| /* |
| * Copyright (C) 2012 Google Inc. |
| * |
| * 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.caliper.options; |
| |
| import com.google.caliper.util.InvalidCommandException; |
| |
| import dagger.Module; |
| import dagger.Provides; |
| |
| import java.io.File; |
| |
| import javax.inject.Singleton; |
| |
| /** |
| * Bindings for Caliper command line options. |
| */ |
| @Module |
| public final class OptionsModule { |
| |
| private static final String[] EMPTY_ARGS = new String[] {}; |
| |
| private final String[] args; |
| |
| private boolean requireBenchmarkClassName; |
| |
| /** |
| * Return a module that will provide access to configuration options and the name of the |
| * benchmark class. |
| * |
| * @param args the arguments from which the configuration options and the benchmark class name |
| * are parsed; must have one non-option value that is the benchmark class name. |
| */ |
| public static OptionsModule withBenchmarkClass(String [] args) { |
| return new OptionsModule(args, true); |
| } |
| |
| /** |
| * Return a module that will provide access to configuration options without the name of the |
| * benchmark class. |
| * |
| * @param args the arguments from which the configuration options are parsed; it must have no |
| * non-option values. |
| */ |
| public static OptionsModule withoutBenchmarkClass(String [] args) { |
| return new OptionsModule(args, false); |
| } |
| |
| /** |
| * Return a module that will provide access to the default configuration options. |
| */ |
| public static OptionsModule defaultOptionsModule() { |
| return new OptionsModule(EMPTY_ARGS, false); |
| } |
| |
| public OptionsModule(String[] args, boolean requireBenchmarkClassName) { |
| this.args = args.clone(); // defensive copy, just in case |
| this.requireBenchmarkClassName = requireBenchmarkClassName; |
| } |
| |
| @Provides |
| @Singleton |
| CaliperOptions provideOptions() throws InvalidCommandException { |
| return ParsedOptions.from(args, requireBenchmarkClassName); |
| } |
| |
| @Provides @CaliperDirectory static File provideCaliperDirectory(CaliperOptions options) { |
| return options.caliperDirectory(); |
| } |
| } |