| // Copyright 2017 The Bazel Authors. All rights reserved. |
| // |
| // Licensed 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 com.google.devtools.build.benchmark; |
| |
| import com.google.devtools.common.options.Converter; |
| import com.google.devtools.common.options.OptionsParsingException; |
| |
| /** |
| * A converter class that convert an input string to a {@link VersionFilter} object. |
| */ |
| public class VersionFilterConverter implements Converter<VersionFilter> { |
| |
| public VersionFilterConverter() { |
| super(); |
| } |
| |
| @Override |
| public VersionFilter convert(String input) throws OptionsParsingException { |
| if (input.isEmpty()) { |
| return null; |
| } |
| |
| String[] parts = input.split("\\.\\."); |
| if (parts.length != 2) { |
| throw new OptionsParsingException("Error parsing version_filter option: no '..' found."); |
| } |
| if (parts[0].isEmpty()) { |
| throw new OptionsParsingException( |
| "Error parsing version_filter option: start version not found"); |
| } |
| if (parts[1].isEmpty()) { |
| throw new OptionsParsingException( |
| "Error parsing version_filter option: end version not found"); |
| } |
| |
| return VersionFilter.create(parts[0], parts[1]); |
| } |
| |
| @Override |
| public String getTypeDescription() { |
| return "A version filter in format: <start version>..<end version>"; |
| } |
| |
| } |