Java FileInputStream Copy copyFile(File from, File toDir)

Description

copy File

License

Open Source License

Declaration

public static void copyFile(File from, File toDir) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.*;

public class Main {
    public static void copyFile(File from, File toDir) throws IOException {
        if (!toDir.isDirectory() || !from.exists()) {
            throw new IOException("Destination is no Directory or source not exists.");
        }/* w w w  .j av  a 2  s  .  com*/
        /* */
        copy(from, new File(toDir, from.getName()));
    }

    public static void copy(File from, File to) throws IOException {
        if (!from.exists()) {
            throw new IOException("Source not exists.");
        }
        /* */
        InputStream in = null;
        OutputStream out = null;
        try {
            in = new FileInputStream(from);
            /* create destination file */
            out = new FileOutputStream(to);

            byte[] buf = new byte[1024];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
            in.close();
            out.close();
        } catch (Exception ex) {
            throw new IOException(ex);
        } finally {
            quiteClose(in);
            quiteClose(out);
        }
    }

    public static String getName(String path) {
        int index = path.lastIndexOf(File.separatorChar);
        if (index < 0) {
            return path;
        }
        return path.substring(index + 1);
    }

    public static void quiteClose(Closeable stream) {
        try {
            if (stream != null) {
                stream.close();
            }
        } catch (IOException e) {
            /* Ignore */
        }
    }
}

Related

1. copyFile(File from, File to)
2. copyFile(File from, File to)
3. copyFile(File from, File to)
4. copyFile(File from, File to)
5. copyFile(File from, File to, byte[] buf)
6. copyFile(File from, File toFile)
7. copyFile(File fromFile, File toFile)
8. copyFile(File fromFile, File toFile)
9. copyFile(File fromFile, File toFile)