/** Convert a HdfsFileStatus object to a Json string. */
public static String toJsonString(final HdfsFileStatus status, boolean includeType) {
if (status == null) {
return null;
}
final Map<String, Object> m = new TreeMap<String, Object>();
m.put("pathSuffix", status.getLocalName());
m.put("type", PathType.valueOf(status));
if (status.isSymlink()) {
m.put("symlink", status.getSymlink());
}
m.put("length", status.getLen());
m.put("owner", status.getOwner());
m.put("group", status.getGroup());
FsPermission perm = status.getPermission();
m.put("permission", toString(perm));
if (perm.getAclBit()) {
m.put("aclBit", true);
}
if (perm.getEncryptedBit()) {
m.put("encBit", true);
}
m.put("accessTime", status.getAccessTime());
m.put("modificationTime", status.getModificationTime());
m.put("blockSize", status.getBlockSize());
m.put("replication", status.getReplication());
m.put("fileId", status.getFileId());
m.put("childrenNum", status.getChildrenNum());
m.put("storagePolicy", status.getStoragePolicy());
return includeType ? toJsonString(FileStatus.class, m) : JSON.toString(m);
}
/**
* Write a node to output. Node information includes path, modification, permission, owner and
* group. For files, it also includes size, replication and block-size.
*/
static void writeInfo(String parent, HdfsFileStatus i, XMLOutputter doc) throws IOException {
final SimpleDateFormat ldf = df.get();
doc.startTag(i.isDir() ? "directory" : "file");
doc.attribute("path", i.getFullPath(new Path(parent)).toUri().getPath());
doc.attribute("modified", ldf.format(new Date(i.getModificationTime())));
doc.attribute("accesstime", ldf.format(new Date(i.getAccessTime())));
if (!i.isDir()) {
doc.attribute("size", String.valueOf(i.getLen()));
doc.attribute("replication", String.valueOf(i.getReplication()));
doc.attribute("blocksize", String.valueOf(i.getBlockSize()));
}
doc.attribute("permission", (i.isDir() ? "d" : "-") + i.getPermission());
doc.attribute("owner", i.getOwner());
doc.attribute("group", i.getGroup());
doc.endTag();
}
/** Convert a HdfsFileStatus object to a Json string. */
public static String toJsonString(final HdfsFileStatus status, boolean includeType) {
if (status == null) {
return null;
}
final Map<String, Object> m = new TreeMap<String, Object>();
m.put("localName", status.getLocalName());
m.put("isDir", status.isDir());
m.put("len", status.getLen());
m.put("owner", status.getOwner());
m.put("group", status.getGroup());
m.put("permission", toString(status.getPermission()));
m.put("accessTime", status.getAccessTime());
m.put("modificationTime", status.getModificationTime());
m.put("blockSize", status.getBlockSize());
m.put("replication", status.getReplication());
return includeType ? toJsonString(HdfsFileStatus.class, m) : JSON.toString(m);
}