| // 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 common.opt; |
| |
| public class StringOption extends Option { |
| public String value = ""; |
| |
| @Override |
| public int parse(int position, String[] args) { |
| if (position + 1 >= args.length) |
| throw new NoArgumentForOptionException("Cannot find required argument for option \"" + args[position] + "\"."); |
| |
| value = args[position + 1]; |
| return super.parse(position, args) + 1; |
| } |
| |
| @Override |
| public String help() { |
| StringBuilder help = new StringBuilder(); |
| help.append(join("|", name, alias, aliases)).append(" VALUE\t").append(description); |
| if (required) |
| help.append(" Required."); |
| else if (value != null && value.length() > 0) |
| help.append(" Default value is \"").append(value).append("\"."); |
| return help.toString(); |
| } |
| } |