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[GitHub] lburgazzoli closed pull request #288: Support for camel context customizer


lburgazzoli closed pull request #288: Support for camel context customizer
URL: https://github.com/apache/camel-k/pull/288
 
 
   

This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:

As this is a foreign pull request (from a fork), the diff is supplied
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diff --git a/runtime/api/pom.xml b/runtime/api/pom.xml
new file mode 100644
index 00000000..e8e59e63
--- /dev/null
+++ b/runtime/api/pom.xml
@@ -0,0 +1,77 @@
+<?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/xsd/maven-4.0.0.xsd";>
+    <parent>
+        <groupId>org.apache.camel.k</groupId>
+        <artifactId>camel-k-runtime-parent</artifactId>
+        <version>0.1.1-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>camel-k-runtime-api</artifactId>
+
+    <dependencies>
+
+        <!-- ****************************** -->
+        <!--                                -->
+        <!-- RUNTIME                        -->
+        <!--                                -->
+        <!-- ****************************** -->
+
+        <dependency>
+            <groupId>org.apache.camel</groupId>
+            <artifactId>camel-core</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>${slf4j.version}</version>
+        </dependency>
+
+        <!-- ****************************** -->
+        <!--                                -->
+        <!-- TESTS                          -->
+        <!--                                -->
+        <!-- ****************************** -->
+
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <version>${junit-jupiter.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-engine</artifactId>
+            <version>${junit-jupiter.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>
diff --git a/runtime/api/src/main/java/org/apache/camel/k/CamelContextCustomizer.java b/runtime/api/src/main/java/org/apache/camel/k/CamelContextCustomizer.java
new file mode 100644
index 00000000..11a2ae02
--- /dev/null
+++ b/runtime/api/src/main/java/org/apache/camel/k/CamelContextCustomizer.java
@@ -0,0 +1,28 @@
+package org.apache.camel.k;
+
+import org.apache.camel.CamelContext;
+
+/**
+ * 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.
+ */
+
+@FunctionalInterface
+public interface CamelContextCustomizer {
+    /**
+     * Perform CamelContext customization.
+     */
+    void customize(CamelContext camelContext);
+}
diff --git a/runtime/jvm/src/main/java/org/apache/camel/k/jvm/RuntimeRegistry.java b/runtime/api/src/main/java/org/apache/camel/k/RuntimeRegistry.java
similarity index 96%
rename from runtime/jvm/src/main/java/org/apache/camel/k/jvm/RuntimeRegistry.java
rename to runtime/api/src/main/java/org/apache/camel/k/RuntimeRegistry.java
index 7e13a283..895fe339 100644
--- a/runtime/jvm/src/main/java/org/apache/camel/k/jvm/RuntimeRegistry.java
+++ b/runtime/api/src/main/java/org/apache/camel/k/RuntimeRegistry.java
@@ -14,17 +14,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.camel.k.jvm;
+package org.apache.camel.k;
 
 import java.util.Map;
 
 import org.apache.camel.spi.Registry;
 
 public interface RuntimeRegistry extends Registry {
-
-    /**
-     *
-     */
     void bind(String name, Object bean);
 
     @SuppressWarnings("deprecation")
diff --git a/runtime/api/src/main/java/org/apache/camel/k/RuntimeRegistryAware.java b/runtime/api/src/main/java/org/apache/camel/k/RuntimeRegistryAware.java
new file mode 100644
index 00000000..f440aa05
--- /dev/null
+++ b/runtime/api/src/main/java/org/apache/camel/k/RuntimeRegistryAware.java
@@ -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.
+ */
+package org.apache.camel.k;
+
+public interface RuntimeRegistryAware {
+    void setRuntimeRegistry(RuntimeRegistry registry);
+
+    RuntimeRegistry getRuntimeRegistry();
+}
diff --git a/runtime/groovy/src/main/groovy/org/apache/camel/k/groovy/GroovyRoutesLoader.groovy b/runtime/groovy/src/main/groovy/org/apache/camel/k/groovy/GroovyRoutesLoader.groovy
index 932f5265..d25e6aaf 100644
--- a/runtime/groovy/src/main/groovy/org/apache/camel/k/groovy/GroovyRoutesLoader.groovy
+++ b/runtime/groovy/src/main/groovy/org/apache/camel/k/groovy/GroovyRoutesLoader.groovy
@@ -18,6 +18,7 @@ package org.apache.camel.k.groovy
 
