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Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.2/modules/interface-wsdl-java2wsdl/src/main')
| -rw-r--r-- | sca-java-1.x/branches/sca-java-1.2/modules/interface-wsdl-java2wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/java2wsdl/Java2WSDLHelper.java | 483 |
1 files changed, 483 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.2/modules/interface-wsdl-java2wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/java2wsdl/Java2WSDLHelper.java b/sca-java-1.x/branches/sca-java-1.2/modules/interface-wsdl-java2wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/java2wsdl/Java2WSDLHelper.java new file mode 100644 index 0000000000..099d5d1534 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.2/modules/interface-wsdl-java2wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/java2wsdl/Java2WSDLHelper.java @@ -0,0 +1,483 @@ +/* + * 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.java2wsdl; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.lang.reflect.Method; +import java.net.URI; +import java.net.URL; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import javax.wsdl.Binding; +import javax.wsdl.BindingOperation; +import javax.wsdl.BindingOutput; +import javax.wsdl.Definition; +import javax.wsdl.Input; +import javax.wsdl.Message; +import javax.wsdl.OperationType; +import javax.wsdl.Output; +import javax.wsdl.Part; +import javax.wsdl.Port; +import javax.wsdl.PortType; +import javax.wsdl.Service; +import javax.wsdl.Types; +import javax.wsdl.WSDLException; +import javax.wsdl.extensions.ExtensibilityElement; +import javax.wsdl.extensions.UnknownExtensibilityElement; +import javax.wsdl.extensions.schema.Schema; +import javax.wsdl.xml.WSDLLocator; +import javax.wsdl.xml.WSDLReader; +import javax.xml.XMLConstants; +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract; +import org.apache.tuscany.sca.interfacedef.util.XMLType; +import org.apache.tuscany.sca.interfacedef.wsdl.DefaultWSDLFactory; +import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition; +import org.apache.tuscany.sca.interfacedef.wsdl.WSDLFactory; +import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface; +import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterfaceContract; +import org.apache.tuscany.sca.interfacedef.wsdl.XSDefinition; +import org.apache.tuscany.sca.interfacedef.wsdl.impl.InvalidWSDLException; +import org.apache.tuscany.sca.interfacedef.wsdl.impl.WSDLOperationIntrospectorImpl; +import org.apache.tuscany.sca.interfacedef.wsdl.xml.WSDLModelResolver; +import org.apache.tuscany.sca.interfacedef.wsdl.xml.XMLDocumentHelper; +import org.apache.ws.commons.schema.XmlSchema; +import org.apache.ws.commons.schema.XmlSchemaCollection; +import org.apache.ws.java2wsdl.Java2WSDLBuilder; +import org.osoa.sca.annotations.OneWay; +import org.w3c.dom.Attr; +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.NamedNodeMap; +import org.w3c.dom.Node; +import org.xml.sax.InputSource; + +/** + * Utility methods to create WSDL objects from Java interfaces + */ +public class Java2WSDLHelper { + + private static void register(Map<String, String> map, DataType type) { + if (type == null) { + return; + } + Package pkg = type.getPhysical().getPackage(); + if (pkg != null) { + String pkgName = pkg.getName(); + Object logical = type.getLogical(); + if (logical instanceof XMLType) { + QName typeName = ((XMLType)logical).getTypeName(); + if (typeName != null && !XMLConstants.W3C_XML_SCHEMA_NS_URI.equals(typeName.getNamespaceURI())) { + map.put(pkgName, typeName.getNamespaceURI()); + } + } + } + } + + /** + * Create a WSDLInterfaceContract from a JavaInterfaceContract + */ + public static WSDLInterfaceContract createWSDLInterfaceContract(JavaInterfaceContract contract) { + return createWSDLInterfaceContract(contract, false); + } + + /** + * Create a WSDLInterfaceContract from a JavaInterfaceContract + */ + public static WSDLInterfaceContract createWSDLInterfaceContract(JavaInterfaceContract contract, + boolean