/*******************************************************************************
* Copyright (c) 2001, 2009 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.wst.wsdl.internal.impl;
import java.io.IOException;
import java.io.InputStream;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.wst.wsdl.Definition;
import org.eclipse.wst.wsdl.Import;
import org.eclipse.wst.wsdl.WSDLFactory;
import org.eclipse.wst.wsdl.WSDLPackage;
import org.eclipse.wst.wsdl.internal.util.WSDLModelLocator;
import org.eclipse.wst.wsdl.util.WSDLConstants;
import org.eclipse.wst.wsdl.util.WSDLResourceImpl;
import org.eclipse.xsd.XSDSchema;
import org.eclipse.xsd.util.XSDConstants;
import org.eclipse.xsd.util.XSDResourceImpl;
import org.w3c.dom.Element;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;
import org.xml.sax.helpers.XMLReaderFactory;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>Import</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.eclipse.wst.wsdl.internal.impl.ImportImpl#getNamespaceURI <em>Namespace URI</em>}</li>
* <li>{@link org.eclipse.wst.wsdl.internal.impl.ImportImpl#getLocationURI <em>Location URI</em>}</li>
* <li>{@link org.eclipse.wst.wsdl.internal.impl.ImportImpl#getEDefinition <em>EDefinition</em>}</li>
* <li>{@link org.eclipse.wst.wsdl.internal.impl.ImportImpl#getESchema <em>ESchema</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class ImportImpl extends ExtensibleElementImpl implements Import
{
/**
* This class is not intended to be serialized.
* serialVersionUID is assigned with 1L to avoid
* compiler warning messages.
*/
private static final long serialVersionUID = 1L;
protected boolean resolved;
/**
* The default value of the '{@link #getNamespaceURI() <em>Namespace URI</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getNamespaceURI()
* @generated
* @ordered
*/
protected static final String NAMESPACE_URI_EDEFAULT = null;
/**
* The cached value of the '{@link #getNamespaceURI() <em>Namespace URI</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getNamespaceURI()
* @generated
* @ordered
*/
protected String namespaceURI = NAMESPACE_URI_EDEFAULT;
/**
* The default value of the '{@link #getLocationURI() <em>Location URI</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getLocationURI()
* @generated
* @ordered
*/
protected static final String LOCATION_URI_EDEFAULT = null;
/**
* The cached value of the '{@link #getLocationURI() <em>Location URI</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getLocationURI()
* @generated
* @ordered
*/
protected String locationURI = LOCATION_URI_EDEFAULT;
/**
* The cached value of the '{@link #getEDefinition() <em>EDefinition</em>}' reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getEDefinition()
* @generated
* @ordered
*/
protected Definition eDefinition;
/**
* The cached value of the '{@link #getESchema() <em>ESchema</em>}' reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getESchema()
* @generated
* @ordered
*/
protected XSDSchema eSchema;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected ImportImpl()
{
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected EClass eStaticClass()
{
return WSDLPackage.Literals.IMPORT;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public String getNamespaceURI()
{
return namespaceURI;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setNamespaceURI(String newNamespaceURI)
{
String oldNamespaceURI = namespaceURI;
namespaceURI = newNamespaceURI;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, WSDLPackage.IMPORT__NAMESPACE_URI, oldNamespaceURI, namespaceURI));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public String getLocationURI()
{
return locationURI;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setLocationURI(String newLocationURI)
{
String oldLocationURI = locationURI;
locationURI = newLocationURI;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, WSDLPackage.IMPORT__LOCATION_URI, oldLocationURI, locationURI));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Definition getEDefinition()
{
if (eDefinition != null && eDefinition.eIsProxy())
{
InternalEObject oldEDefinition = (InternalEObject)eDefinition;
eDefinition = (Definition)eResolveProxy(oldEDefinition);
if (eDefinition != oldEDefinition)
{
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.RESOLVE, WSDLPackage.IMPORT__EDEFINITION, oldEDefinition, eDefinition));
}
}
return eDefinition;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Definition basicGetEDefinition()
{
return eDefinition;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setEDefinition(Definition newEDefinition)
{
Definition oldEDefinition = eDefinition;
eDefinition = newEDefinition;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, WSDLPackage.IMPORT__EDEFINITION, oldEDefinition, eDefinition));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public XSDSchema getESchema()
{
if (eSchema != null && eSchema.eIsProxy())
{
