1 /* 2 * Copyright (C) 2017 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 com.googlecode.android_scripting; 18 19 import java.io.BufferedInputStream; 20 import java.io.BufferedOutputStream; 21 import java.io.IOException; 22 import java.io.InputStream; 23 import java.io.OutputStream; 24 25 public class IoUtils { 26 private static final int BUFFER_SIZE = 1024 * 8; 27 IoUtils()28 private IoUtils() { 29 // Utility class. 30 } 31 copy(InputStream input, OutputStream output)32 public static int copy(InputStream input, OutputStream output) throws Exception, IOException { 33 byte[] buffer = new byte[BUFFER_SIZE]; 34 35 BufferedInputStream in = new BufferedInputStream(input, BUFFER_SIZE); 36 BufferedOutputStream out = new BufferedOutputStream(output, BUFFER_SIZE); 37 int count = 0, n = 0; 38 try { 39 while ((n = in.read(buffer, 0, BUFFER_SIZE)) != -1) { 40 out.write(buffer, 0, n); 41 count += n; 42 } 43 out.flush(); 44 } finally { 45 try { 46 out.close(); 47 } catch (IOException e) { 48 Log.e(e.getMessage(), e); 49 } 50 try { 51 in.close(); 52 } catch (IOException e) { 53 Log.e(e.getMessage(), e); 54 } 55 } 56 return count; 57 } 58 59 } 60