public File getSourceDir() {
		if (sourceDirText.getText().isEmpty()) {
			return null;
		}
		return new File(sourceDirText.getText());
	}
Gets the module source directory.

@return The module source directory. Could be null if unspecified, however, the page will not
  be valid until the module source directory is valid, so it should never be null when called
  by other classes.
GhidraBuild/EclipsePlugins/GhidraDev/GhidraDevPlugin/src/main/java/ghidradev/ghidraprojectcreator/wizards/pages/ChooseGhidraModuleSourceWizardPage.java