Java RandomAccessFile Copy copyFile(String src, String dst)

Description

{ method

License

Apache License

Parameter

Parameter	Description
dst	destination file name
src	source file name

Return

true for success }

Declaration

public static boolean copyFile(String src, String dst) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.*;

public class Main {
    /**/* w  ww.j a v  a  2 s .  c o  m*/
     * { method
     *
     * @param dst destination file name
     * @param src source file name
     * @return true for success
     *         }
     * @name copyFile
     * @function copy file named src into new file named dst
     */
    public static boolean copyFile(String src, String dst) {
        int bufsize = 1024;
        try {
            RandomAccessFile srcFile = new RandomAccessFile(src, "r");
            long len = srcFile.length();
            if (len > 0x7fffffff) {
                return (false);
            }
            // too large
            int l = (int) len;
            if (l == 0) {
                return (false);
            }
            // failure - no data
            RandomAccessFile dstFile = new RandomAccessFile(dst, "rw");

            int bytesRead = 0;
            byte[] buffer = new byte[bufsize];
            while ((bytesRead = srcFile.read(buffer, 0, bufsize)) != -1) {
                dstFile.write(buffer, 0, bytesRead);
            }
            srcFile.close();
            dstFile.close();
            return true;
        } catch (IOException ex) {
            return (false);
        }
    }

    /**
     * { method
     *
     * @param dst destination file name
     * @param src source file name
     * @return true for success
     *         }
     * @name copyFile
     * @function copy file named src into new file named dst
     */
    public static boolean copyFile(File src, File dst) {
        int bufsize = 1024;
        try {
            RandomAccessFile srcFile = new RandomAccessFile(src, "r");
            long len = srcFile.length();
            if (len > 0x7fffffff) {
                return (false);
            }
            // too large
            int l = (int) len;
            if (l == 0) {
                return (false);
            }
            // failure - no data
            RandomAccessFile dstFile = new RandomAccessFile(dst, "rw");

            int bytesRead = 0;
            byte[] buffer = new byte[bufsize];
            while ((bytesRead = srcFile.read(buffer, 0, bufsize)) != -1) {
                dstFile.write(buffer, 0, bytesRead);
            }
            srcFile.close();
            dstFile.close();
            long srcDate = src.lastModified();
            dst.setLastModified(srcDate);
            return true;
        } catch (IOException ex) {
            return (false);
        }
    }
}

Related

1. copyFile(File from, File to)
2. copyFile(File srcFile, File destFile)
3. copyFile(String src, String dst)