diff options
Diffstat (limited to 'sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java')
12 files changed, 675 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/DefaultEchoBindingFactory.java b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/DefaultEchoBindingFactory.java new file mode 100644 index 0000000000..b27b936302 --- /dev/null +++ b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/DefaultEchoBindingFactory.java @@ -0,0 +1,33 @@ +/* + * 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 echo; + +import echo.impl.EchoBindingImpl; + +/** + * A factory for the sample Echo binding model. + */ +public class DefaultEchoBindingFactory implements EchoBindingFactory { + + public EchoBinding createEchoBinding() { + return new EchoBindingImpl(); + } + +} diff --git a/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/EchoBinding.java b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/EchoBinding.java new file mode 100644 index 0000000000..446f720634 --- /dev/null +++ b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/EchoBinding.java @@ -0,0 +1,28 @@ +/* + * 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 echo; + +import org.apache.tuscany.sca.assembly.Binding; + +/** + * A model for the sample Echo binding. + */ +public interface EchoBinding extends Binding { +} diff --git a/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/EchoBindingFactory.java b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/EchoBindingFactory.java new file mode 100644 index 0000000000..0f6fee82be --- /dev/null +++ b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/EchoBindingFactory.java @@ -0,0 +1,33 @@ +/* + * 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 echo; + +/** + * A factory for the sample Echo binding model. + */ +public interface EchoBindingFactory { + + /** + * Creates a new Echo binding. + * + * @return a new Echo binding + */ + EchoBinding createEchoBinding(); +} diff --git a/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/impl/EchoBindingImpl.java b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/impl/EchoBindingImpl.java new file mode 100644 index 0000000000..ef1629d519 --- /dev/null +++ b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/impl/EchoBindingImpl.java @@ -0,0 +1,77 @@ +/* + * 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 echo.impl; + +import java.util.Collections; +import java.util.List; + +import org.apache.tuscany.sca.policy.Intent; +import org.apache.tuscany.sca.policy.PolicySet; + +import echo.EchoBinding; + +/** + * Implementation of the Echo binding model. + */ +public class EchoBindingImpl implements EchoBinding { + + private String name; + private String uri; + + public String getName() { + return name; + } + + public String getURI() { + return uri; + } + + public void setName(String name) { + this.name = name; + } + + public void setURI(String uri) { + this.uri = uri; + } + + public List<PolicySet> getPolicySets() { + // The sample binding does not support policies + return Collections.emptyList(); + } + + public List<Intent> getRequiredIntents() { + // The sample binding does not support policies + return Collections.emptyList(); + } + + public List<Object> getExtensions() { + // The sample binding does not support extensions + return Collections.emptyList(); + } + + public boolean isUnresolved() { + return false; + } + + public void setUnresolved(boolean unresolved) { + // The sample binding is always resolved + } + +} diff --git a/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/impl/EchoBindingProcessor.java b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/impl/EchoBindingProcessor.java new file mode 100644 index 0000000000..1d82cd860c --- /dev/null +++ b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/impl/EchoBindingProcessor.java @@ -0,0 +1,71 @@ +/* + * 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 echo.impl; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; + +import echo.EchoBinding; +import echo.EchoBindingFactory; + +/** + * A processor for <binding.echo> elements. + */ +public class EchoBindingProcessor implements StAXArtifactProcessor<EchoBinding> { + + private QName BINDING_ECHO = new QName("http://echo", "binding.echo"); + + private final EchoBindingFactory factory; + + public EchoBindingProcessor(EchoBindingFactory factory) { + this.factory = factory; + } + + public QName getArtifactType() { + return BINDING_ECHO; + } + + public Class<EchoBinding> getModelType() { + return EchoBinding.class; + } + + public EchoBinding read(XMLStreamReader reader) throws ContributionReadException { + String uri = reader.getAttributeValue(null, "uri"); + EchoBinding echoBinding = factory.createEchoBinding(); + if (uri != null) { + echoBinding.setURI(uri.trim()); + } + return echoBinding; + } + + public void write(EchoBinding echoBinding, XMLStreamWriter writer) throws ContributionWriteException { + } + + public void resolve(EchoBinding echoBinding, ModelResolver resolver) throws ContributionResolveException { + } + +} diff --git a/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/module/EchoModuleActivator.java b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/module/EchoModuleActivator.java new file mode 100644 