unicodecharacterutils.java

StandBayeMail

/**
 * <p>Title: StandBayeMail </p>
 * <p>Description: A bayesian spam filter</p>
 * <p>Copyright: Copyright (c) 2004 by Luca M. Viola</p>
 * <p>Company: 3AM.it</p>
 * @author Luca M. Viola <[e-mail]>
 * @version 1.0


  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 2
  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, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package StandBayeMail;

public class UnicodeCharacterUtils implements CharacterUtils
{
  private UnicodeCharacterUtils()
  {

  }

  public boolean isAlphaNumeric( String ch )
  {
    char c=ch.charAt(0);

    if( ch!=null )
      if( !ch.equals("") )
        return (Character.isLetterOrDigit(c) || c == '$' || c == '\'' || c == '.' || c == '-' );
        //return Character.isLetterOrDigit(c);
    return false;
  }

  public boolean isAlphabetic( String ch )
  {
    if( ch!=null )
      if( !ch.equals("") )
        return Character.isLetter(ch.charAt(0));
    return false;
  }

  public boolean isNumeric( String ch )
  {
    if( ch!=null )
      if( !ch.equals("") )
        return Character.isDigit(ch.charAt(0));
    return false;
  }

  public boolean isAlphaNumeric( char ch )
  {
    return Character.isLetterOrDigit(ch);
  }

  public boolean isAlphabetic( char ch )
  {
    return Character.isLetter(ch);
  }

  public boolean isNumeric( char ch )
  {
    return Character.isDigit(ch);
  }

  public static UnicodeCharacterUtils getUtils()
  {
    return new UnicodeCharacterUtils();
  }
}