Java Utililty Methods File Copy

List of utility methods to do File Copy

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Description

The list of methods to do File Copy are organized into topic(s).

Method

voiddoCopyFile(File srcFile, File destFile, boolean preserveFileDate)
do Copy File 
if (destFile.exists() && destFile.isDirectory()) {
    throw new IOException("Destination '" + destFile + "' exists but is a directory");
FileInputStream input = new FileInputStream(srcFile);
try {
    FileOutputStream output = new FileOutputStream(destFile);
    try {
        copy(input, output);
...
voidfileCopy(File source, String dest)
file Copy 
final File newFile = new File(dest);
final byte[] buffer = new byte[4096];
final FileInputStream inputStream = new FileInputStream(source);
final FileOutputStream outputStream = new FileOutputStream(newFile);
int len;
while ((len = inputStream.read(buffer)) != -1) {
    outputStream.write(buffer, 0, len);
inputStream.close();
outputStream.close();
voidfileCopy(File srcFile, File tarFile)
file Copy 
FileInputStream is = null;
FileOutputStream os = null;
try {
    is = new FileInputStream(srcFile);
    os = new FileOutputStream(tarFile);
    int bytesRead = 0;
    byte[] buffer = new byte[8192];
    while ((bytesRead = is.read(buffer, 0, 8192)) != -1) {
...
voidFileCopy(InputStream input, OutputStream output, int bufferSize)
File Copy 
byte[] buf = new byte[bufferSize];
int n = input.read(buf);
while (n >= 0) {
    output.write(buf, 0, n);
    n = input.read(buf);
output.flush();
voidfileCopy(String from, String to)
Copy a file. 
fileThing(from, to, false);
voidfileCopy(String from, String to)

file copy 

FileInputStream fis = null;
FileOutputStream fos = null;
try {
    fis = new FileInputStream(from);
    fos = new FileOutputStream(to);
    final int BUFSIZ = 1024;
    byte buf[] = new byte[BUFSIZ];
    int len = 0;
...
voidfileCopy(String fromPath, String toPath)
file Copy 
File inputFile = new File(fromPath);
File outputFile = new File(toPath);
FileReader in = new FileReader(inputFile);
FileWriter out = new FileWriter(outputFile);
int c;
while ((c = in.read()) != -1)
    out.write(c);
in.close();
...
booleanfileCopy(String oldFilePath, String newFilePath, boolean isCover)
file Copy 
if (!checkFile(oldFilePath, false)) {
    return false;
if (checkFile(newFilePath, true) && (!isCover)) {
    return false;
FileInputStream in = null;
FileOutputStream out = null;
...
voidfileCopy(String sFrom, String sTo)
file Copy 
File f1 = new File(sFrom);
File f2 = new File(sTo);
InputStream in = new FileInputStream(f1);
OutputStream out = new FileOutputStream(f2);
byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0) {
    out.write(buf, 0, len);
...
voidfileCopy(String source, String target)
file Copy 
try (InputStream in = new FileInputStream(source)) {
    try (OutputStream out = new FileOutputStream(target)) {
        byte[] buffer = new byte[4096];
        int bytesToRead;
        while ((bytesToRead = in.read(buffer)) != -1) {
            out.write(buffer, 0, bytesToRead);