LongParamType.java :  » Development » Natural-CLI » org » naturalcli » parameters » Java Open Source

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Natural CLI » org » naturalcli » parameters » LongParamType.java
/* 
 * LongParamType.java
 *
 * Copyright (C) 2008 Ferran Busquets
 *
 * 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
 * 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 org.naturalcli.parameters;

import org.naturalcli.IParameterType;


/**
 * The class implements a long parameter type.
 * 
 * @see java.lang.Long#valueOf(String)
 * @author Ferran Busquets
 *
 */
public class LongParamType implements IParameterType {

  /* (non-Javadoc)
   * @see org.naturalcli.paramtypes.IParameterType#getParameterTypeName()
   */
  @Override
  public String getParameterTypeName() {
    return "long";
  }

  /* (non-Javadoc)
   * @see org.naturalcli.paramtypes.IParameterType#validateParameter(java.lang.String)
   */
  @Override
  public boolean validateParameter(String value) {
      try {
        Long.valueOf(value);
        return true;
      } catch (NumberFormatException e)
      {
            return false;
      }
  }

  /* (non-Javadoc)
   * @see org.naturalcli.paramtypes.IParameterType#validationMessage(java.lang.String)
   */
  @Override
  public String validationMessage(String value) {
    return this.validateParameter(value) ? null : "Bad long.";
  }

  /* (non-Javadoc)
   * @see org.naturalcli.paramtypes.IParameterType#convertParameterValue(java.lang.String)
   */
  @Override
  public Object convertParameterValue(String strRepresentation) {
    return Long.valueOf(strRepresentation);
  }    
}
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