Java Copy Directory copyDirectory(final String sourceDir, final String targetDir)

Description

Copy a directory

License

Open Source License

Parameter

Parameter	Description
sourceDir	a parameter
targetDir	a parameter

Exception

Parameter	Description
IOException	an exception

Declaration

protected static void copyDirectory(final String sourceDir, final String targetDir) throws IOException 

Method Source Code

//package com.java2s;
/**//from   ww  w. j ava2 s.com
 * Copyright (C) 2011 BonitaSoft S.A.
 * BonitaSoft, 32 rue Gustave Eiffel - 38000 Grenoble
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2.0 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

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

public class Main {
    /**
     * Copy a directory
     *
     * @param sourceDir
     * @param targetDir
     * @throws IOException
     */
    protected static void copyDirectory(final String sourceDir, final String targetDir) throws IOException {
        // new target folder
        new File(targetDir).mkdirs();

        // get the file or folder of sorcefolder
        final File[] file = new File(sourceDir).listFiles();
        for (int i = 0; i < file.length; i++) {
            if (file[i].isFile()) {
                final File sourceFile = file[i];
                final File targetFile = new File(
                        new File(targetDir).getAbsolutePath() + File.separator + file[i].getName());
                copyFile(sourceFile, targetFile);
            }
            if (file[i].isDirectory()) {
                final String dir1 = sourceDir + File.separator + file[i].getName();
                final String dir2 = targetDir + File.separator + file[i].getName();
                copyDirectory(dir1, dir2);
            }
        }
    }

    /**
     * Copy file
     *
     * @param sourceFile
     * @param targetFile
     * @throws IOException
     */
    protected static void copyFile(final File sourceFile, final File targetFile) throws IOException {
        BufferedInputStream inBuff = null;
        BufferedOutputStream outBuff = null;
        FileInputStream input = null;
        FileOutputStream output = null;
        try {
            input = new FileInputStream(sourceFile);
            inBuff = new BufferedInputStream(input);

            output = new FileOutputStream(targetFile);
            outBuff = new BufferedOutputStream(output);

            final byte[] b = new byte[1024 * 5];
            int len;
            while ((len = inBuff.read(b)) != -1) {
                outBuff.write(b, 0, len);
            }
            outBuff.flush();
        } finally {
            if (inBuff != null) {
                inBuff.close();
            }
            if (outBuff != null) {
                outBuff.close();
            }
            if (output != null) {
                output.close();
            }
            if (input != null) {
                input.close();
            }
        }
    }
}

Related

1. copyDirectory(File srcFile, File destFile)
2. copyDirectory(File srcPath, File dstPath)
3. copyDirectory(File srcPath, File dstPath)
4. copyDirectory(final File sourceDir, final File destDir)
5. copyDirectory(final File src, final File dest)
6. copyDirectory(String sourceDir, String targetDir)
7. copyDirectory(String srcDir, String destDir)
8. copyDirectoryAndOverwriteFilesIfNeeded(File srcDir, File destDir)
9. copyDirectoryContent(File srcPath, File targetPath)