2 * Copyright © 2016-2018 European Support Limited
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.openecomp.sdc.logging.servlet;
19 import javax.servlet.http.HttpServletRequest;
22 * Tracker for all the elements of ONAP logging and tracing at an entry point to an application.
23 * The order of invocations is important, and on {@link #preRequest(HttpServletRequest)} it respects the order of
24 * trackers passed to the constructor. On {@link #postRequest(RequestProcessingResult)}, the invocation will be in the
25 * <b>reverse</b> order.
30 public class CombinedTracker implements Tracker {
32 private final Tracker[] trackers;
34 public CombinedTracker(Tracker... trackers) {
35 this.trackers = new Tracker[trackers.length];
36 System.arraycopy(trackers, 0, this.trackers, 0, trackers.length);
40 public void preRequest(HttpServletRequest request) {
42 for (Tracker t : trackers) {
43 t.preRequest(request);
48 public void postRequest(RequestProcessingResult result) {
50 for (int i = trackers.length - 1; i > -1; i--) {
51 trackers[i].postRequest(result);