Java FileInputStream Copy copyFile(String sourceFile, String targetFolder)

Description

copy File

License

Open Source License

Declaration

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

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2009, 2010 Progress Software Corporation.
 * 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
 ******************************************************************************/

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 {
    public static void copyFile(String sourceFile, String targetFolder) throws FileNotFoundException, IOException {
        if (!(new File(sourceFile)).isFile()) {
            throw new AssertionError();
        }//  w  w  w  .ja v  a 2 s .co  m
        if (!(new File(targetFolder)).isDirectory()) {
            throw new AssertionError();
        } else {
            File source = new File(sourceFile);
            copyFile(source.getParent(), targetFolder, source.getName());
            return;
        }
    }

    private static void copyFile(String sourceFolder, String targetFolder, String name)
            throws FileNotFoundException, IOException {
        copyFile(sourceFolder, targetFolder, name, name);
    }

    public static void copyFile(String sourceFolder, String targetFolder, String sourceName, String targetName)
            throws FileNotFoundException, IOException {
        InputStream is = new FileInputStream(getFile(sourceFolder, sourceName));
        OutputStream os = new FileOutputStream(getFile(targetFolder, targetName));
        byte buffer[] = new byte[102400];
        do {
            int len = is.read(buffer);
            if (len >= 0) {
                os.write(buffer, 0, len);
            } else {
                is.close();
                os.close();
                return;
            }
        } while (true);

    }

    protected static String getFile(String sourceFolder, String sourceName) {
        return new File(sourceFolder, sourceName).getAbsolutePath();
        // return (new StringBuilder(String.valueOf(sourceFolder))).append(
        // File.separator).append(sourceName).toString();
    }
}

Related

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