Android Directory Copy copyDirectory(String sourceDirName, String destinationDirName)

Description

copy Directory

License

Apache License

Declaration

public static void copyDirectory(String sourceDirName,
            String destinationDirName) 

Method Source Code

/*//w ww  .  jav  a 2s  . c  o m
 * Copyright 2004-2005 Germinus XXI, Liferay LLC
 *
 * 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.
 * 
 * This is a derived work from source code taken from Liferay.
 */

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Reader;
import java.nio.channels.FileChannel;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Properties;
import java.util.jar.JarEntry;
import java.util.jar.JarOutputStream;
import org.apache.commons.lang.StringUtils;

public class Main{
    public static void copyDirectory(String sourceDirName,
            String destinationDirName) {

        copyDirectory(new File(sourceDirName), new File(destinationDirName));
    }
    public static void copyDirectory(File source, File destination) {
        if (source.exists() && source.isDirectory()) {
            if (!destination.exists()) {
                destination.mkdirs();
            }

            File[] fileArray = source.listFiles();

            for (int i = 0; i < fileArray.length; i++) {
                if (fileArray[i].isDirectory()) {
                    copyDirectory(fileArray[i],
                            new File(destination.getPath() + File.separator
                                    + fileArray[i].getName()));
                } else {
                    copyFile(fileArray[i], new File(destination.getPath()
                            + File.separator + fileArray[i].getName()));
                }
            }
        }
    }
    public static boolean exists(String fileName) {
        File file = new File(fileName);

        return file.exists();
    }
    public static void mkdirs(String pathName) {
        File file = new File(pathName);
        file.mkdirs();
    }
    public static String[] listFiles(String fileName) throws IOException {
        return listFiles(new File(fileName));
    }
    public static String[] listFiles(File file) throws IOException {
        List files = new ArrayList();

        File[] fileArray = file.listFiles();

        for (int i = 0; i < fileArray.length; i++) {
            if (fileArray[i].isFile()) {
                files.add(fileArray[i].getName());
            }
        }

        return (String[]) files.toArray(new String[0]);
    }
    public static String getPath(String fullFileName) {
        int pos = fullFileName.lastIndexOf("/");

        if (pos == -1) {
            pos = fullFileName.lastIndexOf("\\");
        }

        String shortFileName = fullFileName.substring(0, pos);

        if (StringUtils.isEmpty(shortFileName)) {
            return "/";
        }

        return shortFileName;
    }
    public static void copyFile(String sourceFileName,
            String destinationFileName) {

        copyFile(new File(sourceFileName), new File(destinationFileName));
    }
    public static void copyFile(File source, File destination) {
        if (!source.exists()) {
            return;
        }

        if ((destination.getParentFile() != null)
                && (!destination.getParentFile().exists())) {

            destination.getParentFile().mkdirs();
        }

        try {
            FileChannel srcChannel = new FileInputStream(source)
                    .getChannel();
            FileChannel dstChannel = new FileOutputStream(destination)
                    .getChannel();

            dstChannel.transferFrom(srcChannel, 0, srcChannel.size());

            srcChannel.close();
            dstChannel.close();
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }
}

Related

1. copyDirectory(@NotNull String srcDir, @NotNull String dstDir, @NotNull final List excludes)
2. copyDirectory(File from, File to)
3. copyDirectory(File from, File to, byte[] buffer)
4. copyDirectory(File source, File destination)
5. copyDirectory(String from, String to)
6. copyDirectory(File sourceDir, File targetDir)