Android File Copy bakFile(String source, String dest)

Description

bak File

License

Sun Public License Notice

Declaration

public static void bakFile(String source, String dest)
        throws IOException 

Method Source Code

//package com.java2s;
/*****************************************************************************
 *                                                                           *
 *  This file is part of the tna framework distribution.                     *
 *  Documentation and updates may be get from  biaoping.yin the author of    *
 *  this framework                          *
 *                                                                           *
 *  Sun Public License Notice:                                               *
 *                                                                           *
 *  The contents of this file are subject to the Sun Public License Version  *
 *  1.0 (the "License"); you may not use this file except in compliance with *
 *  the License. A copy of the License is available at http://www.sun.com    *
 *                                                                           *
 *  The Original Code is tag. The Initial Developer of the Original          *
 *  Code is biaoping yin. Portions created by biaoping yin are Copyright     *
 *  (C) 2000.  All Rights Reserved.                                          *
 *                                                                           *
 *  GNU Public License Notice:                                               *
 *                                                                           *
 *  Alternatively, the contents of this file may be used under the terms of  *
 *  the GNU Lesser General Public License (the "LGPL"), in which case the    *
 *  provisions of LGPL are applicable instead of those above. If you wish to *
 *  allow use of your version of this file only under the  terms of the LGPL *
 *  and not to allow others to use your version of this file under the SPL,  *
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 *  this file under either the SPL or the LGPL.                              *
 *                                                                           *
 *  biaoping.yin (yin-bp@163.com)                                            *
 *  Author of Learning Java                                        *
 *                                                                           *
 *****************************************************************************/

import java.io.BufferedReader;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;
import java.io.FileReader;

import java.io.IOException;

public class Main {

    public static void bakFile(String source, String dest)
            throws IOException {
        File file = new File(source);
        boolean state = file.renameTo(new File(dest));
        if (!state) {
            //???source????dest
            fileCopy(source, dest);/*from w w w .j  av  a2 s.  c  o m*/
            //??source??
            deleteFileOnly(source);
        }
    }

    public static void fileCopy(String sourcefile, String destinctionFile)
            throws IOException {
        fileCopy(new File(sourcefile), destinctionFile);
    }

    public static void fileCopy(File sourcefile, String destinctionFile)
            throws IOException {

        FileInputStream stFileInputStream = null;

        FileOutputStream stFileOutputStream = null;

        try {
            makeFile(destinctionFile);

            stFileInputStream = new FileInputStream(sourcefile);

            stFileOutputStream = new FileOutputStream(destinctionFile);

            int arraySize = 1024;
            byte buffer[] = new byte[arraySize];
            int bytesRead;
            while ((bytesRead = stFileInputStream.read(buffer)) != -1) {
                stFileOutputStream.write(buffer, 0, bytesRead);
            }

        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (stFileInputStream != null)
                try {
                    stFileInputStream.close();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            if (stFileOutputStream != null)
                try {
                    stFileOutputStream.close();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
        }

    }

    public static void fileCopy(File sourcefile, File destinctionFile)
            throws IOException {

        FileInputStream stFileInputStream = null;

        FileOutputStream stFileOutputStream = null;

        try {
            //            makeFile(destinctionFile);

            stFileInputStream = new FileInputStream(sourcefile);

            stFileOutputStream = new FileOutputStream(destinctionFile);

            int arraySize = 1024;
            byte buffer[] = new byte[arraySize];
            int bytesRead;
            while ((bytesRead = stFileInputStream.read(buffer)) != -1) {
                stFileOutputStream.write(buffer, 0, bytesRead);
            }

        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (stFileInputStream != null)
                try {
                    stFileInputStream.close();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            if (stFileOutputStream != null)
                try {
                    stFileOutputStream.close();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
        }

    }

    public static void deleteFileOnly(String path) {
        File file = new File(path);
        if (file.exists() && file.isFile()) {
            file.delete();
        }
    }

    public static void makeFile(String destinctionFile) {
        File f = new File(destinctionFile);
        File pf = f.getParentFile();
        if (f.exists())
            return;
        if (!pf.exists()) {
            pf.mkdirs();
        }

        try {
            f.createNewFile();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }

    public static StringBuffer read(String file) throws Exception {
        BufferedReader in = null;
        StringBuffer sb = new StringBuffer();
        String s = null;
        StringBuffer stringbuffer;
        try {
            in = new BufferedReader(new FileReader(file));
            while ((s = in.readLine()) != null)
                sb.append(s).append('\n');
            stringbuffer = sb;
        } finally {
            if (in != null)
                in.close();
        }
        return stringbuffer;
    }

    public static File createNewFile(String filePath) {
        File file = new File(filePath);
        if (file.exists())
            return file;
        File dir = file.getParentFile();
        if (!dir.exists())
            dir.mkdirs();
        try {
            file.createNewFile();
            return file;
        } catch (IOException e) {
            e.printStackTrace();
        }
        return file;

    }
}

Related

1. dumbfilecopy(File source, File dest)
2. fileCopy(File dbFile, File backup)
3. fileCopy(File sourcefile, File destinctionFile)
4. fileCopy(File sourcefile, String destinctionFile)
5. fileCopy(String sourcefile, String destinctionFile)
6. copyFile(File aSourceFile, File aTargetFile, boolean aAppend)
7. copyFile(File from, File to)
8. CopyCacheFile(Context con, String assetsFile)
9. CopyFile(Context con, String assetsFile)