@Override
public int run(Configuration conf, List<String> args) throws IOException {
if (!args.isEmpty()) {
System.err.println("Can't understand argument: " + args.get(0));
return 1;
}
final DistributedFileSystem dfs = getDFS(conf);
try {
final TableListing listing =
new TableListing.Builder()
.addField("")
.addField("", true)
.wrapWidth(MAX_LINE_WIDTH)
.hideHeaders()
.build();
final RemoteIterator<EncryptionZone> it = dfs.listEncryptionZones();
while (it.hasNext()) {
EncryptionZone ez = it.next();
listing.addRow(ez.getPath(), ez.getKeyName());
}
System.out.println(listing.toString());
} catch (IOException e) {
System.err.println(prettifyException(e));
return 2;
}
return 0;
}
@Override
public String getLongUsage() {
final TableListing listing = getOptionDescriptionListing();
listing.addRow(
"<path>",
"The path of the encryption zone to create. " + "It must be an empty directory.");
listing.addRow("<keyName>", "Name of the key to use for the " + "encryption zone.");
return getShortUsage() + "\n" + "Create a new encryption zone.\n\n" + listing.toString();
}
@Override
public String getLongUsage() {
final TableListing listing = getOptionDescriptionListing();
listing.addRow(
"<command-name>",
"The command for which to get "
+ "detailed help. If no command is specified, print detailed help for "
+ "all commands");
return getShortUsage() + "\n" + "Get detailed help about a command.\n\n" + listing.toString();
}