 
 import org.apache.camel.builder.RouteBuilder
+import org.apache.camel.k.RuntimeRegistry
 import org.apache.camel.k.groovy.dsl.IntegrationConfiguration
 import org.apache.camel.k.jvm.*
 import org.codehaus.groovy.control.CompilerConfiguration
diff --git a/runtime/groovy/src/main/groovy/org/apache/camel/k/groovy/dsl/ContextConfiguration.groovy b/runtime/groovy/src/main/groovy/org/apache/camel/k/groovy/dsl/ContextConfiguration.groovy
index 405fe8c1..d70dd04d 100644
--- a/runtime/groovy/src/main/groovy/org/apache/camel/k/groovy/dsl/ContextConfiguration.groovy
+++ b/runtime/groovy/src/main/groovy/org/apache/camel/k/groovy/dsl/ContextConfiguration.groovy
@@ -17,7 +17,7 @@
 package org.apache.camel.k.groovy.dsl
 
 import org.apache.camel.CamelContext
-import org.apache.camel.k.jvm.RuntimeRegistry
+import org.apache.camel.k.RuntimeRegistry
 
 class ContextConfiguration {
     private final CamelContext context
diff --git a/runtime/groovy/src/main/groovy/org/apache/camel/k/groovy/dsl/IntegrationConfiguration.groovy b/runtime/groovy/src/main/groovy/org/apache/camel/k/groovy/dsl/IntegrationConfiguration.groovy
index 5b07bd53..fdc860aa 100644
--- a/runtime/groovy/src/main/groovy/org/apache/camel/k/groovy/dsl/IntegrationConfiguration.groovy
+++ b/runtime/groovy/src/main/groovy/org/apache/camel/k/groovy/dsl/IntegrationConfiguration.groovy
@@ -21,7 +21,7 @@ import org.apache.camel.Exchange
 import org.apache.camel.Predicate
 import org.apache.camel.Processor
 import org.apache.camel.builder.RouteBuilder
-import org.apache.camel.k.jvm.RuntimeRegistry
+import org.apache.camel.k.RuntimeRegistry
 import org.apache.camel.k.jvm.dsl.Components
 import org.apache.camel.model.RouteDefinition
 
diff --git a/runtime/groovy/src/main/groovy/org/apache/camel/k/groovy/dsl/RegistryConfiguration.groovy b/runtime/groovy/src/main/groovy/org/apache/camel/k/groovy/dsl/RegistryConfiguration.groovy
index 0b7b23d8..f695ec19 100644
--- a/runtime/groovy/src/main/groovy/org/apache/camel/k/groovy/dsl/RegistryConfiguration.groovy
+++ b/runtime/groovy/src/main/groovy/org/apache/camel/k/groovy/dsl/RegistryConfiguration.groovy
@@ -16,7 +16,7 @@
  */
 package org.apache.camel.k.groovy.dsl
 
-import org.apache.camel.k.jvm.RuntimeRegistry
+import org.apache.camel.k.RuntimeRegistry
 
 class RegistryConfiguration {
     private final RuntimeRegistry registry
diff --git a/runtime/jvm/pom.xml b/runtime/jvm/pom.xml
index b02dc3cd..7199ec8a 100644
--- a/runtime/jvm/pom.xml
+++ b/runtime/jvm/pom.xml
@@ -29,10 +29,6 @@
 
     <artifactId>camel-k-runtime-jvm</artifactId>
 
-    <properties>
-        <kotlin.version>1.2.71</kotlin.version>
-    </properties>
-
     <dependencies>
 
         <!-- ****************************** -->
@@ -42,13 +38,9 @@
         <!-- ****************************** -->
 
