quiz.java

quiz.java

/**
 * Please review the class below and suggest improvements. How would
 * you refactor this class if it would be in a real-life project?
 * There are many problems here, both high-level design mistakes,
 * and low-level implementation bugs. We're interested to see high-level
 * problems first, since they are most critical. The more mistakes
 * you can spot, the better programmer you are.
 */
 
/**
 * This class is thread safe.
 */
public class Parser {
  private File file;
  public synchronized void setFile(File f) {
    file = f;
  }
  public synchronized File getFile() {
    return file;
  }
  public String getContent() throws IOException {
    InputStream i = new FileInputStream(file);
    String output = "";
    int data;
    while ((data = i.read()) > 0) {
      output += (char) data;
    }
    return output;
  }
  public String getContentWithoutUnicode() throws IOException {
    InputStream i = new FileInputStream(file);
    String output = "";
    int data;
    while ((data = i.read()) > 0) {
      if (data < 0x80) {
        output += (char) data;
      }
    }
    return output;
  }
  public void saveContent(String content) throws IOException {
    OutputStream o = new FileOutputStream(file);
    for (int i = 0; i < content.length(); i += 1) {
      o.write(content.charAt(i));
    }
  }
}