InternalEObject oldESchema = (InternalEObject)eSchema;
eSchema = (XSDSchema)eResolveProxy(oldESchema);
if (eSchema != oldESchema)
{
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.RESOLVE, WSDLPackage.IMPORT__ESCHEMA, oldESchema, eSchema));
}
}
return eSchema;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public XSDSchema basicGetESchema()
{
return eSchema;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setESchema(XSDSchema newESchema)
{
XSDSchema oldESchema = eSchema;
eSchema = newESchema;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, WSDLPackage.IMPORT__ESCHEMA, oldESchema, eSchema));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
public XSDSchema getSchema()
{
return getESchema();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
public void setSchema(XSDSchema schema)
{
setESchema(schema);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Object eGet(int featureID, boolean resolve, boolean coreType)
{
switch (featureID)
{
case WSDLPackage.IMPORT__NAMESPACE_URI:
return getNamespaceURI();
case WSDLPackage.IMPORT__LOCATION_URI:
return getLocationURI();
case WSDLPackage.IMPORT__EDEFINITION:
if (resolve)
return getEDefinition();
return basicGetEDefinition();
case WSDLPackage.IMPORT__ESCHEMA:
if (resolve)
return getESchema();
return basicGetESchema();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void eSet(int featureID, Object newValue)
{
switch (featureID)
{
case WSDLPackage.IMPORT__NAMESPACE_URI:
setNamespaceURI((String)newValue);
return;
case WSDLPackage.IMPORT__LOCATION_URI:
setLocationURI((String)newValue);
return;
case WSDLPackage.IMPORT__EDEFINITION:
setEDefinition((Definition)newValue);
return;
case WSDLPackage.IMPORT__ESCHEMA:
setESchema((XSDSchema)newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void eUnset(int featureID)
{
switch (featureID)
{
case WSDLPackage.IMPORT__NAMESPACE_URI:
setNamespaceURI(NAMESPACE_URI_EDEFAULT);
return;
case WSDLPackage.IMPORT__LOCATION_URI:
setLocationURI(LOCATION_URI_EDEFAULT);
return;
case WSDLPackage.IMPORT__EDEFINITION:
setEDefinition((Definition)null);
return;
case WSDLPackage.IMPORT__ESCHEMA:
setESchema((XSDSchema)null);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean eIsSet(int featureID)
{
switch (featureID)
{
case WSDLPackage.IMPORT__NAMESPACE_URI:
return NAMESPACE_URI_EDEFAULT == null ? namespaceURI != null : !NAMESPACE_URI_EDEFAULT.equals(namespaceURI);
case WSDLPackage.IMPORT__LOCATION_URI:
return LOCATION_URI_EDEFAULT == null ? locationURI != null : !LOCATION_URI_EDEFAULT.equals(locationURI);
case WSDLPackage.IMPORT__EDEFINITION:
return eDefinition != null;
case WSDLPackage.IMPORT__ESCHEMA:
return eSchema != null;
}
return super.eIsSet(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public String toString()
{
if (eIsProxy())
return super.toString();
StringBuffer result = new StringBuffer(super.toString());
result.append(" (namespaceURI: "); //$NON-NLS-1$
result.append(namespaceURI);
result.append(", locationURI: "); //$NON-NLS-1$
result.append(locationURI);
result.append(')');
return result.toString();
}
/**
* @see Import#getDefinition()
*/
public javax.wsdl.Definition getDefinition()
{
return getEDefinition();
}
/**
* @see Import#setDefinition(Definition)
*/
public void setDefinition(javax.wsdl.Definition definition)
{
setEDefinition((org.eclipse.wst.wsdl.Definition)definition);
}
//
// Reconcile methods
//
public void reconcileAttributes(Element changedElement)
{
setNamespaceURI(WSDLConstants.getAttribute(changedElement, WSDLConstants.NAMESPACE_ATTRIBUTE));
setLocationURI(WSDLConstants.getAttribute(changedElement, WSDLConstants.LOCATION_ATTRIBUTE));
}
//
// For reconciliation: Model -> DOM
//
protected void changeAttribute(EAttribute eAttribute)
{
// We need to set this boolean to false because the Import may point to a different location.
// So we need we should view this import as unresolved.
resolved = false;
if (isReconciling)
return;
super.changeAttribute(eAttribute);
Element theElement = getElement();
if (theElement != null)
{
if (eAttribute == null || eAttribute == WSDLPackage.Literals.IMPORT__NAMESPACE_URI)
niceSetAttribute(theElement, WSDLConstants.NAMESPACE_ATTRIBUTE, getNamespaceURI());
if (eAttribute == null || eAttribute == WSDLPackage.Literals.IMPORT__LOCATION_URI)
niceSetAttribute(theElement, WSDLConstants.LOCATION_ATTRIBUTE, getLocationURI());
}
}
public Element createElement()
{
Element newElement = createElement(WSDLConstants.IMPORT);
setElement(newElement);
return newElement;
}
public void importDefinitionOrSchema()
{
resolve(getNamespaceURI(), getLocationURI());
}
protected void resolve(String namespace, String location)
{
if (!resolved)
{
// KB: bugzilla 118293
// If a user changes <wsdl:import> from a WSDL file to an XML Schema file
// or the other way around, we should set the variable for the first
// <wsdl:import> source to null. Here I am simply setting both variables to null,
// which will have the same effect.
