java.util.Properties.remove()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
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本文整理了Java中java.util.Properties.remove()方法的一些代码示例，展示了Properties.remove()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。Properties.remove()方法的具体详情如下：
包路径：java.util.Properties
类名称：Properties
方法名：remove

Properties.remove介绍

暂无

代码示例

代码示例来源：origin: spring-projects/spring-framework

/**
 * Programmatically set a local property, overriding an entry in the
 * {@code spring.properties} file (if any).
 * @param key the property key
 * @param value the associated property value, or {@code null} to reset it
 */
public static void setProperty(String key, @Nullable String value) {
  if (value != null) {
    localProperties.setProperty(key, value);
  }
  else {
    localProperties.remove(key);
  }
}

代码示例来源：origin: com.h2database/h2

/**
 * Add or change a setting to the properties. This call does not save the
 * file.
 *
 * @param key the key
 * @param value the value
 */
public void setProperty(String key, String value) {
  if (value == null) {
    properties.remove(key);
  } else {
    properties.put(key, value);
  }
}

代码示例来源：origin: quartz-scheduler/quartz

private void populateProviderWithExtraProps(PoolingConnectionProvider cp, Properties props) throws Exception {
  Properties copyProps = new Properties();
  copyProps.putAll(props);
  // Remove all the default properties first (they don't always match to setter name, and they are already
  // been set!)
  copyProps.remove(PoolingConnectionProvider.DB_DRIVER);
  copyProps.remove(PoolingConnectionProvider.DB_URL);
  copyProps.remove(PoolingConnectionProvider.DB_USER);
  copyProps.remove(PoolingConnectionProvider.DB_PASSWORD);
  copyProps.remove(PoolingConnectionProvider.DB_MAX_CONNECTIONS);
  copyProps.remove(PoolingConnectionProvider.DB_VALIDATION_QUERY);
  copyProps.remove(PoolingConnectionProvider.POOLING_PROVIDER);
  if (cp instanceof C3p0PoolingConnectionProvider) {
    copyProps.remove(C3p0PoolingConnectionProvider.DB_MAX_CACHED_STATEMENTS_PER_CONNECTION);
    copyProps.remove(C3p0PoolingConnectionProvider.DB_VALIDATE_ON_CHECKOUT);
    copyProps.remove(C3p0PoolingConnectionProvider.DB_IDLE_VALIDATION_SECONDS);
    copyProps.remove(C3p0PoolingConnectionProvider.DB_DISCARD_IDLE_CONNECTIONS_SECONDS);
  }
  setBeanProps(cp.getDataSource(), copyProps);
}

代码示例来源：origin: org.apache.logging.log4j/log4j-api

/**
 * Extracts properties that start with or are equals to the specific prefix and returns them in a new Properties
 * object with the prefix removed.
 *
 * @param properties The Properties to evaluate.
 * @param prefix     The prefix to extract.
 * @return The subset of properties.
 */
public static Properties extractSubset(final Properties properties, final String prefix) {
  final Properties subset = new Properties();
  if (prefix == null || prefix.length() == 0) {
    return subset;
  }
  final String prefixToMatch = prefix.charAt(prefix.length() - 1) != '.' ? prefix + '.' : prefix;
  final List<String> keys = new ArrayList<>();
  for (final String key : properties.stringPropertyNames()) {
    if (key.startsWith(prefixToMatch)) {
      subset.setProperty(key.substring(prefixToMatch.length()), properties.getProperty(key));
      keys.add(key);
    }
  }
  for (final String key : keys) {
    properties.remove(key);
  }
  return subset;
}

代码示例来源：origin: spring-projects/spring-batch

private void switchPropertyNames(Properties properties, String oldName, String newName) {
  String value = properties.getProperty(oldName);
  properties.remove(oldName);
  properties.setProperty(newName, value);
}

