jaxws/src/share/classes/com/sun/tools/internal/ws/api/wsdl/TWSDLExtensionHandler.java

/*
 * Copyright 2005-2006 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

package com.sun.tools.internal.ws.api.wsdl;

import com.sun.tools.internal.ws.wsdl.document.WSDLConstants;
import org.w3c.dom.Element;

/**
 * JAXWS WSDL parser {@link com.sun.tools.internal.ws.wsdl.parser.WSDLParser} will call an {@link TWSDLExtensionHandler} registered
 * with it for the WSDL extensibility elements thats not already defined in the WSDL 1.1 spec, such as SOAP or MIME.
 *
 * @author Vivek Pandey
 */
public abstract class TWSDLExtensionHandler {
    /**
     * Gives the namespace of an extensibility element.
     * <p/>
     * For example a soap 1.1 XXExtensionHandler would return <code>""http://schemas.xmlsoap.org/wsdl/soap/"</code>
     */
    public String getNamespaceURI() {
        return null;
    }

    /**
     * This interface is called during WSDL parsing on detecting any wsdl extension.
     *
     * @param context Parser context that will be passed on by the wsdl parser
     * @param parent  The Parent element within which the extensibility element is defined
     * @param e       The extensibility elemenet
     * @return false if there was some error during the extension handling otherwise returns true. If returned false
     *         then the WSDL parser can abort if the wsdl extensibility element had <code>required</code> attribute set to true
     */
    public boolean doHandleExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        if (parent.getWSDLElementName().equals(WSDLConstants.QNAME_DEFINITIONS)) {
            return handleDefinitionsExtension(context, parent, e);
        } else if (parent.getWSDLElementName().equals(WSDLConstants.QNAME_TYPES)) {
            return handleTypesExtension(context, parent, e);
        } else if (parent.getWSDLElementName().equals(WSDLConstants.QNAME_PORT_TYPE)) {
            return handlePortTypeExtension(context, parent, e);
        } else if (
            parent.getWSDLElementName().equals(WSDLConstants.QNAME_BINDING)) {
            return handleBindingExtension(context, parent, e);
        } else if (
            parent.getWSDLElementName().equals(WSDLConstants.QNAME_OPERATION)) {
            return handleOperationExtension(context, parent, e);
        } else if (parent.getWSDLElementName().equals(WSDLConstants.QNAME_INPUT)) {
            return handleInputExtension(context, parent, e);
        } else if (
            parent.getWSDLElementName().equals(WSDLConstants.QNAME_OUTPUT)) {
            return handleOutputExtension(context, parent, e);
        } else if (parent.getWSDLElementName().equals(WSDLConstants.QNAME_FAULT)) {
            return handleFaultExtension(context, parent, e);
        } else if (
            parent.getWSDLElementName().equals(WSDLConstants.QNAME_SERVICE)) {
            return handleServiceExtension(context, parent, e);
        } else if (parent.getWSDLElementName().equals(WSDLConstants.QNAME_PORT)) {
            return handlePortExtension(context, parent, e);
        } else {
            return false;
        }
    }

    /**
     * Callback for <code>wsdl:portType</code>
     *
     * @param context Parser context that will be passed on by the wsdl parser
     * @param parent  The Parent element within which the extensibility element is defined
     * @param e       The extensibility elemenet
     * @return false if there was some error during the extension handling otherwise returns true. If returned false
     *         then the WSDL parser can abort if the wsdl extensibility element had <code>required</code> attribute set to true
     */
    public boolean handlePortTypeExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        return false;
    }

    /**
     * Callback for <code>wsdl:definitions</code>
     *
     * @param context Parser context that will be passed on by the wsdl parser
     * @param parent  The Parent element within which the extensibility element is defined
     * @param e       The extensibility elemenet
     * @return false if there was some error during the extension handling otherwise returns true. If returned false
     *         then the WSDL parser can abort if the wsdl extensibility element had <code>required</code> attribute set to true
     */
    public boolean handleDefinitionsExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        return false;
    }

