Java BufferedInputStream Copy copyFile(String source, String destination)

Description

Copy resources from a source to a destination.

License

Open Source License

Parameter

Parameter	Description
source	source file path
destination	destination location or file path

Return

final destination File instance

Declaration

public static File copyFile(String source, String destination) throws IOException 

Method Source Code

//package com.java2s;
/*//from ww  w .  java  2s.  c o m
 * Copyright (c) 2007-2016 AREasy Runtime
 *
 * This library, AREasy Runtime and API for BMC Remedy AR System, is free software ("Licensed Software");
 * you can redistribute it and/or modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either version 2.1 of the License,
 * or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * including but not limited to, the implied warranty of MERCHANTABILITY, NONINFRINGEMENT,
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
 */

import java.io.*;

public class Main {
    public static final int BUFFER_SIZE = 4096;

    /**
     * Copy resources from a source to a destination.
     * <p/>
     * If destination doesn't exists will be created. <br/>
     * If destination is directory will be appended source file name and will be created.
     *
     * @param source source file path
     * @param destination destination location or file path
     * @return final destination <Code>File</Code> instance
     */
    public static File copyFile(String source, String destination) throws IOException {
        return copyFile(new File(source), new File(destination));
    }

    /**
     * Copy resources from a source to a destination.
     * <p/>
     * If destination doesn't exists will be created. <br/>
     * If destination is directory will be appended source file name and will be created.
     *
     * @param sourceFile source file entity
     * @param destFile destination folder entity of real destination file entity
     * @return final destination <Code>File</Code> instance
     */
    public static File copyFile(File sourceFile, File destFile) throws IOException {
        byte[] buffer = new byte[BUFFER_SIZE];
        BufferedInputStream input;
        BufferedOutputStream output;

        //check if destination is directory.
        if (destFile.exists() && destFile.isDirectory()) {
            String destination = destFile.getPath() + File.separator + sourceFile.getName();
            destFile = new File(destination);
        }

        //check if destination location doesn't exists.
        if (!destFile.getParentFile().exists())
            destFile.getParentFile().mkdirs();

        //check if destination file exists.
        if (!destFile.exists())
            destFile.createNewFile();

        input = new BufferedInputStream(new FileInputStream(sourceFile));
        output = new BufferedOutputStream(new FileOutputStream(destFile));

        int bytesRead;

        while ((bytesRead = input.read(buffer)) != -1) {
            output.write(buffer, 0, bytesRead);
        }

        input.close();
        output.close();

        return destFile;
    }
}

Related

1. copyFile(String fileName, File sourceRoot, File targetRoot, Set copied)
2. copyFile(String from, String to)
3. copyFile(String fromFile, String toFile)
4. copyFile(String source, String dest)
5. copyFile(String source, String destination)
6. copyFile(String sourceFilePath, String destinationFilePath)
7. copyFile(String src, String dest)
8. copyFileBytes(String srcFileName, String tarFileName)
9. copyFileFromStream(InputStream in, File dest)