org.eclipse.rdf4j.model.util.Literals.isValidLanguageTag()方法的使用及代码示例

x33g5p2x  于2022-01-24 转载在 其他  
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本文整理了Java中org.eclipse.rdf4j.model.util.Literals.isValidLanguageTag()方法的一些代码示例，展示了Literals.isValidLanguageTag()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Literals.isValidLanguageTag()方法的具体详情如下：
包路径：org.eclipse.rdf4j.model.util.Literals
类名称：Literals
方法名：isValidLanguageTag

Literals.isValidLanguageTag介绍

[英]Checks if the given string is a BCP47 language tag according to the rules defined by the JDK in the Locale API.
[中]根据JDK在LocaleAPI中定义的规则，检查给定字符串是否为BCP47语言标记。

代码示例

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-client

public Literal createLiteral(String label, String language) {
  if (!Literals.isValidLanguageTag(language)) {
    throw new IllegalArgumentException("Not a valid language tag: " + language);
  }
  return delegate.createLiteral(label, language);
}

代码示例来源：origin: eclipse/rdf4j

@Override
public Literal createLiteral(String label, String language) {
  if (!Literals.isValidLanguageTag(language)) {
    throw new IllegalArgumentException("Not a valid language tag: " + language);
  }
  return delegate.createLiteral(label, language);
}

代码示例来源：origin: apache/incubator-rya

/**
   * Validates the language based on the data type.
   * <p>
   * This will do one of the following:
   * <ul>
   *   <li>Return the original {@code language} if the {@code dataType} is
   *       {@link RDF#LANGSTRING} and it's of a VALID format.</li>
   *   <li>Returns {@link UNDETERMINED_LANGUAGE} if the {@code dataType} is
   *       {@link RDF#LANGSTRING} and it's of an INVALID format.</li>
   *   <li>Return {@code null} if the dataType is NOT {@link RDF#LANGSTRING}.</li>
   * </ul>
   * @param language the language to validate.
   * @param dataType the {@link IRI} data type to validate against.
   * @return the validated language.
   */
  public static String validateLanguage(final String language, final IRI dataType) {
    String result = null;
    if (RDF.LANGSTRING.equals(dataType)) {
      if (language != null && Literals.isValidLanguageTag(language)) {
        result = language;
      } else {
        result = UNDETERMINED_LANGUAGE;
      }
    }
    return result;
  }
}

代码示例来源：origin: apache/incubator-rya

@Override
public RyaType deserialize(final byte[] bytes) throws RyaTypeResolverException {
  if (!deserializable(bytes)) {
    throw new RyaTypeResolverException("Bytes not deserializable");
  }
  final RyaType rt = newInstance();
  rt.setDataType(getRyaDataType());
  String data = new String(bytes, 0, bytes.length - 2, StandardCharsets.UTF_8);
  if (RDF.LANGSTRING.equals(rt.getDataType())) {
    final int langDelimiterPos = data.lastIndexOf(LiteralLanguageUtils.LANGUAGE_DELIMITER);
    final String parsedData = data.substring(0, langDelimiterPos);
    final String language = data.substring(langDelimiterPos + 1, data.length());
    if (language != null && Literals.isValidLanguageTag(language)) {
      rt.setLanguage(language);
    } else {
      rt.setLanguage(LiteralLanguageUtils.UNDETERMINED_LANGUAGE);
    }
    data = parsedData;
  }
  rt.setData(deserializeData(data));
  return rt;
}

