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The following commit(s) were added to refs/heads/master by this push:
new bdbe15b main: provide a minimal Main implementation tailored for
embedding it (#4398)
bdbe15b is described below
commit bdbe15b5ba52fa984fb6fd2cd69f2b1fc1a0c93a
Author: Luca Burgazzoli <lburgazz...@users.noreply.github.com>
AuthorDate: Thu Oct 8 18:56:02 2020 +0200
main: provide a minimal Main implementation tailored for embedding it
(#4398)
---
.../java/org/apache/camel/main/SimpleMain.java | 64 ++++++++++++
.../java/org/apache/camel/main/SimpleMainTest.java | 107 +++++++++++++++++++++
2 files changed, 171 insertions(+)
diff --git
a/core/camel-main/src/main/java/org/apache/camel/main/SimpleMain.java
b/core/camel-main/src/main/java/org/apache/camel/main/SimpleMain.java
new file mode 100644
index 0000000..1023eea
--- /dev/null
+++ b/core/camel-main/src/main/java/org/apache/camel/main/SimpleMain.java
@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.camel.main;
+
+import org.apache.camel.CamelContext;
+
+/**
+ * A minimal Main class for booting Camel.
+ */
+public class SimpleMain extends BaseMainSupport {
+ public SimpleMain(CamelContext camelContext) {
+ super(camelContext);
+ }
+
+ @Override
+ protected void doInit() throws Exception {
+ super.doInit();
+ postProcessCamelContext(camelContext);
+ }
+
+ @Override
+ protected void doStart() throws Exception {
+ for (MainListener listener : listeners) {
+ listener.beforeStart(this);
+ }
+
+ super.doStart();
+
+ getCamelContext().start();
+
+ for (MainListener listener : listeners) {
+ listener.afterStart(this);
+ }
+ }
+
+ @Override
+ protected void doStop() throws Exception {
+ for (MainListener listener : listeners) {
+ listener.beforeStop(this);
+ }
+
+ super.doStart();
+
+ getCamelContext().stop();
+
+ for (MainListener listener : listeners) {
+ listener.afterStop(this);
+ }
+ }
+}
diff --git
a/core/camel-main/src/test/java/org/apache/camel/main/SimpleMainTest.java
b/core/camel-main/src/test/java/org/apache/camel/main/SimpleMainTest.java
new file mode 100644
index 0000000..15c642b
--- /dev/null
+++ b/core/camel-main/src/test/java/org/apache/camel/main/SimpleMainTest.java
@@ -0,0 +1,107 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.camel.main;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.camel.CamelContext;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.component.mock.MockEndpoint;
+import org.apache.camel.impl.DefaultCamelContext;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertSame;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class SimpleMainTest {
+
+ @Test
+ public void testSimpleMain() throws Exception {
+ List<String> events = new ArrayList<>();
+ CamelContext context = new DefaultCamelContext();
+
+ SimpleMain main = new SimpleMain(context);
+ main.configure().addRoutesBuilder(new MyRouteBuilder());
+ main.addMainListener(new MainListenerSupport() {
+ @Override
+ public void beforeInitialize(BaseMainSupport main) {
+ events.add("beforeInitialize");
+ }
+
+ @Override
+ public void beforeConfigure(BaseMainSupport main) {
+ events.add("beforeConfigure");
+ }
+
+ @Override
+ public void afterConfigure(BaseMainSupport main) {
+ events.add("afterConfigure");
+ }
+
+ @Override
+ public void beforeStart(BaseMainSupport main) {
+ events.add("beforeStart");
+ }
+
+ @Override
+ public void afterStart(BaseMainSupport main) {
+ events.add("afterStart");
+ }
+
+ @Override
+ public void beforeStop(BaseMainSupport main) {
+ events.add("beforeStop");
+ }
+
+ @Override
+ public void afterStop(BaseMainSupport main) {
+ events.add("afterStop");
+ }
+
+ });
+ main.start();
+
+ try {
+ assertSame(context, main.getCamelContext());
+
+ MockEndpoint endpoint = context.getEndpoint("mock:results",
MockEndpoint.class);
+ endpoint.expectedMinimumMessageCount(1);
+
+ context.createProducerTemplate().sendBody("direct:start",
"<message>1</message>");
+
+ endpoint.assertIsSatisfied();
+ } finally {
+ main.stop();
+ }
+
+ assertTrue(events.contains("beforeInitialize"));
+ assertTrue(events.contains("beforeConfigure"));
+ assertTrue(events.contains("afterConfigure"));
+ assertTrue(events.contains("beforeStart"));
+ assertTrue(events.contains("afterStart"));
+ assertTrue(events.contains("beforeStop"));
+ assertTrue(events.contains("afterStop"));
+ }
+
+ public static class MyRouteBuilder extends RouteBuilder {
+ @Override
+ public void configure() throws Exception {
+ from("direct:start").to("mock:results");
+ }
+ }
+}