eDefinition = null;
eSchema = null;
Definition definition = getEnclosingDefinition();
if (definition != null && definition.getDocumentBaseURI() != null)
{
Resource resource = definition.eResource();
if (resource != null)
{
ResourceSet resourceSet = resource.getResourceSet();
if (resourceSet != null)
{
if (namespace == null)
{
namespace = definition.getTargetNamespace();
}
String resolvedLocation = resolveLocation(definition, namespace, location);
if (resolvedLocation == null)
{
return;
}
URI uri = URI.createURI(resolvedLocation);
Resource resolvedResource = resourceSet.getResource(uri, false);
if (resolvedResource == null)
{
try
{
InputStream inputStream = resourceSet.getURIConverter().createInputStream(uri);
resolvedResource = getResource(uri, resourceSet);
resolvedResource.load(inputStream, resourceSet.getLoadOptions());
}
catch (IOException exception)
{
// It is generally not an error to fail to resolve.
// If a resource is actually created,
// which happens only when we can create an input stream,
// then it's an error if it's not a good wsdl or schema
}
}
if (resolvedResource != null)
{
if (resolvedResource instanceof WSDLResourceImpl)
{
eDefinition = ((WSDLResourceImpl)resolvedResource).getDefinition();
}
else if (resolvedResource instanceof XSDResourceImpl)
{
eSchema = ((XSDResourceImpl)resolvedResource).getSchema();
}
else
{
eDefinition = WSDLFactory.eINSTANCE.createDefinition();
}
}
resolved = true;
}
}
}
}
}
protected String resolveLocation(Definition definition, String namespace, String schemaLocation)
{
String result = null;
WSDLModelLocator locator = (WSDLModelLocator)EcoreUtil.getRegisteredAdapter(definition.eResource(), WSDLModelLocator.class);
if (locator != null)
{
result = locator.resolveURI(definition.getDocumentBaseURI(), namespace, schemaLocation);
}
else
{
// TODO... there's some default resolving we'll need to do here
// see XSDSchemaDirective
URI baseLocationURI = createURI(definition.getDocumentBaseURI());
URI locationURI = URI.createURI(schemaLocation);
return locationURI.resolve(baseLocationURI).toString();
}
return result;
}
//TODO... push down to EMF
private static URI createURI(String uriString)
{
if (hasProtocol(uriString))
return URI.createURI(uriString);
else
return URI.createFileURI(uriString);
}
//TODO... push down to EMF
private static boolean hasProtocol(String uri)
{
boolean result = false;
if (uri != null)
{
int index = uri.indexOf(":");
if (index != -1 && index > 2) // assume protocol with be length 3 so that the'C' in 'C:/' is not interpreted as a protocol
{
result = true;
}
}
return result;
}
private static String getRootElementName(String uri)
{
RootElementNameContentHandler handler = new RootElementNameContentHandler();
try
{
XMLReader reader = XMLReaderFactory.createXMLReader();
reader.setContentHandler(handler);
reader.parse(uri);
}
catch (Exception e)
{
// Explicitly ignore any exceptions.
}
return handler.rootElementName;
}
private static class RootElementNameContentHandler extends DefaultHandler
{
public String rootElementName;
public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException
{
rootElementName = localName;
// Throw an exception to make the SAX Parser to stop parsing
throw new SAXException("SAXParser intentionally stopped"); //$NON-NLS-1$
}
}
private static final URI XSD_URI = URI.createURI("*.xsd"); //$NON-NLS-1$
private static final URI WSDL_URI = URI.createURI("*.wsdl"); //$NON-NLS-1$
private static Resource getResource(URI uri, ResourceSet resourceSet)
{
// Allow the resource set the first chance to create the resource based on
// the registered resource factories.
Resource resource = resourceSet.createResource(uri);
boolean isWsdlOrXsdResource = resource instanceof WSDLResourceImpl || resource instanceof XSDResourceImpl;
if (!isWsdlOrXsdResource)
{
// The URI was not mapped to a WSDL or XSD resource.
// Try to peek inside the resource to determine if its an XSD or WSDL document.
String rootElementName = getRootElementName(uri.toString());
if (rootElementName != null)
{
URI resourceURI = null;
if (XSDConstants.SCHEMA_ELEMENT_TAG.equals(rootElementName))
{
resourceURI = XSD_URI;
}
else if (WSDLConstants.DEFINITION_ELEMENT_TAG.equals(rootElementName))
{
resourceURI = WSDL_URI;
}
if (resourceURI != null)
{
resource = resourceSet.createResource(resourceURI);
resource.setURI(uri);
}
}
}
return resource;
}
} //ImportImpl