代码示例来源：origin: apache/incubator-rya

@Override
  public RyaType deserialize(final byte[] bytes) throws RyaTypeResolverException {
    if (!deserializable(bytes)) {
      throw new RyaTypeResolverException("Bytes not deserializable");
    }
    final RyaType rt = newInstance();
    final int length = bytes.length;
    final int indexOfType = Bytes.indexOf(bytes, TYPE_DELIM_BYTE);
    if (indexOfType < 1) {
      throw new RyaTypeResolverException("Not a datatype literal");
    }
    String data = deserializeData(new String(bytes, 0, indexOfType, StandardCharsets.UTF_8));
    rt.setDataType(SimpleValueFactory.getInstance().createIRI(new String(bytes, indexOfType + 1, (length - indexOfType) - 3, StandardCharsets.UTF_8)));
    if (RDF.LANGSTRING.equals(rt.getDataType())) {
      final int langDelimiterPos = data.lastIndexOf(LiteralLanguageUtils.LANGUAGE_DELIMITER);
      final String parsedData = data.substring(0, langDelimiterPos);
      final String language = data.substring(langDelimiterPos + 1, data.length());
      if (language != null && Literals.isValidLanguageTag(language)) {
        rt.setLanguage(language);
      } else {
        rt.setLanguage(LiteralLanguageUtils.UNDETERMINED_LANGUAGE);
      }
      data = parsedData;
    }
    rt.setData(data);
    return rt;
  }
}

代码示例来源：origin: apache/incubator-rya

/**
 * Converts a {@link Literal} into a {@link RyaType} representation of the
 * {@code literal}.
 * @param literal the {@link Literal} to convert.
 * @return the {@link RyaType} representation of the {@code literal}.
 */
public static RyaType convertLiteral(final Literal literal) {
  if (literal == null) {
    return null;
  }
  if (literal.getDatatype() != null) {
    if (Literals.isLanguageLiteral(literal)) {
      final String language = literal.getLanguage().get();
      if (Literals.isValidLanguageTag(language)) {
        return new RyaType(literal.getDatatype(), literal.stringValue(), language);
      } else {
        log.warn("Invalid language (" + LogUtils.clean(language) + ") found in Literal. Defaulting to: " + UNDETERMINED_LANGUAGE);
        // Replace invalid language with "und"
        return new RyaType(literal.getDatatype(), literal.stringValue(), UNDETERMINED_LANGUAGE);
      }
    }
    return new RyaType(literal.getDatatype(), literal.stringValue());
  }
  return new RyaType(literal.stringValue());
}

代码示例来源：origin: apache/incubator-rya

@Test
public void testConvertLiteral_invalidLanguage() {
  final String expectedData = "Hello";
  final List<String> badLanguages = Lists.newArrayList(
      "bad language",
      "en-",
      "en-US-"
  );
  for (final String badLanguage : badLanguages) {
    // This only checks the validity of the format. Not that the language tag actually exists.
    assertFalse(Literals.isValidLanguageTag(badLanguage));
    final RyaType ryaType = new RyaType(RDF.LANGSTRING, expectedData, badLanguage);
    final Literal literal = RyaToRdfConversions.convertLiteral(ryaType);
    assertEquals(RDF.LANGSTRING, literal.getDatatype());
    assertEquals(expectedData, literal.getLabel());
    assertTrue(literal.getLanguage().isPresent());
    // Check that the invalid language is replaced with "und"
    assertEquals(LiteralLanguageUtils.UNDETERMINED_LANGUAGE, literal.getLanguage().get());
  }
}

代码示例来源：origin: apache/incubator-rya

/**
 * Converts a {@link RyaType} into a {@link Literal} representation of the
 * {@code ryaType}.
 * @param ryaType the {@link RyaType} to convert.
 * @return the {@link Literal} representation of the {@code ryaType}.
 */
public static Literal convertLiteral(final RyaType ryaType) {
  if (XMLSchema.STRING.equals(ryaType.getDataType())) {
    return VF.createLiteral(ryaType.getData());
  } else if (RDF.LANGSTRING.equals(ryaType.getDataType())) {
    final String data = ryaType.getData();
    final String language = ryaType.getLanguage();
    if (language != null && Literals.isValidLanguageTag(language)) {
      return VF.createLiteral(data, language);
    } else {
      return VF.createLiteral(data, LiteralLanguageUtils.UNDETERMINED_LANGUAGE);
    }
  }
  return VF.createLiteral(ryaType.getData(), ryaType.getDataType());
}

