| /** |
| * 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; |
| |
| import org.apache.hadoop.fs.Path; |
| |
| /** Destination path parameter. */ |
| public class DestinationParam extends StringParam { |
| /** Parameter name. */ |
| public static final String NAME = "destination"; |
| /** Default parameter value. */ |
| public static final String DEFAULT = ""; |
| |
| private static final Domain DOMAIN = new Domain(NAME, null); |
| |
| private static String validate(final String str) { |
| if (str == null || str.equals(DEFAULT)) { |
| return null; |
| } |
| if (!str.startsWith(Path.SEPARATOR)) { |
| throw new IllegalArgumentException("Invalid parameter value: " + NAME |
| + " = \"" + str + "\" is not an absolute path."); |
| } |
| return new Path(str).toUri().getPath(); |
| } |
| |
| /** |
| * Constructor. |
| * @param str a string representation of the parameter value. |
| */ |
| public DestinationParam(final String str) { |
| super(DOMAIN, validate(str)); |
| } |
| |
| @Override |
| public String getName() { |
| return NAME; |
| } |
| } |