1 /* 2 * Copyright (C) 2013 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 15 package com.google.caliper.util; 16 17 import static com.google.common.base.Preconditions.checkNotNull; 18 19 import dagger.Module; 20 import dagger.Provides; 21 22 import java.io.PrintWriter; 23 24 /** 25 * A module that binds {@link PrintWriter} instances for {@link Stdout} and {@link Stderr}. 26 */ 27 @Module 28 public final class OutputModule { 29 public static OutputModule system() { 30 return new OutputModule(new PrintWriter(System.out, true), new PrintWriter(System.err, true)); 31 } 32 33 private final PrintWriter stdout; 34 private final PrintWriter stderr; 35 36 public OutputModule(PrintWriter stdout, PrintWriter stderr) { 37 this.stdout = checkNotNull(stdout); 38 this.stderr = checkNotNull(stderr); 39 } 40 41 @Provides @Stdout PrintWriter provideStdoutWriter() { 42 return stdout; 43 } 44 45 @Provides @Stderr PrintWriter provideStderr() { 46 return stderr; 47 } 48 } 49