requiresSOAP12) { + JavaInterface iface = (JavaInterface)contract.getInterface(); + + // Create a package2ns map + Map<String, String> pkg2nsMap = new HashMap<String, String>(); + for (Operation op : iface.getOperations()) { + DataType<List<DataType>> inputType = op.getInputType(); + for (DataType t : inputType.getLogical()) { + register(pkg2nsMap, t); + } + DataType outputType = op.getOutputType(); + register(pkg2nsMap, outputType); + } + + Definition def = createDefinition(pkg2nsMap, iface.getJavaClass(), requiresSOAP12); + + DefaultWSDLFactory wsdlFactory = new DefaultWSDLFactory(); + + WSDLInterfaceContract wsdlContract = wsdlFactory.createWSDLInterfaceContract(); + WSDLInterface wsdlInterface = wsdlFactory.createWSDLInterface(); + + wsdlContract.setInterface(wsdlInterface); + WSDLDefinition wsdlDefinition = new DefaultWSDLFactory().createWSDLDefinition(); + wsdlDefinition.setDefinition(def); + wsdlInterface.setWsdlDefinition(wsdlDefinition); + wsdlInterface.setRemotable(true); + wsdlInterface.setConversational(contract.getInterface().isConversational()); + wsdlInterface.setUnresolved(false); + wsdlInterface.setRemotable(true); + PortType portType = (PortType)def.getAllPortTypes().values().iterator().next(); + wsdlInterface.setPortType(portType); + + readInlineSchemas(wsdlFactory, wsdlDefinition, def, new XmlSchemaCollection()); + + try { + for (Operation op : iface.getOperations()) { + javax.wsdl.Operation wsdlOp = portType.getOperation(op.getName(), null, null); + WSDLOperationIntrospectorImpl opx = + new WSDLOperationIntrospectorImpl(wsdlFactory, wsdlOp, wsdlDefinition, null, null); + + wsdlInterface.getOperations().add(opx.getOperation()); + + /* + Operation clonedOp = (Operation)op.clone(); + clonedOp.setDataBinding(null); + + if (clonedOp.getInputType().getLogical().isEmpty()) { + // null args case needs a single input type for the wrapper + clonedOp.setInputType(opx.getInputType()); + } + for (DataType<?> dt : clonedOp.getInputType().getLogical()) { + dt.setDataBinding(null); + } + + if (clonedOp.getOutputType() != null) { + clonedOp.getOutputType().setDataBinding(null); + } + for (DataType<?> dt : clonedOp.getFaultTypes()) { + dt.setDataBinding(null); + } + clonedOp.setWrapperStyle(true); + clonedOp.setWrapper(opx.getWrapper().getWrapperInfo()); + + wsdlInterface.getOperations().add(clonedOp); + */ + } + } catch (InvalidWSDLException e) { + throw new RuntimeException(e); + } + + return wsdlContract; + } + + private static Document promote(Element element) { + Document doc = (Document)element.getOwnerDocument().cloneNode(false); + Element schema = (Element)doc.importNode(element, true); + doc.appendChild(schema); + Node parent = element.getParentNode(); + while (parent instanceof Element) { + Element root = (Element)parent; + NamedNodeMap nodeMap = root.getAttributes(); + if (nodeMap != null) { // nodename: #document value: null + for (int i = 0; i < nodeMap.getLength(); i++) { + Attr attr = (Attr)nodeMap.item(i); + String name = attr.getName(); + if ("xmlns".equals(name) || name.startsWith("xmlns:")) { + if (schema.getAttributeNode(name) == null) { + schema.setAttributeNodeNS((Attr)doc.importNode(attr, true)); + } + } + } + } + parent = parent.getParentNode(); + } + doc.setDocumentURI(element.getOwnerDocument().getDocumentURI()); + return doc; + } + + /** + * Populate the inline schemas including those from the imported definitions + * + * @param definition + * @param schemaCollection + */ + private static void readInlineSchemas(WSDLFactory wsdlFactory, + WSDLDefinition wsdlDefinition, + Definition definition, + XmlSchemaCollection schemaCollection) { + Types types = definition.getTypes(); + if (types != null) { + int index = 0; + for (Object ext : types.getExtensibilityElements()) { + ExtensibilityElement extElement = (ExtensibilityElement)ext; + Element element = null; + if (WSDLModelResolver.XSD_QNAME_LIST.contains(extElement.getElementType())) { + if (extElement instanceof Schema) { + element = ((Schema)extElement).getElement(); + } else