| /** |
| * 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.permission.FsPermission; |
| |
| /** Permission parameter, use a Short to represent a FsPermission. */ |
| public class PermissionParam extends ShortParam { |
| /** Parameter name. */ |
| public static final String NAME = "permission"; |
| /** Default parameter value. */ |
| public static final String DEFAULT = NULL; |
| |
| private static final Domain DOMAIN = new Domain(NAME, 8); |
| |
| private static final short DEFAULT_PERMISSION = 0755; |
| |
| /** @return the default FsPermission. */ |
| public static FsPermission getDefaultFsPermission() { |
| return new FsPermission(DEFAULT_PERMISSION); |
| } |
| |
| /** |
| * Constructor. |
| * @param value the parameter value. |
| */ |
| public PermissionParam(final FsPermission value) { |
| super(DOMAIN, value == null? null: value.toShort(), null, null); |
| } |
| |
| /** |
| * Constructor. |
| * @param str a string representation of the parameter value. |
| */ |
| public PermissionParam(final String str) { |
| super(DOMAIN, DOMAIN.parse(str), (short)0, (short)01777); |
| } |
| |
| @Override |
| public String getName() { |
| return NAME; |
| } |
| |
| /** @return the represented FsPermission. */ |
| public FsPermission getFsPermission() { |
| final Short v = getValue(); |
| return new FsPermission(v != null? v: DEFAULT_PERMISSION); |
| } |
| } |