1 /* 2 * Copyright (C) 2012 The Android Open Source Project 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 util.build; 18 19 import java.io.BufferedReader; 20 import java.io.IOException; 21 import java.io.InputStream; 22 import java.io.InputStreamReader; 23 import java.io.PrintStream; 24 25 import javax.annotation.Nonnull; 26 27 /** 28 * Class that continuously read an {@link InputStream} and optionally could print the input in a 29 * {@link PrintStream}. 30 */ 31 public class CharactersStreamSucker { 32 33 @Nonnull 34 private final BufferedReader ir; 35 36 @Nonnull 37 private final PrintStream os; 38 39 private final boolean toBeClose; 40 41 public CharactersStreamSucker( 42 @Nonnull InputStream is, @Nonnull PrintStream os, boolean toBeClose) { 43 this.ir = new BufferedReader(new InputStreamReader(is)); 44 this.os = os; 45 this.toBeClose = toBeClose; 46 } 47 48 public CharactersStreamSucker(@Nonnull InputStream is, @Nonnull PrintStream os) { 49 this(is, os, false); 50 } 51 52 public void suck() throws IOException { 53 String line; 54 55 try { 56 while ((line = ir.readLine()) != null) { 57 os.println(line); 58 } 59 } finally { 60 if (toBeClose) { 61 os.close(); 62 } 63 } 64 } 65 }
