Be defensive if there is no main/classes

This commit is contained in:
Dave Syer 2014-02-27 10:55:23 +00:00
parent 2845b101a1
commit 6b5828a820

View File

@ -95,8 +95,11 @@ public abstract class MainClassFinder {
*/
public static <T> T doWithMainClasses(File rootFolder, ClassNameCallback<T> callback)
throws IOException {
if (!rootFolder.exists()) {
return null; // nothing to do
}
if (!rootFolder.isDirectory()) {
throw new IllegalArgumentException("Inavlid root folder '" + rootFolder + "'");
throw new IllegalArgumentException("Invalid root folder '" + rootFolder + "'");
}
String prefix = rootFolder.getAbsolutePath() + "/";
Deque<File> stack = new ArrayDeque<File>();