diff options
Diffstat (limited to 'sandbox/old/contrib/binding-servicemix/binding/src/main/java/org/apache/servicemix/sca/handler/ExternalJbiServiceClient.java')
-rw-r--r-- | sandbox/old/contrib/binding-servicemix/binding/src/main/java/org/apache/servicemix/sca/handler/ExternalJbiServiceClient.java | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/sandbox/old/contrib/binding-servicemix/binding/src/main/java/org/apache/servicemix/sca/handler/ExternalJbiServiceClient.java b/sandbox/old/contrib/binding-servicemix/binding/src/main/java/org/apache/servicemix/sca/handler/ExternalJbiServiceClient.java new file mode 100644 index 0000000000..22b457687f --- /dev/null +++ b/sandbox/old/contrib/binding-servicemix/binding/src/main/java/org/apache/servicemix/sca/handler/ExternalJbiServiceClient.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 org.apache.servicemix.sca.handler; + +import java.io.ByteArrayOutputStream; +import java.lang.reflect.Method; + +import javax.jbi.messaging.DeliveryChannel; +import javax.jbi.messaging.ExchangeStatus; +import javax.jbi.messaging.InOut; +import javax.jbi.messaging.NormalizedMessage; +import javax.xml.bind.JAXBContext; + +import org.apache.servicemix.jbi.jaxp.StringSource; +import org.apache.servicemix.sca.ScaServiceUnit; +import org.apache.servicemix.sca.assembly.JbiBinding; +import org.apache.tuscany.model.assembly.ExternalService; + +public class ExternalJbiServiceClient { + + private ExternalService externalService; + + private JbiBinding jbiBinding; + + private ScaServiceUnit serviceUnit; + + /** + * Constructs a new ExternalWebServiceClient. + * + * @param externalService + * @param wsBinding + */ + public ExternalJbiServiceClient(ExternalService externalService) { + this.serviceUnit = ScaServiceUnit.getCurrentScaServiceUnit(); + this.externalService = externalService; + this.jbiBinding = (JbiBinding) this.externalService.getBindings().get(0); + } + + /** + * Invoke an operation on the external Web service. + * + * @param method + * @param args + * @return + */ + public Object invoke(Method method, Object[] args) { + if (args == null || args.length != 1) { + throw new IllegalStateException("args should have exactly one object"); + } + try { + Object payload = args[0]; + Class inputClass = method.getParameterTypes()[0]; + Class outputClass = method.getReturnType(); + JAXBContext context = JAXBContext.newInstance(inputClass, outputClass); + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + context.createMarshaller().marshal(payload, baos); + + DeliveryChannel channel = serviceUnit.getComponent().getComponentContext().getDeliveryChannel(); + // TODO: in-only case ? + // TODO: interface based routing ? + // TODO: explicit endpoint selection ? + InOut inout = channel.createExchangeFactory().createInOutExchange(); + inout.setService(jbiBinding.getServiceName()); + NormalizedMessage in = inout.createMessage(); + inout.setInMessage(in); + in.setContent(new StringSource(baos.toString())); + boolean sent = channel.sendSync(inout); + // TODO: check for error ? + NormalizedMessage out = inout.getOutMessage(); + Object response = context.createUnmarshaller().unmarshal(out.getContent()); + inout.setStatus(ExchangeStatus.DONE); + channel.send(inout); + return response; + } catch (Exception e) { + throw new RuntimeException(e); + } + } +} |