Java FileInputStream Copy copyFile(File src, File dst)

Description

Copies src file to dst file.

License

Open Source License

Declaration

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

Method Source Code

//package com.java2s;
/*/*w w w.  j  ava  2  s. c om*/
*  Copyright (c) 2005-2012, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
*  WSO2 Inc. licenses this file to you 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.*;

public class Main {
    /**
     * Copies src file to dst file.
     * If the dst file does not exist, it is created
     */
    public static void copyFile(File src, File dst) throws IOException {
        OutputStream out = null;
        InputStream in = new FileInputStream(src);

        try {
            String dstAbsPath = dst.getAbsolutePath();
            String dstDir = dstAbsPath.substring(0, dstAbsPath.lastIndexOf(File.separator));
            File dir = new File(dstDir);
            if (!dir.exists() && !dir.mkdirs()) {
                throw new IOException("Fail to create the directory: " + dir.getAbsolutePath());
            }

            out = new FileOutputStream(dst);
            // Transfer bytes from in to out
            byte[] buf = new byte[10240];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        } finally {
            try {
                in.close();
            } catch (IOException e) {
                System.out.println("Unable to close the InputStream " + e.getMessage());
                e.printStackTrace();
            }

            try {
                if (out != null) {
                    out.close();
                }
            } catch (IOException e) {
                System.out.println("Unable to close the OutputStream " + e.getMessage());
                e.printStackTrace();
            }
        }
    }
}

Related

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