         <dependency>
-            <groupId>org.apache.camel</groupId>
-            <artifactId>camel-core</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>slf4j-api</artifactId>
-            <version>${slf4j.version}</version>
+            <groupId>org.apache.camel.k</groupId>
+            <artifactId>camel-k-runtime-api</artifactId>
+            <version>${project.version}</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
diff --git a/runtime/jvm/src/main/java/org/apache/camel/k/jvm/Application.java b/runtime/jvm/src/main/java/org/apache/camel/k/jvm/Application.java
index 917b5660..3a0d2e79 100644
--- a/runtime/jvm/src/main/java/org/apache/camel/k/jvm/Application.java
+++ b/runtime/jvm/src/main/java/org/apache/camel/k/jvm/Application.java
@@ -21,6 +21,8 @@
 import org.apache.camel.CamelContext;
 import org.apache.camel.Component;
 import org.apache.camel.component.properties.PropertiesComponent;
+import org.apache.camel.k.RuntimeRegistry;
+import org.apache.camel.k.RuntimeRegistryAware;
 import org.apache.camel.main.MainListenerSupport;
 import org.apache.camel.support.LifecycleStrategySupport;
 import org.apache.camel.util.ObjectHelper;
@@ -64,9 +66,22 @@ public static void main(String[] args) throws Exception {
     //
     // *******************************
 
-    static class ComponentPropertiesBinder extends MainListenerSupport {
+    static class ComponentPropertiesBinder extends MainListenerSupport implements RuntimeRegistryAware {
+        private RuntimeRegistry runtimeRegistry;
+
+        @Override
+        public RuntimeRegistry getRuntimeRegistry() {
+            return runtimeRegistry;
+        }
+
+        @Override
+        public void setRuntimeRegistry(RuntimeRegistry runtimeRegistry) {
+            this.runtimeRegistry = runtimeRegistry;
+        }
+
         @Override
         public void configure(CamelContext context) {
+
             final PropertiesComponent component = context.getComponent("properties", PropertiesComponent.class);
             final Properties properties = component.getInitialProperties();
 
@@ -80,6 +95,13 @@ public void configure(CamelContext context) {
             //
             RuntimeSupport.bindProperties(properties, context, "camel.context.");
 
+            // Programmatically customize the camel context.
+            //
+            // This is useful to configure services such as the ClusterService,
+            // RouteController, etc
+            //
+            RuntimeSupport.configureContext(runtimeRegistry, context);
+
             context.addLifecycleStrategy(new LifecycleStrategySupport() {
                 @SuppressWarnings("unchecked")
                 @Override
diff --git a/runtime/jvm/src/main/java/org/apache/camel/k/jvm/RoutesLoader.java b/runtime/jvm/src/main/java/org/apache/camel/k/jvm/RoutesLoader.java
index faac8edb..ce90db65 100644
--- a/runtime/jvm/src/main/java/org/apache/camel/k/jvm/RoutesLoader.java
+++ b/runtime/jvm/src/main/java/org/apache/camel/k/jvm/RoutesLoader.java
@@ -19,6 +19,7 @@
 import java.util.List;
 
 import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.k.RuntimeRegistry;
 
 public interface RoutesLoader {
     /**
diff --git a/runtime/jvm/src/main/java/org/apache/camel/k/jvm/RoutesLoaders.java b/runtime/jvm/src/main/java/org/apache/camel/k/jvm/RoutesLoaders.java
index 5f670780..92814a97 100644
--- a/runtime/jvm/src/main/java/org/apache/camel/k/jvm/RoutesLoaders.java
+++ b/runtime/jvm/src/main/java/org/apache/camel/k/jvm/RoutesLoaders.java
@@ -32,6 +32,7 @@
 
 import org.apache.camel.CamelContext;
 import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.k.RuntimeRegistry;
 import org.apache.camel.k.jvm.dsl.Components;
 import org.apache.camel.model.RouteDefinition;
 import org.apache.camel.model.rest.RestConfigurationDefinition;
diff --git a/runtime/jvm/src/main/java/org/apache/camel/k/jvm/Runtime.java b/runtime/jvm/src/main/java/org/apache/camel/k/jvm/Runtime.java
index 1e05e70b..45a90451 100644
--- a/runtime/jvm/src/main/java/org/apache/camel/k/jvm/Runtime.java
+++ b/runtime/jvm/src/main/java/org/apache/camel/k/jvm/Runtime.java
@@ -27,6 +27,9 @@
 import org.apache.camel.component.properties.PropertiesComponent;
 import org.apache.camel.impl.CompositeRegistry;
 import org.apache.camel.impl.DefaultCamelContext;
+import org.apache.camel.k.RuntimeRegistry;
+import org.apache.camel.k.RuntimeRegistryAware;
+import org.apache.camel.main.MainListener;
 import org.apache.camel.main.MainSupport;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -57,6 +60,15 @@ public void load(String[] routes) throws Exception {
         }
     }
 
