/**
* Get filestatuses of all the children of a given directory. This just reads through index file
* and reads line by line to get all statuses for children of a directory. Its a brute force way
* of getting all such filestatuses
*
* @param parent the parent path directory
* @param statuses the list to add the children filestatuses to
*/
private void fileStatusesInIndex(HarStatus parent, List<FileStatus> statuses) throws IOException {
String parentString = parent.getName();
if (!parentString.endsWith(Path.SEPARATOR)) {
parentString += Path.SEPARATOR;
}
Path harPath = new Path(parentString);
int harlen = harPath.depth();
final Map<String, FileStatus> cache = new TreeMap<String, FileStatus>();
for (HarStatus hstatus : metadata.archive.values()) {
String child = hstatus.getName();
if ((child.startsWith(parentString))) {
Path thisPath = new Path(child);
if (thisPath.depth() == harlen + 1) {
statuses.add(toFileStatus(hstatus, cache));
}
}
}
}
/*
* find the parent path that is the
* archive path in the path. The last
* path segment that ends with .har is
* the path that will be returned.
*/
private Path archivePath(Path p) {
Path retPath = null;
Path tmp = p;
for (int i = 0; i < p.depth(); i++) {
if (tmp.toString().endsWith(".har")) {
retPath = tmp;
break;
}
tmp = tmp.getParent();
}
return retPath;
}
// the relative path of p. basically
// getting rid of /. Parsing and doing
// string manipulation is not good - so
// just use the path api to do it.
private Path makeRelative(String initial, Path p) {
String scheme = this.uri.getScheme();
String authority = this.uri.getAuthority();
Path root = new Path(Path.SEPARATOR);
if (root.compareTo(p) == 0) return new Path(scheme, authority, initial);
Path retPath = new Path(p.getName());
Path parent = p.getParent();
for (int i = 0; i < p.depth() - 1; i++) {
retPath = new Path(parent.getName(), retPath);
parent = parent.getParent();
}
return new Path(new Path(scheme, authority, initial), retPath.toString());
}