代码示例来源：origin: jooby-project/jooby

private Properties properties(final Config config) {
 Properties props = new Properties();
 // dump
 config.getConfig("freemarker").entrySet().forEach(e -> {
  String name = e.getKey();
  String value = e.getValue().unwrapped().toString();
  log.debug("  freemarker.{} = {}", name, value);
  props.setProperty(name, value);
 });
 // this is a jooby option
 props.remove("cache");
 return props;
}

代码示例来源：origin: apache/geode

protected Properties createDistributedSystemProperties() {
 Properties properties = new Properties();
 // Add any additional gemfire properties
 for (Map.Entry<String, String> entry : this.gemfireProperties.entrySet()) {
  properties.put(entry.getKey(), entry.getValue());
 }
 // Replace the cache xml file in the properties
 File cacheXmlFile = getCacheXmlFile();
 String absoluteCacheXmlFileName = cacheXmlFile.getAbsolutePath();
 // If the file doesn't exist and the name is the default, set cache-xml-file
 // to the GemFire default. This is for the case where only the jars have been
 // installed and no default cache.xml exists in the conf directory.
 if (getCacheXmlFileName().equals(getDefaultCacheXmlFileName()) && !cacheXmlFile.exists()) {
  absoluteCacheXmlFileName = DistributionConfig.DEFAULT_CACHE_XML_FILE.getName();
 }
 properties.put(CACHE_XML_FILE, absoluteCacheXmlFileName);
 // Replace the log file in the properties
 properties.put(LOG_FILE, getLogFile().getAbsolutePath());
 // Replace the statistics archive file in the properties
 File statisticArchiveFile = getStatisticArchiveFile();
 if (statisticArchiveFile == null) {
  // Remove the statistics archive file name since statistic sampling is disabled
  properties.remove(STATISTIC_ARCHIVE_FILE);
  properties.remove(STATISTIC_SAMPLING_ENABLED);
 } else {
  properties.put(STATISTIC_ARCHIVE_FILE, statisticArchiveFile.getAbsolutePath());
 }
 getLogger().info("Creating distributed system from: " + properties);
 return properties;
}

代码示例来源：origin: debezium/debezium

private static String findAndReplace(String url, String name, Properties props) {
  if (name != null && url.contains("${" + name + "}")) {
    // Otherwise, we have to remove it from the properties ...
    String value = props.getProperty(name);
    if (value != null) {
      props.remove(name);
      // And replace the variable ...
      url = url.replaceAll("\\$\\{" + name + "\\}", value);
    }
  }
  return url;
}

代码示例来源：origin: pentaho/pentaho-kettle

@Override
public void setConnectionPoolingProperties( Properties properties ) {
 // Clear our the previous set of pool parameters
 for ( Iterator<Object> iter = attributes.keySet().iterator(); iter.hasNext(); ) {
  String key = (String) iter.next();
  if ( key.startsWith( ATTRIBUTE_POOLING_PARAMETER_PREFIX ) ) {
   attributes.remove( key );
  }
 }
 for ( Iterator<Object> iter = properties.keySet().iterator(); iter.hasNext(); ) {
  String element = (String) iter.next();
  String value = properties.getProperty( element );
  if ( !Utils.isEmpty( element ) && !Utils.isEmpty( value ) ) {
   attributes.put( ATTRIBUTE_POOLING_PARAMETER_PREFIX + element, value );
  }
 }
}

代码示例来源：origin: pentaho/pentaho-kettle

@Test
public void runMapTests() throws IOException {
 Properties p = new Properties();
 ConcurrentMapProperties c = new ConcurrentMapProperties();
  p.put( unique, unique );
  c.put( unique, unique );
  p.remove( rmKey );
  Assert.assertEquals( p.getProperty( property ), c.getProperty( property ) );

代码示例来源：origin: org.apache.ant/ant

out.println("None available");
} else {
  Properties props = new Properties();
  try {
    props.load(is);
    for (String key : props.stringPropertyNames()) {
      String classname = props.getProperty(key);
      try {
        Class.forName(classname);
        props.remove(key);
      } catch (ClassNotFoundException e) {
        out.println(key + " : Not Available "

