1 /*
2  * Copyright (C) 2007 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 
18 import java.io.*;
19 
20 /**
21  * File utility methods.
22  */
23 class Files {
24 
25     /**
26      * Reads file into a string using default encoding.
27      */
toString(File file)28     static String toString(File file) throws IOException {
29         char[] buffer = new char[0x1000]; // 4k
30         int read;
31         Reader in = new FileReader(file);
32         StringBuilder builder = new StringBuilder();
33         while ((read = in.read(buffer)) > -1) {
34             builder.append(buffer, 0, read);
35         }
36         in.close();
37         return builder.toString();
38     }
39 
40     /**
41      * Writes a string to a file using default encoding.
42      */
toFile(String contents, File file)43     static void toFile(String contents, File file) throws IOException {
44         FileWriter out = new FileWriter(file);
45         out.write(contents);
46         out.close();
47     }
48 }