LocalHostnameResolver.java

/**
 * Copyright (c) Istituto Nazionale di Fisica Nucleare, 2006-2014.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.italiangrid.voms.ac.impl;

import java.net.UnknownHostException;

/**
 * A {@link LocalHostnameResolver} resolves the localhost host name.
 *
 */
public interface LocalHostnameResolver {

  /**
   * Resolves the hostname for localhost
   * 
   * @return a String containing the localhost hostname
   * @throws UnknownHostException
   *           when there is an error resolving the hostname
   */
  public String resolveLocalHostname() throws UnknownHostException;

}