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

Properties.entrySet介绍

暂无

代码示例

代码示例来源：origin: ctripcorp/apollo

private Set<String> stringPropertyNames(Properties properties) {
 //jdk9以下版本Properties#enumerateStringProperties方法存在性能问题，keys() + get(k) 重复迭代, jdk9之后改为entrySet遍历.
 Map<String, String> h = new HashMap<>();
 for (Map.Entry<Object, Object> e : properties.entrySet()) {
  Object k = e.getKey();
  Object v = e.getValue();
  if (k instanceof String && v instanceof String) {
   h.put((String) k, (String) v);
  }
 }
 return h.keySet();
}

代码示例来源：origin: apache/flink

private void overlay(Properties to, Properties from) {
  for (Entry<Object, Object> entry: from.entrySet()) {
    to.put(entry.getKey(), entry.getValue());
  }
}

代码示例来源：origin: voldemort/voldemort

public Props(File... files) throws FileNotFoundException, IOException {
  this.props = new HashMap<String, String>();
  for(int i = files.length - 1; i >= 0; i--) {
    Properties properties = new Properties();
    InputStream input = new BufferedInputStream(new FileInputStream(files[i].getAbsolutePath()));
    properties.load(input);
    for(Entry<Object, Object> e: properties.entrySet())
      this.props.put((String) e.getKey(), (String) e.getValue());
    input.close();
  }
}

代码示例来源：origin: apache/flink

protected synchronized Properties getProps() {
 if (properties == null) {
  properties = new Properties();
  Map<String, String[]> backup =
    new ConcurrentHashMap<String, String[]>(updatingResource);
  loadResources(properties, resources, quietmode);
  if (overlay != null) {
   properties.putAll(overlay);
   for (Entry<Object,Object> item: overlay.entrySet()) {
    String key = (String)item.getKey();
    String[] source = backup.get(key);
    if(source != null) {
     updatingResource.put(key, source);
    }
   }
  }
 }
 return properties;
}

代码示例来源：origin: neo4j/neo4j

/**
 * Loads a {@link Map} from an {@link InputStream} assuming strings as keys
 * and values.
 *
 * @param stream the {@link InputStream} containing a
 * {@link Properties}-like layout of keys and values.
 * @return the read data as a {@link Map}.
 * @throws IOException if the {@code stream} throws {@link IOException}.
 */
public static Map<String,String> load( InputStream stream ) throws IOException
{
  Properties props = new Properties();
  props.load( stream );
  HashMap<String,String> result = new HashMap<>();
  for ( Map.Entry<Object,Object> entry : props.entrySet() )
  {
    // Properties does not trim whitespace from the right side of values
    result.put( (String) entry.getKey(), ( (String) entry.getValue() ).trim() );
  }
  return result;
}

代码示例来源：origin: apache/nifi

protected Map<String, String> getAttributes(final TarArchiveInputStream stream) throws IOException {
  final Properties props = new Properties();
  props.loadFromXML(new NonCloseableInputStream(stream));
  final Map<String, String> result = new HashMap<>();
  for (final Entry<Object, Object> entry : props.entrySet()) {
    final Object keyObject = entry.getKey();
    final Object valueObject = entry.getValue();
    if (!(keyObject instanceof String)) {
      throw new IOException("Flow file attributes object contains key of type "
          + keyObject.getClass().getCanonicalName()
          + " but expected java.lang.String");
    } else if (!(keyObject instanceof String)) {
      throw new IOException("Flow file attributes object contains value of type "
          + keyObject.getClass().getCanonicalName()
          + " but expected java.lang.String");
    }
    final String key = (String) keyObject;
    final String value = (String) valueObject;
    result.put(key, value);
  }
  return result;
}

代码示例来源：origin: Netflix/conductor

@Override
public Map<String, Object> getAll() {
  Map<String, Object> map = new HashMap<>();
  Properties props = System.getProperties();
  props.entrySet().forEach(entry -> map.put(entry.getKey().toString(), entry.getValue()));
  map.putAll(testProperties);
  return map;
}

代码示例来源：origin: ehcache/ehcache3

private static Properties cloneProperties(Properties properties) {
 Properties clone = new Properties();
 for (Map.Entry<Object, Object> entry : properties.entrySet()) {
  clone.put(entry.getKey(), entry.getValue());
 }
 return clone;
}