if (extElement instanceof UnknownExtensibilityElement) { + element = ((UnknownExtensibilityElement)extElement).getElement(); + } + } + if (element != null) { + Document doc = promote(element); + XSDefinition xsDefinition = wsdlFactory.createXSDefinition(); + xsDefinition.setUnresolved(true); + xsDefinition.setNamespace(element.getAttribute("targetNamespace")); + xsDefinition.setDocument(doc); + xsDefinition.setLocation(URI.create(doc.getDocumentURI() + "#" + index)); + loadXSD(schemaCollection, xsDefinition); + wsdlDefinition.getXmlSchemas().add(xsDefinition); + index++; + } + } + } + for (Object imports : definition.getImports().values()) { + List impList = (List)imports; + for (Object i : impList) { + javax.wsdl.Import anImport = (javax.wsdl.Import)i; + // Read inline schemas + if (anImport.getDefinition() != null) { + readInlineSchemas(wsdlFactory, wsdlDefinition, anImport.getDefinition(), schemaCollection); + } + } + } + } + + private static void loadXSD(XmlSchemaCollection schemaCollection, XSDefinition definition) { + if (definition.getSchema() != null) { + return; + } + if (definition.getDocument() != null) { + String uri = null; + if (definition.getLocation() != null) { + uri = definition.getLocation().toString(); + } + XmlSchema schema = schemaCollection.read(definition.getDocument(), uri, null); + definition.setSchemaCollection(schemaCollection); + definition.setSchema(schema); + } + } + + /** + * Create a WSDL4J Definition object from a Java interface + */ + protected static Definition createDefinition(Map map, Class<?> javaInterface, boolean requiresSOAP12) { + + String className = javaInterface.getName(); + ClassLoader cl = javaInterface.getClassLoader(); + ByteArrayOutputStream os = new ByteArrayOutputStream(); + Java2WSDLBuilder builder = new Java2WSDLBuilder(os, className, cl); + if (map != null) { + builder.setPkg2nsMap(map); + } + + try { + builder.generateWSDL(); + } catch (Exception e) { + throw new RuntimeException(e); + } + + try { + + WSDLReader reader = javax.wsdl.factory.WSDLFactory.newInstance().newWSDLReader(); + reader.setFeature("javax.wsdl.verbose", false); + reader.setFeature("javax.wsdl.importDocuments", true); + + WSDLLocatorImpl locator = new WSDLLocatorImpl(new ByteArrayInputStream(os.toByteArray())); + Definition definition = reader.readWSDL(locator); + + processSOAPVersion(definition, requiresSOAP12); + processNoArgAndVoidReturnMethods(definition, javaInterface); + + return definition; + + } catch (WSDLException e) { + throw new RuntimeException(e); + } + } + + private static void processSOAPVersion(Definition definition, boolean requiresSOAP12) { + if (requiresSOAP12) { + removePort(definition, "SOAP11port_http"); + } else { + removePort(definition, "SOAP12port_http"); + } + } + + private static void removePort(Definition definition, String portNameSuffix) { + Service service = (Service)definition.getServices().values().iterator().next(); + Map<?, ?> ports = service.getPorts(); + for (Object o : ports.keySet()) { + if (((String)o).endsWith(portNameSuffix)) { + Port p = (Port)ports.remove(o); + definition.removeBinding(p.getBinding().getQName()); + break; + } + } + } + + private static void processNoArgAndVoidReturnMethods(Definition definition, Class javaInterface) { + String namespaceURI = definition.getTargetNamespace(); + String prefix = definition.getPrefix(namespaceURI); + String xsPrefix = definition.getPrefix("http://www.w3.org/2001/XMLSchema"); + PortType portType = (PortType)definition.getAllPortTypes().values().iterator().next(); + + Element schema = null; + Document document = null; + Types types = definition.getTypes(); + if (types != null) { + for (Object ext : types.getExtensibilityElements()) { + if (ext instanceof Schema) { + Element element = ((Schema)ext).getElement(); + if (element.getAttribute("targetNamespace").equals(namespaceURI)) { + schema = element; + document = schema.getOwnerDocument(); + break; + } + } + } + } + if (document == null) { + return; + } + + // look at each operation in