BAEL-9492

messaging-modules/camel-observability/camel-observability-spring/pom.xml

@@ -0,0 +1,107 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>camel-observability</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>camel-observability-spring</artifactId>
+
+    <properties>
+        <java.version>17</java.version>
+    </properties>
+
+    <dependencyManagement>
+        <dependencies>
+            <!-- Camel BOM -->
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-starter-parent</artifactId>
+                <version>3.5.11</version>
+                <scope>import</scope>
+                <type>pom</type>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.camel.springboot</groupId>
+            <artifactId>camel-spring-boot-starter</artifactId>
+            <version>4.18.0</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-actuator-autoconfigure</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.camel.springboot</groupId>
+            <artifactId>camel-observation-starter</artifactId>
+            <version>4.18.0</version>
+        </dependency>
+
+        <dependency>
+            <groupId>io.micrometer</groupId>
+            <artifactId>micrometer-tracing</artifactId>
+            <version>1.5.0</version>
+        </dependency>
+        <dependency>
+            <groupId>io.micrometer</groupId>
+            <artifactId>micrometer-tracing-bridge-brave</artifactId>
+            <version>1.5.0</version>
+        </dependency>
+        <dependency>
+            <groupId>io.zipkin.reporter2</groupId>
+            <artifactId>zipkin-reporter-brave</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>io.micrometer</groupId>
+            <artifactId>micrometer-core</artifactId>
+            <version>1.15.9</version>
+        </dependency>
+
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-core</artifactId>
+            <version>1.5.32</version>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>1.5.32</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

messaging-modules/camel-observability/camel-observability-spring/src/data/message1.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<person user="james">
+    <firstName>James</firstName>
+    <lastName>Strachan</lastName>
+    <city>London</city>
+</person>

messaging-modules/camel-observability/camel-observability-spring/src/data/message2.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<person user="hiram">
+    <firstName>Hiram</firstName>
+    <lastName>Chirino</lastName>
+    <city>Tampa</city>
+</person>

messaging-modules/camel-observability/camel-observability-spring/src/main/java/com/baeldung/camel/observability/FirstCamelSpringBootApplication.java

@@ -0,0 +1,27 @@
+package com.baeldung.camel.observability;
+
+import org.apache.camel.observation.starter.CamelObservation;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+
+
+@CamelObservation
+@SpringBootApplication
+public class FirstCamelSpringBootApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(FirstCamelSpringBootApplication.class, args);
+    }
+
+    @Bean
+    SimpleProcessor simpleProcessor() {
+        return new SimpleProcessor();
+    }
+
+    @Bean
+    SimpleRouteBuilder simpleRouteBuilder(SimpleProcessor simpleProcessor) {
+        return new SimpleRouteBuilder(simpleProcessor);
+    }
+
+}

messaging-modules/camel-observability/camel-observability-spring/src/main/java/com/baeldung/camel/observability/SimpleProcessor.java

@@ -0,0 +1,42 @@
+package com.baeldung.camel.observability;
+
+import org.apache.camel.Exchange;
+import org.apache.camel.Processor;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.transform.OutputKeys;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+import java.io.StringWriter;
+import java.nio.charset.StandardCharsets;
+import java.time.LocalDateTime;
+
+public class SimpleProcessor implements Processor {
+
+    private static final DocumentBuilderFactory factory = DocumentBuilderFactory.newDefaultInstance();
+
+    @Override
+    public void process(Exchange exchange) throws Exception {
+        String body = exchange.getMessage().getBody(String.class);
+        String processedAt = LocalDateTime.now().toString();
+        InputStream stream = new ByteArrayInputStream(body.getBytes(StandardCharsets.UTF_8));
+        Document document = factory.newDocumentBuilder().parse(stream);
+        Element root = document.getDocumentElement();
+        Element newElemeent = document.createElement("processed");
+        newElemeent.setTextContent(processedAt);
+        root.appendChild(newElemeent);
+        TransformerFactory transformerFactory = TransformerFactory.newInstance();
+        Transformer transformer = transformerFactory.newTransformer();
+        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
+        StringWriter stringWriter = new StringWriter();
+        transformer.transform(new DOMSource(document), new StreamResult(stringWriter));
+        String newBody = stringWriter.toString();
+        exchange.getMessage().setBody(newBody);
+    }
+}

messaging-modules/camel-observability/camel-observability-spring/src/main/java/com/baeldung/camel/observability/SimpleRouteBuilder.java