index 0000000000..268b903e54 --- /dev/null +++ b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/module/EchoModuleActivator.java @@ -0,0 +1,69 @@ +/* + * 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 echo.module; + +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.core.ModuleActivator; +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; + +import echo.DefaultEchoBindingFactory; +import echo.EchoBindingFactory; +import echo.impl.EchoBindingProcessor; +import echo.provider.EchoBindingProviderFactory; +import echo.server.EchoServer; + +/** + * A module activator for the sample Echo binding extension. + */ +public class EchoModuleActivator implements ModuleActivator { + + public Object[] getExtensionPoints() { + // No extensionPoints being contributed here + return null; + } + + public void start(ExtensionPointRegistry registry) { + + ModelFactoryExtensionPoint factories = registry.getExtensionPoint(ModelFactoryExtensionPoint.class); + MessageFactory messageFactory = factories.getFactory(MessageFactory.class); + + // Create the Echo model factory + EchoBindingFactory echoFactory = new DefaultEchoBindingFactory(); + + // Add the EchoProcessor extension + StAXArtifactProcessorExtensionPoint processors = registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + EchoBindingProcessor echoBindingProcessor = new EchoBindingProcessor(echoFactory); + processors.addArtifactProcessor(echoBindingProcessor); + + ProviderFactoryExtensionPoint providerFactories = registry.getExtensionPoint(ProviderFactoryExtensionPoint.class); + providerFactories.addProviderFactory(new EchoBindingProviderFactory(messageFactory)); + + // Start the Echo server + EchoServer.start(); + } + + public void stop(ExtensionPointRegistry registry) { + EchoServer.stop(); + } + +} diff --git a/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/provider/EchoBindingInvoker.java b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/provider/EchoBindingInvoker.java new file mode 100644 index 0000000000..e3d52fa703 --- /dev/null +++ b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/provider/EchoBindingInvoker.java @@ -0,0 +1,48 @@ +/* + * 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 echo.provider; + +import java.lang.reflect.InvocationTargetException; + +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; + +/** + * Interceptor for the sample echo binding. + */ +public class EchoBindingInvoker implements Invoker { + + private Object echo(Object[] args) throws InvocationTargetException { + // echo back the result, a real binding would invoke some API for flowing the request + return args[0]; + } + + public Message invoke(Message msg) { + try { + Object resp = echo((Object[])msg.getBody()); + msg.setBody(resp); + } catch (InvocationTargetException e) { + msg.setFaultBody(e.getCause()); + } catch (Throwable e) { + msg.setFaultBody(e); + } + return msg; + } + +} diff --git a/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/provider/EchoBindingProviderFactory.java b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/provider/EchoBindingProviderFactory.java new file mode 100644 index 0000000000..623cb0e16e --- /dev/null +++ b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/provider/EchoBindingProviderFactory.java @@ -0,0 +1,55 @@ +/* + * 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 echo.provider; + +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.provider.BindingProviderFactory; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + +import echo.EchoBinding; + + +/** + * Implementation of the Echo binding model. + */ +public class EchoBindingProviderFactory implements BindingProviderFactory<EchoBinding> { + + private MessageFactory messageFactory; + + public EchoBindingProviderFactory(MessageFactory messageFactory) { + this.messageFactory = messageFactory; + } + + public ReferenceBindingProvider createReferenceBindingProvider(RuntimeComponent component, RuntimeComponentReference reference, EchoBinding binding) { + return new EchoReferenceBindingProvider(component, reference, binding); + } + + public ServiceBindingProvider createServiceBindingProvider(RuntimeComponent component, RuntimeComponentService service, EchoBinding binding) { + return new EchoServiceBindingProvider(component, service, binding, messageFactory); + } + + public Class<EchoBinding> getModelType() { + return EchoBinding.class; + } +} diff --git a/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/provider/EchoReferenceBindingProvider.java b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/provider/EchoReferenceBindingProvider.java new file mode 100644 index 0000000000..dd1a8f42f8 --- /dev/null +++ b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/provider/EchoReferenceBindingProvider.