import org.apache.hadoop.lib.util.ConfigurationUtils; //导入依赖的package包/类
/**
 * Creates a server instance.
 * <p>
 * It uses the provided configuration instead loading it from the config dir.
 *
 * @param name server name.
 * @param homeDir server home directory.
 * @param configDir config directory.
 * @param logDir log directory.
 * @param tempDir temp directory.
 * @param config server configuration.
 */
public Server(String name, String homeDir, String configDir, String logDir, String tempDir, Configuration config) {
  this.name = StringUtils.toLowerCase(Check.notEmpty(name, "name").trim());
  this.homeDir = Check.notEmpty(homeDir, "homeDir");
  this.configDir = Check.notEmpty(configDir, "configDir");
  this.logDir = Check.notEmpty(logDir, "logDir");
  this.tempDir = Check.notEmpty(tempDir, "tempDir");
  checkAbsolutePath(homeDir, "homeDir");
  checkAbsolutePath(configDir, "configDir");
  checkAbsolutePath(logDir, "logDir");
  checkAbsolutePath(tempDir, "tempDir");
  if (config != null) {
    this.config = new Configuration(false);
    ConfigurationUtils.copy(config, this.config);
  }
  status = Status.UNDEF;
}
 

import org.apache.hadoop.lib.util.ConfigurationUtils; //导入依赖的package包/类
/**
 * Creates a server instance.
 * <p/>
 * It uses the provided configuration instead loading it from the config dir.
 *
 * @param name server name.
 * @param homeDir server home directory.
 * @param configDir config directory.
 * @param logDir log directory.
 * @param tempDir temp directory.
 * @param config server configuration.
 */
public Server(String name, String homeDir, String configDir, String logDir, String tempDir, Configuration config) {
  this.name = Check.notEmpty(name, "name").trim().toLowerCase();
  this.homeDir = Check.notEmpty(homeDir, "homeDir");
  this.configDir = Check.notEmpty(configDir, "configDir");
  this.logDir = Check.notEmpty(logDir, "logDir");
  this.tempDir = Check.notEmpty(tempDir, "tempDir");
  checkAbsolutePath(homeDir, "homeDir");
  checkAbsolutePath(configDir, "configDir");
  checkAbsolutePath(logDir, "logDir");
  checkAbsolutePath(tempDir, "tempDir");
  if (config != null) {
    this.config = new Configuration(false);
    ConfigurationUtils.copy(config, this.config);
  }
  status = Status.UNDEF;
}
 

import org.apache.hadoop.lib.util.ConfigurationUtils; //导入依赖的package包/类
@Override
public Configuration getFileSystemConfiguration() {
  Configuration conf = new Configuration(true);
  ConfigurationUtils.copy(serviceHadoopConf, conf);
  conf.setBoolean(FILE_SYSTEM_SERVICE_CREATED, true);

  // Force-clear server-side umask to make HttpFS match WebHDFS behavior
  conf.set(FsPermission.UMASK_LABEL, "000");

  return conf;
}
 

import org.apache.hadoop.lib.util.ConfigurationUtils; //导入依赖的package包/类
@Override
public Configuration getFileSystemConfiguration() {
  Configuration conf = new Configuration(true);
  ConfigurationUtils.copy(serviceHadoopConf, conf);
  conf.setBoolean(FILE_SYSTEM_SERVICE_CREATED, true);
  return conf;
}
 

import org.apache.hadoop.lib.util.ConfigurationUtils; //导入依赖的package包/类
@Override
protected void init() throws ServiceException {
  Configuration hConf = new Configuration(false);
  ConfigurationUtils.copy(getServiceConfig(), hConf);
  hGroups = new org.apache.hadoop.security.Groups(hConf);
}
 

