File emmaIndex = new File(basedir, "target/site/emma/index.html");
if(!emmaIndex.exists() || emmaIndex.length() == 0) {
	System.out.println("Missing 'index.html'");
	return false;
}

File emmaFiles = new File(basedir, "target/site/emma/_files");
if(!emmaFiles.exists() || emmaFiles.list().length == 0) {
	System.out.println("Missing or empty directory '_files'");
	return false;
}

return true;