diff options
Diffstat (limited to 'sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi')
16 files changed, 1298 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/CalculatorService.java b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/CalculatorService.java new file mode 100644 index 0000000000..cc562b7c2f --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/CalculatorService.java @@ -0,0 +1,36 @@ +/* + * 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; + +import org.oasisopen.sca.annotation.Remotable; + +/** + * The Calculator service interface. + */ +@Remotable +public interface CalculatorService { + + double add(double n1, double n2); + + double subtract(double n1, double n2); + + double multiply(double n1, double n2); + + double divide(double n1, double n2); +} diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/impl/CalculatorActivator.java b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/impl/CalculatorActivator.java new file mode 100644 index 0000000000..cf1b78931a --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/impl/CalculatorActivator.java @@ -0,0 +1,75 @@ +/* + * 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.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.CalculatorService; +import calculator.dosgi.operations.AddService; + +/** + * + */ +public class CalculatorActivator implements BundleActivator { + private Logger logger = Logger.getLogger(CalculatorActivator.class.getName()); + + 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; + } + + public void start(BundleContext context) throws Exception { + logger.info("Starting " + context.getBundle()); + Dictionary<String, Object> props = new Hashtable<String, Object>(); + props.put("sca.service", "CalculatorComponent#service-name(Calculator)"); + props.put("calculator", "Calculator"); + logger.info("Registering " + CalculatorService.class.getName()); + CalculatorService calculator = new CalculatorServiceImpl(context); + context.registerService(CalculatorService.class.getName(), calculator, props); + + getBundle(context, AddService.class); + + } + + public void stop(BundleContext context) throws Exception { + logger.info("Stopping " + context.getBundle()); + // Registered services will be automatically unregistered + } + +} diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/impl/CalculatorServiceDSImpl.java b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/impl/CalculatorServiceDSImpl.java new file mode 100644 index 0000000000..5f9db16ca9 --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/impl/CalculatorServiceDSImpl.java @@ -0,0 +1,114 @@ +/* + * 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.impl; + +import org.osgi.service.component.ComponentContext; + +import calculator.dosgi.CalculatorService; +import calculator.dosgi.operations.AddService; +import calculator.dosgi.operations.DivideService; +import calculator.dosgi.operations.MultiplyService; +import calculator.dosgi.operations.SubtractService; + +/** + * An implementation of the Calculator service. + */ +public class CalculatorServiceDSImpl implements CalculatorService { + private AddService addService; + private SubtractService subtractService; + private MultiplyService multiplyService; + private DivideService divideService; + + public CalculatorServiceDSImpl() { + super(); + System.out.println("CalculatorServiceDSImpl()"); + } + + protected void activate(ComponentContext context) { + System.out.println("Activating " + context); + } + + protected void deactivate(ComponentContext context) { + System.out.println("Deactivating " + context); + } + + /* + * The following setters can be used for DS injection + */ + public void setAddService(AddService addService) { + System.out.println("setAddService()"); + this.addService = addService; + } + + public void setSubtractService(SubtractService subtractService) { + this.subtractService = subtractService; + } + + public void setDivideService(DivideService divideService) { + this.divideService = divideService; + } + + public void setMultiplyService(MultiplyService multiplyService) { + this.multiplyService = multiplyService; + } + + /* + * The following setters can be used for DS injection + */ + public void unsetAddService(AddService addService) { + System.out.println("unsetAddService()"); + this.addService = null; + } + + public void unsetSubtractService(SubtractService subtractService) { + this.subtractService = null; + } + + public void unsetDivideService(DivideService divideService) { + this.divideService = null; + } + + public void unsetMultiplyService(MultiplyService multiplyService) { + this.multiplyService = null; + } + private <T> T getService(Class<T> cls) { + for (Object s : new Object[] {addService, subtractService, multiplyService, divideService}) { + if (cls.isInstance(s)) { + return cls.cast(s); + } + } + throw new IllegalStateException(cls.getSimpleName() + " is not available"); + } + + public double add(double n1, double n2) { + return getService(AddService.class).add(n1, n2); + } + + public double subtract(double n1, double n2) { + return getService(SubtractService.class).subtract(n1, n2); + } + + public double multiply(double n1, double n2) { + return getService(MultiplyService.class).multiply(n1, n2); + } + + public double divide(double n1, double n2) { + return getService(DivideService.class).divide(n1, n2); + } +} diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/impl/CalculatorServiceImpl.java b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/impl/CalculatorServiceImpl.java new file mode 100644 index 0000000000..0960938086 --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/impl/CalculatorServiceImpl.java @@ -0,0 +1,96 @@ +/* + * 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.impl; + +import static org.osgi.framework.Constants.OBJECTCLASS; + +import org.osgi.framework.BundleContext; +import org.osgi.framework.Filter; +import org.osgi.framework.InvalidSyntaxException; +import org.osgi.util.tracker.ServiceTracker; + +import calculator.dosgi.CalculatorService; +import calculator.dosgi.operations.AddService; +import calculator.dosgi.operations.DivideService; +import calculator.dosgi.operations.MultiplyService; +import calculator.dosgi.operations.SubtractService; + +/** + * An implementation of the Calculator service. + */ +public class CalculatorServiceImpl implements CalculatorService { + private ServiceTracker remoteServices; + private ServiceTracker localServices; + + public CalculatorServiceImpl() { + super(); + } + + public CalculatorServiceImpl(BundleContext context) { + super(); + Filter remoteFilter = null, localFilter = null; + try { + remoteFilter = + context.createFilter("(&(" + OBJECTCLASS + "=calculator.dosgi.operations.*) (sca.reference=*))"); + localFilter = + context.createFilter("(&(" + OBJECTCLASS + "=calculator.dosgi.operations.*) (!(sca.reference=*)))"); + } catch (InvalidSyntaxException e) { + e.printStackTrace(); + } + this.remoteServices = new ServiceTracker(context, remoteFilter, null); + remoteServices.open(); + this.localServices = new ServiceTracker(context, localFilter, null); + localServices.open(); + } + + private <T> T getService(Class<T> cls) { + Object[] remoteObjects = remoteServices.getServices(); + if (remoteObjects != null) { + for (Object s : remoteObjects) { + if (cls.isInstance(s)) { + System.out.println("Remote service: " + s); + return cls.cast(s); + } + } + } + for (Object s : localServices.getServices()) { + if (cls.isInstance(s)) { + System.out.println("Local service: " + s); + return cls.cast(s); + } + } + throw new IllegalStateException(cls.getSimpleName() + " is not available"); + } + + public double add(double n1, double n2) { + return getService(AddService.class).add(n1, n2); + } + + public double subtract(double n1, double n2) { + return getService(SubtractService.class).subtract(n1, n2); + } + + public double multiply(double n1, double n2) { + return getService(MultiplyService.class).multiply(n1, n2); + } + + public double divide(double n1, double n2) { + return getService(DivideService.class).divide(n1, n2); + } +} diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/AddService.java b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/AddService.java