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new 78685c4 CAMEL-16080: Kamelet example
78685c4 is described below
commit 78685c4893103df222c29c077da5464577f66880
Author: Luca Burgazzoli <lburgazz...@gmail.com>
AuthorDate: Wed Jan 27 17:35:16 2021 +0100
CAMEL-16080: Kamelet example
---
examples/camel-example-kamelet/pom.xml | 101 +++++++++++++++++++++
examples/camel-example-kamelet/readme.adoc | 25 +++++
.../org/apache/camel/example/MyApplication.java | 41 +++++++++
.../org/apache/camel/example/MyRouteTemplates.java | 43 +++++++++
.../java/org/apache/camel/example/MyRoutes.java | 34 +++++++
.../src/main/resources/application.properties | 25 +++++
.../src/main/resources/logback.xml | 30 ++++++
examples/pom.xml | 1 +
8 files changed, 300 insertions(+)
diff --git a/examples/camel-example-kamelet/pom.xml
b/examples/camel-example-kamelet/pom.xml
new file mode 100644
index 0000000..fb6db60
--- /dev/null
+++ b/examples/camel-example-kamelet/pom.xml
@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+ 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.
+
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/maven-v4_0_0.xsd";>
+
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.camel.example</groupId>
+ <artifactId>examples</artifactId>
+ <version>3.8.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>camel-example-kamelet</artifactId>
+ <packaging>jar</packaging>
+ <name>Camel :: Example :: Kamelet</name>
+ <description>How to use Kamelets</description>
+
+ <properties>
+ <category>Beginner</category>
+ </properties>
+
+ <dependencyManagement>
+ <dependencies>
+ <!-- Add Camel BOM -->
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-bom</artifactId>
+ <version>${camel.version}</version>
+ <type>pom</type>
+ <scope>import</scope>
+ </dependency>
+ </dependencies>
+ </dependencyManagement>
+
+ <dependencies>
+
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-core</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-main</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-kamelet</artifactId>
+ </dependency>
+
+ <!-- logging -->
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-api</artifactId>
+ <version>${log4j2-version}</version>
+ <scope>runtime</scope>
+ </dependency>
+ <dependency>
+ <groupId>ch.qos.logback</groupId>
+ <artifactId>logback-core</artifactId>
+ <version>${logback-version}</version>
+ </dependency>
+ <dependency>
+ <groupId>ch.qos.logback</groupId>
+ <artifactId>logback-classic</artifactId>
+ <version>${logback-version}</version>
+ </dependency>
+
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-maven-plugin</artifactId>
+ <version>${camel.version}</version>
+ <configuration>
+ <logClasspath>false</logClasspath>
+
<mainClass>org.apache.camel.example.MyApplication</mainClass>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>
diff --git a/examples/camel-example-kamelet/readme.adoc
b/examples/camel-example-kamelet/readme.adoc
new file mode 100644
index 0000000..d824a42
--- /dev/null
+++ b/examples/camel-example-kamelet/readme.adoc
@@ -0,0 +1,25 @@
+== Camel Example Kamelet
+
+This examples shows how to use Route Templates (parameterized routes) to
specify a skeleton route
+which can be used for creating and adding new routes via Kamelets.
+
+The route template is defined via Java in the `MyRouteTemplates.java` source
file.
+The routes are defined via Java in the `MyRoutes.java` source file.
+
+The example runs standalone via Camel Main in the `MyApplication.java` source
file.
+
+=== How to run
+
+You can run this example using
+
+ mvn camel:run
+
+=== Help and contributions
+
+If you hit any problem using Camel or have some feedback, then please
+https://camel.apache.org/support.html[let us know].
+
+We also love contributors, so
+https://camel.apache.org/contributing.html[get involved] :-)
+
+The Camel riders!
