本文整理了Java中java.util.Properties.keySet()方法的一些代码示例，展示了Properties.keySet()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.keySet()方法的具体详情如下：
包路径：java.util.Properties
类名称：Properties
方法名：keySet

Properties.keySet介绍

暂无

代码示例

代码示例来源：origin: aragozin/jvm-tools

private void dumpProps(Properties systemProperties) {
    for(Object k: systemProperties.keySet()) {
      String key = (String) k;
      System.out.println(key + ": " + systemProperties.getProperty(key));
    }            
  }
}

代码示例来源：origin: apache/geode

public void setProperties(Properties newProps) {
 this.properties = new Properties();
 for (Iterator iter = newProps.keySet().iterator(); iter.hasNext();) {
  String key = (String) iter.next();
  // String value = newProps.getProperty(key);
  this.properties.setProperty(key, newProps.getProperty(key));
 }
}

代码示例来源：origin: runelite/runelite

public void load() throws IOException
{
  Properties properties = new Properties();
  properties.load(Djb2Manager.class.getResourceAsStream("/djb2.properties"));
  for (Object key : properties.keySet())
  {
    int hash = Integer.parseInt((String) key);
    String value = properties.getProperty((String) key);
    hashes.put(hash, value);
  }
  logger.info("Loaded {} djb2 hashes", hashes.size());
}

代码示例来源：origin: apache/geode

@Override
public Properties toSecurityProperties() {
 Properties result = new Properties();
 for (Object attName : security.keySet()) {
  if (attName instanceof String) {
   result.put(attName, getAttribute((String) attName));
  } else {
   result.put(attName, security.get(attName));
  }
 }
 return result;
}

代码示例来源：origin: apache/geode

private static void removeJavaProperties(final Properties javaProps) {
 if (javaProps != null) {
  Properties props = System.getProperties();
  for (Iterator iter = javaProps.keySet().iterator(); iter.hasNext();) {
   props.remove(iter.next());
  }
  System.setProperties(props);
 }
}

代码示例来源：origin: stanfordnlp/CoreNLP

/**
 * Run RegexNER over this sentence. Note that this is an in place operation, and simply
 * updates the NER tags.
 * Therefore, every time this function is called, it re-runs the annotator!
 *
 * @param mappingFile The regexner mapping file.
 * @param ignorecase If true, run a caseless match on the regexner file.
 */
public void regexner(String mappingFile, boolean ignorecase) {
 Properties props = new Properties();
 for (Object prop : this.defaultProps.keySet()) {
  props.setProperty(prop.toString(), this.defaultProps.getProperty(prop.toString()));
 }
 props.setProperty(Annotator.STANFORD_REGEXNER + ".mapping", mappingFile);
 props.setProperty(Annotator.STANFORD_REGEXNER + ".ignorecase", Boolean.toString(ignorecase));
 this.document.runRegexner(props);
}

代码示例来源：origin: apache/geode

static void addGemFireSystemProperties(final List<String> commandLine,
  final Properties gemfireProperties) {
 for (final Object property : gemfireProperties.keySet()) {
  final String propertyName = property.toString();
  final String propertyValue = gemfireProperties.getProperty(propertyName);
  if (StringUtils.isNotBlank(propertyValue)) {
   commandLine.add(
     "-D" + DistributionConfig.GEMFIRE_PREFIX + "" + propertyName + "=" + propertyValue);
  }
 }
}

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

public State(State otherState) {
 this.commonProperties = otherState.getCommonProperties();
 this.specProperties = new Properties();
 this.specProperties.putAll(otherState.getProperties());
 for (Object key : this.commonProperties.keySet()) {
  if (this.specProperties.containsKey(key) && this.commonProperties.get(key).equals(this.specProperties.get(key))) {
   this.specProperties.remove(key);
  }
 }
}

代码示例来源：origin: apache/hive

private String getProperty(Properties props, String[] keys) {
 for (int i = 0; i < keys.length; i++) {
  String val = props.getProperty(keys[i]);
  if (val != null) {
   return val;
  }
 }
 for (Iterator i = props.keySet().iterator(); i.hasNext();) {
  String key = (String) i.next();
  for (int j = 0; j < keys.length; j++) {
   if (key.endsWith(keys[j])) {
    return props.getProperty(key);
   }
  }
 }
 return null;
}

代码示例来源：origin: apache/hive

public Properties getChangedProperties() {
 Properties ret = new Properties();
 Properties newProp = getAllProperties();
 for (Object one : newProp.keySet()) {
  String oneProp = (String) one;
  String oldValue = origProp.getProperty(oneProp);
  if (!StringUtils.equals(oldValue, newProp.getProperty(oneProp))) {
   ret.setProperty(oneProp, newProp.getProperty(oneProp));
  }
 }
 return (ret);
}

代码示例来源：origin: apache/zeppelin

private void setSystemProperty(Properties properties) {
 for (Object key : properties.keySet()) {
  if (!RemoteInterpreterUtils.isEnvString((String) key)) {
   String value = properties.getProperty((String) key);
   if (!StringUtils.isBlank(value)) {
    System.setProperty((String) key, properties.getProperty((String) key));
   }
  }
 }
}

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

/**
 * Remove all properties with a certain keyPrefix
 *
 * @param prefix key prefix
 */
public void removePropsWithPrefix(String prefix) {
 this.specProperties.entrySet().removeIf(entry -> ((String) entry.getKey()).startsWith(prefix));
 Properties newCommonProperties = null;
 for (Object key: this.commonProperties.keySet()) {
  if (((String)key).startsWith(prefix)) {
   if (newCommonProperties == null) {
    newCommonProperties = new Properties();
    newCommonProperties.putAll(this.commonProperties);
   }
   newCommonProperties.remove(key);
  }
 }
 if (newCommonProperties != null) {
  this.commonProperties = newCommonProperties;
 }
}

