Java Utililty Methods FileInputStream Copy

List of utility methods to do FileInputStream Copy

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Description

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

Method

longcopyFile(File source, File target)
copy File 
long total = 0;
FileInputStream fis = null;
OutputStream fos = null;
try {
    fis = new FileInputStream(source);
    mkdirs(target.getParentFile());
    fos = new BufferedOutputStream(new FileOutputStream(target));
    for (byte[] buffer = new byte[1024 * 32];;) {
...
booleancopyFile(File source, File target)
Creates a copy of a file 
boolean backup = true;
try {
    byte[] buf = new byte[COPY_BUFFER_SIZE];
    FileInputStream fis = new FileInputStream(source);
    OutputStream fos = createOutputStream(target);
    int len;
    do {
        len = fis.read(buf);
...
voidcopyFile(File source, File target, boolean createParents, FileFilter filter)

Copies source to target. 

if (target.isDirectory()) {
    String path = target.getPath();
    String name = source.getName();
    target = new File(path.endsWith(File.separator) ? path + name : path + File.separator + name);
File parent = target.getParentFile();
if (parent != null && !parent.exists()) {
    if (createParents)
...
voidcopyFile(File source, File target, boolean deleteSourceAfter)
Copies a source file in a target file. 
if (source.isDirectory()) {
    if (!target.exists() && !target.mkdir())
        throw new IOException("Could not create the directory " + target.getAbsolutePath());
    else if (target.exists() && !target.isDirectory())
        throw new IOException(target + " already exists and is not a directory.");
    File[] children = source.listFiles();
    for (File sourceChild : children) {
        File destChild = new File(target, sourceChild.getName());
...
voidcopyFile(File source, File target, boolean replaceIfExists)
copy File 
if (!target.createNewFile()) {
    if (target.exists() && !replaceIfExists) {
        throw new IOException(String.format("File '%s' already exists. ", target.getAbsolutePath()));
FileInputStream in = null;
FileOutputStream out = null;
byte[] b = new byte[8192];
...
voidcopyFile(File sourceDir, File destDir, String filename)
Copy a file from one directory to another. 
copyFile(sourceDir, destDir, filename, filename);
voidcopyFile(File sourceFile, File destDir)
Copy source file to dest dir. 
boolean copy = false;
File destFile = new File(destDir, sourceFile.getName());
if (!destFile.exists()) {
    copy = true;
} else if (sourceFile.lastModified() > destFile.lastModified()) {
    copy = true;
if (copy) {
...
voidcopyFile(File sourceFile, File destFile)
Copies a file. 
FileOutputStream fos;
try (FileInputStream fis = new FileInputStream(sourceFile)) {
    fos = new FileOutputStream(destFile);
    fis.getChannel().transferTo(0, sourceFile.length(), fos.getChannel());
fos.close();
voidcopyFile(File sourceFile, File destFile)
Copies the source file into the destination file. 
assert sourceFile.exists() && sourceFile.isFile();
destFile.getParentFile().mkdirs();
if (!destFile.getParentFile().exists()) {
    throw new IOException("Could not make parent directories");
destFile.createNewFile();
if (!destFile.exists()) {
    throw new IOException("Could not create destination file");
...
voidcopyFile(File sourceFile, File destFile)
copy File 
copyFile(sourceFile, destFile, false);