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 public class StringBuilderPrinter implements Printer {
24     private final StringBuilder mBuilder;
25 
26     /**
27      * Create a new Printer that sends to a StringBuilder object.
28      *
29      * @param builder The StringBuilder where you would like output to go.
30      */
StringBuilderPrinter(StringBuilder builder)31     public StringBuilderPrinter(StringBuilder builder) {
32         mBuilder = builder;
33     }
34 
println(String x)35     public void println(String x) {
36         mBuilder.append(x);
37         int len = x.length();
38         if (len <= 0 || x.charAt(len-1) != '\n') {
39             mBuilder.append('\n');
40         }
41     }
42 }
43