FilippoR

I was thinking to implement the client role to get all the information about project structure from build system

merge with https://github.com/eclipse-jdtls/eclipse.jdt.ls/issues/2984

For now is just a tentative to update. If I can make it work. I will think about the compatibility

for a generic solution look at Build Server Protocol? https://github.com/eclipse-jdtls/eclipse.jdt.ls/issues/2984 https://github.com/eclipse-jdtls/eclipse.jdt.ls/issues/1907

is this request replaced with https://www.jbang.dev/documentation/guide/latest/integration.html

> [LorenzISR](/LorenzISR) Can you be more explicit this pr use a different method than [openfortivpn-webview](https://github.com/gm-vm/openfortivpn-webview)

The advantage is that this solution could use the default browser that keep the session and if it is valid doesn't need to reautenticate. And i think it is easy...

If needed I can split this PR 1 for adding the authentication method with ID and another to listen for id on port. But I think the changes are not...

> Presumably I could build openfortivpn from this filippor:saml-external-take2 branch ? Is that easy ? It is not complicated to compile the instruction is in the [readme ](https://github.com/adrienverge/openfortivpn/blob/master/README.md) on this...

The implementation as external program already exist at this repo https://github.com/filippor/XdgOpenSaml. The idea of this pr is to integrate all the process in this software.