| /** |
| * 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; |
| |
| /** Boolean parameter. */ |
| abstract class BooleanParam extends Param<Boolean, BooleanParam.Domain> { |
| static final String TRUE = "true"; |
| static final String FALSE = "false"; |
| |
| BooleanParam(final Domain domain, final Boolean value) { |
| super(domain, value); |
| } |
| |
| /** The domain of the parameter. */ |
| static final class Domain extends Param.Domain<Boolean> { |
| Domain(final String paramName) { |
| super(paramName); |
| } |
| |
| @Override |
| public String getDomain() { |
| return "<" + NULL + " | boolean>"; |
| } |
| |
| @Override |
| Boolean parse(final String str) { |
| if (TRUE.equalsIgnoreCase(str)) { |
| return true; |
| } else if (FALSE.equalsIgnoreCase(str)) { |
| return false; |
| } |
| throw new IllegalArgumentException("Failed to parse \"" + str |
| + "\" to Boolean."); |
| } |
| } |
| } |