server/src/main/java/com/orientechnologies/orient/server/network/protocol/http/OHttpRequestWrapper.java
public String getArgument(final int iPosition) {
     return args != null && args.length > iPosition ? args[iPosition] : null;
   }
public String getArgument(final int iPosition) {
     return args != null && args.length > iPosition ? args[iPosition] : null;
   }
Returns the argument by position

@return Array of arguments