1 /***
2 *
3 * Copyright 2005 LogicBlaze, Inc.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 **/
18 package org.logicblaze.lingo.example;
19
20 import java.util.ArrayList;
21 import java.util.List;
22
23 /***
24 * @version $Revision: 1.1 $
25 */
26 public class TestResultListener implements ResultListener {
27 private List results = new ArrayList();
28 private Object semaphore = new Object();
29 private boolean stopped;
30 private Exception onException;
31
32 public synchronized void onResult(String data) {
33 results.add(data);
34 synchronized (semaphore) {
35 semaphore.notifyAll();
36 }
37 }
38
39
40 public void stop() {
41 stopped = true;
42 }
43
44 public void onException(Exception e) {
45 onException = e;
46 }
47
48
49 public Exception getOnException() {
50 return onException;
51 }
52
53 public List getResults() {
54 return results;
55 }
56
57 public boolean isStopped() {
58 return stopped;
59 }
60
61 public void waitForAsyncResponses(int messageCount) {
62 System.out.println("Waiting for: " + messageCount + " responses to arrive");
63
64 long start = System.currentTimeMillis();
65
66 for (int i = 0; i < 10; i++) {
67 try {
68 if (hasReceivedResponses(messageCount)) {
69 break;
70 }
71 synchronized (semaphore) {
72 semaphore.wait(1000);
73 }
74 }
75 catch (InterruptedException e) {
76 System.out.println("Caught: " + e);
77 }
78 }
79 long end = System.currentTimeMillis() - start;
80
81 System.out.println("End of wait for " + end + " millis");
82 }
83
84 protected boolean hasReceivedResponse() {
85 return results.isEmpty();
86 }
87
88 protected synchronized boolean hasReceivedResponses(int messageCount) {
89 return results.size() >= messageCount;
90 }
91
92 }