AbstractLanguageSpecificBuilder.java

/**
 * Portions of this software was developed by employees of the National Institute
 * of Standards and Technology (NIST), an agency of the Federal Government and is
 * being made available as a public service. Pursuant to title 17 United States
 * Code Section 105, works of NIST employees are not subject to copyright
 * protection in the United States. This software may be subject to foreign
 * copyright. Permission in the United States and in foreign countries, to the
 * extent that NIST may hold copyright, to use, copy, modify, create derivative
 * works, and distribute this software and its documentation without fee is hereby
 * granted on a non-exclusive basis, provided that this notice and disclaimer
 * of warranty appears in all copies.
 *
 * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
 * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
 * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
 * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
 * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE.  IN NO EVENT
 * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
 * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
 * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
 * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
 * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
 * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
 */

package gov.nist.secauto.swid.builder;

import gov.nist.secauto.swid.builder.util.Util;

public abstract class AbstractLanguageSpecificBuilder<E extends AbstractLanguageSpecificBuilder<E>>
    extends AbstractBuilder {

  private String language;

  public AbstractLanguageSpecificBuilder() {
    reset();
  }

  @Override
  public void reset() {
    this.language = null;
  }

  public String getLanguage() {
    return language;
  }

  /**
   * Sets the to-be-built tag data element's language to the provided language value. It is expected
   * that the language code conforms with ISO 639 language codes and ISO 3166‑1 country codes.
   * 
   * @see <a href="https://tools.ietf.org/html/rfc5646">RFC5646</a>
   * 
   * @param lang
   *          the language value
   * @return the same builder instance
   */
  @SuppressWarnings("unchecked")
  public E language(String lang) {
    Util.requireNonEmpty("language", lang);
    Util.requirePatternMatch(SWIDConstants.PATTERN_LANGUAGE, lang, "language");
    this.language = lang;
    return (E) this;
  }

  @Override
  public void validate() throws ValidationException {
  }
}