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INTSAMPLES-76 Wait for Server (Intermediate)

Also need to wait in the intermediate TCP sample.
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garyrussell committed May 26, 2012
1 parent 2bfa2ac commit 80653acd073c2c2c5243b717d603ec6dd4603dae
@@ -23,11 +23,14 @@
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
+import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.task.SimpleAsyncTaskExecutor;
import org.springframework.core.task.TaskExecutor;
+import org.springframework.integration.ip.tcp.connection.AbstractServerConnectionFactory;
+import org.springframework.integration.samples.tcpclientserver.support.ServerUtils;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
@@ -50,6 +53,14 @@
@Autowired
SimpleGateway gw;
+ @Autowired
+ AbstractServerConnectionFactory crLfServer;
+
+ @Before
+ public void setup() {
+ ServerUtils.waitListening(this.crLfServer);
+ }
+
@Test
public void testHappyDay() {
String result = gw.send("999Hello world!"); // first 3 bytes is correlationid
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2002-2012 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.integration.samples.tcpclientserver.support;
+
+import static org.junit.Assert.fail;
+
+import org.springframework.integration.ip.tcp.connection.AbstractServerConnectionFactory;
+
+/**
+ * @author Gary Russell
+ *
+ */
+public class ServerUtils {
+
+ public static void waitListening(AbstractServerConnectionFactory serverConnectionFactory) {
+ int n = 0;
+ while (!serverConnectionFactory.isListening()) {
+
+ try {
+ Thread.sleep(100);
+ } catch (InterruptedException e1) {
+ Thread.currentThread().interrupt();
+ throw new IllegalStateException(e1);
+ }
+
+ if (n++ > 100) {
+ fail("Server didn't begin listening.");
+ }
+ }
+ }
+
+}

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