aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.ws.wsdl.parser;
aoqi@0: 
aoqi@0: 
aoqi@0: import com.sun.xml.internal.ws.api.model.wsdl.editable.*;
aoqi@0: import com.sun.xml.internal.ws.api.wsdl.parser.WSDLParserExtension;
aoqi@0: 
aoqi@0: import javax.xml.namespace.QName;
aoqi@0: import javax.xml.stream.XMLStreamConstants;
aoqi@0: import javax.xml.stream.XMLStreamReader;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * {@link WSDLParserExtension} filter that checks if
aoqi@0:  * another {@link WSDLParserExtension} is following the contract.
aoqi@0:  *
aoqi@0:  * <p>
aoqi@0:  * This code protects the JAX-WS RI from broken extensions.
aoqi@0:  *
aoqi@0:  * <p>
aoqi@0:  * For now it just checks if {@link XMLStreamReader} is placed
aoqi@0:  * at the expected start/end element.
aoqi@0:  *
aoqi@0:  * @author Kohsuke Kawaguchi
aoqi@0:  */
aoqi@0: final class FoolProofParserExtension extends DelegatingParserExtension {
aoqi@0: 
aoqi@0:     public FoolProofParserExtension(WSDLParserExtension core) {
aoqi@0:         super(core);
aoqi@0:     }
aoqi@0: 
aoqi@0:     private QName pre(XMLStreamReader xsr) {
aoqi@0:         return xsr.getName();
aoqi@0:     }
aoqi@0: 
aoqi@0:     private boolean post(QName tagName, XMLStreamReader xsr, boolean result) {
aoqi@0:         if(!tagName.equals(xsr.getName()))
aoqi@0:             return foundFool();
aoqi@0:         if(result) {
aoqi@0:             if(xsr.getEventType()!=XMLStreamConstants.END_ELEMENT)
aoqi@0:                 foundFool();
aoqi@0:         } else {
aoqi@0:             if(xsr.getEventType()!=XMLStreamConstants.START_ELEMENT)
aoqi@0:                 foundFool();
aoqi@0:         }
aoqi@0:         return result;
aoqi@0:     }
aoqi@0: 
aoqi@0:     private boolean foundFool() {
aoqi@0:         throw new AssertionError("XMLStreamReader is placed at the wrong place after invoking "+core);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean serviceElements(EditableWSDLService service, XMLStreamReader reader) {
aoqi@0:         return post(pre(reader),reader,super.serviceElements(service, reader));
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean portElements(EditableWSDLPort port, XMLStreamReader reader) {
aoqi@0:         return post(pre(reader),reader,super.portElements(port, reader));
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean definitionsElements(XMLStreamReader reader) {
aoqi@0:         return post(pre(reader),reader,super.definitionsElements(reader));
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean bindingElements(EditableWSDLBoundPortType binding, XMLStreamReader reader) {
aoqi@0:         return post(pre(reader),reader,super.bindingElements(binding, reader));
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean portTypeElements(EditableWSDLPortType portType, XMLStreamReader reader) {
aoqi@0:         return post(pre(reader),reader,super.portTypeElements(portType, reader));
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean portTypeOperationElements(EditableWSDLOperation operation, XMLStreamReader reader) {
aoqi@0:         return post(pre(reader),reader,super.portTypeOperationElements(operation, reader));
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean bindingOperationElements(EditableWSDLBoundOperation operation, XMLStreamReader reader) {
aoqi@0:         return post(pre(reader),reader,super.bindingOperationElements(operation, reader));
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean messageElements(EditableWSDLMessage msg, XMLStreamReader reader) {
aoqi@0:         return post(pre(reader),reader,super.messageElements(msg, reader));
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean portTypeOperationInputElements(EditableWSDLInput input, XMLStreamReader reader) {
aoqi@0:         return post(pre(reader),reader,super.portTypeOperationInputElements(input, reader));
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean portTypeOperationOutputElements(EditableWSDLOutput output, XMLStreamReader reader) {
aoqi@0:         return post(pre(reader),reader,super.portTypeOperationOutputElements(output, reader));
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean portTypeOperationFaultElements(EditableWSDLFault fault, XMLStreamReader reader) {
aoqi@0:         return post(pre(reader),reader,super.portTypeOperationFaultElements(fault, reader));
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean bindingOperationInputElements(EditableWSDLBoundOperation operation, XMLStreamReader reader) {
aoqi@0:         return super.bindingOperationInputElements(operation, reader);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean bindingOperationOutputElements(EditableWSDLBoundOperation operation, XMLStreamReader reader) {
aoqi@0:         return post(pre(reader),reader,super.bindingOperationOutputElements(operation, reader));
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean bindingOperationFaultElements(EditableWSDLBoundFault fault, XMLStreamReader reader) {
aoqi@0:         return post(pre(reader),reader,super.bindingOperationFaultElements(fault, reader));
aoqi@0:     }
aoqi@0: }