new file mode 100644 index 0000000000..971500782f --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/AddService.java @@ -0,0 +1,31 @@ +/* + * 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; + +import org.oasisopen.sca.annotation.Remotable; + +/** + * The interface for the add service + */ +@Remotable +public interface AddService { + + double add(double n1, double n2); + +} diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/DivideService.java b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/DivideService.java new file mode 100644 index 0000000000..49b8a1c0bf --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/DivideService.java @@ -0,0 +1,31 @@ +/* + * 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; + +import org.oasisopen.sca.annotation.Remotable; + +/** + * The interface for the divide service + */ +@Remotable +public interface DivideService { + + double divide(double n1, double n2); + +} diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/MultiplyService.java b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/MultiplyService.java new file mode 100644 index 0000000000..f4e59d12ea --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/MultiplyService.java @@ -0,0 +1,31 @@ +/* + * 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; + +import org.oasisopen.sca.annotation.Remotable; + +/** + * The interface for the multiply service + */ +@Remotable +public interface MultiplyService { + + double multiply(double n1, double n2); + +} diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/SubtractService.java b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/SubtractService.java new file mode 100644 index 0000000000..bfb9b820f7 --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/SubtractService.java @@ -0,0 +1,31 @@ +/* + * 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; + +import org.oasisopen.sca.annotation.Remotable; + +/** + * The interface for the subtract service + */ +@Remotable +public interface SubtractService { + + double subtract(double n1, double n2); + +} diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/impl/AddServiceImpl.java b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/impl/AddServiceImpl.java new file mode 100644 index 0000000000..66b2977241 --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/impl/AddServiceImpl.java @@ -0,0 +1,37 @@ +/* + * 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.logging.Level; +import java.util.logging.Logger; + +import calculator.dosgi.operations.AddService; + +/** + * An implementation of the Add service + */ +public class AddServiceImpl implements AddService { + + public double add(double n1, double n2) { + Logger logger = Logger.getLogger("calculator"); + logger.log(Level.INFO, "Adding " + n1 + " and " + n2); + return n1 + n2; + } + +} diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/impl/DivideServiceImpl.java b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/impl/DivideServiceImpl.java new file mode 100644 index 0000000000..a3c21b2b96 --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/impl/DivideServiceImpl.java @@ -0,0 +1,37 @@ +/* + * 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.logging.Level; +import java.util.logging.Logger; + +import calculator.dosgi.operations.DivideService; + +/** + * An implementation of the Divide service. + */ +public class DivideServiceImpl implements DivideService { + + public double divide(double n1, double n2) { + Logger logger = Logger.getLogger("calculator"); + logger.log(Level.INFO, "Dividing " + n1 + " with " + n2); + return n1 / n2; + } + +} diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/impl/MultiplyServiceImpl.java b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/impl/MultiplyServiceImpl.java new file mode 100644 index 0000000000..7922d2d392 --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/impl/MultiplyServiceImpl.java @@ -0,0 +1,37 @@ +/* + * 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.logging.Level; +import java.util.logging.Logger; + +import calculator.dosgi.operations.MultiplyService; + +/** + * An implementation