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 */
018package org.apache.hadoop.hdfs.web.resources;
019
020import org.apache.hadoop.fs.XAttrCodec;
021
022public class XAttrEncodingParam extends EnumParam<XAttrCodec> {
023  /** Parameter name. */
024  public static final String NAME = "encoding";
025  /** Default parameter value. */
026  public static final String DEFAULT = "";
027
028  private static final Domain<XAttrCodec> DOMAIN =
029      new Domain<>(NAME, XAttrCodec.class);
030
031  public XAttrEncodingParam(final XAttrCodec encoding) {
032    super(DOMAIN, encoding);
033  }
034
035  /**
036   * Constructor.
037   * @param str a string representation of the parameter value.
038   */
039  public XAttrEncodingParam(final String str) {
040    super(DOMAIN, str != null && !str.isEmpty() ? DOMAIN.parse(str) : null);
041  }
042
043  @Override
044  public String getName() {
045    return NAME;
046  }
047
048  @Override
049  public String getValueString() {
050    return value.toString();
051  }
052
053  public XAttrCodec getEncoding() {
054    return getValue();
055  }
056}