Android Open Source - SimpleAndroidTest Question

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright 2012 Alberto Salmern Moreno
 * /* w w w . j av  a  2s  .  co  m*/
 * This file is part of SimpleAndroidTest - https://github.com/berti/SimpleAndroidTest
 * 
 * SimpleAndroidTest is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * SimpleAndroidTest is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with SimpleAndroidTest.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.primoberti.simpleandroidtest;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Data associated with a question, including question phrase and options.
 * 
 * @author berti
 */
public class Question {

  /* Private fields ************************** */

  private String phrase;

  private String[] options;

  /* Private static fields ******************* */

  private final static Pattern QUESTION_PATTERN = Pattern
      .compile("^(.*)\\{(.+)\\}(.*)$");

  /* Constructors **************************** */

  /**
   * Create a new question with the given phrase and options. The first option
   * is the correct one. Thus, when presenting the options to a user, they
   * should be randomized.
   * 
   * @param phrase the phrase that poses the question
   * @param options the options of to answer the question; the first one is
   *            the correct one
   */
  public Question(String phrase, String[] options) {
    this.phrase = phrase;
    this.options = options;
  }

  /* Static factory methods ****************** */

  public static Question parseQuestion(String text) {
    Question question = null;

    Matcher matcher = QUESTION_PATTERN.matcher(text);
    if (matcher.matches()) {
      String phrase = matcher.group(1);
      if (matcher.group(3) != null && !matcher.group(3).isEmpty()) {
        phrase += "____" + matcher.group(3);
      }

      String[] options = matcher.group(2).split(",");
      for (int i = 0; i < options.length; i++) {
        options[i] = options[i].trim();
      }
      question = new Question(phrase, options);
    }

    return question;
  }

  /* Public methods ************************** */

  public String getPhrase() {
    return phrase;
  }

  public String[] getOptions() {
    return options;
  }
  
  public String getCorrectOption() {
    return options[0];
  }

  public boolean isCorrect(CharSequence option) {
    return options[0].equals(option);
  }

}

Java Source Code List

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