/**
* Parses HTTP parameters in an appropriate format and return back map of values to predefined
* list of names.
*
* @param req Request.
* @return Map of parsed parameters.
*/
@SuppressWarnings({"unchecked"})
private Map<String, Object> parameters(ServletRequest req) {
Map<String, String[]> params = req.getParameterMap();
if (F.isEmpty(params)) return Collections.emptyMap();
Map<String, Object> map = U.newHashMap(params.size());
for (Map.Entry<String, String[]> entry : params.entrySet())
map.put(entry.getKey(), parameter(entry.getValue()));
return map;
}
/**
* @param req Request.
* @return Command.
*/
@Nullable
GridRestCommand command(ServletRequest req) {
String cmd = req.getParameter("cmd");
return cmd == null ? null : GridRestCommand.fromKey(cmd.toLowerCase());
}
/**
* Creates REST request.
*
* @param cmd Command.
* @param params Parameters.
* @return REST request.
* @throws GridException If creation failed.
*/
@Nullable
private GridRestRequest createRequest(
GridRestCommand cmd, Map<String, Object> params, ServletRequest req) throws GridException {
GridRestRequest restReq;
switch (cmd) {
case CACHE_GET:
case CACHE_GET_ALL:
case CACHE_PUT:
case CACHE_PUT_ALL:
case CACHE_REMOVE:
case CACHE_REMOVE_ALL:
case CACHE_ADD:
case CACHE_CAS:
case CACHE_METRICS:
case CACHE_REPLACE:
case CACHE_DECREMENT:
case CACHE_INCREMENT:
case CACHE_APPEND:
case CACHE_PREPEND:
{
GridRestCacheRequest restReq0 = new GridRestCacheRequest();
restReq0.cacheName((String) params.get("cacheName"));
restReq0.key(params.get("key"));
restReq0.value(params.get("val"));
restReq0.value2(params.get("val2"));
Object val1 = params.get("val1");
if (val1 != null) restReq0.value(val1);
restReq0.cacheFlags(intValue("cacheFlags", params, 0));
restReq0.ttl(longValue("exp", params, null));
restReq0.initial(longValue("init", params, null));
restReq0.delta(longValue("delta", params, null));
if (cmd == CACHE_GET_ALL || cmd == CACHE_PUT_ALL || cmd == CACHE_REMOVE_ALL) {
List<Object> keys = values("k", params);
List<Object> vals = values("v", params);
if (keys.size() < vals.size())
throw new GridException(
"Number of keys must be greater or equals to number of values.");
Map<Object, Object> map = U.newHashMap(keys.size());
Iterator<Object> keyIt = keys.iterator();
Iterator<Object> valIt = vals.iterator();
while (keyIt.hasNext()) map.put(keyIt.next(), valIt.hasNext() ? valIt.next() : null);
restReq0.values(map);
}
restReq = restReq0;
break;
}
case TOPOLOGY:
case NODE:
{
GridRestTopologyRequest restReq0 = new GridRestTopologyRequest();
restReq0.includeMetrics(Boolean.parseBoolean((String) params.get("mtr")));
restReq0.includeAttributes(Boolean.parseBoolean((String) params.get("attr")));
restReq0.nodeIp((String) params.get("ip"));
restReq0.nodeId(uuidValue("id", params));
restReq = restReq0;
break;
}
case EXE:
case RESULT:
case NOOP:
{
GridRestTaskRequest restReq0 = new GridRestTaskRequest();
restReq0.taskId((String) params.get("id"));
restReq0.taskName((String) params.get("name"));
restReq0.params(values("p", params));
restReq0.async(Boolean.parseBoolean((String) params.get("async")));
restReq0.timeout(longValue("timeout", params, 0L));
restReq = restReq0;
break;
}
case LOG:
{
GridRestLogRequest restReq0 = new GridRestLogRequest();
restReq0.path((String) params.get("path"));
restReq0.from(intValue("from", params, -1));
restReq0.to(intValue("to", params, -1));
restReq = restReq0;
break;
}
case VERSION:
{
restReq = new GridRestRequest();
break;
}
default:
throw new GridException("Invalid command: " + cmd);
}
restReq.address(new InetSocketAddress(req.getRemoteAddr(), req.getRemotePort()));
restReq.command(cmd);
if (params.containsKey("gridgain.login") || params.containsKey("gridgain.password")) {
GridSecurityCredentials cred =
new GridSecurityCredentials(
(String) params.get("gridgain.login"), (String) params.get("gridgain.password"));
restReq.credentials(cred);
}
String clientId = (String) params.get("clientId");
try {
if (clientId != null) restReq.clientId(UUID.fromString(clientId));
} catch (Exception ignored) {
// Ignore invalid client id. Rest handler will process this logic.
}
String destId = (String) params.get("destId");
try {
if (destId != null) restReq.destinationId(UUID.fromString(destId));
} catch (IllegalArgumentException ignored) {
// Don't fail - try to execute locally.
}
String sesTokStr = (String) params.get("sessionToken");
try {
if (sesTokStr != null) restReq.sessionToken(U.hexString2ByteArray(sesTokStr));
} catch (IllegalArgumentException ignored) {
// Ignore invalid session token.
}
return restReq;
}