Java FileInputStream Copy copyFile(File src, File dst)

Description

copies content of src file to dst

License

Apache License

Parameter

Parameter	Description
src	source file to copy
dst	destination file

Exception

Parameter	Description

Declaration

public static void copyFile(File src, File dst)
   throws IOException
   

Method Source Code

//package com.java2s;
/*//from   ww  w  .j av a2s.c o  m
 *  Copyright 2010 demchuck.dima@gmail.com
 *
 *  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.
 */

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

public class Main {
    /**
     * copies content of src file to dst
     * @param src source file to copy
     * @param dst destination file
     * @throws java.io.IOException
     */
    public static void copyFile(File src, File dst) throws IOException {
        if (dst.exists())
            dst.delete();
        dst.createNewFile();
        InputStream in = new FileInputStream(src);
        saveToFile(in, dst);
        in.close();
    }

    /**
     * saves content of src into dst
     * @param in stream that contains input data
     * @param dst destination file
     * @throws java.io.IOException
     */
    public static void saveToFile(InputStream in, File dst)
            throws IOException {
        if (dst.exists())
            dst.delete();
        dst.createNewFile();
        OutputStream out = new FileOutputStream(dst);

        // Transfer bytes from in to out
        byte[] buf = new byte[1024];
        int len;
        while ((len = in.read(buf)) > 0) {
            out.write(buf, 0, len);
        }
        out.close();
    }
}

Related

1. copyFile(File src, File dst)
2. copyFile(File src, File dst)
3. copyFile(File src, File dst)
4. copyFile(File src, File dst)
5. copyFile(File src, File dst)
6. copyFile(File src, File dst)
7. copyFile(File src, File dst)
8. copyFile(File src, File dst)
9. copyFile(File src, File dst)