of the Multiply service. + */ +public class MultiplyServiceImpl implements MultiplyService { + + public double multiply(double n1, double n2) { + Logger logger = Logger.getLogger("calculator"); + logger.log(Level.INFO, "Multiplying " + n1 + " with " + n2); + return n1 * n2; + } + +} diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/impl/OperationsActivator.java b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/impl/OperationsActivator.java new file mode 100644 index 0000000000..5348d19f34 --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/impl/OperationsActivator.java @@ -0,0 +1,88 @@ +/* + * 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>(); + + logger.info("Registering " + AddService.class.getName()); + props.put("sca.service", "AddComponent#service-name(Add)"); + context.registerService(AddService.class.getName(), new AddServiceImpl(), props); + + logger.info("Registering " + SubtractService.class.getName()); + props.put("sca.service", "SubtractComponent#service-name(Subtract)"); + context.registerService(SubtractService.class.getName(), new SubtractServiceImpl(), props); + + logger.info("Registering " + MultiplyService.class.getName()); + props.put("sca.service", "MultiplyComponent#service-name(Multiply)"); + context.registerService(MultiplyService.class.getName(), new MultiplyServiceImpl(), props); + + logger.info("Registering " + DivideService.class.getName()); + props.put("sca.service", "DivideComponent#service-name(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; + } + +} diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/impl/SubtractServiceImpl.java b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/impl/SubtractServiceImpl.java new file mode 100644 index 0000000000..4bbe83b14f --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/operations/impl/SubtractServiceImpl.java @@ -0,0 +1,37 @@ +/* + * 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.logging.Level; +import java.util.logging.Logger; + +import calculator.dosgi.operations.SubtractService; + +/** + * An implementation of the subtract service. + */ +public class SubtractServiceImpl implements SubtractService { + + public double subtract(double n1, double n2) { + Logger logger = Logger.getLogger("calculator"); + logger.log(Level.INFO, "Subtracting " + n1 + " from " + n2); + return n1 - n2; + } + +} diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/test/CalculatorOSGiNodeTestCase.java b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/test/CalculatorOSGiNodeTestCase.java new file mode 100644 index 0000000000..268f16bc9f --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/test/CalculatorOSGiNodeTestCase.java @@ -0,0 +1,156 @@ +/* + * 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.test; + +import static calculator.dosgi.test.OSGiTestBundles.bundleStatus; +import static calculator.dosgi.test.OSGiTestBundles.generateCalculatorBundle; +import static calculator.dosgi.test.OSGiTestBundles.generateCalculatorSCABundle; +import static calculator.dosgi.test.OSGiTestBundles.generateOperationsBundle; + +import java.net.URL; +import java.security.AccessController; +import java.security.PrivilegedAction; + +import org.apache.tuscany.sca.node.equinox.launcher.EquinoxHost; +import org.junit.AfterClass; +import org.junit.Assert; +import org.junit.BeforeClass; +import org.junit.Test; +import org.osgi.framework.Bundle; +import org.osgi.framework.BundleContext; +import org.osgi.framework.Constants; +import org.osgi.framework.ServiceReference; + +import calculator.dosgi.CalculatorService; + +/** + * + */ +public class CalculatorOSGiNodeTestCase { + private static EquinoxHost host; + private static BundleContext context; + private static Bundle calculatorBundle; + private static Bundle operationsBundle; + private static Bundle scaBundle; + private static Boolean client; + + public static URL getCodeLocation(final Class<?