| /* |
| * 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.ode.utils.cli; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class Flag implements CommandlineFragment { |
| |
| private String _name; |
| private boolean _isSet; |
| private String _description; |
| private boolean _isOptional; |
| |
| public Flag(String name, String description, boolean optional) { |
| _name = COMMAND_PREFIX + name; |
| _description = description; |
| _isSet = false; |
| _isOptional = optional; |
| } |
| |
| public void reset() { |
| _isSet = false; |
| } |
| |
| public boolean isOptional() { |
| return _isOptional; |
| } |
| public List<String> consume(List<String> s) throws CommandlineSyntaxException { |
| _isSet = s.contains(_name); |
| if (!_isSet && !_isOptional) { |
| throw new CommandlineSyntaxException("The " + _name + " flag is required."); |
| } |
| ArrayList<String> l = new ArrayList<String>(s); |
| l.remove(_name); |
| if (l.contains(_name)) { |
| throw new CommandlineSyntaxException("The " + _name + " flag can appear at most once."); |
| } |
| return l; |
| } |
| |
| public boolean isSet() { |
| return _isSet; |
| } |
| |
| public String getUsage() { |
| return _name; |
| } |
| |
| public String getDescription() { |
| return _description; |
| } |
| |
| public boolean validate() { |
| return true; |
| } |
| } |