diff --git
a/examples/camel-example-kamelet/src/main/java/org/apache/camel/example/MyApplication.java
b/examples/camel-example-kamelet/src/main/java/org/apache/camel/example/MyApplication.java
new file mode 100644
index 0000000..f5c47d0
--- /dev/null
+++
b/examples/camel-example-kamelet/src/main/java/org/apache/camel/example/MyApplication.java
@@ -0,0 +1,41 @@
+/*
+ * 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.example;
+
+import org.apache.camel.main.Main;
+
+/**
+ * Main class that boot the Camel application
+ */
+public final class MyApplication {
+
+ private MyApplication() {
+ }
+
+ public static void main(String[] args) throws Exception {
+ // use Camels Main class
+ Main main = new Main();
+ // and add route templates via routes builder
+ main.configure().addRoutesBuilder(MyRouteTemplates.class);
+ // and ass routes that will consume templates through kamelets
+ main.configure().addRoutesBuilder(MyRoutes.class);
+
+ // now keep the application running until the JVM is terminated (ctrl
+ c or sigterm)
+ main.run(args);
+ }
+
+}
diff --git
a/examples/camel-example-kamelet/src/main/java/org/apache/camel/example/MyRouteTemplates.java
b/examples/camel-example-kamelet/src/main/java/org/apache/camel/example/MyRouteTemplates.java
new file mode 100644
index 0000000..b2ae6e2
--- /dev/null
+++
b/examples/camel-example-kamelet/src/main/java/org/apache/camel/example/MyRouteTemplates.java
@@ -0,0 +1,43 @@
+/*
+ * 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.example;
+
+import org.apache.camel.builder.RouteBuilder;
+
+/**
+ * Route templates using {@link RouteBuilder} which allows
+ * us to define a number of templates (parameterized routes)
+ * which we can create routes from.
+ */
+public class MyRouteTemplates extends RouteBuilder {
+
+ @Override
+ public void configure() throws Exception {
+ // create a route template with the given name
+ routeTemplate("myTemplate")
+ // here we define the required input parameters (can have default
values)
+ .templateParameter("name")
+ .templateParameter("greeting")
+ .templateParameter("myPeriod", "3s")
+ // here comes the route in the template
+ // notice how we use {{name}} to refer to the template parameters
+ // we can also use {{propertyName}} to refer to property
placeholders
+ .from("timer:{{name}}?period={{myPeriod}}")
+ .setBody(simple("{{greeting}}"))
+ .to("kamelet:sink");
+ }
+}
diff --git
a/examples/camel-example-kamelet/src/main/java/org/apache/camel/example/MyRoutes.java
b/examples/camel-example-kamelet/src/main/java/org/apache/camel/example/MyRoutes.java
new file mode 100644
index 0000000..e9b7dc9
--- /dev/null
+++
b/examples/camel-example-kamelet/src/main/java/org/apache/camel/example/MyRoutes.java
@@ -0,0 +1,34 @@
+/*
+ * 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.example;
+
+import org.apache.camel.builder.RouteBuilder;
+
+public class MyRoutes extends RouteBuilder {
+
+ /**
+ * Configure and adds routes.
+ */
+ public void configure() {
+ // create two routes from the template
+
+ from("kamelet:myTemplate?name=myKamelet1&greeting=hello")
+ .to("log:myKamelet1");
+ from("kamelet:myTemplate?name=myKamelet2&greeting=hi")
+ .to("log:myKamelet2");
+ }
+}
diff --git
a/examples/camel-example-kamelet/src/main/resources/application.properties
b/examples/camel-example-kamelet/src/main/resources/application.properties
new file mode 100644
index 0000000..7b15eec
--- /dev/null
+++ b/examples/camel-example-kamelet/src/main/resources/application.properties
@@ -0,0 +1,25 @@
+## ---------------------------------------------------------------------------
+## 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.
+## ---------------------------------------------------------------------------
+
+# to configure camel main
+# here you can configure options on camel main (see
MainConfigurationProperties class)
+camel.main.name = MyCoolCamel
+
+# turn on lightweight mode
+camel.main.lightweight = true
+
+
diff --git a/examples/camel-example-kamelet/src/main/resources/logback.xml
b/examples/camel-example-kamelet/src/main/resources/logback.xml
new file mode 100644
index 0000000..a798d0b
--- /dev/null
+++ b/examples/camel-example-kamelet/src/main/resources/logback.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+ 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.
+
+-->
+<configuration>
+ <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+ <encoder>
+ <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} -
%msg%n</pattern>
+ </encoder>
+ </appender>
+
+ <root level="INFO">
+ <appender-ref ref="STDOUT" />
+ </root>
+</configuration>
diff --git a/examples/pom.xml b/examples/pom.xml
index d203536..c7558a5 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -120,6 +120,7 @@
<module>camel-example-jms-file</module>
<module>camel-example-jooq</module>
<module>camel-example-kafka</module>
+ <module>camel-example-kamelet</module>
<module>camel-example-kotlin</module>
<module>camel-example-loadbalancing</module>
<module>camel-example-loan-broker-cxf</module>
