1 /* 2 * Copyright (C) 2015 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.caliper.runner; 18 19 import com.google.caliper.options.CaliperOptions; 20 import com.google.caliper.util.InvalidCommandException; 21 import com.google.caliper.util.Util; 22 import dagger.Module; 23 import dagger.Provides; 24 import javax.inject.Singleton; 25 26 /** 27 * Provides bindings to integrate other modules into the {@link MainComponent}. 28 */ 29 @Module 30 class MainModule { 31 benchmarkClassForName(String className)32 private static Class<?> benchmarkClassForName(String className) 33 throws InvalidCommandException, UserCodeException { 34 try { 35 return Util.lenientClassForName(className); 36 } catch (ClassNotFoundException e) { 37 throw new InvalidCommandException("Benchmark class not found: " + className); 38 } catch (ExceptionInInitializerError e) { 39 throw new UserCodeException( 40 "Exception thrown while initializing class '" + className + "'", e.getCause()); 41 } catch (NoClassDefFoundError e) { 42 throw new UserCodeException("Unable to load " + className, e); 43 } 44 } 45 46 @Provides 47 @Singleton 48 @Running.BenchmarkClass provideBenchmarkClass(CaliperOptions options)49 static Class<?> provideBenchmarkClass(CaliperOptions options) { 50 return benchmarkClassForName(options.benchmarkClassName()); 51 } 52 } 53