import org.apache.hadoop.lib.util.ConfigurationUtils; //导入依赖的package包/类
/**
 * Creates a server instance.
 * <p/>
 * It uses the provided configuration instead loading it from the config dir.
 *
 * @param name
 *     server name.
 * @param homeDir
 *     server home directory.
 * @param configDir
 *     config directory.
 * @param logDir
 *     log directory.
 * @param tempDir
 *     temp directory.
 * @param config
 *     server configuration.
 */
public Server(String name, String homeDir, String configDir, String logDir,
    String tempDir, Configuration config) {
  this.name = Check.notEmpty(name, "name").trim().toLowerCase();
  this.homeDir = Check.notEmpty(homeDir, "homeDir");
  this.configDir = Check.notEmpty(configDir, "configDir");
  this.logDir = Check.notEmpty(logDir, "logDir");
  this.tempDir = Check.notEmpty(tempDir, "tempDir");
  checkAbsolutePath(homeDir, "homeDir");
  checkAbsolutePath(configDir, "configDir");
  checkAbsolutePath(logDir, "logDir");
  checkAbsolutePath(tempDir, "tempDir");
  if (config != null) {
    this.config = new Configuration(false);
    ConfigurationUtils.copy(config, this.config);
  }
  status = Status.UNDEF;
}
 

import org.apache.hadoop.lib.util.ConfigurationUtils; //导入依赖的package包/类
/**
 * Initializes the service.
 * <p/>
 * It collects all service properties (properties having the
 * <code>#SERVER#.#SERVICE#.</code> prefix). The property names are then
 * trimmed from the <code>#SERVER#.#SERVICE#.</code> prefix.
 * <p/>
 * After collecting  the service properties it delegates to the
 * {@link #init()} method.
 *
 * @param server
 *     the server initializing the service, give access to the
 *     server context.
 * @throws ServiceException
 *     thrown if the service could not be initialized.
 */
@Override
public final void init(Server server) throws ServiceException {
  this.server = server;
  String servicePrefix = getPrefixedName("");
  serviceConfig = new Configuration(false);
  for (Map.Entry<String, String> entry : ConfigurationUtils
      .resolve(server.getConfig())) {
    String key = entry.getKey();
    if (key.startsWith(servicePrefix)) {
      serviceConfig
          .set(key.substring(servicePrefix.length()), entry.getValue());
    }
  }
  init();
}
 

import org.apache.hadoop.lib.util.ConfigurationUtils; //导入依赖的package包/类
/**
 * Initializes the service.
 * <p>
 * It collects all service properties (properties having the
 * <code>#SERVER#.#SERVICE#.</code> prefix). The property names are then
 * trimmed from the <code>#SERVER#.#SERVICE#.</code> prefix.
 * <p>
 * After collecting  the service properties it delegates to the
 * {@link #init()} method.
 *
 * @param server the server initializing the service, give access to the
 * server context.
 *
 * @throws ServiceException thrown if the service could not be initialized.
 */
@Override
public final void init(Server server) throws ServiceException {
  this.server = server;
  String servicePrefix = getPrefixedName("");
  serviceConfig = new Configuration(false);
  for (Map.Entry<String, String> entry : ConfigurationUtils.resolve(server.getConfig())) {
    String key = entry.getKey();
    if (key.startsWith(servicePrefix)) {
      serviceConfig.set(key.substring(servicePrefix.length()), entry.getValue());
    }
  }
  init();
}
 

import org.apache.hadoop.lib.util.ConfigurationUtils; //导入依赖的package包/类
/**
 * Initializes the service.
 * <p/>
 * It collects all service properties (properties having the
 * <code>#SERVER#.#SERVICE#.</code> prefix). The property names are then
 * trimmed from the <code>#SERVER#.#SERVICE#.</code> prefix.
 * <p/>
 * After collecting  the service properties it delegates to the
 * {@link #init()} method.
 *
 * @param server the server initializing the service, give access to the
 * server context.
 *
 * @throws ServiceException thrown if the service could not be initialized.
 */
@Override
public final void init(Server server) throws ServiceException {
  this.server = server;
  String servicePrefix = getPrefixedName("");
  serviceConfig = new Configuration(false);
  for (Map.Entry<String, String> entry : ConfigurationUtils.resolve(server.getConfig())) {
    String key = entry.getKey();
    if (key.startsWith(servicePrefix)) {
      serviceConfig.set(key.substring(servicePrefix.length()), entry.getValue());
    }
  }
  init();
}