+    @Override
+    public void addMainListener(MainListener listener) {
+        if (listener instanceof RuntimeRegistryAware) {
+            ((RuntimeRegistryAware) listener).setRuntimeRegistry(registry);
+        }
+
+        super.addMainListener(listener);
+    }
+
     public RuntimeRegistry getRegistry() {
         return registry;
     }
diff --git a/runtime/jvm/src/main/java/org/apache/camel/k/jvm/RuntimeSupport.java b/runtime/jvm/src/main/java/org/apache/camel/k/jvm/RuntimeSupport.java
index 936e4d15..4ffd0e7b 100644
--- a/runtime/jvm/src/main/java/org/apache/camel/k/jvm/RuntimeSupport.java
+++ b/runtime/jvm/src/main/java/org/apache/camel/k/jvm/RuntimeSupport.java
@@ -27,7 +27,11 @@
 import java.nio.file.attribute.BasicFileAttributes;
 import java.util.Objects;
 import java.util.Properties;
+import java.util.ServiceLoader;
 
+import org.apache.camel.CamelContext;
+import org.apache.camel.k.CamelContextCustomizer;
+import org.apache.camel.k.RuntimeRegistry;
 import org.apache.camel.util.IntrospectionSupport;
 import org.apache.camel.util.ObjectHelper;
 import org.apache.commons.io.FilenameUtils;
@@ -102,6 +106,20 @@ public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IO
         return properties;
     }
 
+    public static void configureContext(RuntimeRegistry registry, CamelContext context) {
+        ServiceLoader.load(CamelContextCustomizer.class, context.getApplicationContextClassLoader()).forEach(
+            customizer -> {
+                customizer.customize(context);
+            }
+        );
+
+        registry.findByType(CamelContextCustomizer.class).forEach(
+            customizer -> {
+                customizer.customize(context);
+            }
+        );
+    }
+
     public static void configureLogging() {
         final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
         final Properties properties = loadProperties();
diff --git a/runtime/jvm/src/main/java/org/apache/camel/k/jvm/SimpleRuntimeRegistry.java b/runtime/jvm/src/main/java/org/apache/camel/k/jvm/SimpleRuntimeRegistry.java
index 1035b9c4..c62175fe 100644
--- a/runtime/jvm/src/main/java/org/apache/camel/k/jvm/SimpleRuntimeRegistry.java
+++ b/runtime/jvm/src/main/java/org/apache/camel/k/jvm/SimpleRuntimeRegistry.java
@@ -24,6 +24,7 @@
 import java.util.stream.Collectors;
 
 import org.apache.camel.NoSuchBeanException;
+import org.apache.camel.k.RuntimeRegistry;
 
 public class SimpleRuntimeRegistry implements RuntimeRegistry {
     private final ConcurrentMap<String, Object> registry;
diff --git a/runtime/jvm/src/test/java/org/apache/camel/k/jvm/PropertiesTest.java b/runtime/jvm/src/test/java/org/apache/camel/k/jvm/PropertiesTest.java
index 6ae83242..ab47495b 100644
--- a/runtime/jvm/src/test/java/org/apache/camel/k/jvm/PropertiesTest.java
+++ b/runtime/jvm/src/test/java/org/apache/camel/k/jvm/PropertiesTest.java
@@ -19,12 +19,11 @@
 import java.util.Properties;
 import java.util.concurrent.ThreadLocalRandom;
 
-import org.apache.camel.CamelContext;
 import org.apache.camel.component.seda.SedaComponent;
-import org.apache.camel.main.MainListenerSupport;
-import org.apache.camel.main.MainSupport;
+import org.apache.camel.k.CamelContextCustomizer;
 import org.junit.jupiter.api.Test;
 
