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    package org.apache.hadoop.hdfs.web.resources;
019    
020    /** The FileSystem path parameter. */
021    public 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    }