@Override public void promoteNameToValue(JsonReader reader) throws IOException {
  if (reader instanceof JsonTreeReader) {
    ((JsonTreeReader)reader).promoteNameToValue();
    return;
  }
  int p = reader.peeked;
  if (p == PEEKED_NONE) {
    p = reader.doPeek();
  }
  if (p == PEEKED_DOUBLE_QUOTED_NAME) {
    reader.peeked = PEEKED_DOUBLE_QUOTED;
  } else if (p == PEEKED_SINGLE_QUOTED_NAME) {
    reader.peeked = PEEKED_SINGLE_QUOTED;
  } else if (p == PEEKED_UNQUOTED_NAME) {
    reader.peeked = PEEKED_UNQUOTED;
  } else {
    throw new IllegalStateException(
        "Expected a name but was " + reader.peek() + reader.locationString());
  }
}
 

@Override public void promoteNameToValue(JsonReader reader) throws IOException {
  if (reader instanceof JsonTreeReader) {
    ((JsonTreeReader)reader).promoteNameToValue();
    return;
  }
  int p = reader.peeked;
  if (p == PEEKED_NONE) {
    p = reader.doPeek();
  }
  if (p == PEEKED_DOUBLE_QUOTED_NAME) {
    reader.peeked = PEEKED_DOUBLE_QUOTED;
  } else if (p == PEEKED_SINGLE_QUOTED_NAME) {
    reader.peeked = PEEKED_SINGLE_QUOTED;
  } else if (p == PEEKED_UNQUOTED_NAME) {
    reader.peeked = PEEKED_UNQUOTED;
  } else {
    throw new IllegalStateException("Expected a name but was " + reader.peek() + " "
        + " at line " + reader.getLineNumber() + " column " + reader.getColumnNumber()
        + " path " + reader.getPath());
  }
}
 

public void promoteNameToValue(JsonReader reader) throws IOException {
    if (reader instanceof JsonTreeReader) {
        ((JsonTreeReader) reader).promoteNameToValue();
        return;
    }
    reader.peek();
    if (reader.token != JsonToken.NAME) {
        throw new IllegalStateException("Expected a name but was " + reader.peek() + " " + " at line " + reader.getLineNumber() + " column " + reader.getColumnNumber());
    }
    reader.value = reader.name;
    reader.name = null;
    reader.token = JsonToken.STRING;
}
 

final T fromJsonTree(JsonElement jsonTree) {
    try {
        JsonReader jsonReader = new JsonTreeReader(jsonTree);
        jsonReader.setLenient(true);
        return read(jsonReader);
    } catch (Throwable e) {
        throw new JsonIOException(e);
    }
}
 

public void promoteNameToValue(JsonReader jsonreader)
{
    if (jsonreader instanceof JsonTreeReader)
    {
        ((JsonTreeReader)jsonreader).promoteNameToValue();
        return;
    }
    int i = JsonReader.a(jsonreader);
    if (i == 0)
    {
        i = JsonReader.b(jsonreader);
    }
    if (i == 13)
    {
        JsonReader.a(jsonreader, 9);
        return;
    }
    if (i == 12)
    {
        JsonReader.a(jsonreader, 8);
        return;
    }
    if (i == 14)
    {
        JsonReader.a(jsonreader, 10);
        return;
    } else
    {
        throw new IllegalStateException((new StringBuilder()).append("Expected a name but was ").append(jsonreader.peek()).append(" ").append(" at line ").append(JsonReader.c(jsonreader)).append(" column ").append(JsonReader.d(jsonreader)).toString());
    }
}
 

public Object fromJson(JsonElement jsonelement, Type type)
{
    if (jsonelement == null)
    {
        return null;
    } else
    {
        return fromJson(((JsonReader) (new JsonTreeReader(jsonelement))), type);
    }
}
 

public final Object fromJsonTree(JsonElement jsonelement)
{
    Object obj;
    try
    {
        obj = read(new JsonTreeReader(jsonelement));
    }
    catch (IOException ioexception)
    {
        throw new JsonIOException(ioexception);
    }
    return obj;
}
 

