Bug 55056 [Workbench] would like to establish my workspace (and no longer be prompted)
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/ChooseWorkspaceData.java
public static final String PROTOCOL = "protocol"; 
		public static final String VERSION = "version"; 
		public static final String WORKSPACE = "workspace"; 
		public static final String RECENT_WORKSPACES = "recentWorkspaces"; 
		public static final String MAX_LENGTH = "maxLength"; 
		public static final String PATH = "path"; 
	}	
	/**
	 * Creates a new instance, loading persistent data if its found.
	 */
	public ChooseWorkspaceData(String initialDefault) {
		readPersistedData();
		this.initialDefault = initialDefault;
	}
	/**
	 * Return the folder to be used as a default if no other information
	 * exists. Does not return null.
	 */
	public String getInitialDefault() {
		if (initialDefault == null)
			initialDefault = System.getProperty("user.dir") 
					+ File.separator + "workspace"; 
		return initialDefault;
	}
	/**
	 * Return the currently selected workspace or null if nothing is selected.