package org.cyclopsgroup.jmxterm.io;
   
   import org.apache.commons.lang3.StringUtils;
   import org.apache.commons.lang3.Validate;
   import org.jline.reader.impl.LineReaderImpl;
   
   import java.io.IOException;
   
   /**
   * Implementation of input that reads command from jloin console input
   *
   * @author <a href="mailto:jiaqi.guo@gmail.com">Jiaqi Guo</a>
   */
  public class JlineCommandInput extends CommandInput {
    private final LineReaderImpl console;
  
    private final String prompt;
  
    /**
     * @param console Jline console reader
     * @param prompt Prompt string
     */
    public JlineCommandInput(LineReaderImpl console, String prompt) {
      Validate.notNull(console, "Jline console reader can't be NULL");
      this.console = console;
      this.prompt = StringUtils.trimToEmpty(prompt);
    }
  
    /**
     * @return Jline console
     */
    public final LineReaderImpl getConsole() {
      return console;
    }
  
    @Override
    public String readLine() throws IOException {
      return console.readLine(prompt);
    }
  
    @Override
    public String readMaskedString(String prompt) throws IOException {
      return console.readLine(prompt, '*');
    }
  }