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package com.sun.xml.ws.wsdl.parser;
import com.sun.xml.ws.api.model.wsdl.*;
import com.sun.xml.ws.api.wsdl.parser.WSDLParserExtension;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamReader;
/**
* {@link WSDLParserExtension} filter that checks if
* another {@link WSDLParserExtension} is following the contract.
*
*
* This code protects the JAX-WS RI from broken extensions.
*
*
* For now it just checks if {@link XMLStreamReader} is placed
* at the expected start/end element.
*
* @author Kohsuke Kawaguchi
*/
final class FoolProofParserExtension extends DelegatingParserExtension {
public FoolProofParserExtension(WSDLParserExtension core) {
super(core);
}
private QName pre(XMLStreamReader xsr) {
return xsr.getName();
}
private boolean post(QName tagName, XMLStreamReader xsr, boolean result) {
if(!tagName.equals(xsr.getName()))
return foundFool();
if(result) {
if(xsr.getEventType()!=XMLStreamConstants.END_ELEMENT)
foundFool();
} else {
if(xsr.getEventType()!=XMLStreamConstants.START_ELEMENT)
foundFool();
}
return result;
}
private boolean foundFool() {
throw new AssertionError("XMLStreamReader is placed at the wrong place after invoking "+core);
}
public boolean serviceElements(WSDLService service, XMLStreamReader reader) {
return post(pre(reader),reader,super.serviceElements(service, reader));
}
public boolean portElements(WSDLPort port, XMLStreamReader reader) {
return post(pre(reader),reader,super.portElements(port, reader));
}
public boolean definitionsElements(XMLStreamReader reader) {
return post(pre(reader),reader,super.definitionsElements(reader));
}
public boolean bindingElements(WSDLBoundPortType binding, XMLStreamReader reader) {
return post(pre(reader),reader,super.bindingElements(binding, reader));
}
public boolean portTypeElements(WSDLPortType portType, XMLStreamReader reader) {
return post(pre(reader),reader,super.portTypeElements(portType, reader));
}
public boolean portTypeOperationElements(WSDLOperation operation, XMLStreamReader reader) {
return post(pre(reader),reader,super.portTypeOperationElements(operation, reader));
}
public boolean bindingOperationElements(WSDLBoundOperation operation, XMLStreamReader reader) {
return post(pre(reader),reader,super.bindingOperationElements(operation, reader));
}
public boolean messageElements(WSDLMessage msg, XMLStreamReader reader) {
return post(pre(reader),reader,super.messageElements(msg, reader));
}
public boolean portTypeOperationInputElements(WSDLInput input, XMLStreamReader reader) {
return post(pre(reader),reader,super.portTypeOperationInputElements(input, reader));
}
public boolean portTypeOperationOutputElements(WSDLOutput output, XMLStreamReader reader) {
return post(pre(reader),reader,super.portTypeOperationOutputElements(output, reader));
}
public boolean portTypeOperationFaultElements(WSDLFault fault, XMLStreamReader reader) {
return post(pre(reader),reader,super.portTypeOperationFaultElements(fault, reader));
}
public boolean bindingOperationInputElements(WSDLBoundOperation operation, XMLStreamReader reader) {
return super.bindingOperationInputElements(operation, reader);
}
public boolean bindingOperationOutputElements(WSDLBoundOperation operation, XMLStreamReader reader) {
return post(pre(reader),reader,super.bindingOperationOutputElements(operation, reader));
}
public boolean bindingOperationFaultElements(WSDLBoundFault fault, XMLStreamReader reader) {
return post(pre(reader),reader,super.bindingOperationFaultElements(fault, reader));
}
}