/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* Licensed 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.axis.providers;
import org.apache.axis.AxisFault;
import org.apache.axis.Constants;
import org.apache.axis.Message;
import org.apache.axis.MessageContext;
import org.apache.axis.components.bridge.COMBridge;
import org.apache.axis.deployment.wsdd.providers.WSDDComProvider;
import org.apache.axis.description.OperationDesc;
import org.apache.axis.description.ParameterDesc;
import org.apache.axis.handlers.soap.SOAPService;
import org.apache.axis.message.RPCElement;
import org.apache.axis.message.RPCHeaderParam;
import org.apache.axis.message.RPCParam;
import org.apache.axis.message.SOAPBodyElement;
import org.apache.axis.message.SOAPEnvelope;
import org.apache.axis.soap.SOAPConstants;
import org.apache.axis.utils.JavaUtils;
import org.apache.axis.utils.Messages;
import javax.xml.namespace.QName;
import java.util.Hashtable;
import java.util.Vector;
public class ComProvider extends BasicProvider {
public void invoke(MessageContext msgContext) throws AxisFault {
try {
SOAPService service = msgContext.getService();
String progID = (String) service.getOption(WSDDComProvider.OPTION_PROGID);
String threadingModel = (String) service.getOption(WSDDComProvider.OPTION_THREADING_MODEL);
if (log.isDebugEnabled()) {
log.debug("Enter: COMProvider.processMessage()");
}
OperationDesc operation = msgContext.getOperation();
Vector bodies = msgContext.getRequestMessage().getSOAPEnvelope().getBodyElements();
if (log.isDebugEnabled()) {
log.debug(Messages.getMessage("bodyElems00", "" + bodies.size()));
log.debug(Messages.getMessage("bodyIs00", "" + bodies.get(0)));
}
RPCElement body = null;
// Find the first "root" body element, which is the RPC call.
for (int bNum = 0; body == null && bNum < bodies.size(); bNum++) {
// If this is a regular old SOAPBodyElement, and it's a root,
// we're probably a non-wrapped doc/lit service. In this case,
// we deserialize the element, and create an RPCElement "wrapper"
// around it which points to the correct method.
// FIXME : There should be a cleaner way to do this...
if (!(bodies.get(bNum) instanceof RPCElement)) {
SOAPBodyElement bodyEl = (SOAPBodyElement) bodies.get(bNum);
// igors: better check if bodyEl.getID() != null
// to make sure this loop does not step on SOAP-ENC objects
// that follow the parameters! FIXME?
if (bodyEl.isRoot() && operation != null && bodyEl.getID() == null) {
ParameterDesc param = operation.getParameter(bNum);
// at least do not step on non-existent parameters!
if (param != null) {
Object val = bodyEl.getValueAsType(param.getTypeQName());
body = new RPCElement("",
operation.getName(),
new Object[]{val});
}
}
} else {
body = (RPCElement) bodies.get(bNum);
}
}
String methodName = body.getMethodName();
Vector args = body.getParams();
int numArgs = args.size();
Vector argValues = new Vector();
// Put the values contained in the RPCParams into an array
// suitable for passing to java.lang.reflect.Method.invoke()
// Make sure we respect parameter ordering if we know about it
// from metadata, and handle whatever conversions are necessary
// (values -> Holders, etc)
for (int i = 0; i < numArgs; i++) {
RPCParam rpcParam = (RPCParam) args.get(i);
Object value = rpcParam.getValue();
// first check the type on the paramter
ParameterDesc paramDesc = rpcParam.getParamDesc();
// if we found some type info try to make sure the value type is
// correct. For instance, if we deserialized a xsd:dateTime in
// to a Calendar and the service takes a Date, we need to convert
if (paramDesc != null && paramDesc.getJavaType() != null) {
// Get the type in the signature (java type or its holder)
Class sigType = paramDesc.getJavaType();
// Convert the value into the expected type in the signature
value = JavaUtils.convert(value,
sigType);
rpcParam.setValue(value);
}
argValues.add(value);
}
COMBridge bridge = new COMBridge();
Hashtable props = new Hashtable();
props.put("progid", progID);
if (threadingModel != null)
props.put("threadmodel", threadingModel);
Object result = bridge.execute(methodName, argValues, props);
RPCElement resBody = new RPCElement(methodName + "Response");
resBody.setPrefix(body.getPrefix());
resBody.setNamespaceURI(body.getNamespaceURI());
resBody.setEncodingStyle(msgContext.getEncodingStyle());
Message resMsg = msgContext.getResponseMessage();
SOAPEnvelope resEnv;
// If we didn't have a response message, make sure we set one up
if (resMsg == null) {
resEnv = new SOAPEnvelope(msgContext.getSOAPConstants());
resMsg = new Message(resEnv);
msgContext.setResponseMessage(resMsg);
} else {
resEnv = resMsg.getSOAPEnvelope();
}
QName returnQName = operation.getReturnQName();
if (returnQName == null) {
returnQName = new QName("", methodName + "Return");
}
// For SOAP 1.2, add a result
if (msgContext.getSOAPConstants() ==
SOAPConstants.SOAP12_CONSTANTS) {
returnQName = Constants.QNAME_RPC_RESULT;
}
RPCParam param = new RPCParam(returnQName, result);
param.setParamDesc(operation.getReturnParamDesc());
if (!operation.isReturnHeader()) {
resBody.addParam(param);
} else {
resEnv.addHeader(new RPCHeaderParam(param));
}
resEnv.addBodyElement(resBody);
} catch (Exception e) {
entLog.debug(Messages.getMessage("toAxisFault00"), e);
throw AxisFault.makeFault(e);
} catch (Throwable t) {
entLog.debug(Messages.getMessage("toAxisFault00"));
throw new AxisFault(Messages.getMessage("toAxisFault00"), t);
}
}
public void initServiceDesc(SOAPService service, MessageContext msgContext)
throws AxisFault {
}
}