public JsonToken nextToken()

in google-http-client-gson/src/main/java/com/google/api/client/json/gson/GsonParser.java [134:211]
76 lines of code
16 McCabe index (conditional complexity)

  public JsonToken nextToken() throws IOException {
    if (currentToken != null) {
      switch (currentToken) {
        case START_ARRAY:
          reader.beginArray();
          currentNameStack.add(null);
          break;
        case START_OBJECT:
          reader.beginObject();
          currentNameStack.add(null);
          break;
        default:
          break;
      }
    }
    // work around bug in GSON parser that it throws an EOFException for an empty document
    // see http://code.google.com/p/google-gson/issues/detail?id=330
    com.google.gson.stream.JsonToken peek;
    try {
      peek = reader.peek();
    } catch (EOFException e) {
      peek = com.google.gson.stream.JsonToken.END_DOCUMENT;
    }
    switch (peek) {
      case BEGIN_ARRAY:
        currentText = "[";
        currentToken = JsonToken.START_ARRAY;
        break;
      case END_ARRAY:
        currentText = "]";
        currentToken = JsonToken.END_ARRAY;
        currentNameStack.remove(currentNameStack.size() - 1);
        reader.endArray();
        break;
      case BEGIN_OBJECT:
        currentText = "{";
        currentToken = JsonToken.START_OBJECT;
        break;
      case END_OBJECT:
        currentText = "}";
        currentToken = JsonToken.END_OBJECT;
        currentNameStack.remove(currentNameStack.size() - 1);
        reader.endObject();
        break;
      case BOOLEAN:
        if (reader.nextBoolean()) {
          currentText = "true";
          currentToken = JsonToken.VALUE_TRUE;
        } else {
          currentText = "false";
          currentToken = JsonToken.VALUE_FALSE;
        }
        break;
      case NULL:
        currentText = "null";
        currentToken = JsonToken.VALUE_NULL;
        reader.nextNull();
        break;
      case STRING:
        currentText = reader.nextString();
        currentToken = JsonToken.VALUE_STRING;
        break;
      case NUMBER:
        currentText = reader.nextString();
        currentToken = currentText.indexOf('.') == -1
            ? JsonToken.VALUE_NUMBER_INT : JsonToken.VALUE_NUMBER_FLOAT;
        break;
      case NAME:
        currentText = reader.nextName();
        currentToken = JsonToken.FIELD_NAME;
        currentNameStack.set(currentNameStack.size() - 1, currentText);
        break;
      default:
        currentText = null;
        currentToken = null;
    }
    return currentToken;
  }