private void getMetaDataPathDetail(
TMetaDataPathDetail metaDataPathDetail, long offset, long count, boolean longFormat)
throws SRMException, URISyntaxException {
List<FileMetaData> directoryList;
//
// simplify things for the most common case when people perform
// ls on directory w/o specifying recursionDepth
//
URI surl = new URI(null, null, metaDataPathDetail.getPath(), null);
directoryList =
getStorage().listDirectory(getUser(), surl, longFormat, (int) offset, (int) count);
getContainerRequest().setCounter(offset);
List<TMetaDataPathDetail> metadataPathDetailList = new LinkedList<>();
for (FileMetaData md : directoryList) {
URI subpath = new URI(null, null, md.SURL, null);
TMetaDataPathDetail dirMetaDataPathDetail =
convertFileMetaDataToTMetaDataPathDetail(subpath, md, longFormat);
if (!getContainerRequest().shouldSkipThisRecord()) {
metadataPathDetailList.add(dirMetaDataPathDetail);
try {
if (!getContainerRequest().increaseResultsNumAndContinue()) {
break;
}
} catch (SRMTooManyResultsException e) {
metaDataPathDetail.setStatus(new TReturnStatus(TStatusCode.SRM_FAILURE, e.getMessage()));
break;
}
}
//
// increment global entries counter
//
getContainerRequest().incrementGlobalEntryCounter();
}
metaDataPathDetail.setArrayOfSubPaths(
new ArrayOfTMetaDataPathDetail(
metadataPathDetailList.toArray(
new TMetaDataPathDetail[metadataPathDetailList.size()])));
}
private void getRecursiveMetaDataPathDetail(
TMetaDataPathDetail metaDataPathDetail,
FileMetaData fmd,
int depth,
long offset,
long count,
int recursionDepth,
boolean longFormat)
throws SRMException, URISyntaxException {
if (!fmd.isDirectory || depth >= recursionDepth) {
return;
}
List<FileMetaData> directoryList;
URI surl = new URI(null, null, metaDataPathDetail.getPath(), null);
//
// cannot use offset or count in this case since
// we are trying to flatten tree structure.
// rely on our own counting
if (offset == 0) {
//
// if offset=0, trivial case, just grab information w/ verbosity level
// provided by the user
//
directoryList = getStorage().listDirectory(getUser(), surl, longFormat, 0, (int) count);
} else {
//
// if offset!=0, we loop over direntries in non-verbose mode until
// we hit offset, then start getting information with verbosity
// level specified by the user by calling getStorage().getFileMetaData on
// each entry
//
directoryList = getStorage().listDirectory(getUser(), surl, false, 0, Integer.MAX_VALUE);
}
//
// sort list such that directories are at the end of the list after
// sorting. The intent is to leave the recursion calls at the
// end of the tree, so we have less chance to even get there
//
Collections.sort(directoryList, DIRECTORY_LAST_ORDER);
List<TMetaDataPathDetail> metadataPathDetailList = new LinkedList<>();
for (FileMetaData md : directoryList) {
URI subpath = new URI(null, null, md.SURL, null);
TMetaDataPathDetail dirMetaDataPathDetail;
if (offset == 0) {
dirMetaDataPathDetail = convertFileMetaDataToTMetaDataPathDetail(subpath, md, longFormat);
} else {
FileMetaData fileMetaData = md;
if (!getContainerRequest().shouldSkipThisRecord()) {
if (longFormat) {
fileMetaData = getStorage().getFileMetaData(getUser(), subpath, false);
}
dirMetaDataPathDetail =
convertFileMetaDataToTMetaDataPathDetail(subpath, fileMetaData, longFormat);
} else {
//
// skip this record - meaning count it, and request only minimal details, do not store it
//
dirMetaDataPathDetail =
convertFileMetaDataToTMetaDataPathDetail(subpath, fileMetaData, false);
}
}
if (!getContainerRequest().shouldSkipThisRecord()) {
metadataPathDetailList.add(dirMetaDataPathDetail);
try {
if (!getContainerRequest().increaseResultsNumAndContinue()) {
break;
}
} catch (SRMTooManyResultsException e) {
metaDataPathDetail.setStatus(new TReturnStatus(TStatusCode.SRM_FAILURE, e.getMessage()));
break;
}
}
//
// increment global entries counter
//
getContainerRequest().incrementGlobalEntryCounter();
if (md.isDirectory) {
try {
getRecursiveMetaDataPathDetail(
dirMetaDataPathDetail, md, depth + 1, offset, count, recursionDepth, longFormat);
} catch (SRMException e) {
String msg = e.getMessage();
if (e instanceof SRMAuthorizationException) {
dirMetaDataPathDetail.setStatus(
new TReturnStatus(TStatusCode.SRM_AUTHORIZATION_FAILURE, msg));
} else if (e instanceof SRMInvalidPathException) {
dirMetaDataPathDetail.setStatus(new TReturnStatus(TStatusCode.SRM_INVALID_PATH, msg));
} else {
dirMetaDataPathDetail.setStatus(new TReturnStatus(TStatusCode.SRM_FAILURE, msg));
}
}
}
}
metaDataPathDetail.setArrayOfSubPaths(
new ArrayOfTMetaDataPathDetail(
metadataPathDetailList.toArray(
new TMetaDataPathDetail[metadataPathDetailList.size()])));
}