public void run()

in wagon-providers/wagon-ssh-common-test/src/main/java/org/apache/maven/wagon/providers/ssh/ScpCommand.java [152:256]
101 lines of code
25 McCabe index (conditional complexity)

    public void run() {
        int exitValue = OK;
        String exitMessage = null;

        try {
            if (optT) {
                ack();
                for (; ; ) {
                    String line;
                    boolean isDir = false;
                    int c = readAck(true);
                    switch (c) {
                        case -1:
                            return;
                        case 'D':
                            isDir = true;
                        case 'C':
                            line = ((char) c) + readLine();
                            break;
                        case 'E':
                            readLine();
                            return;
                        default:
                            // a real ack that has been acted upon already
                            continue;
                    }

                    if (optR && isDir) {
                        writeDir(line, root.getFile(path));
                    } else {
                        writeFile(line, root.getFile(path));
                    }
                }
            } else if (optF) {
                String pattern = path;
                int idx = pattern.indexOf('*');
                if (idx >= 0) {
                    String basedir = "";
                    int lastSep = pattern.substring(0, idx).lastIndexOf('/');
                    if (lastSep >= 0) {
                        basedir = pattern.substring(0, lastSep);
                        pattern = pattern.substring(lastSep + 1);
                    }
                    String[] included = new DirectoryScanner(basedir, pattern).scan();
                    for (String path : included) {
                        SshFile file = root.getFile(basedir + "/" + path);
                        if (file.isFile()) {
                            readFile(file);
                        } else if (file.isDirectory()) {
                            if (!optR) {
                                out.write(WARNING);
                                out.write((path + " not a regular file\n").getBytes());
                            } else {
                                readDir(file);
                            }
                        } else {
                            out.write(WARNING);
                            out.write((path + " unknown file type\n").getBytes());
                        }
                    }
                } else {
                    String basedir = "";
                    int lastSep = pattern.lastIndexOf('/');
                    if (lastSep >= 0) {
                        basedir = pattern.substring(0, lastSep);
                        pattern = pattern.substring(lastSep + 1);
                    }
                    SshFile file = root.getFile(basedir + "/" + pattern);
                    if (!file.doesExist()) {
                        exitValue = WARNING;
                        throw new IOException(file + ": no such file or directory");
                    }
                    if (file.isFile()) {
                        readFile(file);
                    } else if (file.isDirectory()) {
                        if (!optR) {
                            throw new IOException(file + " not a regular file");
                        } else {
                            readDir(file);
                        }
                    } else {
                        throw new IOException(file + ": unknown file type");
                    }
                }
            } else {
                throw new IOException("Unsupported mode");
            }
        } catch (IOException e) {
            try {
                exitValue = (exitValue != OK ? exitValue : ERROR);
                exitMessage = e.getMessage();
                out.write(exitValue);
                out.write(exitMessage.getBytes());
                out.write('\n');
                out.flush();
            } catch (IOException e2) {
                // Ignore
            }
            LOG.info("Error in scp command", e);
        } finally {
            if (callback != null) {
                callback.onExit(exitValue, exitMessage);
            }
        }
    }