+import static org.apache.camel.k.jvm.RuntimeTestSupport.afterStart;
 import static org.assertj.core.api.Assertions.assertThat;
 
 public class PropertiesTest {
@@ -37,23 +36,13 @@ public void testLoadProperties() throws Exception {
         runtime.setProperties(properties);
         runtime.setDuration(5);
         runtime.addMainListener(new Application.ComponentPropertiesBinder());
-        runtime.addMainListener(new MainListenerSupport() {
-            @Override
-            public void afterStart(MainSupport main) {
-                try {
-                    CamelContext context = main.getCamelContexts().get(0);
-
-                    assertThat(context.resolvePropertyPlaceholders("{{root.key}}")).isEqualTo("root.value");
-                    assertThat(context.resolvePropertyPlaceholders("{{001.key}}")).isEqualTo("001.value");
-                    assertThat(context.resolvePropertyPlaceholders("{{002.key}}")).isEqualTo("002.value");
-                    assertThat(context.resolvePropertyPlaceholders("{{a.key}}")).isEqualTo("a.002");
-
-                    main.stop();
-                } catch (Exception e) {
-                    throw new RuntimeException(e);
-                }
-            }
-        });
+        runtime.addMainListener(afterStart((main, context) -> {
+            assertThat(context.resolvePropertyPlaceholders("{{root.key}}")).isEqualTo("root.value");
+            assertThat(context.resolvePropertyPlaceholders("{{001.key}}")).isEqualTo("001.value");
+            assertThat(context.resolvePropertyPlaceholders("{{002.key}}")).isEqualTo("002.value");
+            assertThat(context.resolvePropertyPlaceholders("{{a.key}}")).isEqualTo("a.002");
+            main.stop();
+        }));
 
         runtime.run();
     }
@@ -67,21 +56,12 @@ public void testSystemProperties() throws Exception {
             runtime.setProperties(System.getProperties());
             runtime.setDuration(5);
             runtime.addMainListener(new Application.ComponentPropertiesBinder());
-            runtime.addMainListener(new MainListenerSupport() {
-                @Override
-                public void afterStart(MainSupport main) {
-                    try {
-                        CamelContext context = main.getCamelContexts().get(0);
-                        String value = context.resolvePropertyPlaceholders("{{my.property}}");
-
-                        assertThat(value).isEqualTo("my.value");
-
-                        main.stop();
-                    } catch (Exception e) {
-                        throw new RuntimeException(e);
-                    }
-                }
-            });
+            runtime.addMainListener(afterStart((main, context) -> {
+                String value = context.resolvePropertyPlaceholders("{{my.property}}");
+
+                assertThat(value).isEqualTo("my.value");
+                main.stop();
+            }));
 
             runtime.run();
         } finally {
@@ -103,21 +83,11 @@ public void testComponentConfiguration() throws Exception {
             runtime.setDuration(5);
             runtime.getRegistry().bind("my-seda", new SedaComponent());
             runtime.addMainListener(new Application.ComponentPropertiesBinder());
-            runtime.addMainListener(new MainListenerSupport() {
-                @Override
-                public void afterStart(MainSupport main) {
-                    try {
-                        CamelContext context = main.getCamelContexts().get(0);
-
-                        assertThat(context.getComponent("seda", true)).hasFieldOrPropertyWithValue("queueSize", queueSize1);
-                        assertThat(context.getComponent("my-seda", true)).hasFieldOrPropertyWithValue("queueSize", queueSize2);
-
-                        main.stop();
-                    } catch (Exception e) {
-                        throw new RuntimeException(e);
-                    }
-                }
-            });
+            runtime.addMainListener(afterStart((main, context) -> {
+                assertThat(context.getComponent("seda", true)).hasFieldOrPropertyWithValue("queueSize", queueSize1);
+                assertThat(context.getComponent("my-seda", true)).hasFieldOrPropertyWithValue("queueSize", queueSize2);
+                main.stop();
+            }));
 
