/*******************************************************************************
* Copyright (c) 2008, 2012 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.bpel.extensionsample.model.util;
import java.util.Map;
import javax.wsdl.extensions.ExtensionRegistry;
import javax.xml.namespace.QName;
import org.eclipse.bpel.extensionsample.model.ModelFactory;
import org.eclipse.bpel.extensionsample.model.ModelPackage;
import org.eclipse.bpel.extensionsample.model.SampleSimpleActivity;
import org.eclipse.bpel.extensionsample.model.SampleStructuredActivity;
import org.eclipse.bpel.model.Activity;
import org.eclipse.bpel.model.BPELFactory;
import org.eclipse.bpel.model.BPELPackage;
import org.eclipse.bpel.model.Import;
import org.eclipse.bpel.model.Process;
import org.eclipse.bpel.model.Variable;
import org.eclipse.bpel.model.extensions.BPELActivityDeserializer;
import org.eclipse.bpel.model.resource.BPELReader;
import org.eclipse.bpel.model.util.BPELUtils;
import org.eclipse.bpel.model.util.ImportResolver;
import org.eclipse.bpel.model.util.ImportResolverRegistry;
import org.eclipse.bpel.model.util.WSDLUtil;
import org.eclipse.bpel.ui.util.ModelHelper;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.wst.wsdl.Definition;
import org.eclipse.wst.wsdl.Message;
import org.eclipse.xsd.XSDElementDeclaration;
import org.eclipse.xsd.XSDTypeDefinition;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/*
* Bug 120110 - this class has been updated to include a Variable
* reference for the SampleSimpleActivity and a Variable definition
* for the SampleStructuredActivity.
*/
public class ExtensionSampleActivityDeserializer implements BPELActivityDeserializer {
@Override
public Activity unmarshall(QName elementType, Node node, Activity activity, Process process,
Map nsMap, ExtensionRegistry extReg, URI uri, BPELReader bpelReader) {
/*
* SampleSimpleActivity
*/
if (ExtensionsampleConstants.ND_SAMPLE_SIMPLE_ACTIVITY.equals(elementType.getLocalPart())) {
// create a new SampleSimpleActivity model object if not already created
SampleSimpleActivity sa;
Element saElement = (Element)node;
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=334424
if (activity instanceof SampleSimpleActivity) {
sa = (SampleSimpleActivity)activity;
}
else {
sa = ModelFactory.eINSTANCE
.createSampleSimpleActivity();
// attach the DOM node to our new activity
sa.setElement(saElement);
}
// handle the SampleExtensionAttribute
String attName = ModelPackage.eINSTANCE
.getSampleSimpleActivity_SampleExtensionAttribute().getName();
if (saElement.getAttribute(attName) != null) {
sa.setSampleExtensionAttribute(saElement.getAttribute(attName));
}
// handle variable name: find this variable is in a visible scope
String value = saElement.getAttribute("variable");
if (value!=null && !"".equals(value.trim())) {
Variable[] vars = ModelHelper.getVisibleVariables(activity);
for (int i=vars.length-1; i>=0; --i) {
if (value.equals(vars[i].getName())) {
sa.setVariable(vars[i]);
break;
}
}
}
return sa;
}
/*
* SampleStructuredActivity
*/
if (ExtensionsampleConstants.ND_SAMPLE_STRUCTURED_ACTIVITY.equals(elementType
.getLocalPart())) {
Element saElement = (Element) node;
// create a new SampleStructuredActivity model object
SampleStructuredActivity sa;
if (activity instanceof SampleStructuredActivity) {
sa = (SampleStructuredActivity)activity;
}
else
{
sa = ModelFactory.eINSTANCE
.createSampleStructuredActivity();
// attach the DOM node to our new activity
sa.setElement(saElement);
}
// handle variable definition
String value = saElement.getAttribute("variable");
if (value!=null && !"".equals(value.trim())) {
Variable variable = sa.getVariable();
if (variable==null)
variable = BPELFactory.eINSTANCE.createVariable();
variable.setName(value);
value = saElement.getAttribute("messageType");
if (value!=null && !"".equals(value.trim())) {
QName qname = BPELUtils.createQName(process.getElement(), value);
Message message = (Message)scanImports( process, qname, WSDLUtil.WSDL_MESSAGE );
if (message!=null)
variable.setMessageType(message);
}
value = saElement.getAttribute("type");
if (value!=null && !"".equals(value.trim())) {
QName qname = BPELUtils.createQName(process.getElement(), value);
XSDTypeDefinition type = (XSDTypeDefinition)scanImports( process, qname, WSDLUtil.XSD_TYPE_DEFINITION );
if (type!=null)
variable.setType(type);
}
value = saElement.getAttribute("element");
if (value!=null && !"".equals(value.trim())) {
QName qname = BPELUtils.createQName(process.getElement(), value);
XSDElementDeclaration elem = (XSDElementDeclaration)scanImports( process, qname, WSDLUtil.XSD_ELEMENT_DECLARATION );
if (elem!=null)
variable.setXSDElement(elem);
}
sa.setVariable(variable);
}
// handle the child activity
NodeList childElements = saElement.getChildNodes();
Element activityElement = null;
if (childElements != null && childElements.getLength() > 0) {
for (int i = 0; i < childElements.getLength(); i++) {
// the only element node is the child activity
if ((childElements.item(i).getNodeType() == Node.ELEMENT_NODE)) {
activityElement = (Element) childElements.item(i);
Activity childActivity = bpelReader.xml2Activity(activityElement);
if (childActivity != null) {
sa.setActivity(childActivity);
}
}
}
}
return sa;
}
System.err.println("Cannot handle this kind of element");
return null;
}
static EObject scanImports( Process process, QName qname , String refType ) {
EObject result = null;
for(Object n : process.getImports()) {
Import imp = (Import) n;
if (imp.getLocation() == null ) {
continue;
}
ImportResolver[] resolvers = ImportResolverRegistry.INSTANCE.getResolvers(imp.getImportType());
for(ImportResolver r : resolvers) {
result = r.resolve(imp, qname, null, refType);
if (result != null) {
return result;
}
}
}
return null;
}
}