How to query for data using java opennebula api

Good Day and thanks in advanced

I am currently working on an open nebula project. In the project, i am suppose to store files e.g a picture(.jpg) inside each of my virtual machines. Now i am suppose to search each of the virtual machines using open nebula’s api for java to search if the picture is in any of the virtual hard disk. To start with , i do not know even if this is possible as i have not found any resource online to help my course. i am using the “org.apache.xmlrpc” library. If you can point me to any tutorial or give me a feedback i would really appreciate it. Thank you