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Open source Reference Implementation of JSR-224: Java API for XML Web Services

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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://oss.oracle.com/licenses/CDDL+GPL-1.1
 * or LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * If you wish your version of this file to be governed by only the CDDL or
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 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
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 */

package com.sun.tools.ws.wsdl.parser;

import com.sun.tools.ws.util.xml.XmlUtil;
import com.sun.tools.ws.api.wsdl.TWSDLExtensible;
import com.sun.tools.ws.api.wsdl.TWSDLExtension;
import com.sun.tools.ws.api.wsdl.TWSDLParserContext;
import com.sun.tools.ws.wsdl.document.*;
import com.sun.tools.ws.wsdl.document.jaxws.CustomName;
import com.sun.tools.ws.wsdl.document.jaxws.JAXWSBinding;
import com.sun.tools.ws.wsdl.document.jaxws.JAXWSBindingsConstants;
import com.sun.tools.ws.wsdl.document.jaxws.Parameter;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import javax.xml.namespace.NamespaceContext;
import javax.xml.namespace.QName;
import javax.xml.xpath.*;
import java.util.Iterator;
import java.util.Map;


/**
 * @author Vivek Pandey
 *
 * jaxws:bindings exension handler.
 *
 */
public class JAXWSBindingExtensionHandler extends AbstractExtensionHandler {

    // xml security enabled always, xpath used for parsing "part" attribute
    private static final ContextClassloaderLocal xpf = new ContextClassloaderLocal() {
        @Override
        protected XPathFactory initialValue() throws Exception {
            return XmlUtil.newXPathFactory(false);
        }
    };

    private final XPath xpath = xpf.get().newXPath();

    public JAXWSBindingExtensionHandler(Map extensionHandlerMap) {
        super(extensionHandlerMap);
    }

    /* (non-Javadoc)
     * @see AbstractExtensionHandler#getNamespaceURI()
     */
    @Override
    public String getNamespaceURI() {
        return JAXWSBindingsConstants.NS_JAXWS_BINDINGS;
    }

    /**
     * @param context
     * @param parent
     * @param e
     */
    private boolean parseGlobalJAXWSBindings(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        context.push();
        context.registerNamespaces(e);

        JAXWSBinding jaxwsBinding =  getJAXWSExtension(parent);
        if(jaxwsBinding == null) {
            jaxwsBinding = new JAXWSBinding(context.getLocation(e));
        }
        String attr = XmlUtil.getAttributeOrNull(e, JAXWSBindingsConstants.WSDL_LOCATION_ATTR);
        if (attr != null) {
            jaxwsBinding.setWsdlLocation(attr);
        }

        attr = XmlUtil.getAttributeOrNull(e, JAXWSBindingsConstants.NODE_ATTR);
        if (attr != null) {
            jaxwsBinding.setNode(attr);
        }

        attr = XmlUtil.getAttributeOrNull(e, JAXWSBindingsConstants.VERSION_ATTR);
        if (attr != null) {
            jaxwsBinding.setVersion(attr);
        }

        for(Iterator iter = XmlUtil.getAllChildren(e); iter.hasNext();){
            Element e2 = Util.nextElement(iter);
            if (e2 == null) {
                break;
            }

            if (XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.PACKAGE)) {
                parsePackage(context, jaxwsBinding, e2);
                if ((jaxwsBinding.getJaxwsPackage() != null) && (jaxwsBinding.getJaxwsPackage().getJavaDoc() != null)) {
                    ((Definitions) parent).setDocumentation(new Documentation(jaxwsBinding.getJaxwsPackage().getJavaDoc()));
                }
            } else if (XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.ENABLE_WRAPPER_STYLE)) {
                parseWrapperStyle(context, jaxwsBinding, e2);
            } else if (XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.ENABLE_ASYNC_MAPPING)) {
                parseAsynMapping(context, jaxwsBinding, e2);
            } //            else if(XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.ENABLE_ADDITIONAL_SOAPHEADER_MAPPING)){
            //                parseAdditionalSOAPHeaderMapping(context, jaxwsBinding, e2);
            //            }
            else if (XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.ENABLE_MIME_CONTENT)) {
                parseMimeContent(context, jaxwsBinding, e2);
            } else {
                Util.fail(
                        "parsing.invalidExtensionElement",
                        e2.getTagName(),
                        e2.getNamespaceURI());
                return false;
            }
        }
        parent.addExtension(jaxwsBinding);
        context.pop();
//        context.fireDoneParsingEntity(
//                JAXWSBindingsConstants.JAXWS_BINDINGS,
//                jaxwsBinding);
        return true;
    }

