private Message handleRequestWithIfMatch(Request request) throws IOException {
final Path path = Path.fromString(request.uri().getPath());
final Resource resource = resolveResource(path);
final String ifMatch = getOnlyElement(request.headers().get(Header.IF_MATCH));
if (ifMatch.equals("*") || !ifMatch.equals(resource.etag())) {
return handleRequestWithoutIfMatch(request);
} else {
return Response.clientErrorPreconditionFailed();
}
}
@MOVE
public Message move(
@PathTranslated Path path, @Destination URI destinationUri, @Overwrite boolean overwrite)
throws IOException {
final Resource source = resolveResource(path);
final Resource destination = resolveResource(Path.fromString(destinationUri.getPath()));
if (destination.isLocked()) {
return Response.clientErrorLocked();
}
if (source.exists()) {
if (source.isCollection()) { // source exists
if (destination.exists()) { // source exists and is a collection
if (destination.isCollection()) {
return (overwrite
? moveCollectionToCollection(source, destination, overwrite)
: Response.clientErrorPreconditionFailed());
} else {
return (overwrite
? moveCollectionToResource(source, destination, overwrite)
: Response.clientErrorPreconditionFailed());
}
} else {
return (destination.parent().exists()
? moveCollectionToCollection(source, destination, false)
: Response.clientErrorPreconditionFailed());
}
} else {
if (destination.exists()) { // source exists
if (destination.isCollection()) { // source exists,
return (overwrite
? moveResourceToCollection(source, destination, overwrite)
: Response.clientErrorPreconditionFailed());
} else {
return (overwrite
? moveResourceToResource(source, destination, overwrite)
: Response.clientErrorPreconditionFailed());
}
} else {
if (destination.parent().exists()) {
return (overwrite
? Response.clientErrorPreconditionFailed()
: moveResourceToCollection(source, destination, overwrite));
} else {
return clientErrorConflict();
}
}
}
} else {
return clientErrorNotFound();
}
}