Java tutorial
/** * 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.cxf.tools.wsdlto.frontend.jaxws.customization; import java.util.Iterator; import java.util.logging.Logger; import javax.wsdl.WSDLException; import javax.wsdl.extensions.ExtensionRegistry; import javax.xml.namespace.NamespaceContext; import javax.xml.namespace.QName; import javax.xml.xpath.XPath; import javax.xml.xpath.XPathConstants; import javax.xml.xpath.XPathExpressionException; import javax.xml.xpath.XPathFactory; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import org.apache.commons.lang.StringEscapeUtils; import org.apache.cxf.common.i18n.Message; import org.apache.cxf.common.logging.LogUtils; import org.apache.cxf.common.util.StringUtils; import org.apache.cxf.helpers.DOMUtils; import org.apache.cxf.tools.common.ToolConstants; import org.apache.cxf.tools.common.ToolException; public class JAXWSBindingParser { private static final Logger LOG = LogUtils.getL7dLogger(CustomizationParser.class); private ExtensionRegistry extReg; public JAXWSBindingParser(ExtensionRegistry ext) { extReg = ext; } public JAXWSBinding parse(Class<?> parentType, Element element, String namespace) throws WSDLException { JAXWSBinding jaxwsBinding = (JAXWSBinding) extReg.createExtension(parentType, ToolConstants.JAXWS_BINDINGS); jaxwsBinding.setElementType(ToolConstants.JAXWS_BINDINGS); jaxwsBinding.setElement(element); jaxwsBinding.setDocumentBaseURI(namespace); parseElement(jaxwsBinding, element); return jaxwsBinding; } void parseElement(JAXWSBinding jaxwsBinding, Element element) { Node child = element.getFirstChild(); if (child == null) { // global binding if (isAsyncElement(element)) { jaxwsBinding.setEnableAsyncMapping(getNodeValue(element)); } if (isMIMEElement(element)) { jaxwsBinding.setEnableMime(getNodeValue(element)); } if (isPackageElement(element)) { jaxwsBinding.setPackage(getPackageName(element)); } if (isWrapperStyle(element)) { jaxwsBinding.setEnableWrapperStyle(getNodeValue(element)); } } else { // other binding while (child != null) { if (isAsyncElement(child)) { jaxwsBinding.setEnableAsyncMapping(getNodeValue(child)); } else if (isMIMEElement(child)) { jaxwsBinding.setEnableMime(getNodeValue(child)); } else if (isWrapperStyle(child)) { jaxwsBinding.setEnableWrapperStyle(getNodeValue(child)); } else if (isPackageElement(child)) { jaxwsBinding.setPackage(getPackageName(child)); Node docChild = DOMUtils.getChild(child, Element.ELEMENT_NODE); if (docChild != null && this.isJAXWSClassDoc(docChild)) { jaxwsBinding.setPackageJavaDoc(StringEscapeUtils.escapeHtml(DOMUtils.getContent(docChild))); } } else if (isJAXWSMethodElement(child)) { jaxwsBinding.setMethodName(getMethodName(child)); Node docChild = DOMUtils.getChild(child, Element.ELEMENT_NODE); if (docChild != null && this.isJAXWSClassDoc(docChild)) { jaxwsBinding.setMethodJavaDoc(StringEscapeUtils.escapeHtml(DOMUtils.getContent(docChild))); } } else if (isJAXWSParameterElement(child)) { Element childElement = (Element) child; String partPath = "//" + childElement.getAttribute("part"); Node node = queryXPathNode(element.getOwnerDocument().getDocumentElement(), partPath); String messageName = ""; String partName = ""; if (node != null) { partName = ((Element) node).getAttribute("name"); Node messageNode = node.getParentNode(); if (messageNode != null) { Element messageEle = (Element) messageNode; messageName = messageEle.getAttribute("name"); } } String name = childElement.getAttribute("name"); String elementNameString = childElement.getAttribute("childElementName"); QName elementName = null; if (!StringUtils.isEmpty(elementNameString)) { String ns = ""; if (elementNameString.indexOf(':') != -1) { ns = elementNameString.substring(0, elementNameString.indexOf(':')); ns = childElement.lookupNamespaceURI(ns); elementNameString = elementNameString.substring(elementNameString.indexOf(':') + 1); } elementName = new QName(ns, elementNameString); } JAXWSParameter jpara = new JAXWSParameter(messageName, partName, elementName, name); jaxwsBinding.addJaxwsPara(jpara); } else if (isJAXWSClass(child)) { Element childElement = (Element) child; String clzName = childElement.getAttribute("name"); String javadoc = ""; Node docChild = DOMUtils.getChild(child, Element.ELEMENT_NODE); if (docChild != null && this.isJAXWSClassDoc(docChild)) { javadoc = StringEscapeUtils.escapeHtml(DOMUtils.getContent(docChild)); } JAXWSClass jaxwsClass = new JAXWSClass(clzName, javadoc); jaxwsBinding.setJaxwsClass(jaxwsClass); } child = child.getNextSibling(); } } } private boolean isJAXWSMethodElement(Node node) { return ToolConstants.NS_JAXWS_BINDINGS.equals(node.getNamespaceURI()) && "method".equals(node.getLocalName()); } private String getMethodName(Node node) { Element ele = (Element) node; return ele.getAttribute("name"); } private boolean isPackageElement(Node node) { return ToolConstants.NS_JAXWS_BINDINGS.equals(node.getNamespaceURI()) && "package".equals(node.getLocalName()); } private boolean isJAXWSParameterElement(Node node) { return (ToolConstants.NS_JAXWS_BINDINGS.equals(node.getNamespaceURI())) && "parameter".equals(node.getLocalName()); } private boolean isJAXWSClass(Node node) { return (ToolConstants.NS_JAXWS_BINDINGS.equals(node.getNamespaceURI())) && "class".equals(node.getLocalName()); } private boolean isJAXWSClassDoc(Node node) { return (ToolConstants.NS_JAXWS_BINDINGS.equals(node.getNamespaceURI())) && "javadoc".equals(node.getLocalName()); } private String getPackageName(Node node) { Element ele = (Element) node; return ele.getAttribute("name"); } private Boolean isAsyncElement(Node node) { return "enableAsyncMapping".equals(node.getLocalName()) && ToolConstants.NS_JAXWS_BINDINGS.equals(node.getNamespaceURI()); } private Boolean isWrapperStyle(Node node) { return "enableWrapperStyle".equals(node.getLocalName()) && ToolConstants.NS_JAXWS_BINDINGS.equals(node.getNamespaceURI()); } private Boolean getNodeValue(Node node) { return Boolean.valueOf(node.getTextContent()); } private Boolean isMIMEElement(Node node) { return "enableMIMEContent".equals(node.getLocalName()) && ToolConstants.NS_JAXWS_BINDINGS.equals(node.getNamespaceURI()); } private Node queryXPathNode(Node target, String expression) { NodeList nlst; try { ContextImpl contextImpl = new ContextImpl(target); XPath xpath = XPathFactory.newInstance().newXPath(); xpath.setNamespaceContext(contextImpl); nlst = (NodeList) xpath.evaluate(expression, target, XPathConstants.NODESET); } catch (XPathExpressionException e) { Message msg = new Message("XPATH_ERROR", LOG, new Object[] { expression }); throw new ToolException(msg, e); } if (nlst.getLength() != 1) { Message msg = new Message("ERROR_TARGETNODE_WITH_XPATH", LOG, new Object[] { expression }); throw new ToolException(msg); } Node rnode = nlst.item(0); if (!(rnode instanceof Element)) { return null; } return rnode; } static class ContextImpl implements NamespaceContext { private Node targetNode; ContextImpl(Node node) { targetNode = node; } public String getNamespaceURI(String prefix) { return targetNode.getOwnerDocument().lookupNamespaceURI(prefix); } public String getPrefix(String nsURI) { throw new UnsupportedOperationException(); } public Iterator<?> getPrefixes(String namespaceURI) { throw new UnsupportedOperationException(); } } }