| /* |
| * 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.tuscany.sca.binding.hazelcast; |
| |
| import java.io.IOException; |
| import java.io.Serializable; |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.concurrent.Callable; |
| |
| import org.apache.tuscany.sca.common.xml.dom.DOMHelper; |
| import org.apache.tuscany.sca.interfacedef.Interface; |
| import org.apache.tuscany.sca.interfacedef.InterfaceContract; |
| import org.apache.tuscany.sca.interfacedef.Operation; |
| import org.apache.tuscany.sca.interfacedef.util.FaultException; |
| import org.apache.tuscany.sca.runtime.RuntimeEndpoint; |
| import org.oasisopen.sca.NoSuchServiceException; |
| import org.oasisopen.sca.ServiceRuntimeException; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Node; |
| import org.xml.sax.SAXException; |
| |
| public class ServiceInvoker implements Callable<String>, Serializable { |
| private static final long serialVersionUID = 1L; |
| |
| // all fields MUST be Serializable |
| private String serviceURI; |
| private String operationName; |
| private String requestXML; |
| |
| public ServiceInvoker(String serviceURI, String operationName, String msgXML) { |
| this.serviceURI = serviceURI; |
| this.operationName = operationName; |
| this.requestXML = msgXML; |
| } |
| |
| public String call() throws Exception { |
| RuntimeEndpoint endpoint = EndpointStash.getEndpoint(serviceURI); |
| if (endpoint == null) { |
| throw new NoSuchServiceException(serviceURI); |
| } |
| Operation operation = getRequestOperation(endpoint); |
| DOMHelper domHelper = DOMHelper.getInstance(endpoint.getCompositeContext().getExtensionPointRegistry()); |
| Object[] args = getRequestArgs(domHelper); |
| String responseXML; |
| try { |
| Object response = endpoint.invoke(operation, args); |
| responseXML = getResponseXML(domHelper, response); |
| } catch (Exception e) { |
| if (e instanceof InvocationTargetException && ((InvocationTargetException)e).getTargetException() instanceof FaultException) { |
| responseXML = "DECLAREDEXCEPTION:" + getResponseXML(domHelper, ((FaultException)((InvocationTargetException)e).getTargetException()).getFaultInfo()); |
| } else { |
| responseXML = "EXCEPTION: " + e.getClass() + ":" + e.getMessage(); |
| } |
| } |
| return responseXML; |
| } |
| |
| private Operation getRequestOperation(RuntimeEndpoint endpoint) { |
| InterfaceContract ic = endpoint.getBindingInterfaceContract(); |
| Interface iface = ic.getInterface(); |
| for (Operation op : iface.getOperations()) { |
| if (op.getName().equals(operationName)) { |
| return op; |
| } |
| |
| } |
| // TODO: return err msg |
| throw new ServiceRuntimeException("operation not found " + operationName); |
| } |
| |
| private Object[] getRequestArgs(DOMHelper domHelper) throws IOException, SAXException { |
| Document requestDOM = domHelper.load(requestXML); |
| return new Object[] {requestDOM}; |
| } |
| |
| private String getResponseXML(DOMHelper domHelper, Object response) { |
| String responseXML = domHelper.saveAsString((Node)response); |
| return responseXML; |
| } |
| |
| } |