/**
* Copy method to copy a file to another file
*
* @param sourceFile
* @param targetFile
* @param move true: move file; false: copy file
* @return true: success; false: failure
*/
public static boolean copyFileToFile(File sourceFile, File targetFile, boolean move) {
try {
if (sourceFile.isDirectory() || targetFile.isDirectory()) {
return false;
}
// create target directories
targetFile.getParentFile().mkdirs(); // don't check for success... would return false on
// catch move/copy of "same" file -> buggy under Windows.
if (sourceFile.getCanonicalPath().equals(targetFile.getCanonicalPath())) return true;
if (move) {
// try to rename it first - operation might only be successful on a local filesystem!
if (sourceFile.renameTo(targetFile)) return true;
// it failed, so continue with copy code!
}
bcopy(sourceFile, targetFile, "copyFileToFile");
if (move) {
// to finish the move accross different filesystems we need to delete the source file
sourceFile.delete();
}
} catch (IOException e) {
log.error(
"Could not copy file::"
+ sourceFile.getAbsolutePath()
+ " to file::"
+ targetFile.getAbsolutePath(),
e);
return false;
}
return true;
} // end copy
/**
* @param target
* @param data
* @param encoding
*/
public static void save(OutputStream target, String data, String encoding) {
try {
byte[] ba = data.getBytes(StringHelper.check4xMacRoman(encoding));
ByteArrayInputStream bis = new ByteArrayInputStream(ba);
bcopy(bis, target, "saveDataToFile");
} catch (IOException e) {
throw new OLATRuntimeException(FileUtils.class, "could not save to output stream", e);
}
}
/**
* Copy a file from one spot on hard disk to another. Will create any target dirs if necessary.
*
* @param sourceFile file to copy on local hard disk.
* @param targetDir new file to be created on local hard disk.
* @param move
* @param filter file filter or NULL if no filter applied
* @return true if the copy was successful.
*/
public static boolean copyFileToDir(
File sourceFile, File targetDir, boolean move, FileFilter filter, String wt) {
try {
// copy only if filter allows. filtered items are considered a success
// and not a failure of the operation
if (filter != null && !filter.accept(sourceFile)) return true;
// catch if source is directory by accident
if (sourceFile.isDirectory()) {
return copyDirToDir(sourceFile, targetDir, move, filter, wt);
}
// create target directories
targetDir.mkdirs(); // don't check for success... would return false on
// existing dirs
if (!targetDir.isDirectory()) return false;
File targetFile = new File(targetDir, sourceFile.getName());
// catch move/copy of "same" file -> buggy under Windows.
if (sourceFile.getCanonicalPath().equals(targetFile.getCanonicalPath())) return true;
if (move) {
// try to rename it first - operation might only be successful on a local filesystem!
if (sourceFile.renameTo(targetFile)) return true;
// it failed, so continue with copy code!
}
bcopy(sourceFile, targetFile, "copyFileToDir:" + wt);
if (move) {
// to finish the move accross different filesystems we need to delete the source file
sourceFile.delete();
}
} catch (IOException e) {
log.error(
"Could not copy file::"
+ sourceFile.getAbsolutePath()
+ " to dir::"
+ targetDir.getAbsolutePath(),
e);
return false;
}
return true;
} // end copy
public static void bcopy(InputStream src, File dst, String wt)
throws FileNotFoundException, IOException {
bcopy(src, new FileOutputStream(dst), "copyStreamToFile:" + wt);
}
public static void bcopy(File src, File dst, String wt)
throws FileNotFoundException, IOException {
bcopy(new FileInputStream(src), new FileOutputStream(dst), wt);
}