             runtime.run();
         } finally {
@@ -135,23 +105,12 @@ public void testContextConfiguration() throws Exception {
             Runtime runtime = new Runtime();
             runtime.setProperties(System.getProperties());
             runtime.setDuration(5);
-            runtime.getRegistry().bind("my-seda", new SedaComponent());
             runtime.addMainListener(new Application.ComponentPropertiesBinder());
-            runtime.addMainListener(new MainListenerSupport() {
-                @Override
-                public void afterStart(MainSupport main) {
-                    try {
-                        CamelContext context = main.getCamelContexts().get(0);
-
-                        assertThat(context.isMessageHistory()).isFalse();
-                        assertThat(context.isLoadTypeConverters()).isFalse();
-
-                        main.stop();
-                    } catch (Exception e) {
-                        throw new RuntimeException(e);
-                    }
-                }
-            });
+            runtime.addMainListener(afterStart((main, context) -> {
+                assertThat(context.isMessageHistory()).isFalse();
+                assertThat(context.isLoadTypeConverters()).isFalse();
+                main.stop();
+            }));
 
             runtime.run();
         } finally {
@@ -159,4 +118,23 @@ public void afterStart(MainSupport main) {
             System.getProperties().remove("camel.context.loadTypeConverters");
         }
     }
+
+    @Test
+    public void testContextCustomizer() throws Exception {
+        Runtime runtime = new Runtime();
+        runtime.setProperties(System.getProperties());
+        runtime.setDuration(5);
+        runtime.getRegistry().bind("c1", (CamelContextCustomizer) context -> {
+            context.setMessageHistory(false);
+            context.setLoadTypeConverters(false);
+        });
+        runtime.addMainListener(new Application.ComponentPropertiesBinder());
+        runtime.addMainListener(afterStart((main, context) -> {
+            assertThat(context.isMessageHistory()).isFalse();
+            assertThat(context.isLoadTypeConverters()).isFalse();
+            main.stop();
+        }));
+
+        runtime.run();
+    }
 }
diff --git a/runtime/jvm/src/test/java/org/apache/camel/k/jvm/RuntimeTestSupport.java b/runtime/jvm/src/test/java/org/apache/camel/k/jvm/RuntimeTestSupport.java
new file mode 100644
index 00000000..d72ddddd
--- /dev/null
+++ b/runtime/jvm/src/test/java/org/apache/camel/k/jvm/RuntimeTestSupport.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.k.jvm;
+
+import org.apache.camel.CamelContext;
+import org.apache.camel.main.MainListener;
+import org.apache.camel.main.MainListenerSupport;
+import org.apache.camel.main.MainSupport;
+import org.apache.camel.util.function.ThrowingBiConsumer;
+
+public final class RuntimeTestSupport {
+    private RuntimeTestSupport() {
+    }
+
+    public static MainListener afterStart(ThrowingBiConsumer<MainSupport, CamelContext, Exception> consumer) {
+        return new MainListenerSupport() {
+            @Override
+            public void afterStart(MainSupport main) {
+                try {
+                    consumer.accept(main, main.getCamelContexts().get(0));
+                } catch (Exception e) {
+                    throw new RuntimeException(e);
+                }
+            }
+        };
+    }
+}
diff --git a/runtime/kotlin/src/main/kotlin/org/apache/camel/k/kotlin/KotlinRoutesLoader.kt b/runtime/kotlin/src/main/kotlin/org/apache/camel/k/kotlin/KotlinRoutesLoader.kt
index fba85d60..fa33b55c 100644
--- a/runtime/kotlin/src/main/kotlin/org/apache/camel/k/kotlin/KotlinRoutesLoader.kt
+++ b/runtime/kotlin/src/main/kotlin/org/apache/camel/k/kotlin/KotlinRoutesLoader.kt
@@ -17,6 +17,7 @@
 package org.apache.camel.k.kotlin
 
 import org.apache.camel.builder.RouteBuilder
+import org.apache.camel.k.RuntimeRegistry
 import org.apache.camel.k.jvm.*
 import org.apache.camel.k.kotlin.dsl.IntegrationConfiguration
 import org.slf4j.Logger
diff --git a/runtime/kotlin/src/main/kotlin/org/apache/camel/k/kotlin/dsl/ContextConfiguration.kt b/runtime/kotlin/src/main/kotlin/org/apache/camel/k/kotlin/dsl/ContextConfiguration.kt
index 618d1c79..9dbf77f2 100644
--- a/runtime/kotlin/src/main/kotlin/org/apache/camel/k/kotlin/dsl/ContextConfiguration.kt
+++ b/runtime/kotlin/src/main/kotlin/org/apache/camel/k/kotlin/dsl/ContextConfiguration.kt
@@ -17,7 +17,7 @@
 package org.apache.camel.k.kotlin.dsl
 