the port type to see if it needs fixing up + for (Object oper : portType.getOperations()) { + javax.wsdl.Operation operation = (javax.wsdl.Operation)oper; + String opName = operation.getName(); + + // if input message has no parts, add one containing an empty wrapper + Input input = operation.getInput(); + if (input != null) { + Message inputMsg = input.getMessage(); + if (inputMsg.getParts().isEmpty()) { + // create wrapper element and add it to the schema DOM + Element wrapper = + document.createElementNS("http://www.w3.org/2001/XMLSchema", xsPrefix + ":element"); + wrapper.setAttribute("name", opName); + schema.appendChild(wrapper); + Element complexType = + document.createElementNS("http://www.w3.org/2001/XMLSchema", xsPrefix + ":complexType"); + wrapper.appendChild(complexType); + + // create new part for the wrapper and add it to the message + Part part = definition.createPart(); + part.setName("parameters"); + part.setElementName(new QName(namespaceURI, opName, prefix)); + inputMsg.addPart(part); + } + } + + // if two-way operation has no output message, add one containing an empty wrapper + if (input != null && operation.getOutput() == null) { + boolean isOneWay = false; + Method[] methods = javaInterface.getMethods(); + for (Method method : methods) { + if (method.getName().equals(opName) && method.getAnnotation(OneWay.class) != null) { + isOneWay = true; + } + } + if (!isOneWay) { + // create wrapper element and add it to the schema DOM + String msgName = opName + "Response"; + Element wrapper = + document.createElementNS("http://www.w3.org/2001/XMLSchema", xsPrefix + ":element"); + wrapper.setAttribute("name", msgName); + schema.appendChild(wrapper); + Element complexType = + document.createElementNS("http://www.w3.org/2001/XMLSchema", xsPrefix + ":complexType"); + wrapper.appendChild(complexType); + + // create new part for the wrapper + Part part = definition.createPart(); + part.setName("parameters"); + part.setElementName(new QName(namespaceURI, msgName, prefix)); + + // create new message for the part + Message outputMsg = definition.createMessage(); + outputMsg.setQName(new QName(namespaceURI, msgName, prefix)); + outputMsg.addPart(part); + outputMsg.setUndefined(false); + definition.addMessage(outputMsg); + + // create output element for the operation + Output output = definition.createOutput(); + output.setMessage(outputMsg); + output.setExtensionAttribute(new QName("http://www.w3.org/2006/05/addressing/wsdl", "Action"), + new QName("urn:" + msgName)); + operation.setOutput(output); + operation.setStyle(OperationType.REQUEST_RESPONSE); + + // add binding output element to bindings for this port type + for (Object bindObj : definition.getAllBindings().values()) { + Binding binding = (Binding)bindObj; + if (binding.getPortType().equals(portType)) { + BindingOperation op = binding.getBindingOperation(opName, null, null); + if (op != null && op.getBindingInput() != null && op.getBindingOutput() == null) { + BindingOutput bindingOut = definition.createBindingOutput(); + for (Object extObj : op.getBindingInput().getExtensibilityElements()) { + bindingOut.addExtensibilityElement((ExtensibilityElement)extObj); + } + op.setBindingOutput(bindingOut); + } + } + } + } + } + } + + } + +} + +class WSDLLocatorImpl implements WSDLLocator { + private InputStream inputStream; + private String base = "http://"; + private String latestImportURI; + + public WSDLLocatorImpl(InputStream is) { + this.inputStream = is; + } + + public void close() { + try { + inputStream.close(); + } catch (IOException e) { + // Ignore + } + } + + public InputSource getBaseInputSource() { + try { + return XMLDocumentHelper.getInputSource(new URL(base), inputStream); + } catch (IOException e) { + throw new IllegalArgumentException(e); + } + } + + public String getBaseURI() { + return base; + } + + public InputSource getImportInputSource(String parentLocation, String importLocation) { + return null; + } + + public String getLatestImportURI() { + return latestImportURI; + } + +} |