代码示例来源：origin: apache/kylin

/**
 * get extra calcite props from jdbc client
 */
public static Properties getJdbcDriverClientCalciteProps() {
  Properties props = new Properties();
  String propsStr = getString(JDBC_CLIENT_CALCITE_PROPS);
  if (propsStr == null) {
    return props;
  }
  try {
    props.load(new StringReader(propsStr));
  } catch (IOException ignored) {
    // ignored
  }
  final Set<String> allowedPropsNames = Sets.newHashSet(
      "caseSensitive",
      "unquotedCasing",
      "quoting",
      "conformance"
  );
  // remove un-allowed props
  for (String key : props.stringPropertyNames()) {
    if (!allowedPropsNames.contains(key)) {
      props.remove(key);
    }
  }
  return props;
}

代码示例来源：origin: stanfordnlp/CoreNLP

runProps.remove(s);
runProps.setProperty("stopWordsPatternFiles",stopWordsFile);
runProps.setProperty("englishWordsFiles", stopWordsFile);
runProps.setProperty("commonWordsPatternFiles", stopWordsFile);

代码示例来源：origin: apache/geode

configProps.put(DistributionConfig.DS_RECONNECTING_NAME, Boolean.TRUE);
  if (quorumChecker != null) {
   configProps.put(DistributionConfig.DS_QUORUM_CHECKER_NAME, quorumChecker);
 } finally {
  if (this.locatorDMTypeForced) {
   System.getProperties().remove(InternalLocator.FORCE_LOCATOR_DM_TYPE);
attemptingToReconnect = false;
if (appendToLogFile == null) {
 System.getProperties().remove(APPEND_TO_LOG_FILE);
} else {
 System.setProperty(APPEND_TO_LOG_FILE, appendToLogFile);
 System.getProperties().remove(InternalLocator.INHIBIT_DM_BANNER);
} else {
 System.setProperty(InternalLocator.INHIBIT_DM_BANNER, inhibitBanner);

代码示例来源：origin: stanfordnlp/CoreNLP

Properties result = new Properties();
List<String> remainingArgs = new ArrayList<>();
for (int i = 0; i < args.length; i++) {
   result.setProperty(PROPERTIES, value);
  } else {
   result.setProperty(key, value);
 result.setProperty("", join(remainingArgs, " "));
 String file = result.getProperty(PROPERTIES);
 result.remove(PROPERTIES);
 Properties toAdd = new Properties();
 BufferedReader reader = null;
 try {
   String newVal = toAdd.getProperty(propKey);
   toAdd.setProperty(propKey, newVal.trim());
  String val = toAdd.getProperty(key);
  if ( ! result.containsKey(key)) {
   result.setProperty(key, val);

代码示例来源：origin: apache/incubator-gobblin

public static Properties convertDeprecatedProperties(Properties props) {
  if (props.containsKey(DEPRECATED_WATERMARK_REGEX_KEY)) {
   log.info(String.format("Found deprecated key %s. Replacing it with %s", DEPRECATED_WATERMARK_REGEX_KEY,
     org.apache.gobblin.data.management.version.finder.WatermarkDatasetVersionFinder.WATERMARK_REGEX_KEY));

   props.setProperty(org.apache.gobblin.data.management.version.finder.WatermarkDatasetVersionFinder.WATERMARK_REGEX_KEY,
     props.getProperty(DEPRECATED_WATERMARK_REGEX_KEY));
   props.remove(DEPRECATED_WATERMARK_REGEX_KEY);
  }

