/**
* Rename a file or folder.
*
* @param from the source to rename, this will be a complete reference to a file or folder
* @param to the destination name, this will be a complete reference to the new name (including
* path)
* @param overwrite <tt>true</tt> if any existing destination should be overwritten. If this
* parameter is <tt>false</tt> a unique name should be generated based on <tt>to</tt>.
* @return the name of the new file (excluding the path)
*/
public String renameFile(
@ParamName(name = "from") String from,
@ParamName(name = "to") String to,
@ParamName(name = "overwrite") boolean overwrite) {
Resource source = getResource(from, Resource.class);
ResourcePath destination = new ResourcePath().get(to);
Folder destinationFolder = getResource(destination.getParent().toString(), Folder.class);
Assert.state(
destinationFolder.exists(),
"The destination folder '" + destinationFolder + "' does not exist");
String destinationName = destination.getName();
if (destinationFolder.hasExisting(destinationName) && !overwrite) {
destinationName = generateUniqueNumberedFileName(destinationFolder, destinationName);
}
Resource renamed = source;
if (!destinationFolder.equals(renamed.getParent())) {
renamed = renamed.moveTo(destinationFolder);
}
if (!renamed.getName().equals(destinationName)) {
renamed = renamed.rename(destinationName);
}
return renamed.getName();
}
@Override
public String next() {
DBObject next = this.iterator.next();
String filename = (String) next.get("filename");
ResourcePath path = new ResourcePath().get(filename);
return path.getName();
}