protected boolean _retrieveFile()

in src/main/java/org/apache/commons/net/ftp/FTPClient.java [902:932]

• 29 lines of code
• 5 McCabe index (conditional complexity)

    protected boolean _retrieveFile(final String command, final String remote, final OutputStream local) throws IOException {
        final Socket socket = _openDataConnection_(command, remote);
        if (socket == null) {
            return false;
        }
        InputStream input = null;
        CSL csl = null;
        try {
            try {
                if (fileType == ASCII_FILE_TYPE) {
                    input = new FromNetASCIIInputStream(getBufferedInputStream(socket.getInputStream()));
                } else {
                    input = getBufferedInputStream(socket.getInputStream());
                }
                if (DurationUtils.isPositive(controlKeepAliveTimeout)) {
                    csl = new CSL(this, controlKeepAliveTimeout, controlKeepAliveReplyTimeout);
                }
                // Treat everything else as binary for now
                Util.copyStream(input, local, getBufferSize(), CopyStreamEvent.UNKNOWN_STREAM_SIZE, mergeListeners(csl), false);
            } finally {
                IOUtils.closeQuietly(input);
            }
            // Get the transfer response
            return completePendingCommand();
        } finally {
            IOUtils.closeQuietly(socket);
            if (csl != null) {
                cslDebug = csl.cleanUp(); // fetch any outstanding keepalive replies
            }
        }
    }