> anchorClass) { + return AccessController.doPrivileged(new PrivilegedAction<URL>() { + public URL run() { + return anchorClass.getProtectionDomain().getCodeSource().getLocation(); + } + }); + } + + /** + * @throws java.lang.Exception + */ + @BeforeClass + public static void setUpBeforeClass() throws Exception { + try { + host = new EquinoxHost(); + context = host.start(); + String prop = System.getProperty("client"); + if (prop != null) { + client = Boolean.valueOf(prop); + } + + if (client == null || client.booleanValue()) { + System.out.println("Generating calculator.dosgi bundle..."); + calculatorBundle = context.installBundle("reference:" + generateCalculatorBundle().toString()); + } + + if (client == null || !client.booleanValue()) { + System.out.println("Generating calculator.dosgi.operations bundle..."); + operationsBundle = context.installBundle("reference:" + generateOperationsBundle().toString()); + } + + scaBundle = context.installBundle("reference:" + generateCalculatorSCABundle().toString()); + + for (Bundle b : context.getBundles()) { + if (b.getSymbolicName().equals("org.eclipse.equinox.ds") || b.getSymbolicName() + .startsWith("org.apache.tuscany.sca.")) { + try { + if (b.getHeaders().get(Constants.FRAGMENT_HOST) == null) { + b.start(); + } + } catch (Exception e) { + System.out.println(bundleStatus(b, false)); + e.printStackTrace(); + } + System.out.println(bundleStatus(b, false)); + } + } + + if (scaBundle != null) { + scaBundle.start(); + } + + if (calculatorBundle != null) { + calculatorBundle.start(); + System.out.println(bundleStatus(calculatorBundle, false)); + } + + if (operationsBundle != null) { + operationsBundle.start(); + System.out.println(bundleStatus(operationsBundle, false)); + } + + } catch (Exception e) { + e.printStackTrace(); + throw e; + } + } + + @Test + public void testOSGi() { + if (client == null || client.booleanValue()) { + ServiceReference ref = + calculatorBundle.getBundleContext().getServiceReference(CalculatorService.class.getName()); + Assert.assertNotNull(ref); + Object service = context.getService(ref); + Assert.assertNotNull(service); + CalculatorService calculator = OSGiTestBundles.cast(service, CalculatorService.class); + System.out.println("2.0 + 1.0 = " + calculator.add(2.0, 1.0)); + System.out.println("2.0 - 1.0 = " + calculator.subtract(2.0, 1.0)); + System.out.println("2.0 * 1.0 = " + calculator.multiply(2.0, 1.0)); + System.out.println("2.0 / 1.0 = " + calculator.divide(2.0, 1.0)); + } + } + + /** + * @throws java.lang.Exception + */ + @AfterClass + public static void tearDownAfterClass() throws Exception { + if (host != null) { + if (scaBundle != null) { + scaBundle.stop(); + } + if (client != null && !client.booleanValue()) { + System.out.println("Press Enter to stop the node..."); + System.in.read(); + } + host.stop(); + context = null; + } + } + +} diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/test/CalculatorOSGiTestCase.java b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/test/CalculatorOSGiTestCase.java new file mode 100644 index 0000000000..2af5552279 --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/test/CalculatorOSGiTestCase.java @@ -0,0 +1,99 @@ +/* + * 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.test; + +import static calculator.dosgi.test.OSGiTestBundles.bundleStatus; +import static calculator.dosgi.test.OSGiTestBundles.generateCalculatorBundle; +import static calculator.dosgi.test.OSGiTestBundles.generateOperationsBundle; + +import org.apache.tuscany.sca.node.equinox.launcher.EquinoxHost; +import org.junit.AfterClass; +import org.junit.BeforeClass; +import org.junit.Test; +import org.osgi.framework.Bundle; +import org.osgi.framework.BundleContext; +import org.osgi.framework.ServiceReference; + +import calculator.dosgi.CalculatorService; + +/** + * + */ +public class CalculatorOSGiTestCase { + private static EquinoxHost host; + + /** + * @throws java.lang.Exception + */ + @BeforeClass + public static void setUpBeforeClass() throws Exception { + try { + host = new EquinoxHost(); + BundleContext context = host.start(); + Bundle calculatorBundle = context.installBundle("reference:" + generateCalculatorBundle().toString()); + Bundle operationsBundle = context.installBundle("reference:" + generateOperationsBundle().toString()); + + for (Bundle b : context.getBundles()) { + if (b.getSymbolicName().equals("org.eclipse.equinox.ds")) { + System.out.println(bundleStatus(b, false)); + b.start(); + System.out.println(bundleStatus(b, false)); + } + } + + calculatorBundle.start(); + System.out.println(bundleStatus(calculatorBundle, false)); + operationsBundle.start(); + System.out.println(bundleStatus(operationsBundle, false)); + + // Sleep for 1 sec so that the DS is available + Thread.sleep(1000); + // Use the DS version + String filter = "(component.name=CalculatorComponent)"; + System.out.println(filter); + ServiceReference ref = + calculatorBundle.getBundleContext().getServiceReferences(CalculatorService.class.getName(), filter)[0]; + CalculatorService calculator = OSGiTestBundles.cast(context.getService(ref), CalculatorService.class); + System.out.println("2.0 + 1.0 = " + calculator.add(2.0, 1.0)); + System.out.println("2.0 - 1.0 = " + calculator.subtract(2.0, 1.0)); + System.out.println("2.0 * 1.0 = " + calculator.multiply(2.0, 1.0)); + System.out.println("2.0 / 1.0 = " + calculator.divide(2.0, 1.0)); + } catch (Exception e) { + e.printStackTrace(); + throw e; + } + } + + @Test + public void testOSGi() { + + } + + /** + * @throws java.lang.Exception + */ + @AfterClass + public static void tearDownAfterClass() throws Exception { + if (host != null) { + host.stop(); + } + } + +} diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/test/OSGiTestBundles.java b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/test/OSGiTestBundles.java new file mode 100644 index 0000000000..bdb484e6bb --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/node-impl-osgi/src/test/java/calculator/dosgi/test/OSGiTestBundles.java @@ -0,0 +1,362 @@ +/* + * 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.test; + +import java.io.ByteArrayOutputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.lang.reflect.InvocationHandler; +import java.lang.reflect.Method; +import java.lang.reflect.Proxy; +import java.net.URL; +import java.util.HashSet; +import java.util.Set; +import java.util.jar.JarOutputStream; +import java.util.jar.Manifest; +import java.util.zip.ZipEntry; + +import org.osgi.framework.Bundle; +import org.osgi.framework.BundleActivator; +import org.osgi.framework.Constants; + +import calculator.dosgi.CalculatorService; +import calculator.dosgi.impl.CalculatorActivator; +import calculator.dosgi.impl.CalculatorServiceDSImpl; +import calculator.dosgi.impl.CalculatorServiceImpl; +import calculator.dosgi.operations.AddService; +import calculator.dosgi.operations.DivideService; +import calculator.dosgi.operations.MultiplyService; +import calculator.dosgi.operations.SubtractService; +import calculator.dosgi.operations.impl.AddServiceImpl; +import calculator.dosgi.operations.impl.DivideServiceImpl; +import calculator.dosgi.operations.impl.MultiplyServiceImpl; +import calculator.dosgi.operations.impl.OperationsActivator; +import calculator.dosgi.operations.impl.SubtractServiceImpl; + +/** + * + * Utility class to create OSGi bundles + * + * @version $Rev$ $Date$ + */ +public class OSGiTestBundles { + private static class InvocationHandlerImpl implements InvocationHandler { + private Object instance; + + public InvocationHandlerImpl(Object instance) { + super(); + this.instance = instance; + } + + public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { + Method m = instance.getClass().getMethod(method.getName(), method.getParameterTypes()); + return m.invoke(instance, args); + } + + } + + private static String getPackageName(Class<?> cls) { + String name = cls.getName(); + int index = name.lastIndexOf('.'); + return index == -1 ? "" : name.substring(0, index); + } + + public static URL createBundle(String jarName, String mfFile, String[][] resources, Class<?>... classes) + throws IOException { + InputStream is = OSGiTestBundles.class.getClassLoader().getResourceAsStream(mfFile); + Manifest manifest = new Manifest(is); + is.close(); + + ByteArrayOutputStream out = new ByteArrayOutputStream(); + JarOutputStream jarOut = new JarOutputStream(out, manifest); + + for (Class<?