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
020/** The FileSystem path parameter. */
021public class UriFsPathParam extends StringParam {
022  /** Parameter name. */
023  public static final String NAME = "path";
024
025  private static final Domain DOMAIN = new Domain(NAME, null);
026
027  /**
028   * Constructor.
029   * @param str a string representation of the parameter value.
030   */
031  public UriFsPathParam(String str) {
032    super(DOMAIN, str);
033  }
034
035  @Override
036  public String getName() {
037    return NAME;
038  }
039
040  /** @return the absolute path. */
041  public final String getAbsolutePath() {
042    final String path = getValue(); //The first / has been stripped out.
043    return path == null? null: "/" + path;
044  }
045}