001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019package org.apache.hadoop.hdfs.web.resources;
020
021import org.apache.hadoop.hdfs.web.resources.StringParam;
022
023public class TokenServiceParam extends StringParam {
024
025  /** Parameter name */
026  public static final String NAME = "service";
027  /** Default parameter value. */
028  public static final String DEFAULT = NULL;
029
030  private static final StringParam.Domain DOMAIN = new StringParam.Domain(NAME, null);
031
032  /**
033   * Constructor.
034   * @param str a string representation of the parameter value.
035   */
036  public TokenServiceParam(final String str) {
037    super(DOMAIN, str == null || str.equals(DEFAULT)? null: str);
038  }
039
040  @Override
041  public String getName() {
042    return NAME;
043  }
044}