代码示例来源：origin: apache/incubator-rya

@Test
public void testConvertLiteral_undeterminedLanguage() {
  final String expectedData = "Hello";
  final String language = LiteralLanguageUtils.UNDETERMINED_LANGUAGE;
  assertTrue(Literals.isValidLanguageTag(language));
  final RyaType ryaType = new RyaType(RDF.LANGSTRING, expectedData, language);
  final Literal literal = RyaToRdfConversions.convertLiteral(ryaType);
  assertEquals(RDF.LANGSTRING, literal.getDatatype());
  assertEquals(expectedData, literal.getLabel());
  assertTrue(literal.getLanguage().isPresent());
  assertEquals(LiteralLanguageUtils.UNDETERMINED_LANGUAGE, literal.getLanguage().get());
  final Literal expectedLiteral = VF.createLiteral(expectedData, language);
  assertEquals(expectedLiteral, literal);
}

代码示例来源：origin: apache/incubator-rya

@Test
public void testConvertLiteral_validLanguage() {
  final String expectedData = "Hello";
  for (final String language : LANGUAGE_CODES) {
    // This only checks the validity of the format. Not that the language tag actually exists.
    assertTrue(Literals.isValidLanguageTag(language));
    final RyaType ryaType = new RyaType(RDF.LANGSTRING, expectedData, language);
    final Literal literal = RyaToRdfConversions.convertLiteral(ryaType);
    assertEquals(RDF.LANGSTRING, literal.getDatatype());
    assertEquals(expectedData, literal.getLabel());
    assertTrue(literal.getLanguage().isPresent());
    assertEquals(language, literal.getLanguage().get());
    final Literal expectedLiteral = VF.createLiteral(expectedData, language);
    assertEquals(expectedLiteral, literal);
  }
}

代码示例来源：origin: apache/incubator-rya

@Test
public void testConvertLiteral_invalidLanguage() {
  final String expectedData = "Hello";
  final List<String> badLanguages = Lists.newArrayList(
      "bad language",
      "en-",
      "en-US-"
  );
  for (final String badLanguage : badLanguages) {
    // This only checks the validity of the format. Not that the language tag actually exists.
    assertFalse(Literals.isValidLanguageTag(badLanguage));
    final Literal literal = VF.createLiteral(expectedData, badLanguage);
    final RyaType ryaType = RdfToRyaConversions.convertLiteral(literal);
    assertEquals(RDF.LANGSTRING, ryaType.getDataType());
    assertEquals(expectedData, ryaType.getData());
    // Check that the invalid language is replaced with "und"
    assertEquals(LiteralLanguageUtils.UNDETERMINED_LANGUAGE, ryaType.getLanguage());
  }
}

代码示例来源：origin: apache/incubator-rya

@Test
public void testConvertLiteral_undeterminedLanguage() {
  final String expectedData = "Hello";
  final String language = LiteralLanguageUtils.UNDETERMINED_LANGUAGE;
  assertTrue(Literals.isValidLanguageTag(language));
  final Literal literal = VF.createLiteral(expectedData, language);
  final RyaType ryaType = RdfToRyaConversions.convertLiteral(literal);
  assertEquals(RDF.LANGSTRING, ryaType.getDataType());
  assertEquals(expectedData, ryaType.getData());
  final RyaType expectedRyaType = new RyaType(RDF.LANGSTRING, expectedData, language);
  assertEquals(expectedRyaType, ryaType);
  assertEquals(LiteralLanguageUtils.UNDETERMINED_LANGUAGE, ryaType.getLanguage());
}

代码示例来源：origin: apache/incubator-rya

@Test
public void testConvertLiteral_validLanguage() {
  final String expectedData = "Hello";
  for (final String language : LANGUAGE_CODES) {
    // This only checks the validity of the format. Not that the language tag actually exists.
    assertTrue(Literals.isValidLanguageTag(language));
    final Literal literal = VF.createLiteral(expectedData, language);
    final RyaType ryaType = RdfToRyaConversions.convertLiteral(literal);
    assertEquals(RDF.LANGSTRING, ryaType.getDataType());
    assertEquals(expectedData, ryaType.getData());
    assertEquals(language, ryaType.getLanguage());
    final RyaType expectedRyaType = new RyaType(RDF.LANGSTRING, expectedData, language);
    assertEquals(expectedRyaType, ryaType);
  }
}

代码示例来源：origin: org.eclipse.rdf4j/rdf4j-client

result = Literals.isValidLanguageTag(value);

代码示例来源：origin: eclipse/rdf4j

result = Literals.isValidLanguageTag(value);

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