/**
 * Converts {@code jsonTree} to a Java object.
 *
 * @param jsonTree the Java object to convert. May be {@link JsonNull}.
 * @since 2.2
 */
public final T fromJsonTree(JsonElement jsonTree) {
  try {
    JsonReader jsonReader = new JsonTreeReader(jsonTree);
    return read(jsonReader);
  } catch (IOException e) {
    throw new JsonIOException(e);
  }
}
 

/**
 * Converts {@code jsonTree} to a Java object.
 *
 * @param jsonTree the Java object to convert. May be {@link JsonNull}.
 * @since 2.2
 */
public final T fromJsonTree(JsonElement jsonTree) {
  try {
    JsonReader jsonReader = new JsonTreeReader(jsonTree);
    return read(jsonReader);
  } catch (IOException e) {
    throw new JsonIOException(e);
  }
}
 

public <T> T fromJson(JsonElement json, Type typeOfT) throws JsonSyntaxException {
    if (json == null) {
        return null;
    }
    return fromJson(new JsonTreeReader(json), typeOfT);
}
 

@Override public JsonReader create(String data) {
  JsonElement element = Streams.parse(new JsonReader(new StringReader(data)));
  return new JsonTreeReader(element);
}
 

@Override
public JsonReader create() {
  return new JsonTreeReader(element);
}
 

/**
 * This method deserializes the Json read from the specified parse tree into an object of the
 * specified type. This method is useful if the specified object is a generic type. For
 * non-generic objects, use {@link #fromJson(JsonElement, Class)} instead.
 *
 * @param <T> the type of the desired object
 * @param json the root of the parse tree of {@link JsonElement}s from which the object is to
 * be deserialized
 * @param typeOfT The specific genericized type of src. You can obtain this type by using the
 * {@link com.google.gson.reflect.TypeToken} class. For example, to get the type for
 * {@code Collection<Foo>}, you should use:
 * <pre>
 * Type typeOfT = new TypeToken&lt;Collection&lt;Foo&gt;&gt;(){}.getType();
 * </pre>
 * @return an object of type T from the json. Returns {@code null} if {@code json} is {@code null}
 * or if {@code json} is empty.
 * @throws JsonSyntaxException if json is not a valid representation for an object of type typeOfT
 * @since 1.3
 */
@SuppressWarnings("unchecked")
public <T> T fromJson(JsonElement json, Type typeOfT) throws JsonSyntaxException {
  if (json == null) {
    return null;
  }
  return (T) fromJson(new JsonTreeReader(json), typeOfT);
}
 

/**
 * This method deserializes the Json read from the specified parse tree into an object of the
 * specified type. This method is useful if the specified object is a generic type. For
 * non-generic objects, use {@link #fromJson(JsonElement, Class)} instead.
 *
 * @param <T> the type of the desired object
 * @param json the root of the parse tree of {@link JsonElement}s from which the object is to
 * be deserialized
 * @param typeOfT The specific genericized type of src. You can obtain this type by using the
 * {@link TypeToken} class. For example, to get the type for
 * {@code Collection<Foo>}, you should use:
 * <pre>
 * Type typeOfT = new TypeToken&lt;Collection&lt;Foo&gt;&gt;(){}.getType();
 * </pre>
 * @return an object of type T from the json. Returns {@code null} if {@code json} is {@code null}.
 * @throws JsonSyntaxException if json is not a valid representation for an object of type typeOfT
 * @since 1.3
 */
@SuppressWarnings("unchecked")
public <T> T fromJson(JsonElement json, Type typeOfT) throws JsonSyntaxException {
  if (json == null) {
    return null;
  }
  return (T) fromJson(new JsonTreeReader(json), typeOfT);
}