    /**
     * Callback for <code>wsdl:type</code>
     *
     * @param context Parser context that will be passed on by the wsdl parser
     * @param parent  The Parent element within which the extensibility element is defined
     * @param e       The extensibility elemenet
     * @return false if there was some error during the extension handling otherwise returns true. If returned false
     *         then the WSDL parser can abort if the wsdl extensibility element had <code>required</code> attribute set to true
     */
    public boolean handleTypesExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        return false;
    }

    /**
     * Callback for <code>wsdl:binding</code>
     *
     * @param context Parser context that will be passed on by the wsdl parser
     * @param parent  The Parent element within which the extensibility element is defined
     * @param e       The extensibility elemenet
     * @return false if there was some error during the extension handling otherwise returns true. If returned false
     *         then the WSDL parser can abort if the wsdl extensibility element had <code>required</code> attribute set to true
     */
    public boolean handleBindingExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        return false;
    }

    /**
     * Callback for <code>wsdl:portType/wsdl:operation</code>.
     *
     * @param context Parser context that will be passed on by the wsdl parser
     * @param parent  The Parent element within which the extensibility element is defined
     * @param e       The extensibility elemenet
     * @return false if there was some error during the extension handling otherwise returns true. If returned false
     *         then the WSDL parser can abort if the wsdl extensibility element had <code>required</code> attribute set to true
     */
    public boolean handleOperationExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        return false;
    }

    /**
     * Callback for <code>wsdl:input</code>
     *
     * @param context Parser context that will be passed on by the wsdl parser
     * @param parent  The Parent element within which the extensibility element is defined
     * @param e       The extensibility elemenet
     * @return false if there was some error during the extension handling otherwise returns true. If returned false
     *         then the WSDL parser can abort if the wsdl extensibility element had <code>required</code> attribute set to true
     */
    public boolean handleInputExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        return false;
    }

    /**
     * Callback for <code>wsdl:output</code>
     *
     * @param context Parser context that will be passed on by the wsdl parser
     * @param parent  The Parent element within which the extensibility element is defined
     * @param e       The extensibility elemenet
     * @return false if there was some error during the extension handling otherwise returns true. If returned false
     *         then the WSDL parser can abort if the wsdl extensibility element had <code>required</code> attribute set to true
     */
    public boolean handleOutputExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        return false;
    }

    /**
     * Callback for <code>wsdl:fault</code>
     *
     * @param context Parser context that will be passed on by the wsdl parser
     * @param parent  The Parent element within which the extensibility element is defined
     * @param e       The extensibility elemenet
     * @return false if there was some error during the extension handling otherwise returns true. If returned false
     *         then the WSDL parser can abort if the wsdl extensibility element had <code>required</code> attribute set to true
     */
    public boolean handleFaultExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        return false;
    }

    /**
     * Callback for <code>wsdl:service</code>
     *
     * @param context Parser context that will be passed on by the wsdl parser
     * @param parent  The Parent element within which the extensibility element is defined
     * @param e       The extensibility elemenet
     * @return false if there was some error during the extension handling otherwise returns true. If returned false
     *         then the WSDL parser can abort if the wsdl extensibility element had <code>required</code> attribute set to true
     */
    public boolean handleServiceExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        return false;
    }

    /**
     * Callback for <code>wsdl:port</code>
     *
     * @param context Parser context that will be passed on by the wsdl parser
     * @param parent  The Parent element within which the extensibility element is defined
     * @param e       The extensibility elemenet
     * @return false if there was some error during the extension handling otherwise returns true. If returned false
     *         then the WSDL parser can abort if the wsdl extensibility element had <code>required</code> attribute set to true
     */
    public boolean handlePortExtension(TWSDLParserContext context, TWSDLExtensible parent, Element e) {
        return false;
    }
}