Java Directory Copy copyDirectory(File source, File target)

Description

copy Directory

License

Open Source License

Declaration

public static void copyDirectory(File source, File target) throws IOException 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2005, 2007 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
     /*from   ww w .j ava 2  s  .  co  m*/
 *******************************************************************************/

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Collections;
import java.util.Set;

public class Main {
    public static void copyDirectory(File source, File target) throws IOException {
        copyDirectory(source, target, Collections.<File>emptySet());
    }

    public static void copyDirectory(File source, File target, Set<File> excludes) throws IOException {
        if (!target.exists()) {
            target.mkdirs();
        }
        final File[] files = source.listFiles();
        if (files == null) {
            throw new IllegalStateException("Source directory " + source + " doesn't exist");
        }
        for (int i = 0; i < files.length; i++) {
            final File sourceChild = files[i];
            final String name = sourceChild.getName();
            if (name.equals("CVS") || name.equals(".svn"))
                continue;
            if (excludes.contains(sourceChild))
                continue;
            final File targetChild = new File(target, name);
            if (sourceChild.isDirectory()) {
                copyDirectory(sourceChild, targetChild, excludes);
            } else {
                if (".emptydir".equals(name)) {
                    continue;
                }
                copyFile(sourceChild, targetChild);
            }
        }
    }

    /**
     * Copy file from src (path to the original file) to dest (path to the
     * destination file).
     */
    public static void copyFile(File src, File dest) throws IOException {
        InputStream in = null;
        OutputStream out = null;
        byte[] buffer = new byte[12 * 1024];
        int read;

        try {
            in = new FileInputStream(src);

            try {
                out = new FileOutputStream(dest);

                while ((read = in.read(buffer)) != -1) {
                    out.write(buffer, 0, read);
                }
            } finally {
                if (out != null) {
                    out.close();
                }
            }
        } finally {
            if (in != null) {
                in.close();
            }
        }
    }
}

Related

1. copyDirectory(File source, File destination, String endWith)
2. copyDirectory(File source, File target)
3. copyDirectory(File source, File target)
4. copyDirectory(File source, File target)
5. copyDirectory(File source, File target)
6. copyDirectory(File source, File target)
7. copyDirectory(File sourceDir, File destDir)
8. copyDirectory(File sourceDir, File destDir)
9. copyDirectory(File sourceDir, File destinationDir)