    private static JAXWSBinding getJAXWSExtension(TWSDLExtensible extensible) {
        for (TWSDLExtension extension:extensible.extensions()) {
            if (extension.getClass().equals(JAXWSBinding.class)) {
                return (JAXWSBinding)extension;
            }
        }

        return null;
    }

    /**
     * @param context
     * @param parent
     * @param e
     */
    private void parseProvider(com.sun.tools.ws.api.wsdl.TWSDLParserContext context, JAXWSBinding parent, Element e) {
        String val = e.getTextContent();
        if (val == null) {
            return;
        }
        if (val.equals("false") || val.equals("0")) {
            ((JAXWSBinding)parent).setProvider(Boolean.FALSE);
        } else if(val.equals("true") || val.equals("1")) {
            ((JAXWSBinding)parent).setProvider(Boolean.TRUE);
        }

    }

    /**
     * @param context
     * @param parent
     * @param e
     */
    private void parsePackage(com.sun.tools.ws.api.wsdl.TWSDLParserContext context, JAXWSBinding parent, Element e) {
        //System.out.println("In handlePackageExtension: " + e.getNodeName());
        String packageName = XmlUtil.getAttributeOrNull(e, JAXWSBindingsConstants.NAME_ATTR);
        JAXWSBinding binding = (JAXWSBinding)parent;
        binding.setJaxwsPackage(new CustomName(packageName, getJavaDoc(e)));
    }

    /**
     * @param context
     * @param parent
     * @param e
     */
    private void parseWrapperStyle(com.sun.tools.ws.api.wsdl.TWSDLParserContext context, JAXWSBinding parent, Element e) {
        //System.out.println("In handleWrapperStyleExtension: " + e.getNodeName());
        String val = e.getTextContent();
        if (val == null) {
            return;
        }
        if (val.equals("false") || val.equals("0")) {
            ((JAXWSBinding) parent).setEnableWrapperStyle(Boolean.FALSE);
        } else if (val.equals("true") || val.equals("1")) {
            ((JAXWSBinding) parent).setEnableWrapperStyle(Boolean.TRUE);
        }
    }

    /**
     * @param context
     * @param parent
     * @param e
     */
//    private void parseAdditionalSOAPHeaderMapping(TWSDLParserContextImpl context, TWSDLExtensible parent, Element e) {
//        //System.out.println("In handleAdditionalSOAPHeaderExtension: " + e.getNodeName());
//        String val = e.getTextContent();
//        if(val == null)
//            return;
//        if(val.equals("false") || val.equals("0")){
//            ((JAXWSBinding)parent).setEnableAdditionalHeaderMapping(Boolean.FALSE);
//        }else if(val.equals("true") || val.equals("1")){
//            ((JAXWSBinding)parent).setEnableAdditionalHeaderMapping(Boolean.TRUE);
//        }
//    }

    /**
     * @param context
     * @param parent
     * @param e
     */
    private void parseAsynMapping(com.sun.tools.ws.api.wsdl.TWSDLParserContext context, JAXWSBinding parent, Element e) {
        //System.out.println("In handleAsynMappingExtension: " + e.getNodeName());
        String val = e.getTextContent();
        if (val == null) {
            return;
        }
        if (val.equals("false") || val.equals("0")) {
            ((JAXWSBinding) parent).setEnableAsyncMapping(Boolean.FALSE);
        } else if (val.equals("true") || val.equals("1")) {
            ((JAXWSBinding) parent).setEnableAsyncMapping(Boolean.TRUE);
        }
    }

