PrintMessageFile.java 文件源码

private String getMessageJavaType(String packageName, DescriptorProto sourceMessageDesc,
    FieldDescriptorProto field) {
  String fieldType = CommonUtils.findNotIncludePackageType(field.getTypeName());
  Map<String, Pair<DescriptorProto, List<FieldDescriptorProto>>> nestedFieldType =
      transform(sourceMessageDesc);
  // isMap
  if (nestedFieldType.containsKey(fieldType)) {
    Pair<DescriptorProto, List<FieldDescriptorProto>> nestedFieldPair =
        nestedFieldType.get(fieldType);
    if (nestedFieldPair.getRight().size() == 2) {
      DescriptorProto mapSourceMessageDesc = nestedFieldPair.getLeft();
      List<FieldDescriptorProto> mapFieldList = nestedFieldPair.getRight();
      String nestedJavaType =
          "java.util.Map<" + findJavaType(packageName, mapSourceMessageDesc, mapFieldList.get(0))
              + "," + findJavaType(packageName, mapSourceMessageDesc, mapFieldList.get(1)) + ">";
      return nestedJavaType;
    } else {
      return null;
    }
  } else {
    return CommonUtils.findPojoTypeFromCache(field.getTypeName(), pojoTypeCache);
  }
}