Java BufferedReader Copy copyFile(File src, File dst)

Description

Copies a file.

License

Open Source License

Parameter

Parameter	Description
src	the File to be copied
dst	the File to be created

Declaration

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

Method Source Code

//package com.java2s;
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JAUS Tool Set//from  ww w . j  a  v a  2s  . co m
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import java.io.*;

public class Main {
    /**
     * Copies a file.  
     * 
     * @param src   the File to be copied
     * @param dst   the File to be created
     */
    static public void copyFile(File src, File dst) throws Exception {
        if (src.isFile()) {
            if (!src.exists()) {
                throw new Exception("Source File does not exist");
            }

            if (!dst.exists()) {
                if (!dst.createNewFile()) {
                    throw new Exception("Could not create Destination File");
                }
            }

            if (dst.isFile() && dst.canWrite()) {
                Writer output = new BufferedWriter(new FileWriter(dst));
                output.write(getContents(src));
                output.close();
            } else {
                throw new Exception("Problem writing file: " + dst);
            }
        } else {
            throw new Exception("Util: Invalid File Provided");
        }
    }

    static public String getContents(File file) throws Exception {
        StringBuffer contents = new StringBuffer();
        BufferedReader input = new BufferedReader(new FileReader(file));
        String line;

        while ((line = input.readLine()) != null) {
            contents.append(line);
            contents.append(System.getProperty("line.separator"));
        }
        input.close();

        return contents.toString();
    }
}

Related

1. copyFile(BufferedReader in, BufferedWriter out)
2. copyFile(File from, File to)
3. copyFile(File orgFile, File dstFile)
4. copyFile(File original, File copy)
5. copyFile(File source, File dest)
6. copyFile(String orig, String dest)
7. copyFile(String source, String dest)
8. copyFile(String src, String dst)
9. copyFile(String src, String dst)