 import org.apache.camel.CamelContext
-import org.apache.camel.k.jvm.RuntimeRegistry
+import org.apache.camel.k.RuntimeRegistry
 
 class ContextConfiguration (val registry: RuntimeRegistry, val context: CamelContext) {
 
diff --git a/runtime/kotlin/src/main/kotlin/org/apache/camel/k/kotlin/dsl/IntegrationConfiguration.kt b/runtime/kotlin/src/main/kotlin/org/apache/camel/k/kotlin/dsl/IntegrationConfiguration.kt
index 52d20f4b..926ad3ac 100644
--- a/runtime/kotlin/src/main/kotlin/org/apache/camel/k/kotlin/dsl/IntegrationConfiguration.kt
+++ b/runtime/kotlin/src/main/kotlin/org/apache/camel/k/kotlin/dsl/IntegrationConfiguration.kt
@@ -20,7 +20,7 @@ import org.apache.camel.Exchange
 import org.apache.camel.Predicate
 import org.apache.camel.Processor
 import org.apache.camel.builder.RouteBuilder
-import org.apache.camel.k.jvm.RuntimeRegistry
+import org.apache.camel.k.RuntimeRegistry
 import org.apache.camel.model.RouteDefinition
 
 abstract class IntegrationConfiguration(
diff --git a/runtime/kotlin/src/main/kotlin/org/apache/camel/k/kotlin/dsl/RegistryConfiguration.kt b/runtime/kotlin/src/main/kotlin/org/apache/camel/k/kotlin/dsl/RegistryConfiguration.kt
index f15f71ab..b3abc957 100644
--- a/runtime/kotlin/src/main/kotlin/org/apache/camel/k/kotlin/dsl/RegistryConfiguration.kt
+++ b/runtime/kotlin/src/main/kotlin/org/apache/camel/k/kotlin/dsl/RegistryConfiguration.kt
@@ -16,7 +16,7 @@
  */
 package org.apache.camel.k.kotlin.dsl
 
-import org.apache.camel.k.jvm.RuntimeRegistry
+import org.apache.camel.k.RuntimeRegistry
 
 class RegistryConfiguration(val registry: RuntimeRegistry) {
     fun bind(name: String, value: Any) {
diff --git a/runtime/pom.xml b/runtime/pom.xml
index e7f2c3aa..19c6ed65 100644
--- a/runtime/pom.xml
+++ b/runtime/pom.xml
@@ -98,6 +98,7 @@
     </build>
 
     <modules>
+        <module>api</module>
         <module>jvm</module>
         <module>groovy</module>
         <module>kotlin</module>
diff --git a/runtime/spring-boot/src/main/java/org/apache/camel/k/spring/boot/Application.java b/runtime/spring-boot/src/main/java/org/apache/camel/k/spring/boot/Application.java
index 0fe24ff6..e2547446 100644
--- a/runtime/spring-boot/src/main/java/org/apache/camel/k/spring/boot/Application.java
+++ b/runtime/spring-boot/src/main/java/org/apache/camel/k/spring/boot/Application.java
@@ -22,10 +22,10 @@
 
 import org.apache.camel.CamelContext;
 import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.k.RuntimeRegistry;
 import org.apache.camel.k.jvm.Constants;
 import org.apache.camel.k.jvm.RoutesLoader;
 import org.apache.camel.k.jvm.RoutesLoaders;
-import org.apache.camel.k.jvm.RuntimeRegistry;
 import org.apache.camel.k.jvm.RuntimeSupport;
 import org.apache.camel.k.jvm.Source;
 import org.apache.camel.spi.Registry;
@@ -85,6 +85,13 @@ public void beforeApplicationStart(CamelContext context) {
                     throw new IllegalStateException("No valid routes found in " + Constants.ENV_CAMEL_K_ROUTES + " environment variable");
                 }
 
+                // Programmatically customize the camel context.
+                //
+                // This is useful to configure services such as the ClusterService,
+                // RouteController, etc
+                //
+                RuntimeSupport.configureContext(registry, context);
+
                 try {
                     for (String route : routes.split(",")) {
                         final Source source = Source.create(route);


 

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