I have an JSP-application on a tomcat.
I have a application to upload files.
Now i want to delete the files. I know the relative url "aktionen/100" but I don´t know the absolute path.
On Localhost it is "C://daten/client/" for example. But i want to get them dynamically because if I host it then it is an other path.
Relying on relative paths is a bad idea from the beginning on. Make the upload folder externally configureable by for example a VM argument or a properties file setting. E.g. when you start Tomcat, add this VM argument
-Dupload.location=/path/to/uploads
Then you can get it as follows:
File uploadFolder = new File(System.getProperty("upload.location"));
File uploadedFile = new File(uploadFolder, "aktionen/100");
// ...
