Android 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

voidcopyFile(String origPath, String destPath)
Convenience function to copy a file. 
FileChannel in = null;
FileChannel out = null;
try {
    in = new FileInputStream(origPath).getChannel();
    out = new FileOutputStream(destPath).getChannel();
    in.transferTo(0, in.size(), out);
} finally {
    if (in != null)
...
voidcopyFile(String sourceFileName, String destinationFileName)
copy File 
copyFile(new File(sourceFileName), new File(destinationFileName));
voidcopyFile(String sourcePath, String destPath)
Copies one file to another. 
File sourceFile = new File(sourcePath);
File destFile = new File(destPath);
if (!destFile.exists()) {
    destFile.createNewFile();
FileChannel source = null;
FileChannel destination = null;
try {
...
voidcopyFile(String sourcePathName, String destPathName)
copy File 
copyFile(new File(sourcePathName), new File(destPathName));
BooleancopyFile(String srcFile, String destFile)
copies a file to a new location on the local file system. 
Boolean copyFlag = false;
File inputFile = new File(srcFile);
File outputFile = new File(destFile);
try {
    FileReader in = new FileReader(inputFile);
    FileWriter out = new FileWriter(outputFile);
    int c;
    while ((c = in.read()) != -1)
...
booleancopyFile(String strSrc, String strDest)
Copy file from src to des, override if des exist 
FileInputStream isSrc = null;
FileOutputStream osDest = null;
try {
    File flDest = new File(strDest);
    if (flDest.exists())
        flDest.delete();
    File flSrc = new File(strSrc);
    if (!flSrc.exists())
...
voidcopyFileByCommand(String src, String dst, boolean isMove)
Use system command to copy file 
File file = new File(dst).getParentFile();
if (!file.exists() && !file.mkdirs())
    return;
String[] cmd = null;
if (System.getProperty("os.name").toLowerCase()
        .startsWith("windows")) {
    cmd = new String[5];
    cmd[0] = "cmd";
...
voidcopyFileLazy(String source, String destination)
copy File Lazy 
String oldContent = null;
try {
    oldContent = FileUtil.read(source);
} catch (FileNotFoundException fnfe) {
    return;
String newContent = null;
try {
...
voidcopyFileToFile(File file, File outFile)
Copy a file to a location given by another file. 
FileInputStream in = new FileInputStream(file);
FileOutputStream out = new FileOutputStream(outFile);
byte[] buf = new byte[512];
int l;
try {
    while ((l = in.read(buf)) > 0) {
        out.write(buf, 0, l);
    out.flush();
} catch (IOException e) {
    throw e;
} finally {
    try {
        out.close();
    } catch (Exception ignored) {
    try {
        in.close();
    } catch (Exception ignored) {
voidcopyFiles(File src, File dst)
copy files from src to dst 
if (!src.exists())
    return;
else if (src.isDirectory() && !dst.isFile()) {
    if (dst.exists() || dst.mkdirs()) {
        File[] subSrcs = src.listFiles();
        for (File subSrc : subSrcs) {
            File subDst = new File(dst.getPath() + File.separator
                    + subSrc.getName());
...