代码示例来源：origin: apache/geode

@Override
public void close() {
 // Clear the extra stuff from System properties
 Properties properties = System.getProperties();
 properties.remove(SECURITY_SYSTEM_PREFIX + SECURITY_PEER_AUTH_INIT);
 properties.remove(SECURITY_SYSTEM_PREFIX + SECURITY_PEER_AUTHENTICATOR);
 Iterator iter = security.keySet().iterator();
 while (iter.hasNext()) {
  properties.remove(SECURITY_SYSTEM_PREFIX + iter.next());
 }
 System.setProperties(properties);
}

代码示例来源：origin: stanfordnlp/CoreNLP

public SingletonAnnotator(String host, int port,
             Properties properties,
             String annotator) {
 Properties forClient = new Properties();
 for (Object o : properties.keySet()) {
  String key = o.toString();
  String value = properties.getProperty(key);
  forClient.setProperty(key, value);
  forClient.setProperty(annotator + '.' + key, value);
 }
 if (lazy) {
  forClient.setProperty("annotators", annotator);
  forClient.setProperty("enforceRequirements", "false");
 } else {
  String annotators = "tokenize,ssplit,pos,lemma,ner,parse,mention,coref,natlog,openie,sentiment";
  if (!annotators.contains(annotator)) {
   annotators += "," + annotator;
  }
  forClient.setProperty("annotators", annotators);
 }
 this.client = new StanfordCoreNLPClient(forClient, host, port, key, secret);
}

代码示例来源：origin: abel533/Mapper

@Override
public String getFormattedContent(TableClass tableClass, Properties properties, String targetPackage, String templateContent) {
  Map<String, Object> params = new HashMap<String, Object>();
  for (Object o : properties.keySet()) {
    params.put(String.valueOf(o), properties.get(o));
  }
  params.put("props", properties);
  params.put("package", targetPackage);
  params.put("tableClass", tableClass);
  return process(properties.getProperty("templatePath"), templateContent, params);
}

代码示例来源：origin: geoserver/geoserver

/**
 * (non-Javadoc)
 *
 * @see org.geoserver.security.GeoServerRoleService#personalizeRoleParams(java.lang.String,
 *     java.util.Properties, java.lang.String, java.util.Properties)
 *     <p>Default implementation: if a user property name equals a role property name, take the
 *     value from to user property and use it for the role property.
 */
public Properties personalizeRoleParams(
    String roleName, Properties roleParams, String userName, Properties userProps)
    throws IOException {
  Properties props = null;
  // this is true if the set is modified --> common
  // property names exist
  props = new Properties();
  boolean personalized = false;
  for (Object key : roleParams.keySet()) {
    if (userProps.containsKey(key)) {
      props.put(key, userProps.get(key));
      personalized = true;
    } else {
      props.put(key, roleParams.get(key));
    }
  }
  return personalized ? props : null;
}

代码示例来源：origin: pentaho/pentaho-kettle

/**
 * @return The set of properties (newly created object) that contains the connection pooling parameters All
 *         environment variables will be replaced here.
 */
@Override
public Properties getConnectionPoolingProperties() {
 Properties properties = new Properties();
 for ( Iterator<Object> iter = attributes.keySet().iterator(); iter.hasNext(); ) {
  String element = (String) iter.next();
  if ( element.startsWith( ATTRIBUTE_POOLING_PARAMETER_PREFIX ) ) {
   String key = element.substring( ATTRIBUTE_POOLING_PARAMETER_PREFIX.length() );
   String value = attributes.getProperty( element );
   properties.put( key, value );
  }
 }
 return properties;
}

代码示例来源：origin: redisson/redisson

/**
 * Creates new Properties object from the original one, by copying
 * those properties that have specified first part of the key name.
 * Prefix may be optionally stripped during this process.
 *
 * @param p         source properties, from which new object will be created
 * @param prefix    key names prefix 
 *
 * @return subset properties
 */
public static Properties subset(Properties p, String prefix, boolean stripPrefix) {
  if (StringUtil.isBlank(prefix)) {
    return p;
  }
  if (!prefix.endsWith(StringPool.DOT)) {
    prefix += '.';
  }
  Properties result = new Properties();
  int baseLen = prefix.length();
  for (Object o : p.keySet()) {
    String key = (String) o;
    if (key.startsWith(prefix)) {
      result.setProperty(stripPrefix ? key.substring(baseLen) : key, p.getProperty(key));
    }
  }
  return result;
}

代码示例来源：origin: abel533/Mapper

@Override
  public String getFormattedContent(Set<TableClass> tableClassSet, Properties properties, String targetPackage, String templateContent) {
    Map<String, Object> params = new HashMap<String, Object>();
    for (Object o : properties.keySet()) {
      params.put(String.valueOf(o), properties.get(o));
    }
    params.put("props", properties);
    params.put("package", targetPackage);
    params.put("tableClassSet", tableClassSet);
    return process(properties.getProperty("templatePath"), templateContent, params);
  }
}

代码示例来源：origin: baomidou/mybatis-plus

private Properties settingsAsProperties(XNode context) {
  if (context == null) {
    return new Properties();
  }
  Properties props = context.getChildrenAsProperties();
  // Check that all settings are known to the configuration class
  MetaClass metaConfig = MetaClass.forClass(Configuration.class, localReflectorFactory);
  for (Object key : props.keySet()) {
    if (!metaConfig.hasSetter(String.valueOf(key))) {
      throw new BuilderException("The setting " + key + " is not known.  Make sure you spelled it correctly (case sensitive).");
    }
  }
  return props;
}