  return props;
 }
}

代码示例来源：origin: pmd/pmd

public static void setSystemProperties(CPDConfiguration configuration) {
  Properties properties = new Properties();
  if (configuration.isIgnoreLiterals()) {
    properties.setProperty(Tokenizer.IGNORE_LITERALS, "true");
  } else {
    properties.remove(Tokenizer.IGNORE_LITERALS);
  }
  if (configuration.isIgnoreIdentifiers()) {
    properties.setProperty(Tokenizer.IGNORE_IDENTIFIERS, "true");
  } else {
    properties.remove(Tokenizer.IGNORE_IDENTIFIERS);
  }
  if (configuration.isIgnoreAnnotations()) {
    properties.setProperty(Tokenizer.IGNORE_ANNOTATIONS, "true");
  } else {
    properties.remove(Tokenizer.IGNORE_ANNOTATIONS);
  }
  if (configuration.isIgnoreUsings()) {
    properties.setProperty(Tokenizer.IGNORE_USINGS, "true");
  } else {
    properties.remove(Tokenizer.IGNORE_USINGS);
  }
  properties.setProperty(Tokenizer.OPTION_SKIP_BLOCKS, Boolean.toString(!configuration.isNoSkipBlocks()));
  properties.setProperty(Tokenizer.OPTION_SKIP_BLOCKS_PATTERN, configuration.getSkipBlocksPattern());
  configuration.getLanguage().setProperties(properties);
}

代码示例来源：origin: org.apache.logging.log4j/log4j-api

@Test
  public void testNonStringSystemProperties() {
    Object key1 = "1";
    Object key2 = new Object();
    System.getProperties().put(key1, new Object());
    System.getProperties().put(key2, "value-2");
    try {
      final PropertiesUtil util = new PropertiesUtil(new Properties());
      assertNull(util.getStringProperty("1"));
    } finally {
      System.getProperties().remove(key1);
      System.getProperties().remove(key2);
    }
  }
}

代码示例来源：origin: quartz-scheduler/quartz

private void populateProviderWithExtraProps(PoolingConnectionProvider cp, Properties props) throws Exception {
  Properties copyProps = new Properties();
  copyProps.putAll(props);
  // Remove all the default properties first (they don't always match to setter name, and they are already
  // been set!)
  copyProps.remove(PoolingConnectionProvider.DB_DRIVER);
  copyProps.remove(PoolingConnectionProvider.DB_URL);
  copyProps.remove(PoolingConnectionProvider.DB_USER);
  copyProps.remove(PoolingConnectionProvider.DB_PASSWORD);
  copyProps.remove(PoolingConnectionProvider.DB_MAX_CONNECTIONS);
  copyProps.remove(PoolingConnectionProvider.DB_VALIDATION_QUERY);
  copyProps.remove(PoolingConnectionProvider.POOLING_PROVIDER);
  if (cp instanceof C3p0PoolingConnectionProvider) {
    copyProps.remove(C3p0PoolingConnectionProvider.DB_MAX_CACHED_STATEMENTS_PER_CONNECTION);
    copyProps.remove(C3p0PoolingConnectionProvider.DB_VALIDATE_ON_CHECKOUT);
    copyProps.remove(C3p0PoolingConnectionProvider.DB_IDLE_VALIDATION_SECONDS);
    copyProps.remove(C3p0PoolingConnectionProvider.DB_DISCARD_IDLE_CONNECTIONS_SECONDS);
  }
  setBeanProps(cp.getDataSource(), copyProps);
}

代码示例来源：origin: stanfordnlp/CoreNLP

private static Dataset getDatasetClass(Properties dsParams) {
 Dataset ds = null;
 String dsType = dsParams.getProperty(ConfigParser.paramType);
 dsParams.remove(ConfigParser.paramType);
 try {
  if(dsType == null)
   ds = new ATBArabicDataset();
  else {
   Class c = ClassLoader.getSystemClassLoader().loadClass(dsType);
   ds = (Dataset) c.newInstance();
  }
 } catch (ClassNotFoundException e) {
  System.err.printf("Dataset type %s does not exist%n", dsType);
 } catch (InstantiationException e) {
  System.err.printf("Unable to instantiate dataset type %s%n", dsType);
 } catch (IllegalAccessException e) {
  System.err.printf("Unable to access dataset type %s%n", dsType);
 }
 return ds;
}

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