    /**
     * @param context
     * @param parent
     * @param e
     */
    private void parseMimeContent(com.sun.tools.ws.api.wsdl.TWSDLParserContext context, JAXWSBinding parent, Element e) {
        //System.out.println("In handleMimeContentExtension: " + e.getNodeName());
        String val = e.getTextContent();
        if (val == null) {
            return;
        }
        if (val.equals("false") || val.equals("0")) {
            ((JAXWSBinding) parent).setEnableMimeContentMapping(Boolean.FALSE);
        } else if (val.equals("true") || val.equals("1")) {
            ((JAXWSBinding) parent).setEnableMimeContentMapping(Boolean.TRUE);
        }
    }

    /**
     * @param context
     * @param jaxwsBinding
     * @param e
     */
    private void parseMethod(com.sun.tools.ws.api.wsdl.TWSDLParserContext context, JAXWSBinding jaxwsBinding, Element e) {
        String methodName = XmlUtil.getAttributeOrNull(e, JAXWSBindingsConstants.NAME_ATTR);
        String javaDoc = getJavaDoc(e);
        CustomName name = new CustomName(methodName, javaDoc);
        jaxwsBinding.setMethodName(name);
    }

    /**
     * @param context
     * @param jaxwsBinding
     * @param e
     */
    private void parseParameter(com.sun.tools.ws.api.wsdl.TWSDLParserContext context, JAXWSBinding jaxwsBinding, Element e) {
        String part = XmlUtil.getAttributeOrNull(e, JAXWSBindingsConstants.PART_ATTR);
        Element msgPartElm = evaluateXPathNode(e.getOwnerDocument(), part, new NamespaceContextImpl(e));
        Node msgElm = msgPartElm.getParentNode();
        //MessagePart msgPart = new MessagePart();

        String partName = XmlUtil.getAttributeOrNull(msgPartElm, "name");
        String msgName = XmlUtil.getAttributeOrNull((Element)msgElm, "name");
        if ((partName == null) || (msgName == null)) {
            return;
        }

        String element = XmlUtil.getAttributeOrNull(e, JAXWSBindingsConstants.ELEMENT_ATTR);
        String name = XmlUtil.getAttributeOrNull(e, JAXWSBindingsConstants.NAME_ATTR);

        QName elementName = null;
        if(element != null){
            String uri = e.lookupNamespaceURI(XmlUtil.getPrefix(element));
            elementName = (uri == null)?null:new QName(uri, XmlUtil.getLocalPart(element));
        }

        jaxwsBinding.addParameter(new Parameter(msgName, partName, elementName, name));
    }

    private Element evaluateXPathNode(Node target, String expression, NamespaceContext namespaceContext) {
        NodeList nlst;
        try {
            xpath.setNamespaceContext(namespaceContext);
            nlst = (NodeList)xpath.evaluate(expression, target, XPathConstants.NODESET);
        } catch (XPathExpressionException e) {
            Util.fail("internalizer.XPathEvaluationError", e.getMessage());
            return null; // abort processing this 
        }

        if( nlst.getLength()==0 ) {
            Util.fail("internalizer.XPathEvaluatesToNoTarget", new Object[]{expression});
            return null; // abort
        }

        if( nlst.getLength()!=1 ) {
            Util.fail("internalizer.XPathEvaulatesToTooManyTargets", new Object[]{expression, nlst.getLength()});
            return null; // abort
        }

        Node rnode = nlst.item(0);
        if(!(rnode instanceof Element )) {
            Util.fail("internalizer.XPathEvaluatesToNonElement", new Object[]{expression});
            return null; // abort
        }
        return (Element)rnode;
    }

    /**
     * @param context
     * @param jaxwsBinding
     * @param e
     */
    private void parseClass(com.sun.tools.ws.api.wsdl.TWSDLParserContext context, JAXWSBinding jaxwsBinding, Element e) {
        String className = XmlUtil.getAttributeOrNull(e, JAXWSBindingsConstants.NAME_ATTR);
        String javaDoc = getJavaDoc(e);
        jaxwsBinding.setClassName(new CustomName(className, javaDoc));
    }


