public ScpCommand()

in sshd-scp/src/main/java/org/apache/sshd/scp/server/ScpCommand.java [77:154]
69 lines of code
21 McCabe index (conditional complexity)

    public ScpCommand(ChannelSession channelSession, String command,
                      CloseableExecutorService executorService,
                      int sendSize, int receiveSize,
                      ScpFileOpener fileOpener, ScpTransferEventListener eventListener) {
        super(command, executorService);

        this.channelSession = Objects.requireNonNull(channelSession, "No channel session provided");

        if (sendSize < ScpHelper.MIN_SEND_BUFFER_SIZE) {
            throw new IllegalArgumentException("<ScpCommmand>(" + command + ") send buffer size "
                                               + "(" + sendSize + ") below minimum required "
                                               + "(" + ScpHelper.MIN_SEND_BUFFER_SIZE + ")");
        }
        sendBufferSize = sendSize;

        if (receiveSize < ScpHelper.MIN_RECEIVE_BUFFER_SIZE) {
            throw new IllegalArgumentException("<ScpCommmand>(" + command + ") receive buffer size "
                                               + "(" + sendSize + ") below minimum required "
                                               + "(" + ScpHelper.MIN_RECEIVE_BUFFER_SIZE + ")");
        }
        receiveBufferSize = receiveSize;

        opener = (fileOpener == null) ? DefaultScpFileOpener.INSTANCE : fileOpener;
        listener = (eventListener == null) ? ScpTransferEventListener.EMPTY : eventListener;

        boolean debugEnabled = log.isDebugEnabled();
        if (debugEnabled) {
            log.debug("Executing command {}", command);
        }

        String[] args = GenericUtils.split(command, ' ');
        int numArgs = GenericUtils.length(args);
        for (int i = 1; i < numArgs; i++) {
            String argVal = args[i];
            if (argVal.charAt(0) == '-') {
                for (int j = 1; j < argVal.length(); j++) {
                    char option = argVal.charAt(j);
                    switch (option) {
                        case 'f':
                            optF = true;
                            break;
                        case 'p':
                            optP = true;
                            break;
                        case 'r':
                            optR = true;
                            break;
                        case 't':
                            optT = true;
                            break;
                        case 'd':
                            optD = true;
                            break;
                        default: // ignored
                            if (debugEnabled) {
                                log.debug("Unknown flag ('{}') in command={}", option, command);
                            }
                    }
                }
            } else {
                String prevArg = args[i - 1];
                path = command.substring(command.indexOf(prevArg) + prevArg.length() + 1);

                int pathLen = path.length();
                char startDelim = path.charAt(0);
                char endDelim = (pathLen > 2) ? path.charAt(pathLen - 1) : '\0';
                // remove quotes
                if ((pathLen > 2) && (startDelim == endDelim) && ((startDelim == '\'') || (startDelim == '"'))) {
                    path = path.substring(1, pathLen - 1);
                }
                break;
            }
        }

        if ((!optF) && (!optT)) {
            error = new IOException("Either -f or -t option should be set for " + command);
        }
    }