> cls : classes) { + addClass(jarOut, cls); + } + + if (resources != null) { + for (String resource[] : resources) { + if (resource.length >= 1) { + String r1 = resource[0]; + String r2 = resource.length > 1 ? resource[1] : r1; + addResource(jarOut, OSGiTestBundles.class.getClassLoader(), r1, r2); + } + } + } + + jarOut.close(); + out.close(); + + File jar = new File(jarName); + FileOutputStream fileOut = new FileOutputStream(jar); + fileOut.write(out.toByteArray()); + fileOut.close(); + + return jar.toURI().toURL(); + } + + public static URL createBundle(String jarName, + String bundleName, + String exports, + String imports, + String[] resources, + Class<?>... classes) throws IOException { + + Class<?> activator = null; + Set<String> packages = new HashSet<String>(); + StringBuffer exportPackages = new StringBuffer(); + if (exports != null) { + exportPackages.append(exports); + } + for (Class<?> cls : classes) { + if (BundleActivator.class.isAssignableFrom(cls)) { + activator = cls; + } + if (exports == null && cls.isInterface()) { + String pkg = getPackageName(cls); + if (packages.add(pkg)) { + exportPackages.append(pkg).append(","); + } + } + } + int len = exportPackages.length(); + if (len > 0 && exportPackages.charAt(len - 1) == ',') { + exportPackages.deleteCharAt(len - 1); + } + + Manifest manifest = new Manifest(); + // This attribute Manifest-Version is required so that the MF will be added to the jar + manifest.getMainAttributes().putValue("Manifest-Version", "1.0"); + manifest.getMainAttributes().putValue(Constants.BUNDLE_MANIFESTVERSION, "2"); + manifest.getMainAttributes().putValue(Constants.BUNDLE_SYMBOLICNAME, bundleName); + manifest.getMainAttributes().putValue(Constants.BUNDLE_VERSION, "1.0.0"); + manifest.getMainAttributes().putValue(Constants.BUNDLE_NAME, bundleName); + manifest.getMainAttributes().putValue(Constants.EXPORT_PACKAGE, exportPackages.toString()); + StringBuffer importPackages = new StringBuffer(); + if (imports != null) { + importPackages.append(imports).append(",org.osgi.framework"); + } else { + importPackages.append("org.osgi.framework"); + } + manifest.getMainAttributes().putValue(Constants.IMPORT_PACKAGE, importPackages.toString()); + + if (activator != null) { + manifest.getMainAttributes().putValue(Constants.BUNDLE_ACTIVATOR, activator.getName()); + } + + ByteArrayOutputStream out = new ByteArrayOutputStream(); + JarOutputStream jarOut = new JarOutputStream(out, manifest); + + for (Class<?> cls : classes) { + addClass(jarOut, cls); + } + + if (resources != null) { + for (String resource : resources) { + addResource(jarOut, OSGiTestBundles.class.getClassLoader(), resource, null); + } + } + + jarOut.close(); + out.close(); + + File jar = new File(jarName); + FileOutputStream fileOut = new FileOutputStream(jar); + fileOut.write(out.toByteArray()); + fileOut.close(); + + return jar.toURI().toURL(); + } + + private static void addClass(JarOutputStream jarOut, Class<?> javaClass) throws IOException, FileNotFoundException { + String classFile = javaClass.getName().replace('.', '/') + ".class"; + URL url = javaClass.getResource(javaClass.getSimpleName() + ".class"); + addEntry(jarOut, url, classFile); + } + + private static void addResource(JarOutputStream jarOut, ClassLoader cl, String resourceName, String entryName) + throws IOException, FileNotFoundException { + URL url = cl.getResource(resourceName); + if (entryName == null) { + entryName = resourceName; + } + addEntry(jarOut, url, entryName); + } + + private static void addEntry(JarOutputStream jarOut, URL url, String resourceName) throws IOException, + FileNotFoundException { + String path = url.getPath(); + + ZipEntry ze = new ZipEntry(resourceName); + + jarOut.putNextEntry(ze); + FileInputStream file = new FileInputStream(path); + byte[] fileContents = new byte[file.available()]; + file.read(fileContents); + jarOut.write(fileContents); + jarOut.closeEntry(); + file.close(); + } + + static URL generateCalculatorBundle() throws IOException { + return createBundle("target/test-classes/calculator-bundle.jar", + "calculator/dosgi/META-INF/MANIFEST.MF", + new