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Shaded version of Apache Hadoop for Presto

There is a newer version: 3.2.0-9

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.hadoop.hdfs.web.resources;

/**
 * The snapshot name parameter for createSnapshot and deleteSnapshot operation.
 * Also used to indicate the new snapshot name for renameSnapshot operation.
 */
public class SnapshotNameParam extends StringParam {
  /** Parameter name. */
  public static final String NAME = "snapshotname";

  /** Default parameter value. */
  public static final String DEFAULT = "";

  private static final Domain DOMAIN = new Domain(NAME, null);
  
  public SnapshotNameParam(final String str) {
    super(DOMAIN, str != null && !str.equals(DEFAULT) ? str : null);
  }

  @Override
  public String getName() {
    return NAME;
  }
}