代码示例来源：origin: loklak/loklak_server

public static void init(final File mimeFile) {
  if (mimeTable.isEmpty()) {
    // load the mime table
    BufferedInputStream mimeTableInputStream = null;
    try {
      mimeTableInputStream = new BufferedInputStream(new FileInputStream(mimeFile));
      mimeTable.load(mimeTableInputStream);
    } catch (final Exception e) {
    } finally {
      if (mimeTableInputStream != null) try { mimeTableInputStream.close(); } catch (final Exception e1) {}
    }
  }
  for (Entry<Object, Object> entry: mimeTable.entrySet()) {
    String ext = (String) entry.getKey();
    String mime = (String) entry.getValue();
    if (mime.startsWith("text/")) textExtSet.add(ext.toLowerCase());
    if (mime.startsWith("audio/")) audioExtSet.add(ext.toLowerCase());
    if (mime.startsWith("video/")) videoExtSet.add(ext.toLowerCase());
    if (mime.startsWith("application/")) appsExtSet.add(ext.toLowerCase());
  }
}

代码示例来源：origin: apache/kylin

private void init(InputStream is) {
  if (is == null)
    return;
  Properties props = new Properties();
  try {
    props.load(is);
  } catch (IOException e) {
    logger.error("", e);
  } finally {
    IOUtils.closeQuietly(is);
  }
  for (Entry<Object, Object> kv : props.entrySet()) {
    String key = (String) kv.getKey();
    String value = (String) kv.getValue();
    if (key.equals(value))
      continue; // no change
    if (value.contains(key))
      throw new IllegalStateException("New key '" + value + "' contains old key '" + key
          + "' causes trouble to repeated find & replace");
    if (value.endsWith("."))
      old2newPrefix.put(key, value);
    else
      old2new.put(key, value);
  }
}

代码示例来源：origin: apache/kafka

/**
 * Converts a Properties object to a Map<String, String>, calling {@link #toString} to ensure all keys and values
 * are Strings.
 */
public static Map<String, String> propsToStringMap(Properties props) {
  Map<String, String> result = new HashMap<>();
  for (Map.Entry<Object, Object> entry : props.entrySet())
    result.put(entry.getKey().toString(), entry.getValue().toString());
  return result;
}

代码示例来源：origin: apache/flink

protected synchronized Properties getProps() {
  if (properties == null) {
    properties = new Properties();
    Map<String, String[]> backup = updatingResource != null ?
        new ConcurrentHashMap<String, String[]>(updatingResource) : null;
    loadResources(properties, resources, quietmode);
    if (overlay != null) {
      properties.putAll(overlay);
      if (backup != null) {
        for (Map.Entry<Object, Object> item : overlay.entrySet()) {
          String key = (String) item.getKey();
          String[] source = backup.get(key);
          if (source != null) {
            updatingResource.put(key, source);
          }
        }
      }
    }
  }
  return properties;
}

代码示例来源：origin: apache/zookeeper

@Override
  public void write(Writer out) throws IOException {
    Properties cfg = new Properties();
    cfg.load( new StringReader(
        qv.toString()));
    List<String> servers = new ArrayList<String>();
    for (Entry<Object, Object> entry : cfg.entrySet()) {
      String key = entry.getKey().toString().trim();
      if ( !needKeepVersion && key.startsWith("version"))
        continue;
      String value = entry.getValue().toString().trim();
      servers.add(key
          .concat("=")
          .concat(value));
    }
    Collections.sort(servers);
    out.write(StringUtils.joinStrings(servers, "\n"));
  }
});

代码示例来源：origin: Alluxio/alluxio

/**
 * Removes the instance prefix in the properties. This is to make the configuration
 * parsing logic backward compatible with old configuration format.
 */
private void removeInstancePrefix() {
 Properties newProperties = new Properties();
 for (Map.Entry<Object, Object> entry : mProperties.entrySet()) {
  String key = entry.getKey().toString();
  if (key.startsWith("*") || key.startsWith("worker") || key.startsWith("master")) {
   String newKey = key.substring(key.indexOf('.') + 1);
   newProperties.put(newKey, entry.getValue());
  } else {
   newProperties.put(key, entry.getValue());
  }
 }
 mProperties = newProperties;
}

