Java Check.notEmpty方法代码示例

import org.apache.hadoop.lib.util.Check; //导入方法依赖的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.Check; //导入方法依赖的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.Check; //导入方法依赖的package包/类
@Override
public void validate(String proxyUser, String proxyHost, String doAsUser) throws IOException,
  AccessControlException {
  Check.notEmpty(proxyUser, "proxyUser");
  Check.notEmpty(proxyHost, "proxyHost");
  Check.notEmpty(doAsUser, "doAsUser");
  LOG.debug("Authorization check proxyuser [{}] host [{}] doAs [{}]",
            new Object[]{proxyUser, proxyHost, doAsUser});
  if (proxyUserHosts.containsKey(proxyUser)) {
    proxyHost = normalizeHostname(proxyHost);
    validateRequestorHost(proxyUser, proxyHost, proxyUserHosts.get(proxyUser));
    validateGroup(proxyUser, doAsUser, proxyUserGroups.get(proxyUser));
  } else {
    throw new AccessControlException(MessageFormat.format("User [{0}] not defined as proxyuser", proxyUser));
  }
}
 

import org.apache.hadoop.lib.util.Check; //导入方法依赖的package包/类
@Override
public void validate(String proxyUser, String proxyHost, String doAsUser)
    throws IOException, AccessControlException {
  Check.notEmpty(proxyUser, "proxyUser");
  Check.notEmpty(proxyHost, "proxyHost");
  Check.notEmpty(doAsUser, "doAsUser");
  LOG.debug("Authorization check proxyuser [{}] host [{}] doAs [{}]",
      new Object[]{proxyUser, proxyHost, doAsUser});
  if (proxyUserHosts.containsKey(proxyUser)) {
    proxyHost = normalizeHostname(proxyHost);
    validateRequestorHost(proxyUser, proxyHost,
        proxyUserHosts.get(proxyUser));
    validateGroup(proxyUser, doAsUser, proxyUserGroups.get(proxyUser));
  } else {
    throw new AccessControlException(MessageFormat
        .format("User [{0}] not defined as proxyuser", proxyUser));
  }
}
 

import org.apache.hadoop.lib.util.Check; //导入方法依赖的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.Check; //导入方法依赖的package包/类
/**
 * Convenience method that returns a resource as inputstream from the
 * classpath.
 * <p>
 * It first attempts to use the Thread's context classloader and if not
 * set it uses the <code>ClassUtils</code> classloader.
 *
 * @param name resource to retrieve.
 *
 * @return inputstream with the resource, NULL if the resource does not
 *         exist.
 */
static InputStream getResource(String name) {
  Check.notEmpty(name, "name");
  ClassLoader cl = Thread.currentThread().getContextClassLoader();
  if (cl == null) {
    cl = Server.class.getClassLoader();
  }
  return cl.getResourceAsStream(name);
}
 

import org.apache.hadoop.lib.util.Check; //导入方法依赖的package包/类
/**
 * Convenience method that returns a resource as inputstream from the
 * classpath.
 * <p/>
 * It first attempts to use the Thread's context classloader and if not
 * set it uses the <code>ClassUtils</code> classloader.
 *
 * @param name resource to retrieve.
 *
 * @return inputstream with the resource, NULL if the resource does not
 *         exist.
 */
static InputStream getResource(String name) {
  Check.notEmpty(name, "name");
  ClassLoader cl = Thread.currentThread().getContextClassLoader();
  if (cl == null) {
    cl = Server.class.getClassLoader();
  }
  return cl.getResourceAsStream(name);
}
 

import org.apache.hadoop.lib.util.Check; //导入方法依赖的package包/类
/**
 * Convenience method that returns a resource as inputstream from the
 * classpath.
 * <p/>
 * It first attempts to use the Thread's context classloader and if not
 * set it uses the <code>ClassUtils</code> classloader.
 *
 * @param name
 *     resource to retrieve.
 * @return inputstream with the resource, NULL if the resource does not
 * exist.
 */
static InputStream getResource(String name) {
  Check.notEmpty(name, "name");
  ClassLoader cl = Thread.currentThread().getContextClassLoader();
  if (cl == null) {
    cl = Server.class.getClassLoader();
  }
  return cl.getResourceAsStream(name);
}
 

import org.apache.hadoop.lib.util.Check; //导入方法依赖的package包/类
/**
 * Returns the prefixed name of a server property.
 *
 * @param name of the property.
 *
 * @return prefixed name of the property.
 */
public String getPrefixedName(String name) {
  return getPrefix() + "." + Check.notEmpty(name, "name");
}
 

import org.apache.hadoop.lib.util.Check; //导入方法依赖的package包/类
/**
 * Returns the prefixed name of a server property.
 *
 * @param name
 *     of the property.
 * @return prefixed name of the property.
 */
public String getPrefixedName(String name) {
  return getPrefix() + "." + Check.notEmpty(name, "name");
}