void doPost(final HttpServletRequest req, final HttpServletResponse resp) {
try {
// Parse out the required API versions.
final AcceptAPIVersion acceptVersion = parseAcceptAPIVersion(req);
// Prepare response.
prepareResponse(req, resp);
// Validate request.
preprocessRequest(req);
rejectIfNoneMatch(req);
rejectIfMatch(req);
final Map<String, String[]> parameters = req.getParameterMap();
final String action = asSingleValue(PARAM_ACTION, getParameter(req, PARAM_ACTION));
if (action.equalsIgnoreCase(ACTION_ID_CREATE)) {
final JsonValue content = getJsonContent(req);
final CreateRequest request = Requests.newCreateRequest(getResourceName(req), content);
for (final Map.Entry<String, String[]> p : parameters.entrySet()) {
final String name = p.getKey();
final String[] values = p.getValue();
if (parseCommonParameter(name, values, request)) {
continue;
} else if (name.equalsIgnoreCase(PARAM_ACTION)) {
// Ignore - already handled.
} else if (HttpUtils.isMultiPartRequest(req.getContentType())) {
// Ignore - multipart content adds form parts to the parameter set
} else {
request.setAdditionalParameter(name, asSingleValue(name, values));
}
}
doRequest(req, resp, acceptVersion, request);
} else {
// Action request.
final JsonValue content = getJsonActionContent(req);
final ActionRequest request =
Requests.newActionRequest(getResourceName(req), action).setContent(content);
for (final Map.Entry<String, String[]> p : parameters.entrySet()) {
final String name = p.getKey();
final String[] values = p.getValue();
if (parseCommonParameter(name, values, request)) {
continue;
} else if (name.equalsIgnoreCase(PARAM_ACTION)) {
// Ignore - already handled.
} else if (HttpUtils.isMultiPartRequest(req.getContentType())) {
// Ignore - multipart content adds form parts to the parameter set
} else {
request.setAdditionalParameter(name, asSingleValue(name, values));
}
}
doRequest(req, resp, acceptVersion, request);
}
} catch (final Exception e) {
fail(req, resp, e);
}
}
/**
* Persist the supplied {@link JsonValue} {@code value} as the new state of this singleton
* relationship on {@code resourceId}.
*
* <p><em>This is currently the only means of creating an instance of this singleton</em>
*
* @param context The context of this request
* @param resourceId Id of the resource relation fields in value are to be memebers of
* @param value A {@link JsonValue} map of relationship fields and their values
* @return The persisted instance of {@code value}
*/
@Override
public Promise<JsonValue, ResourceException> setRelationshipValueForResource(
Context context, String resourceId, JsonValue value) {
if (value.isNotNull()) {
try {
final JsonValue id = value.get(FIELD_ID);
// Update if we got an id, otherwise replace
if (id != null && id.isNotNull()) {
final UpdateRequest updateRequest = Requests.newUpdateRequest("", value);
updateRequest.setAdditionalParameter(PARAM_FIRST_ID, resourceId);
return updateInstance(context, value.get(FIELD_ID).asString(), updateRequest)
.then(
new Function<ResourceResponse, JsonValue, ResourceException>() {
@Override
public JsonValue apply(ResourceResponse resourceResponse)
throws ResourceException {
return resourceResponse.getContent();
}
});
} else { // no id, replace current instance
clear(context, resourceId);
final CreateRequest createRequest = Requests.newCreateRequest("", value);
createRequest.setAdditionalParameter(PARAM_FIRST_ID, resourceId);
return createInstance(context, createRequest)
.then(
new Function<ResourceResponse, JsonValue, ResourceException>() {
@Override
public JsonValue apply(ResourceResponse resourceResponse)
throws ResourceException {
return resourceResponse.getContent();
}
});
}
} catch (ResourceException e) {
return e.asPromise();
}
} else {
clear(context, resourceId);
return newResultPromise(json(null));
}
}
void doPut(final HttpServletRequest req, final HttpServletResponse resp) {
try {
// Parse out the required API versions.
final AcceptAPIVersion acceptVersion = parseAcceptAPIVersion(req);
// Prepare response.
prepareResponse(req, resp);
// Validate request.
preprocessRequest(req);
if (req.getHeader(HEADER_IF_MATCH) != null && req.getHeader(HEADER_IF_NONE_MATCH) != null) {
// FIXME: i18n
throw new PreconditionFailedException(
"Simultaneous use of If-Match and If-None-Match not " + "supported for PUT requests");
}
final Map<String, String[]> parameters = req.getParameterMap();
final JsonValue content = getJsonContent(req);
final String rev = getIfNoneMatch(req);
if (ETAG_ANY.equals(rev)) {
// This is a create with a user provided resource ID: split the
// path into the parent resource name and resource ID.
final String resourceName = getResourceName(req);
final int i = resourceName.lastIndexOf('/');
final CreateRequest request;
if (resourceName.isEmpty()) {
// FIXME: i18n.
throw new BadRequestException("No new resource ID in HTTP PUT request");
} else if (i < 0) {
// We have a pathInfo of the form "{id}"
request = Requests.newCreateRequest(EMPTY_STRING, content);
request.setNewResourceId(resourceName);
} else {
// We have a pathInfo of the form "{container}/{id}"
request = Requests.newCreateRequest(resourceName.substring(0, i), content);
request.setNewResourceId(resourceName.substring(i + 1));
}
for (final Map.Entry<String, String[]> p : parameters.entrySet()) {
final String name = p.getKey();
final String[] values = p.getValue();
if (HttpUtils.isMultiPartRequest(req.getContentType())) {
// Ignore - multipart content adds form parts to the parameter set
} else if (parseCommonParameter(name, values, request)) {
continue;
} else {
request.setAdditionalParameter(name, asSingleValue(name, values));
}
}
doRequest(req, resp, acceptVersion, request);
} else {
final UpdateRequest request =
Requests.newUpdateRequest(getResourceName(req), content).setRevision(getIfMatch(req));
for (final Map.Entry<String, String[]> p : parameters.entrySet()) {
final String name = p.getKey();
final String[] values = p.getValue();
if (HttpUtils.isMultiPartRequest(req.getContentType())) {
// Ignore - multipart content adds form parts to the parameter set
} else if (parseCommonParameter(name, values, request)) {
continue;
} else {
request.setAdditionalParameter(name, asSingleValue(name, values));
}
}
doRequest(req, resp, acceptVersion, request);
}
} catch (final Exception e) {
fail(req, resp, e);
}
}