Executing Eclipse SaveAll command from beanshell

I have a beanshell script that is run inside Eclipse via Practically Macro. I need the script to run the File -> SaveAll command, but I'm having problems getting a reference to the ICommandService that Eclipse provides. 

The service locator generally uses PlatformUI which doesn't seem accessible inside beanscript. I've also tried getSite() per the Eclipse Services help (http://tinyurl.com/c9o8a9g). It's unclear to me if I will be able to access these inside a beanscript.

I end up getting the error "Typed variable declaration : Command not found: getSite()" or "Attempt to resolve method: getWorkbench() on undefined variable or class name: PlatformUI"

Any pointers?

TIA,
J.D.

import org.eclipse.swt.custom.StyledText;
import org.eclipse.jface.text.IFindReplaceTarget;

import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.ui.commands.ICommandService;

		try
		{
			// Save all editors first
			ICommandService service = (ICommandService) getSite().getService(ICommandService.class);
			console.writeln("service is " + service.toString());
					
			<snip>
			
		} 
		catch (CoreException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
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