如何在命令后从控制台将数据写入文件？

如何确保在输入某个命令后将输入到控制台的数据写入文件？在我的例子中，我们在控制台中输入了一些数据，在输入“end”之后，之前输入的所有内容都应该写入一个文件。对我来说，只有命令本身会被记录下来，而我在控制台中输入的所有内容都不会被记录下来。这是我的代码：

public static void writeToFileFromConsole(String path){

        InputStreamReader reader = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(reader);

        FileWriter writer = null;
        BufferedWriter bufferedWriter = null;

        System.out.println("Enter file content to write in the file:");

        try {
            String line;
            do {
                line = br.readLine();
                writer = new FileWriter(path, true);
                bufferedWriter = new BufferedWriter(writer);

                bufferedWriter.append("\n");
                bufferedWriter.append(line);
            }
            while (!line.equals("wr"));
        }catch (IOException e){
            System.err.println("Can't write to file with path " + path);
        }
        finally {
            try {
                br.close();
                reader.close();
                if (bufferedWriter != null){
                    bufferedWriter.close();
                }
                if (writer != null){
                    writer.close();
                }
            }catch (IOException e){
                System.err.println("File with path " + path + " not found" );
            }
        }
    }