private boolean handlePost(
HttpServletRequest request, HttpServletResponse response, IFileStore dir)
throws JSONException, CoreException, ServletException, IOException {
// setup and precondition checks
JSONObject requestObject = OrionServlet.readJSONRequest(request);
String name = computeName(request, requestObject);
if (name.length() == 0)
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR, HttpServletResponse.SC_BAD_REQUEST, "File name not specified.", null));
int options = getCreateOptions(request);
IFileStore toCreate = dir.getChild(name);
boolean destinationExists = toCreate.fetchInfo().exists();
if (!validateOptions(request, response, toCreate, destinationExists, options)) return true;
// perform the operation
if (performPost(request, response, requestObject, toCreate, options)) {
// write the response
URI location = URIUtil.append(getURI(request), name);
JSONObject result = ServletFileStoreHandler.toJSON(toCreate, toCreate.fetchInfo(), location);
OrionServlet.writeJSONResponse(request, response, result);
response.setHeader(ProtocolConstants.HEADER_LOCATION, location.toString());
// response code should indicate if a new resource was actually created or not
response.setStatus(
destinationExists ? HttpServletResponse.SC_OK : HttpServletResponse.SC_CREATED);
}
return true;
}
private boolean handlePut(
HttpServletRequest request, HttpServletResponse response, IFileStore dir)
throws JSONException, IOException, CoreException {
IFileInfo info = ServletFileStoreHandler.fromJSON(request);
dir.putInfo(info, EFS.NONE, null);
return true;
}
private boolean handleGet(
HttpServletRequest request, HttpServletResponse response, IFileStore dir)
throws IOException, CoreException {
URI location = getURI(request);
JSONObject result = ServletFileStoreHandler.toJSON(dir, dir.fetchInfo(), location);
String depthString = request.getParameter(ProtocolConstants.PARM_DEPTH);
int depth = 0;
if (depthString != null) {
try {
depth = Integer.parseInt(depthString);
} catch (NumberFormatException e) {
// ignore
}
}
encodeChildren(dir, location, result, depth);
OrionServlet.writeJSONResponse(request, response, result);
return true;
}
private void encodeChildren(IFileStore dir, URI location, JSONObject result, int depth)
throws CoreException {
if (depth <= 0) return;
JSONArray children = new JSONArray();
IFileStore[] childStores = dir.childStores(EFS.NONE, null);
for (IFileStore childStore : childStores) {
IFileInfo childInfo = childStore.fetchInfo();
String name = childInfo.getName();
if (childInfo.isDirectory()) name += "/"; // $NON-NLS-1$
URI childLocation = URIUtil.append(location, name);
JSONObject childResult = ServletFileStoreHandler.toJSON(childStore, childInfo, childLocation);
if (childInfo.isDirectory())
encodeChildren(childStore, childLocation, childResult, depth - 1);
children.put(childResult);
}
try {
result.put(ProtocolConstants.KEY_CHILDREN, children);
} catch (JSONException e) {
// cannot happen
throw new RuntimeException(e);
}
}
