Java FileInputStream Copy copyFile(File srcFile, File destFile, boolean recursive)

Description

copy File

License

Open Source License

Declaration

public static void copyFile(File srcFile, File destFile, boolean recursive) throws IOException 

Method Source Code

//package com.java2s;
/*/*from   w w w .  j av  a 2 s  .  c om*/
 *  Copyright 2002-2010 The Rector and Visitors of the
 *                      University of Virginia. All rights reserved.
 *
 *  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.
 *
 */

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class Main {
    public static void copyFile(File srcFile, File destFile, boolean recursive) throws IOException {
        if (recursive) {
            if (!destFile.isDirectory()) {
                throw new IOException("Destination must be a directory.");
            }
            copyFileR(srcFile, destFile);
        } else {
            copyFile(srcFile, destFile);
        }
    }

    private static void copyFile(File srcFile, File destFile) throws IOException {
        File testFile = destFile.getParentFile();
        if (testFile.exists() == false) {
            testFile.mkdirs();
        }

        FileInputStream srcStream = null;
        FileOutputStream destStream = null;
        srcStream = new FileInputStream(srcFile);
        destStream = new FileOutputStream(destFile);

        byte[] buf = new byte[65535];
        int bytesRead;

        while (true) {
            bytesRead = srcStream.read(buf);
            if (bytesRead == -1) {
                break;
            } else {
                destStream.write(buf, 0, bytesRead);
            }
        }
    }

    private static void copyFileR(File srcFile, File destDirectory) throws IOException {
        File destFile = new File(destDirectory.getAbsolutePath() + File.separator + srcFile.getName());
        if (srcFile.isDirectory()) {
            destFile.mkdir();
            File[] fileList = srcFile.listFiles();
            for (int i = 0; i < fileList.length; i++) {
                File file = fileList[i];
                copyFileR(file, destFile);
            }
        } else {
            copyFile(srcFile, destFile);
        }
    }
}

Related

1. copyFile(File srcFile, File destFile)
2. copyFile(File srcFile, File destFile)
3. copyFile(File srcFile, File destFile)
4. copyFile(File srcFile, File destFile)
5. copyFile(File srcFile, File destFile)
6. copyFile(File srcFile, File dstFile)
7. copyFile(File srcFile, File dstFile)
8. copyFile(File srcFile, File dstFile)
9. copyFile(File srcFile, File dstFile)