You can use the saveAllEditors command
IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
page.saveAllEditors(true);
Question
I want to invoke the save all command of my eclispe rcp from within my code. I spent like an hour without any ideas.. this cant be that hard?
Solution
You can use the saveAllEditors command
IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
page.saveAllEditors(true);