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commit e23466692d005a456fc12f81a62e8a3e9d4fa371
Author: Claus Ibsen <claus.ib...@gmail.com>
AuthorDate: Tue Mar 5 05:51:21 2019 +0100
CAMEL-13283: Add example
---
examples/camel-example-main/pom.xml | 85 ++++++++++++++++++++++
examples/camel-example-main/readme.adoc | 13 ++++
.../org/apache/camel/example/MyApplication.java | 80 ++++++++++++++++++++
.../src/main/resources/log4j2.properties | 23 ++++++
examples/pom.xml | 1 +
5 files changed, 202 insertions(+)
diff --git a/examples/camel-example-main/pom.xml
b/examples/camel-example-main/pom.xml
new file mode 100644
index 0000000..f2c9489
--- /dev/null
+++ b/examples/camel-example-main/pom.xml
@@ -0,0 +1,85 @@
+<?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>3.0.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>camel-example-main</artifactId>
+ <packaging>jar</packaging>
+ <name>Camel :: Example :: Main</name>
+ <description>An example for showing standalone Camel</description>
+
+ <properties>
+ <category>Beginner</category>
+ </properties>
+
+ <dependencies>
+
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-core</artifactId>
+ </dependency>
+
+ <!-- logging -->
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-api</artifactId>
+ <scope>runtime</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-core</artifactId>
+ <scope>runtime</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-slf4j-impl</artifactId>
+ <scope>runtime</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-jul</artifactId>
+ <scope>runtime</scope>
+ </dependency>
+
+ </dependencies>
+
+ <build>
+ <plugins>
+ <!-- Allows the example to be run via 'mvn camel:run' -->
+ <plugin>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-maven-plugin</artifactId>
+ <version>${project.version}</version>
+ <configuration>
+ <mainClass>org.apache.camel.example.MyApplication</mainClass>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>
diff --git a/examples/camel-example-main/readme.adoc
b/examples/camel-example-main/readme.adoc
new file mode 100644
index 0000000..18aef79
--- /dev/null
+++ b/examples/camel-example-main/readme.adoc
@@ -0,0 +1,13 @@
+# Camel Example Main
+
+This example shows how to run Camel standalone via the built-in Main class.
+
+## How to run
+
+You can run this example using
+
+ mvn camel:run
+
+## More information
+
+You can find more information about Apache Camel at the website:
http://camel.apache.org/
diff --git
a/examples/camel-example-main/src/main/java/org/apache/camel/example/MyApplication.java
b/examples/camel-example-main/src/main/java/org/apache/camel/example/MyApplication.java
new file mode 100644
index 0000000..e60df81
--- /dev/null
+++
b/examples/camel-example-main/src/main/java/org/apache/camel/example/MyApplication.java
@@ -0,0 +1,80 @@
+/**
+ * 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 java.util.Date;
+import java.util.Objects;
+
+import org.apache.camel.Exchange;
+import org.apache.camel.Message;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.main.Main;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public final class MyApplication {
+ private static final Logger LOGGER =
LoggerFactory.getLogger(MyApplication.class);
+
+ private MyApplication() {
+ }
+
+ public static void main(String[] args) throws Exception {
+ Main main = new Main();
+ main.addRouteBuilder(new MyRouteBuilder());
+ main.run(args);
+ }
+
+ private static class MyRouteBuilder extends RouteBuilder {
+ @Override
+ public void configure() throws Exception {
+ from("timer:simple?period=503")
+ .id("simple-route")
+ .transform()
+ .exchange(this::dateToTime)
+ .process()
+ .message(this::log)
+ .process()
+ .body(this::log)
+ .choice()
+ .when()
+ .body(Integer.class, b -> (b & 1) == 0)
+ .log("Received even number")
+ .when()
+ .body(Integer.class, (b, h) -> h.containsKey("skip") ?
false : (b & 1) == 0)
+ .log("Received odd number")
+ .when()
+ .body(Objects::isNull)
+ .log("Received null body")
+ .when()
+ .body(Integer.class, b -> (b & 1) != 0)
+ .log("Received odd number")
+ .endChoice();
+ }
+
+ private Long dateToTime(Exchange e) {
+ return e.getProperty(Exchange.TIMER_FIRED_TIME,
Date.class).getTime();
+ }
+
+ private void log(Object b) {
+ LOGGER.info("body is: {}", b);
+ }
+
+ private void log(Message m) {
+ LOGGER.info("message is: {}", m);
+ }
+ }
+}
diff --git a/examples/camel-example-main/src/main/resources/log4j2.properties
b/examples/camel-example-main/src/main/resources/log4j2.properties
new file mode 100644
index 0000000..d406a9f
--- /dev/null
+++ b/examples/camel-example-main/src/main/resources/log4j2.properties
@@ -0,0 +1,23 @@
+## ---------------------------------------------------------------------------
+## 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.
+## ---------------------------------------------------------------------------
+
+appender.out.type = Console
+appender.out.name = out
+appender.out.layout.type = PatternLayout
+appender.out.layout.pattern = %d [%-15.15t] %-5p %-30.30c{1} - %m%n
+rootLogger.level = INFO
+rootLogger.appenderRef.out.ref = out
diff --git a/examples/pom.xml b/examples/pom.xml
index ab39b58..a5c5d8b 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -77,6 +77,7 @@
<module>camel-example-loadbalancing</module>
<module>camel-example-loan-broker-cxf</module>
<module>camel-example-loan-broker-jms</module>
+ <module>camel-example-main</module>
<module>camel-example-management</module>
<module>camel-example-micrometer</module>
<module>camel-example-mybatis</module>
