/*
*
* Copyright (c) 2015, alipay.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alipay.euler.andfix.util;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.channels.FileChannel;
import android.util.Log;
/**
* file utility
*
* @author sanping.li@alipay.com
*
*/
public class FileUtil {
/**
*
* copy file
*
* @param src
* source file
* @param dest
* target file
* @throws IOException
*/
public static void copyFile(File src, File dest) throws IOException {
Log.d("euler", "FileUtil, copyFile");
FileChannel inChannel = null;
FileChannel outChannel = null;
try {
if (!dest.exists()) {
dest.createNewFile();
}
inChannel = new FileInputStream(src).getChannel();
outChannel = new FileOutputStream(dest).getChannel();
inChannel.transferTo(0, inChannel.size(), outChannel);
} finally {
if (inChannel != null) {
inChannel.close();
}
if (outChannel != null) {
outChannel.close();
}
}
}
/**
* delete file
*
* @param file
* file
* @return true if delete success
*/
public static boolean deleteFile(File file) {
Log.d("euler", "FileUtil, deleteFile");
if (!file.exists()) {
return true;
}
if (file.isDirectory()) {
File[] files = file.listFiles();
for (File f : files) {
deleteFile(f);
}
}
return file.delete();
}
}