    @Override
    public boolean handleDefinitionsExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        return parseGlobalJAXWSBindings(context, parent, e);
    }

    @Override
    public boolean handlePortTypeExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        if(XmlUtil.matchesTagNS(e, JAXWSBindingsConstants.JAXWS_BINDINGS)){
            context.push();
            context.registerNamespaces(e);
            JAXWSBinding jaxwsBinding = new JAXWSBinding(context.getLocation(e));

            for(Iterator iter = XmlUtil.getAllChildren(e); iter.hasNext();){
                Element e2 = Util.nextElement(iter);
                if (e2 == null) {
                    break;
                }

                if (XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.ENABLE_WRAPPER_STYLE)) {
                    parseWrapperStyle(context, jaxwsBinding, e2);
                } else if (XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.ENABLE_ASYNC_MAPPING)) {
                    parseAsynMapping(context, jaxwsBinding, e2);
                } else if (XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.CLASS)) {
                    parseClass(context, jaxwsBinding, e2);
                    if ((jaxwsBinding.getClassName() != null) && (jaxwsBinding.getClassName().getJavaDoc() != null) && (parent instanceof PortType)) {
                        ((PortType) parent).setDocumentation(new Documentation(jaxwsBinding.getClassName().getJavaDoc()));
                    }
                } else {
                    Util.fail(
                            "parsing.invalidExtensionElement",
                            e2.getTagName(),
                            e2.getNamespaceURI());
                    return false;
                }
            }
            parent.addExtension(jaxwsBinding);
            context.pop();
//            context.fireDoneParsingEntity(
//                    JAXWSBindingsConstants.JAXWS_BINDINGS,
//                    jaxwsBinding);
            return true;
        }else {
            Util.fail(
                "parsing.invalidExtensionElement",
                e.getTagName(),
                e.getNamespaceURI());
            return false;
        }
    }

    @Override
    public boolean handleOperationExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        if(XmlUtil.matchesTagNS(e, JAXWSBindingsConstants.JAXWS_BINDINGS)){
            if(parent instanceof Operation){
                return handlePortTypeOperation(context, (Operation)parent, e);
            }else if(parent instanceof BindingOperation){
                return handleBindingOperation(context, (BindingOperation)parent, e);
            }
        }else {
            Util.fail(
                "parsing.invalidExtensionElement",
                e.getTagName(),
                e.getNamespaceURI());
            return false;
        }
        return false;
    }

    private boolean handleBindingOperation(TWSDLParserContext context, BindingOperation operation, Element e) {
        if(XmlUtil.matchesTagNS(e, JAXWSBindingsConstants.JAXWS_BINDINGS)){
            context.push();
            context.registerNamespaces(e);
            JAXWSBinding jaxwsBinding = new JAXWSBinding(context.getLocation(e));

            for(Iterator iter = XmlUtil.getAllChildren(e); iter.hasNext();){
                Element e2 = Util.nextElement(iter);
                if (e2 == null) {
                    break;
                }

//                if(XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.ENABLE_ADDITIONAL_SOAPHEADER_MAPPING)){
//                    parseAdditionalSOAPHeaderMapping(context, jaxwsBinding, e2);
//                }else
                if(XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.ENABLE_MIME_CONTENT)){
                    parseMimeContent(context, jaxwsBinding, e2);
                }else if(XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.PARAMETER)){
                    parseParameter(context, jaxwsBinding, e2);
                }else{
                    Util.fail(
                        "parsing.invalidExtensionElement",
                        e2.getTagName(),
                        e2.getNamespaceURI());
                    return false;
                }
            }
            operation.addExtension(jaxwsBinding);
            context.pop();
//            context.fireDoneParsingEntity(
//                    JAXWSBindingsConstants.JAXWS_BINDINGS,
//                    jaxwsBinding);
            return true;
        }else {
            Util.fail(
                "parsing.invalidExtensionElement",
                e.getTagName(),
                e.getNamespaceURI());
            return false;
        }
    }

