diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0.1/samples/learning-more/distributed-osgi-dynamic/operations-bundle/src/main/java/calculator/dosgi/operations/impl/OperationsActivator.java')
-rw-r--r-- | sca-java-2.x/tags/2.0.1/samples/learning-more/distributed-osgi-dynamic/operations-bundle/src/main/java/calculator/dosgi/operations/impl/OperationsActivator.java | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1/samples/learning-more/distributed-osgi-dynamic/operations-bundle/src/main/java/calculator/dosgi/operations/impl/OperationsActivator.java b/sca-java-2.x/tags/2.0.1/samples/learning-more/distributed-osgi-dynamic/operations-bundle/src/main/java/calculator/dosgi/operations/impl/OperationsActivator.java new file mode 100644 index 0000000000..e01265068a --- /dev/null +++ b/sca-java-2.x/tags/2.0.1/samples/learning-more/distributed-osgi-dynamic/operations-bundle/src/main/java/calculator/dosgi/operations/impl/OperationsActivator.java @@ -0,0 +1,94 @@ +/*
+ * 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 calculator.dosgi.operations.impl;
+
+import java.util.Dictionary;
+import java.util.Hashtable;
+import java.util.logging.Logger;
+
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.packageadmin.PackageAdmin;
+
+import calculator.dosgi.operations.AddService;
+import calculator.dosgi.operations.DivideService;
+import calculator.dosgi.operations.MultiplyService;
+import calculator.dosgi.operations.SubtractService;
+
+/**
+ *
+ */
+public class OperationsActivator implements BundleActivator {
+ private Logger logger = Logger.getLogger(OperationsActivator.class.getName());
+
+ public void start(BundleContext context) throws Exception {
+ logger.info("Starting " + context.getBundle());
+
+ Dictionary<String, Object> props = new Hashtable<String, Object>();
+ props.put("service.exported.configs", new String[] {"org.osgi.sca"});
+ props.put("service.exported.interfaces", new String[] {"*"});
+
+ logger.info("Registering " + AddService.class.getName());
+ props.put("sca.service", "AddComponent#service-name(Add)");
+ props.put("org.osgi.sca.bindings", new String[] {"{http://sample}Add"});
+ context.registerService(AddService.class.getName(), new AddServiceImpl(), props);
+
+ logger.info("Registering " + SubtractService.class.getName());
+ props.put("sca.service", "SubtractComponent#service-name(Subtract)");
+ props.put("org.osgi.sca.bindings", new String[] {"{http://sample}Subtract"});
+ context.registerService(SubtractService.class.getName(), new SubtractServiceImpl(), props);
+
+ logger.info("Registering " + MultiplyService.class.getName());
+ props.put("sca.service", "MultiplyComponent#service-name(Multiply)");
+ props.put("org.osgi.sca.bindings", new String[] {"{http://sample}Multiply"});
+ context.registerService(MultiplyService.class.getName(), new MultiplyServiceImpl(), props);
+
+ logger.info("Registering " + DivideService.class.getName());
+ props.put("sca.service", "DivideComponent#service-name(Divide)");
+ props.put("org.osgi.sca.bindings", new String[] {"{http://sample}Divide"});
+ context.registerService(DivideService.class.getName(), new DivideServiceImpl(), props);
+
+ getBundle(context, AddService.class);
+ }
+
+ public void stop(BundleContext context) throws Exception {
+ logger.info("Stopping " + context.getBundle());
+ // Registered services will be automatically unregistered
+ }
+
+ private Bundle getBundle(BundleContext bundleContext, Class<?> cls) {
+ PackageAdmin packageAdmin = null;
+ // PackageAdmin is used to resolve bundles
+ ServiceReference ref = bundleContext.getServiceReference("org.osgi.service.packageadmin.PackageAdmin");
+ if (ref != null) {
+ packageAdmin = (PackageAdmin)bundleContext.getService(ref);
+ Bundle bundle = packageAdmin.getBundle(cls);
+ if (bundle != null) {
+ logger.info(cls.getName() + " is loaded by bundle: " + bundle.getSymbolicName());
+ }
+ bundleContext.ungetService(ref);
+ return bundle;
+ }
+ return null;
+ }
+
+}
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