代码示例来源：origin: apache/flink

private void overlay(Properties to, Properties from) {
 for (Entry<Object, Object> entry: from.entrySet()) {
  to.put(entry.getKey(), entry.getValue());
 }
}

代码示例来源：origin: loklak/loklak_server

public static Map<String, String> readConfig(Path data) throws IOException {
  File conf_dir = new File("conf");
  Properties prop = new Properties();
  prop.load(new FileInputStream(new File(conf_dir, "config.properties")));
  Map<String, String> config = new HashMap<>();
  for (Map.Entry<Object, Object> entry: prop.entrySet()) config.put((String) entry.getKey(), (String) entry.getValue());
  Path settings_dir = data.resolve("settings");
  settings_dir.toFile().mkdirs();
  OS.protectPath(settings_dir);
  File customized_config = new File(settings_dir.toFile(), "customized_config.properties");
  if (!customized_config.exists()) {
    BufferedWriter w = new BufferedWriter(new FileWriter(customized_config));
    w.write("# This file can be used to customize the configuration file conf/config.properties\n");
    w.close();
  }
  Properties customized_config_props = new Properties();
  customized_config_props.load(new FileInputStream(customized_config));
  for (Map.Entry<Object, Object> entry: customized_config_props.entrySet()) config.put((String) entry.getKey(), (String) entry.getValue());
  return config;
}

代码示例来源：origin: libgdx/libgdx

public Map<String, ?> get () {
  Map<String, Object> map = new HashMap<String, Object>();
  for (Entry<Object, Object> val : properties.entrySet()) {
    if (val.getValue() instanceof Boolean)
      map.put((String)val.getKey(), (Boolean)Boolean.parseBoolean((String)val.getValue()));
    if (val.getValue() instanceof Integer) map.put((String)val.getKey(), (Integer)Integer.parseInt((String)val.getValue()));
    if (val.getValue() instanceof Long) map.put((String)val.getKey(), (Long)Long.parseLong((String)val.getValue()));
    if (val.getValue() instanceof String) map.put((String)val.getKey(), (String)val.getValue());
    if (val.getValue() instanceof Float) map.put((String)val.getKey(), (Float)Float.parseFloat((String)val.getValue()));
  }
  return map;
}

代码示例来源：origin: Alluxio/alluxio

/**
 * Uses regex to parse every original property key to a prefix and a suffix. Creates sub
 * properties that are grouped by the prefix.
 *
 * @param prop the original properties
 * @param regex prefix and suffix pattern
 * @return a {@code Map} from the prefix to its properties
 */
public static Map<String, Properties> subProperties(Properties prop, String regex) {
 Map<String, Properties> subProperties = new HashMap<>();
 Pattern pattern = Pattern.compile(regex);
 for (Map.Entry<Object, Object> entry : prop.entrySet()) {
  Matcher m = pattern.matcher(entry.getKey().toString());
  if (m.find()) {
   String prefix = m.group(1);
   String suffix = m.group(2);
   if (!subProperties.containsKey(prefix)) {
    subProperties.put(prefix, new Properties());
   }
   subProperties.get(prefix).put(suffix, entry.getValue());
  }
 }
 return subProperties;
}

代码示例来源：origin: jooby-project/jooby

private static void setSystemProperties(final File sysprops) throws IOException {
 try (InputStream in = new FileInputStream(sysprops)) {
  Properties properties = new Properties();
  properties.load(in);
  for (Entry<Object, Object> prop : properties.entrySet()) {
   String name = prop.getKey().toString();
   String value = prop.getValue().toString();
   String existing = System.getProperty(name);
   if (!value.equals(existing)) {
    // set property
    System.setProperty(name, value);
   }
  }
 }
}

代码示例来源：origin: apache/kylin

private static Properties constructDefaultKafkaConsumerProperties(String brokers, String consumerGroup, Properties properties) {
  Properties props = new Properties();
  if (properties != null) {
    for (Map.Entry entry : properties.entrySet()) {
      props.put(entry.getKey(), entry.getValue());
    }
  }
  props.put("bootstrap.servers", brokers);
  props.put("key.deserializer", StringDeserializer.class.getName());
  props.put("value.deserializer", StringDeserializer.class.getName());
  props.put("group.id", consumerGroup);
  props.put("enable.auto.commit", "false");
  return props;
}