    private boolean handlePortTypeOperation(TWSDLParserContext context, Operation parent, Element e) {
        context.push();
        context.registerNamespaces(e);
        JAXWSBinding jaxwsBinding = new JAXWSBinding(context.getLocation(e));

        for(Iterator iter = XmlUtil.getAllChildren(e); iter.hasNext();){
            Element e2 = Util.nextElement(iter);
            if (e2 == null) {
                break;
            }

            if(XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.ENABLE_WRAPPER_STYLE)){
                parseWrapperStyle(context, jaxwsBinding, e2);
            }else if(XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.ENABLE_ASYNC_MAPPING)){
                parseAsynMapping(context, jaxwsBinding, e2);
            }else if(XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.METHOD)){
                parseMethod(context, jaxwsBinding, e2);
                if((jaxwsBinding.getMethodName() != null) && (jaxwsBinding.getMethodName().getJavaDoc() != null)){
                    parent.setDocumentation(new Documentation(jaxwsBinding.getMethodName().getJavaDoc()));
                }
            }else if(XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.PARAMETER)){
                parseParameter(context, jaxwsBinding, e2);
            }else{
                Util.fail(
                    "parsing.invalidExtensionElement",
                    e2.getTagName(),
                    e2.getNamespaceURI());
                return false;
            }
        }
        parent.addExtension(jaxwsBinding);
        context.pop();
//        context.fireDoneParsingEntity(
//                JAXWSBindingsConstants.JAXWS_BINDINGS,
//                jaxwsBinding);
        return true;
    }

    @Override
    public boolean handleBindingExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        if(XmlUtil.matchesTagNS(e, JAXWSBindingsConstants.JAXWS_BINDINGS)){
            context.push();
            context.registerNamespaces(e);
            JAXWSBinding jaxwsBinding = new JAXWSBinding(context.getLocation(e));

            for(Iterator iter = XmlUtil.getAllChildren(e); iter.hasNext();){
                Element e2 = Util.nextElement(iter);
                if (e2 == null) {
                    break;
                }

//                if(XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.ENABLE_ADDITIONAL_SOAPHEADER_MAPPING)){
//                    parseAdditionalSOAPHeaderMapping(context, jaxwsBinding, e2);
//                }else
                if(XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.ENABLE_MIME_CONTENT)){
                    parseMimeContent(context, jaxwsBinding, e2);
                }else{
                    Util.fail(
                        "parsing.invalidExtensionElement",
                        e2.getTagName(),
                        e2.getNamespaceURI());
                    return false;
                }
            }
            parent.addExtension(jaxwsBinding);
            context.pop();
//            context.fireDoneParsingEntity(
//                    JAXWSBindingsConstants.JAXWS_BINDINGS,
//                    jaxwsBinding);
            return true;
        }else {
            Util.fail(
                "parsing.invalidExtensionElement",
                e.getTagName(),
                e.getNamespaceURI());
            return false;
        }
    }

    /* (non-Javadoc)
     * @see ExtensionHandlerBase#handleFaultExtension(TWSDLParserContextImpl, TWSDLExtensible, org.w3c.dom.Element)
     */
    @Override
    public boolean handleFaultExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        if(XmlUtil.matchesTagNS(e, JAXWSBindingsConstants.JAXWS_BINDINGS)){
            context.push();
            context.registerNamespaces(e);
            JAXWSBinding jaxwsBinding = new JAXWSBinding(context.getLocation(e));

