(camel-karaf) branch main updated: Add KarafCamelContextProvider as a template to easily create Karaf CamelContest and register routes definition (#633)

[jbonofre]

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jbonofre pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/camel-karaf.git


The following commit(s) were added to refs/heads/main by this push:
     new 1d6a39ead Add KarafCamelContextProvider as a template to easily create 
Karaf CamelContest and register routes definition (#633)
1d6a39ead is described below

commit 1d6a39ead0e9093fbd5c8b30b0814d0aae7a065e
Author: JB Onofré <jbono...@apache.org>
AuthorDate: Sat Jun 21 08:03:41 2025 +0200

    Add KarafCamelContextProvider as a template to easily create Karaf 
CamelContest and register routes definition (#633)
---
 .../karaf/core/KarafCamelContextProvider.java      | 62 ++++++++++++++++++++++
 1 file changed, 62 insertions(+)

diff --git 
a/core/camel-core-osgi/src/main/java/org/apache/camel/karaf/core/KarafCamelContextProvider.java
 
b/core/camel-core-osgi/src/main/java/org/apache/camel/karaf/core/KarafCamelContextProvider.java
new file mode 100644
index 000000000..9a8d5b570
--- /dev/null
+++ 
b/core/camel-core-osgi/src/main/java/org/apache/camel/karaf/core/KarafCamelContextProvider.java
@@ -0,0 +1,62 @@
+/*
+ * 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.karaf.core;
+
+import org.apache.camel.CamelContext;
+import org.apache.camel.RoutesBuilder;
+import org.apache.camel.karaf.core.utils.BundleContextUtils;
+import org.apache.camel.model.ModelCamelContext;
+import org.apache.camel.model.RouteDefinition;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceRegistration;
+
+import java.util.ArrayList;
+
+/**
+ * This abstract class provide a CamelContext (registered as an OSGi service) 
that can be directly used to register Camel routes.
+ */
+public abstract class KarafCamelContextProvider {
+
+    private ModelCamelContext camelContext;
+    private ServiceRegistration<CamelContext> serviceRegistration;
+
+    public void start() throws Exception {
+        start(null);
+    }
+
+    public void start(String name) throws Exception {
+        BundleContext bundleContext = 
BundleContextUtils.getBundleContext(this.getClass());
+        OsgiDefaultCamelContext osgiDefaultCamelContext = new 
OsgiDefaultCamelContext(bundleContext);
+        osgiDefaultCamelContext.setClassResolver(new 
OsgiClassResolver(camelContext, bundleContext));
+        if (name != null) {
+            osgiDefaultCamelContext.getCamelContextExtension().setName(name);
+        }
+        camelContext = osgiDefaultCamelContext;
+        serviceRegistration = 
bundleContext.registerService(CamelContext.class, camelContext, null);
+        camelContext.start();
+        camelContext.addRoutes(getRouteBuilder());
+    }
+
+    public void stop() throws Exception {
+        camelContext.stop();
+        camelContext.removeRouteDefinitions(new 
ArrayList<RouteDefinition>(camelContext.getRouteDefinitions()));
+        serviceRegistration.unregister();
+    }
+
+    public abstract RoutesBuilder getRouteBuilder();
+
+}