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 echo.provider; + +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.provider.ReferenceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; + +import echo.EchoBinding; + +/** + * Implementation of the Echo binding provider. + */ +public class EchoReferenceBindingProvider implements ReferenceBindingProvider { + + private RuntimeComponentReference reference; + + public EchoReferenceBindingProvider(RuntimeComponent component, + RuntimeComponentReference reference, + EchoBinding binding) { + this.reference = reference; + } + + public Invoker createInvoker(Operation operation, boolean isCallback) { + if (isCallback) { + throw new UnsupportedOperationException(); + } else { + return new EchoBindingInvoker(); + } + } + + public InterfaceContract getBindingInterfaceContract() { + return reference.getInterfaceContract(); + } + + public void start() { + } + + public void stop() { + } + +} diff --git a/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/provider/EchoServiceBindingProvider.java b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/provider/EchoServiceBindingProvider.java new file mode 100644 index 0000000000..896e40df8d --- /dev/null +++ b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/provider/EchoServiceBindingProvider.java @@ -0,0 +1,74 @@ +/* + * 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 echo.provider; + +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.provider.ServiceBindingProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.apache.tuscany.sca.runtime.RuntimeWire; + +import echo.EchoBinding; +import echo.server.EchoServer; +import echo.server.EchoService; + +/** + * Implementation of the Echo binding provider. + */ +public class EchoServiceBindingProvider implements ServiceBindingProvider { + + private RuntimeComponent component; + private RuntimeComponentService service; + private EchoBinding binding; + private MessageFactory messageFactory; + + public EchoServiceBindingProvider(RuntimeComponent component, + RuntimeComponentService service, EchoBinding binding, MessageFactory messageFactory) { + this.component = component; + this.service = service; + this.binding = binding; + this.messageFactory = messageFactory; + } + + public InterfaceContract getBindingInterfaceContract() { + return service.getInterfaceContract(); + } + + public void start() { + + RuntimeComponentService componentService = (RuntimeComponentService) service; + RuntimeWire wire = componentService.getRuntimeWire(binding); + InvocationChain chain = wire.getInvocationChains().get(0); + + // Register with the hosting server + String uri = component.getURI() + "/" + binding.getName(); + EchoServer.getServer().register(uri, new EchoService(chain.getHeadInvoker(), messageFactory)); + } + + public void stop() { + + // Unregister from the hosting server + String uri = component.getURI() + "/" + binding.getName(); + EchoServer.getServer().unregister(uri); + } + +} diff --git a/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/server/EchoServer.java b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/server/EchoServer.java new file mode 100644 index 0000000000..e1c88c38f9 --- /dev/null +++ b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/server/EchoServer.java @@ -0,0 +1,72 @@ +/* + * 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 echo.server; + +import java.lang.reflect.InvocationTargetException; +import java.util.HashMap; +import java.util.Map; + +/** + * A sample Echo server, showing how to integrate service bindings. + */ +public class EchoServer { + + public static EchoServer server; + + private Map<String, EchoService> services = new HashMap<String, EchoService>(); + + public static void start() { + server = new EchoServer(); + } + + public static void stop() { + server = null; + } + + public static EchoServer getServer() { + return server; + } + + /** + * Register a service under the given name. + * + * @param service + * @param name + */ + public void register(String uri, EchoService service) { + services.put(uri, service); + } + + public void unregister(String uri) { + services.remove(uri); + } + + /** + * Dispatch an incoming interaction to the corresponding service. + * + * @param uri + * @param input + * @return + */ + public String sendReceive(String uri, String input) throws InvocationTargetException { + return services.get(uri).sendReceive(input); + } + +} diff --git a/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/server/EchoService.java b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/server/EchoService.java new file mode 100644 index 0000000000..79593b2b6c --- /dev/null +++ b/sca-java-1.x/tags/0.91-incubating/samples/binding-echo-extension/src/main/java/echo/server/EchoService.java @@ -0,0 +1,53 @@ +/* + * 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 echo.server; + +import java.lang.reflect.InvocationTargetException; + +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.invocation.MessageFactory; + +/** + * The EchoService + */ +public class EchoService { + private Invoker invoker; + private MessageFactory messageFactory; + + public EchoService(Invoker invoker, MessageFactory messageFactory) { + super(); + this.invoker = invoker; + this.messageFactory = messageFactory; + } + + public String sendReceive(String input) throws InvocationTargetException { + + Message request = messageFactory.createMessage(); + request.setBody(new Object[] {input}); + // dispatch and get the response + Message response = invoker.invoke(request); + Object body = response.getBody(); + if (response.isFault()) { + throw new InvocationTargetException((Throwable)body); + } + return (String)body; + } + +} |