/**
* Renames the file denoted by this abstract pathname.
*
* <p>Whether or not this method can move a file from one filesystem to another is
* platform-dependent. The return value should always be checked to make sure that the rename
* operation was successful.
*
* @param dest The new abstract pathname for the named file
* @throws IllegalArgumentException If parameter <code>dest</code> is not a <code>GeneralFile
* </code>.
* @throws NullPointerException - If dest is null
*/
public boolean renameTo(GeneralFile dest) throws IllegalArgumentException, NullPointerException {
try {
if (dest instanceof FTPFile) {
if (ftpClient.equals(((FTPFile) dest).ftpClient)) {
ftpClient.rename(getPath(), dest.getPath());
} else {
// TODO some ftp to ftp copy...
if (!dest.exists()) {
copyTo(dest);
delete();
} else return false;
}
} else {
if (!dest.exists()) {
copyTo(dest);
delete();
} else return false;
}
} catch (IOException e) {
return false;
} catch (FTPException e) {
return false;
}
return true;
}
/**
* Deletes the file or directory denoted by this abstract pathname. If this pathname denotes a
* directory, then the directory must be empty in order to be deleted.
*/
public boolean delete() {
try {
if (isDirectory()) {
ftpClient.deleteDir(getPath());
} else {
ftpClient.deleteFile(getPath());
}
} catch (IOException e) {
return false;
} catch (FTPException e) {
return false;
}
return true;
}
/**
* Returns the length of the file denoted by this abstract pathname.
*
* @return The length, in bytes, of the file denoted by this abstract pathname, or <code>0L</code>
* if the file does not exist
*/
public long length() {
try {
return ftpClient.size(getPath());
} catch (IOException e) {
return 0;
} catch (FTPException e) {
return 0;
}
}
/** Creates the directory named by this abstract pathname. */
public boolean mkdir() {
try {
ftpClient.makeDir(getPath());
return true;
} catch (IOException e) {
return false;
} catch (FTPException e) {
return false;
}
}
/**
* Returns the time that the file denoted by this abstract pathname was last modified.
*
* @return A <code>long</code> value representing the time the file was last modified, measured in
* system-dependent way.
*/
public long lastModified() {
try {
Date date = ftpClient.lastModified(getPath());
return date.getTime();
} catch (IOException e) {
return 0;
} catch (FTPException e) {
return 0;
}
}
/**
* Tests whether the file denoted by this abstract pathname exists.
*
* @return <code>true</code> if and only if the file denoted by this abstract pathname exists;
* <code>false</code> otherwise
*/
public boolean exists() {
try {
ftpClient.exists(getPath());
} catch (IOException e) {
return false;
} catch (FTPException e) {
return false;
}
return true;
}
/**
* Copies this file to another file. This object is the source file. The destination file is given
* as the argument. If the destination file, does not exist a new one will be created. Otherwise
* the source file will be appended to the destination file. Directories will be copied
* recursively.
*
* @param file The file to receive the data.
* @throws NullPointerException If file is null.
* @throws IOException If an IOException occurs.
*/
public void copyTo(GeneralFile file, boolean forceOverwrite) throws IOException {
if (file == null) {
throw new NullPointerException();
}
if (isDirectory()) {
// recursive copy
GeneralFile[] fileList = listFiles();
file.mkdir();
if (fileList != null) {
for (int i = 0; i < fileList.length; i++) {
fileList[i].copyTo(
FileFactory.newFile(
file.getFileSystem(), file.getAbsolutePath(), fileList[i].getName()),
forceOverwrite);
}
}
} else {
if (file.isDirectory()) {
// change the destination from a directory to a file
file = FileFactory.newFile(file, getName());
}
try {
if (file instanceof LocalFile) {
ftpClient.get(getPath(), ((LocalFile) file).getFile());
} else if (file instanceof FTPFile) {
ftpClient.transfer(
getPath(), ((FTPFile) file).getFTPClient(), file.getPath(), !forceOverwrite, null);
} else {
super.copyTo(file);
}
} catch (FTPException e) {
IOException io = new IOException();
io.initCause(e);
throw io;
}
}
}
/**
* Copies this file to another file. This object is the source file. The destination file is given
* as the argument. If the destination file, does not exist a new one will be created. Otherwise
* the source file will be appended to the destination file. Directories will be copied
* recursively.
*
* @param file The file to receive the data.
* @throws NullPointerException If file is null.
* @throws IOException If an IOException occurs.
*/
public void copyFrom(GeneralFile file, boolean forceOverwrite) throws IOException {
if (file == null) {
throw new NullPointerException();
}
if (file.isDirectory()) {
// recursive copy
GeneralFile[] fileList = file.listFiles();
mkdir();
if (fileList != null) {
for (int i = 0; i < fileList.length; i++) {
FileFactory.newFile(this, fileList[i].getName()).copyFrom(fileList[i], forceOverwrite);
}
}
} else {
if (isDirectory()) {
// change the destination from a directory to a file
GeneralFile subFile = FileFactory.newFile(this, file.getName());
subFile.copyFrom(file);
return;
}
try {
if (file instanceof LocalFile) {
ftpClient.put(((LocalFile) file).getFile(), getPath(), !forceOverwrite);
} else if (file instanceof FTPFile) {
ftpClient.transfer(file.getPath(), ftpClient, getPath(), !forceOverwrite, null);
} else {
super.copyTo(file);
}
} catch (FTPException e) {
IOException io = new IOException();
io.initCause(e);
throw io;
}
}
}
/**
* Returns an array of strings naming the files and directories in the directory denoted by this
* abstract pathname.
*
* <p>There is no guarantee that the name strings in the resulting array will appear in any
* specific order; they are not, in particular, guaranteed to appear in alphabetical order.
*
* <p>If this GeneralFile object denotes a file, the results are unspecified.
*
* @return An array of strings naming the files and directories in the directory denoted by this
* abstract pathname.
*/
public String[] list() {
try {
// TODO which list?
Vector list = ftpClient.list(getPath());
Object[] listO = list.toArray();
String[] listS = new String[listO.length];
for (int i = 0; i < listO.length; i++) {
listS[i] = listO[i].toString();
}
return listS;
} catch (IOException e) {
return null;
} catch (FTPException e) {
return null;
}
}
