for(int i = 1; i < paths.size(); i++) {
String url = (String) paths.get(i);
topURL = SVNURLUtil.getCommonURLAncestor(topURL, SVNURL.parseURIEncoded(url));
}
if (paths.contains(topURL.toString())) {
topURL = topURL.removePathTail();
}
for(int i = 0; i < paths.size(); i++) {
String url = (String) paths.get(i);
SVNURL svnURL = SVNURL.parseURIEncoded(url);
url = SVNPathUtil.getPathAsChild(topURL.getPath(), svnURL.getPath());