Android Open Source - ivotingverification Regex Matcher

From Project

Back to project page ivotingverification.

License

The source code is released under:

GNU General Public License

If you think the Android project ivotingverification listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

/**
 * Copyright (C) 2013 Eesti Vabariigi Valimiskomisjon 
 * (Estonian National Electoral Committee), www.vvk.ee
 *//from  ww  w.ja v a2s. co  m
 * Written in 2013 by AS Finestmedia, www.finestmedia.ee
 * 
 * Vote-verification application for Estonian Internet voting system
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 **/
 
package ee.vvk.ivotingverification.util;

import java.nio.ByteBuffer;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.Charset;

/**
 * Regular expressions matcher.
 * 
 * @version 16.05.2013
 */
public class RegexMatcher {

  public final static boolean isElevenDigets(String s) {
    return s.matches("\\d{11}");
  }

  public final static boolean IsOneDigit(String s) {
    return s.matches("\\d{1}");
  }

  public final static boolean IsOneOrTwoDigits(String s) {
    return s.matches("\\d{1,2}");
  }

  public final static boolean IsCandidateNumber(String s) {
    return s.matches("\\d{1,10}.\\d{1,11}");
  }

  public final static boolean IsFortyCharacters(String s) {
    if (s.length() == 40) {
      return true;
    }
    return false;
  }

  public final static boolean Is256Bytes(String s) {
    if (s.length() == 256) {
      return true;
    }
    return false;
  }

  public final static boolean Is512Bytes(String s) {
    if (s.length() == 512) {
      return true;
    }
    return false;
  }

  public static boolean isValidUTF8(final byte[] bytes) {
    try {
      Charset.availableCharsets().get("UTF-8").newDecoder()
          .decode(ByteBuffer.wrap(bytes));
    } catch (CharacterCodingException e) {
      return false;
    }
    return true;
  }

  public final static boolean IsLessThan101UtfChars(String s) {
    if (s.length() < 101 && isValidUTF8(s.getBytes())) {
      return true;
    }
    return false;
  }
}

Java Source Code List