String[][] { + { + "calculator/dosgi/OSGI-INF/remote-service/calculator-service-descriptions.xml", + "OSGI-INF/remote-service/calculator-service-descriptions.xml"}, + {"calculator/dosgi/OSGI-INF/calculator-component.xml", + "OSGI-INF/calculator-component.xml"}, + /* + {"calculator/dosgi/bundle.componentType", + "OSGI-INF/sca/bundle.componentType"}, + {"calculator/dosgi/calculator.composite", "OSGI-INF/sca/bundle.composite"}, + {"calculator/dosgi/META-INF/sca-contribution.xml", + "META-INF/sca-contribution.xml"} + */ + }, + CalculatorService.class, + // Package the interfaces so that the operations bundle can be remote + AddService.class, + SubtractService.class, + MultiplyService.class, + DivideService.class, + CalculatorServiceImpl.class, + CalculatorServiceDSImpl.class, + CalculatorActivator.class); + } + + /** + * Create the OSGi bundle for calculator SCA + * @return + * @throws IOException + */ + static URL generateCalculatorSCABundle() throws IOException { + return createBundle("target/test-classes/calculator-sca-bundle.jar", + "calculator/dosgi/sca/META-INF/MANIFEST.MF", + new String[][] { + {"calculator/dosgi/sca/OSGI-INF/sca/calculator.composite", + "OSGI-INF/sca/bundle.composite"}, + {"calculator/dosgi/sca/META-INF/sca-contribution.xml", + "META-INF/sca-contribution.xml"}, + {"calculator/dosgi/bundle.componentType", + "OSGI-INF/sca/calculator.dosgi/bundle.componentType"}, + {"calculator/dosgi/operations/bundle.componentType", + "OSGI-INF/sca/calculator.dosgi.operations/bundle.componentType"}, + }); + } + + /** + * Create the OSGi bundle for calculator operations + * @return + * @throws IOException + */ + static URL generateOperationsBundle() throws IOException { + return createBundle("target/test-classes/operations-bundle.jar", + "calculator/dosgi/operations/META-INF/MANIFEST.MF", + new String[][] { + {"calculator/dosgi/operations/OSGI-INF/add-component.xml", + "OSGI-INF/add-component.xml"}, + {"calculator/dosgi/operations/OSGI-INF/subtract-component.xml", + "OSGI-INF/subtract-component.xml"}, + {"calculator/dosgi/operations/OSGI-INF/multiply-component.xml", + "OSGI-INF/multiply-component.xml"}, + {"calculator/dosgi/operations/OSGI-INF/divide-component.xml", + "OSGI-INF/divide-component.xml"}, + /* + {"calculator/dosgi/operations/bundle.componentType", + "OSGI-INF/sca/bundle.componentType"}, + {"calculator/dosgi/operations/operations.composite", + "OSGI-INF/sca/bundle.composite"}, + {"calculator/dosgi/operations/META-INF/sca-contribution.xml", + "META-INF/sca-contribution.xml"} + */ + }, + OperationsActivator.class, + AddService.class, + AddServiceImpl.class, + SubtractService.class, + SubtractServiceImpl.class, + MultiplyService.class, + MultiplyServiceImpl.class, + DivideService.class, + DivideServiceImpl.class); + } + + /** + * Returns a string representation of the given bundle. + * + * @param b + * @param verbose + * @return + */ + public static String bundleStatus(Bundle bundle, boolean verbose) { + StringBuffer sb = new StringBuffer(); + sb.append(bundle.getBundleId()).append(" ").append(bundle.getSymbolicName()); + int s = bundle.getState(); + if ((s & Bundle.UNINSTALLED) != 0) { + sb.append(" UNINSTALLED"); + } + if ((s & Bundle.INSTALLED) != 0) { + sb.append(" INSTALLED"); + } + if ((s & Bundle.RESOLVED) != 0) { + sb.append(" RESOLVED"); + } + if ((s & Bundle.STARTING) != 0) { + sb.append(" STARTING"); + } + if ((s & Bundle.STOPPING) != 0) { + sb.append(" STOPPING"); + } + if ((s & Bundle.ACTIVE) != 0) { + sb.append(" ACTIVE"); + } + + if (verbose) { + sb.append(" ").append(bundle.getLocation()); + sb.append(" ").append(bundle.getHeaders()); + } + return sb.toString(); + } + + /** + * A utility to cast the object to the given interface. If the class for the object + * is loaded by a different classloader, a proxy will be created. + * + * @param <T> + * @param obj + * @param cls + * @return + */ + public static <T> T cast(Object obj, Class<T> cls) { + if (cls.isInstance(obj)) { + return cls.cast(obj); + } else { + return cls.cast(Proxy.newProxyInstance(cls.getClassLoader(), + new Class<?>[] {cls}, + new InvocationHandlerImpl(obj))); + } + } +} |