1 /* 2 * Copyright (C) 2006 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 android.util; 18 19 /** 20 * Implementation of a {@link android.util.Printer} that sends its output 21 * to a {@link StringBuilder}. 22 */ 23 @android.ravenwood.annotation.RavenwoodKeepWholeClass 24 public class StringBuilderPrinter implements Printer { 25 private final StringBuilder mBuilder; 26 27 /** 28 * Create a new Printer that sends to a StringBuilder object. 29 * 30 * @param builder The StringBuilder where you would like output to go. 31 */ StringBuilderPrinter(StringBuilder builder)32 public StringBuilderPrinter(StringBuilder builder) { 33 mBuilder = builder; 34 } 35 println(String x)36 public void println(String x) { 37 mBuilder.append(x); 38 int len = x.length(); 39 if (len <= 0 || x.charAt(len-1) != '\n') { 40 mBuilder.append('\n'); 41 } 42 } 43 } 44