/*
* 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.sca.corba.impl;
import java.io.ByteArrayInputStream;
import java.lang.reflect.Method;
import java.util.Map;
import javax.xml.stream.XMLStreamException;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.impl.builder.StAXOMBuilder;
import org.apache.tuscany.sca.binding.corba.impl.exceptions.RequestConfigurationException;
import org.apache.tuscany.sca.binding.corba.impl.reference.DynaCorbaRequest;
import org.apache.tuscany.sca.binding.corba.impl.reference.DynaCorbaResponse;
import org.apache.tuscany.sca.interfacedef.util.FaultException;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
import org.omg.CORBA.Object;
import org.osoa.sca.ServiceRuntimeException;
public class CorbaSCAInvoker implements Invoker {
private Object remoteObject;
private Class<?> referenceClass;
public CorbaSCAInvoker(Object remoteObject,
Class<?> referenceClass,
Map<Method, String> operationsMap,
boolean scaBindingRules) {
this.remoteObject = remoteObject;
this.referenceClass = referenceClass;
}
/**
* @see org.apache.tuscany.sca.invocation.Invoker#invoke(org.apache.tuscany.sca.invocation.Message)
*/
public Message invoke(Message msg) {
try {
DynaCorbaRequest request = new DynaCorbaRequest(remoteObject, "scaService");
request.setReferenceClass(referenceClass);
request.setOutputType(String.class);
request.addExceptionType(WrappedSCAException.class);
java.lang.Object[] args = msg.getBody();
OMElement omElement = (OMElement)args[0];
String arg = omElement.toStringWithConsume();
request.addArgument(arg);
DynaCorbaResponse response = request.invoke();
OMElement responseOM = stringToOM((String)response.getContent());
msg.setBody(responseOM);
} catch (WrappedSCAException e) {
try {
OMElement exceptionOM = stringToOM(e.getFault());
// AxisFault axisFault = new AxisFault("");
// axisFault.setDetail(exceptionOM);
FaultException f = new FaultException(e.getMessage(), exceptionOM, e);
f.setFaultName(exceptionOM.getQName());
msg.setFaultBody(f);
} catch (XMLStreamException e1) {
}
} catch (RequestConfigurationException e) {
throw new ServiceRuntimeException(e);
} catch (Exception e) {
msg.setFaultBody(e);
}
return msg;
}
/**
* This will help you to create an OMElement from an xml fragment which you have as a string.
*
* @param xmlFragment - the well-formed xml fragment
* @return The OMElement created out of the string xml fragment.
* @throws XMLStreamException
*/
static OMElement stringToOM(String xmlFragment) throws XMLStreamException {
if (xmlFragment != null) {
return new StAXOMBuilder(new ByteArrayInputStream(xmlFragment.getBytes())).getDocumentElement();
}
return null;
}
}