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/*
* 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.interfacedef.wsdl.xml;
import java.io.IOException;
import java.net.URI;
import java.net.URL;
import java.util.List;
import javax.wsdl.Definition;
import javax.wsdl.Import;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import org.apache.tuscany.sca.common.xml.stax.StAXHelper;
import org.apache.tuscany.sca.common.xml.stax.StAXHelper.Attribute;
import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition;
import org.apache.tuscany.sca.interfacedef.wsdl.WSDLFactory;
import org.apache.tuscany.sca.monitor.Monitor;
import org.apache.tuscany.sca.monitor.Problem;
import org.apache.tuscany.sca.monitor.Problem.Severity;
import org.apache.tuscany.sca.xsd.XSDFactory;
import org.apache.tuscany.sca.xsd.XSDefinition;
/**
* An ArtifactProcessor for WSDL documents.
*
* @version $Rev$ $Date$
*/
public class WSDLDocumentProcessor implements URLArtifactProcessor<WSDLDefinition> {
public static final QName WSDL11 = new QName("http://schemas.xmlsoap.org/wsdl/", "definitions");
public static final QName WSDL11_IMPORT = new QName("http://schemas.xmlsoap.org/wsdl/", "import");
public static final QName XSD = new QName("http://www.w3.org/2001/XMLSchema", "schema");
private XMLInputFactory inputFactory;
private StAXHelper helper;
private WSDLFactory factory;
private XSDFactory xsdFactory;
public WSDLDocumentProcessor(ExtensionPointRegistry registry, StAXArtifactProcessor processor) {
FactoryExtensionPoint modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class);
this.factory = modelFactories.getFactory(WSDLFactory.class);
this.xsdFactory = modelFactories.getFactory(XSDFactory.class);
this.inputFactory = modelFactories.getFactory(XMLInputFactory.class);
this.helper = StAXHelper.getInstance(registry);
}
/**
* Report a exception.
*
* @param problems
* @param message
* @param model
*/
private void error(Monitor monitor, String message, Object model, Exception ex) {
if (monitor != null) {
Problem problem = monitor.createProblem(this.getClass().getName(), "interface-wsdlxml-validation-messages", Severity.ERROR, model, message, ex);
monitor.problem(problem);
}
}
public WSDLDefinition read(URL contributionURL, URI artifactURI, URL artifactURL, ProcessorContext context) throws ContributionReadException {
try {
WSDLDefinition definition = indexRead(artifactURL);
definition.setURI(artifactURI);
return definition;
} catch (Exception e) {
ContributionReadException ce = new ContributionReadException(e);
error(context.getMonitor(), "ContributionReadException", artifactURL, ce);
//throw ce;
return null;
}
}
public void resolve(WSDLDefinition model, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException {
if (model == null) return;
Monitor monitor = context.getMonitor();
Definition definition = model.getDefinition();
if (definition != null) {
for (Object imports : definition.getImports().values()) {
List importList = (List)imports;
for (Object i : importList) {
Import imp = (Import)i;
if (imp.getDefinition() != null) {
continue;
}
if (imp.getLocationURI() == null) {
// FIXME: [rfeng] By the WSDL 1.1 Specification, the location attribute is required
// We need to resolve it by QName
WSDLDefinition proxy = factory.createWSDLDefinition();
proxy.setUnresolved(true);
proxy.setNamespace(imp.getNamespaceURI());
WSDLDefinition resolved = resolver.resolveModel(WSDLDefinition.class, proxy, context);
if (resolved != null && !resolved.isUnresolved()) {
imp.setDefinition(resolved.getDefinition());
if (!model.getImportedDefinitions().contains(resolved)) {
model.getImportedDefinitions().add(resolved);
}
}
} else {
String location = imp.getLocationURI();
if (location.indexOf(' ') != -1) {
location = location.replace(" ", "%20");
}
URI uri = URI.create(location);
if (uri.isAbsolute()) {
WSDLDefinition resolved;
try {
resolved = read(null, uri, uri.toURL(), context);
imp.setDefinition(resolved.getDefinition());
if (!model.getImportedDefinitions().contains(resolved)) {
model.getImportedDefinitions().add(resolved);
}
} catch (Exception e) {
ContributionResolveException ce = new ContributionResolveException(e);
error(monitor, "ContributionResolveException", resolver, ce);
//throw ce;
}
} else {
if (location.startsWith("/")) {
// This is a relative URI against a contribution
location = location.substring(1);
// TODO: Need to resolve it against the contribution
} else {
// This is a relative URI against the WSDL document
URI baseURI = URI.create(model.getDefinition().getDocumentBaseURI());
URI locationURI = baseURI.resolve(location);
WSDLDefinition resolved;
try {
resolved = read(null, locationURI, locationURI.toURL(), context);
imp.setDefinition(resolved.getDefinition());
if (!model.getImportedDefinitions().contains(resolved)) {
model.getImportedDefinitions().add(resolved);
}
} catch (Exception e) {
ContributionResolveException ce = new ContributionResolveException(e);
error(monitor, "ContributionResolveException", resolver, ce);
//throw ce;
}
}
}
}
}
}
}
}
public String getArtifactType() {
return ".wsdl";
}
public Class<WSDLDefinition> getModelType() {
return WSDLDefinition.class;
}
/**
* Read the namespace for the WSDL definition and inline schemas
*
* @param doc
* @return
* @throws IOException
* @throws XMLStreamException
*/
protected WSDLDefinition indexRead(URL doc) throws Exception {
WSDLDefinition wsdlDefinition = factory.createWSDLDefinition();
wsdlDefinition.setUnresolved(true);
wsdlDefinition.setLocation(doc.toURI());
Attribute attr1 = new Attribute(WSDL11, "targetNamespace");
Attribute attr2 = new Attribute(XSD, "targetNamespace");
Attribute[] attrs = helper.readAttributes(doc, attr1, attr2);
wsdlDefinition.setNamespace(attr1.getValues().get(0));
// The definition is marked as resolved but not loaded
wsdlDefinition.setUnresolved(false);
wsdlDefinition.setDefinition(null);
int index = 0;
for (String tns : attr2.getValues()) {
XSDefinition xsd = xsdFactory.createXSDefinition();
xsd.setUnresolved(true);
xsd.setNamespace(tns);
xsd.setLocation(URI.create(doc.toURI() + "#" + index));
index++;
// The definition is marked as resolved but not loaded
xsd.setUnresolved(false);
xsd.setSchema(null);
wsdlDefinition.getXmlSchemas().add(xsd);
}
if (attr2.getValues().size() == 0){
// if there are no schema defined add in the XSD schema
// so this at least gets resolved otherwise we'll get
// errors when trying to resolve part types that
// use primitive types
XSDefinition xsd = xsdFactory.createXSDefinition();
xsd.setUnresolved(true);
xsd.setNamespace("http://www.w3.org/2001/XMLSchema");
xsd.setUnresolved(false);
xsd.setSchema(null);
wsdlDefinition.getXmlSchemas().add(xsd);
}
return wsdlDefinition;
}
}
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