature(@NonNull Type mockedType) {
          StringBuilder signature = new StringBuilder(100);
  
          if (mockedType instanceof ParameterizedType) {
              ParameterizedType parameterizedType = (ParameterizedType) mockedType;
              Type[] typeArguments = parameterizedType.getActualTypeArguments();
  
              if (typeArguments.length > 0) {
                  signature.append('<');
  
                  for (Type typeArg : typeArguments) {
                      if (typeArg instanceof Class<?>) {
                          Class<?> classArg = (Class<?>) typeArg;
                          signature.append('L').append(classArg.getName().replace('.', '/')).append(';');
                      } else {
                          signature.append('*');
                      }
                  }
  
                  signature.append('>');
              }
          }
  
          signature.append(';');
          return signature.toString();
      }
  }