Java FileInputStream Copy copyFile(String sourceFile, String targetFolder)

Description

Copies a source file to a target folder

License

Open Source License

Parameter

Parameter	Description
sourceFile	the source file
targetFolder	the target folder

Exception

Parameter	Description
FileNotFoundException	an exception
IOException	an exception

Declaration

public static void copyFile(String sourceFile, String targetFolder) throws FileNotFoundException, IOException 

Method Source Code

//package com.java2s;
/******************************************************************************
 * Copyright (c) 2002, 2004 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
 *
 * Contributors://from ww  w  . j  a v a  2  s.  c  o m
 *    IBM Corporation - initial API and implementation 
 ****************************************************************************/

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class Main {
    /**
     * Copies a source file to a target folder
     * 
     * @param sourceFile
     *            the source file
     * @param targetFolder
     *            the target folder
     * @throws FileNotFoundException
     * @throws IOException
     */
    public static void copyFile(String sourceFile, String targetFolder) throws FileNotFoundException, IOException {
        assert (new File(sourceFile).isFile());
        assert (new File(targetFolder).isDirectory());

        File source = new File(sourceFile);
        copyFile(source.getParent(), targetFolder, source.getName());
    }

    /**
     * Copies a file in a source folder to a target folder
     * 
     * @param sourceFolder
     *            the source folder
     * @param targetFolder
     *            the target folder
     * @param name
     *            the file to copy
     * @throws FileNotFoundException
     * @throws IOException
     */
    private static void copyFile(String sourceFolder, String targetFolder, String name)
            throws FileNotFoundException, IOException {
        copyFile(sourceFolder, targetFolder, name, name);
    }

    /**
     * Copies a file in a source folder to a target folder
     * 
     * @param sourceFolder
     *            the source folder
     * @param targetFolder
     *            the target folder
     * @param sourceName
     *            of the source file to copy
     * @param targetName
     *            of the destination file to copy to
     * @throws FileNotFoundException
     * @throws IOException
     */
    public static void copyFile(String sourceFolder, String targetFolder, String sourceName, String targetName)
            throws FileNotFoundException, IOException {
        InputStream is = new FileInputStream(sourceFolder + File.separator + sourceName);
        OutputStream os = new FileOutputStream(targetFolder + File.separator + targetName);
        byte[] buffer = new byte[102400];
        while (true) {
            int len = is.read(buffer);
            if (len < 0)
                break;
            os.write(buffer, 0, len);
        }
        is.close();
        os.close();
    }
}

Related

1. copyFile(String sourceFile, String destDir, String newFileName)
2. copyFile(String sourceFile, String destFile)
3. copyFile(String sourceFile, String targetFile)
4. copyFile(String sourcefile, String targetfile)
5. copyFile(String sourcefile, String targetFile)
6. copyFile(String sourceFile, String targetFolder)
7. copyFile(String sourceFilePath, String destinationFilePath)
8. CopyFile(String sourceFilePath, String destinationFilePath)
9. copyFile(String sourceFilePath, String destinationFilePath)