public UniversalUniqueIdentifier addBlob(IFileStore target, boolean moveContents)
throws CoreException {
UniversalUniqueIdentifier uuid = new UniversalUniqueIdentifier();
folderFor(uuid).mkdir(EFS.NONE, null);
IFileStore destination = fileFor(uuid);
if (moveContents) target.move(destination, EFS.NONE, null);
else target.copy(destination, EFS.NONE, null);
return uuid;
}
/**
* Completes a move after a file transfer. Returns <code>true</code> if the move was successful,
* and <code>false</code> otherwise. In case of failure, this method handles setting an
* appropriate response.
*/
private boolean completeMove(HttpServletRequest req, HttpServletResponse resp)
throws ServletException {
IPath destPath = new Path(getPath()).append(getFileName());
try {
IFileStore source = EFS.getStore(new File(getStorageDirectory(), FILE_DATA).toURI());
IFileStore destination = NewFileServlet.getFileStore(destPath);
source.move(destination, EFS.OVERWRITE, null);
} catch (CoreException e) {
String msg = NLS.bind("Failed to complete file transfer on {0}", destPath.toString());
statusHandler.handleRequest(
req,
resp,
new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, msg, e));
return false;
}
return true;
}
/**
* Perform a copy or move as specified by the request.
*
* @return <code>true</code> if the operation was successful, and <code>false</code> otherwise.
*/
private boolean performCopyMove(
HttpServletRequest request,
HttpServletResponse response,
JSONObject requestObject,
IFileStore toCreate,
boolean isCopy,
int options)
throws ServletException, CoreException {
String locationString = requestObject.optString(ProtocolConstants.KEY_LOCATION, null);
if (locationString == null) {
statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_BAD_REQUEST,
"Copy or move request must specify source location",
null));
return false;
}
try {
IFileStore source = resolveSourceLocation(request, locationString);
if (source == null) {
statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_NOT_FOUND,
NLS.bind("Source does not exist: ", locationString),
null));
return false;
}
boolean allowOverwrite = (options & CREATE_NO_OVERWRITE) == 0;
int efsOptions = allowOverwrite ? EFS.OVERWRITE : EFS.NONE;
try {
if (isCopy) source.copy(toCreate, efsOptions, null);
else source.move(toCreate, efsOptions, null);
} catch (CoreException e) {
if (!source.fetchInfo().exists()) {
statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_NOT_FOUND,
NLS.bind("Source does not exist: ", locationString),
e));
return false;
}
if (e.getStatus().getCode() == EFS.ERROR_EXISTS) {
statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_PRECONDITION_FAILED,
"A file or folder with the same name already exists at this location",
null));
return false;
}
// just rethrow if we can't do something more specific
throw e;
}
} catch (URISyntaxException e) {
statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_BAD_REQUEST,
NLS.bind("Bad source location in request: ", locationString),
e));
return false;
}
return true;
}