            for(Iterator iter = XmlUtil.getAllChildren(e); iter.hasNext();){
                Element e2 = Util.nextElement(iter);
                if (e2 == null) {
                    break;
                }
                if(XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.CLASS)){
                    parseClass(context, jaxwsBinding, e2);
                    if((jaxwsBinding.getClassName() != null) && (jaxwsBinding.getClassName().getJavaDoc() != null)){
                        ((Fault)parent).setDocumentation(new Documentation(jaxwsBinding.getClassName().getJavaDoc()));
                    }
                }else{
                    Util.fail(
                        "parsing.invalidExtensionElement",
                        e2.getTagName(),
                        e2.getNamespaceURI());
                    return false;
                }
            }
            parent.addExtension(jaxwsBinding);
            context.pop();
//            context.fireDoneParsingEntity(
//                    JAXWSBindingsConstants.JAXWS_BINDINGS,
//                    jaxwsBinding);
            return true;
        }else {
            Util.fail(
                "parsing.invalidExtensionElement",
                e.getTagName(),
                e.getNamespaceURI());
            return false;
        }
    }

    @Override
    public boolean handleServiceExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        if(XmlUtil.matchesTagNS(e, JAXWSBindingsConstants.JAXWS_BINDINGS)){
            context.push();
            context.registerNamespaces(e);
            JAXWSBinding jaxwsBinding = new JAXWSBinding(context.getLocation(e));

            for(Iterator iter = XmlUtil.getAllChildren(e); iter.hasNext();){
                Element e2 = Util.nextElement(iter);
                if (e2 == null) {
                    break;
                }
                if(XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.CLASS)){
                    parseClass(context, jaxwsBinding, e2);
                    if((jaxwsBinding.getClassName() != null) && (jaxwsBinding.getClassName().getJavaDoc() != null)){
                        ((Service)parent).setDocumentation(new Documentation(jaxwsBinding.getClassName().getJavaDoc()));
                    }
                }else{
                    Util.fail(
                        "parsing.invalidExtensionElement",
                        e2.getTagName(),
                        e2.getNamespaceURI());
                    return false;
                }
            }
            parent.addExtension(jaxwsBinding);
            context.pop();
//            context.fireDoneParsingEntity(
//                    JAXWSBindingsConstants.JAXWS_BINDINGS,
//                    jaxwsBinding);
            return true;
        }else {
            Util.fail(
                "parsing.invalidExtensionElement",
                e.getTagName(),
                e.getNamespaceURI());
            return false;
        }
    }

    @Override
    public boolean handlePortExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        if(XmlUtil.matchesTagNS(e, JAXWSBindingsConstants.JAXWS_BINDINGS)){
            context.push();
            context.registerNamespaces(e);
            JAXWSBinding jaxwsBinding = new JAXWSBinding(context.getLocation(e));

            for(Iterator iter = XmlUtil.getAllChildren(e); iter.hasNext();){
                Element e2 = Util.nextElement(iter);
                if (e2 == null) {
                    break;
                }

                if(XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.PROVIDER)){
                    parseProvider(context, jaxwsBinding, e2);
                }else if(XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.METHOD)){
                    parseMethod(context, jaxwsBinding, e2);
                    if((jaxwsBinding.getMethodName() != null) && (jaxwsBinding.getMethodName().getJavaDoc() != null)){
                        ((Port)parent).setDocumentation(new Documentation(jaxwsBinding.getMethodName().getJavaDoc()));
                    }
                }else{
                    Util.fail(
                        "parsing.invalidExtensionElement",
                        e2.getTagName(),
                        e2.getNamespaceURI());
                    return false;
                }
            }
            parent.addExtension(jaxwsBinding);
            context.pop();
//            context.fireDoneParsingEntity(
//                    JAXWSBindingsConstants.JAXWS_BINDINGS,
//                    jaxwsBinding);
            return true;
        }else {
            Util.fail(
                "parsing.invalidExtensionElement",
                e.getTagName(),
                e.getNamespaceURI());
            return false;
        }
    }

    private String getJavaDoc(Element e){
        for(Iterator iter = XmlUtil.getAllChildren(e); iter.hasNext();){
            Element e2 = Util.nextElement(iter);
            if (e2 == null) {
                break;
            }
            if(XmlUtil.matchesTagNS(e2, JAXWSBindingsConstants.JAVADOC)){
                return XmlUtil.getTextForNode(e2);
            }
        }
        return null;
    }
}




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