@@ -0,0 +1,32 @@
+package com.baeldung.camel.observability;
+
+import org.apache.camel.builder.RouteBuilder;
+import org.springframework.beans.factory.annotation.Autowired;
+
+public class SimpleRouteBuilder extends RouteBuilder {
+
+    private final SimpleProcessor simpleProcessor;
+
+    @Autowired
+    public SimpleRouteBuilder(SimpleProcessor simpleProcessor) {
+        this.simpleProcessor = simpleProcessor;
+    }
+
+    public void configure() {
+        from("file://src/data?noop=true")
+                .process(simpleProcessor)
+                .choice()
+                .when(xpath("/person/city = 'London'"))
+                .log("UK message")
+                .to("file:target/messages/uk")
+                .log("UK message 2")
+                .to("file:target/messages/general-sink")
+                .otherwise()
+                .log("Other message")
+                .to("file:target/messages/others")
+                .log("Other message 2")
+                .to("file:target/messages/general-sink");
+
+    }
+
+}

messaging-modules/camel-observability/camel-observability-spring/src/main/resources/application.yml

@@ -0,0 +1,20 @@
+spring:
+  application:
+    name: first-camel-spring-boot
+camel:
+  main:
+    run-controller: true
+  opentelemetry2:
+    enabled: true
+    trace-processors: true
+    trace-headers-inclusion: true
+management:
+  tracing:
+    sampling:
+      probability: 1.0
+  endpoints:
+    web:
+      exposure:
+        include: health,metrics,prometheus
+  server:
+    port: 7654

messaging-modules/camel-observability/camel-observability-standalone/pom.xml

@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>camel-observability</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>camel-observability-standalone</artifactId>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+    </properties>
+
+    <dependencyManagement>
+        <dependencies>
+            <!-- Camel BOM -->
+            <dependency>
+                <groupId>org.apache.camel</groupId>
+                <artifactId>camel-bom</artifactId>
+                <version>4.17.0</version>
+                <scope>import</scope>
+                <type>pom</type>
+            </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-observability-services</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.camel</groupId>
+            <artifactId>camel-opentelemetry2</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>1.5.29</version>
+            <scope>compile</scope>
+        </dependency>
+
+        <!-- testing -->
+        <dependency>
+            <groupId>org.apache.camel</groupId>
+            <artifactId>camel-test</artifactId>
+            <version>3.22.4</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <defaultGoal>install</defaultGoal>
+
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.10.1</version>
+                <configuration>
+                    <release>11</release>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-resources-plugin</artifactId>
+                <version>3.2.0</version>
+                <configuration>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+            </plugin>
+
+            <!-- Allows the example to be run via 'mvn camel:run' -->
+            <plugin>
+                <groupId>org.apache.camel</groupId>
+                <artifactId>camel-maven-plugin</artifactId>
+                <version>3.18.4</version>
+                <configuration>
+                    <logClasspath>true</logClasspath>
+                    <mainClass>com.baeldung.camel.observability.MainApp</mainClass>
+                </configuration>
+            </plugin>
+
+        </plugins>
+    </build>
+
+</project>

messaging-modules/camel-observability/camel-observability-standalone/src/data/message1.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<person user="james">
+    <firstName>James</firstName>
+    <lastName>Strachan</lastName>
+    <city>London</city>
+</person>

messaging-modules/camel-observability/camel-observability-standalone/src/data/message2.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<person user="hiram">
+    <firstName>Hiram</firstName>
+    <lastName>Chirino</lastName>
+    <city>Tampa</city>
+</person>

messaging-modules/camel-observability/camel-observability-standalone/src/main/java/com/baeldung/camel/observability/MainApp.java

@@ -0,0 +1,15 @@
+package com.baeldung.camel.observability;
+
+import org.apache.camel.main.Main;
+
+public class MainApp {
+
+    public static void main(String... args) throws Exception {
+        Main main = new Main();
+        main.configure().addRoutesBuilder(new SimpleRouteBuilder());
+        main.bind("SimpleProcessor", new SimpleProcessor());
+        main.run(args);
+    }
+
+}
+