/*
* Copyright (c) 1997, 2014, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package com.sun.tools.internal.ws.processor.modeler.annotation;
import com.sun.tools.internal.ws.processor.model.Port;
import com.sun.tools.internal.ws.resources.WebserviceapMessages;
import com.sun.tools.internal.ws.util.ClassNameInfo;
import com.sun.tools.internal.ws.wsdl.document.soap.SOAPStyle;
import com.sun.xml.internal.ws.model.RuntimeModeler;
import javax.jws.Oneway;
import javax.jws.WebMethod;
import javax.jws.WebParam;
import javax.jws.WebResult;
import javax.jws.WebService;
import javax.jws.soap.SOAPBinding;
import javax.jws.soap.SOAPBinding.ParameterStyle;
import javax.lang.model.element.Element;
import javax.lang.model.element.ElementKind;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.Modifier;
import javax.lang.model.element.Name;
import javax.lang.model.element.PackageElement;
import javax.lang.model.element.TypeElement;
import javax.lang.model.element.VariableElement;
import javax.lang.model.type.DeclaredType;
import javax.lang.model.type.NoType;
import javax.lang.model.type.TypeKind;
import javax.lang.model.type.TypeMirror;
import javax.lang.model.util.ElementFilter;
import javax.lang.model.util.SimpleElementVisitor6;
import javax.lang.model.util.SimpleTypeVisitor6;
import javax.lang.model.util.Types;
import java.lang.annotation.Annotation;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.Stack;
/**
* @author WS Development Team
*/
public abstract class WebServiceVisitor extends SimpleElementVisitor6<Void, Object> {
protected ModelBuilder builder;
protected String wsdlNamespace;
protected String typeNamespace;
protected Stack<SOAPBinding> soapBindingStack;
protected SOAPBinding typeElementSoapBinding;
protected SOAPStyle soapStyle = SOAPStyle.DOCUMENT;
protected boolean wrapped = true;
protected Port port;
protected Name serviceImplName;
protected Name endpointInterfaceName;
protected AnnotationProcessorContext context;
protected AnnotationProcessorContext.SeiContext seiContext;
protected boolean processingSei = false;
protected String serviceName;
protected Name packageName;
protected String portName;
protected boolean endpointReferencesInterface = false;
protected boolean hasWebMethods = false;
protected TypeElement typeElement;
protected Set<String> processedMethods;
protected boolean pushedSoapBinding = false;
private static final NoTypeVisitor NO_TYPE_VISITOR = new NoTypeVisitor();
public WebServiceVisitor(ModelBuilder builder, AnnotationProcessorContext context) {
this.builder = builder;
this.context = context;
soapBindingStack = new Stack<SOAPBinding>();
processedMethods = new HashSet<String>();
}
@Override
public Void visitType(TypeElement e, Object o) {
WebService webService = e.getAnnotation(WebService.class);
if (!shouldProcessWebService(webService, e))
return null;
if (builder.checkAndSetProcessed(e))
return null;
typeElement = e;
switch (e.getKind()) {
case INTERFACE: {
if (endpointInterfaceName != null && !endpointInterfaceName.equals(e.getQualifiedName())) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_ENDPOINTINTERFACES_DO_NOT_MATCH(endpointInterfaceName, e.getQualifiedName()), e);
}
verifySeiAnnotations(webService, e);
endpointInterfaceName = e.getQualifiedName();
processingSei = true;
preProcessWebService(webService, e);
processWebService(webService, e);
postProcessWebService(webService, e);
break;
}
case CLASS: {
typeElementSoapBinding = e.getAnnotation(SOAPBinding.class);
if (serviceImplName == null)
serviceImplName = e.getQualifiedName();
String endpointInterfaceName = webService != null ? webService.endpointInterface() : null;
if (endpointInterfaceName != null && endpointInterfaceName.length() > 0) {
checkForInvalidImplAnnotation(e, SOAPBinding.class);
if (webService.name().length() > 0)
builder.processError(WebserviceapMessages.WEBSERVICEAP_ENDPOINTINTEFACE_PLUS_ELEMENT("name"), e);
endpointReferencesInterface = true;
verifyImplAnnotations(e);
inspectEndpointInterface(endpointInterfaceName, e);
serviceImplName = null;
return null;
}
processingSei = false;
preProcessWebService(webService, e);
processWebService(webService, e);
serviceImplName = null;
postProcessWebService(webService, e);
serviceImplName = null;
break;
}
default:
break;
}
return null;
}
protected void verifySeiAnnotations(WebService webService, TypeElement d) {
if (webService.endpointInterface().length() > 0) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_ENDPOINTINTERFACE_ON_INTERFACE(
d.getQualifiedName(), webService.endpointInterface()), d);
}
if (webService.serviceName().length() > 0) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_INVALID_SEI_ANNOTATION_ELEMENT(
"serviceName", d.getQualifiedName()), d);
}
if (webService.portName().length() > 0) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_INVALID_SEI_ANNOTATION_ELEMENT(
"portName", d.getQualifiedName()), d);
}
}
protected void verifyImplAnnotations(TypeElement d) {
for (ExecutableElement method : ElementFilter.methodsIn(d.getEnclosedElements())) {
checkForInvalidImplAnnotation(method, WebMethod.class);
checkForInvalidImplAnnotation(method, Oneway.class);
checkForInvalidImplAnnotation(method, WebResult.class);
for (VariableElement param : method.getParameters()) {
checkForInvalidImplAnnotation(param, WebParam.class);
}
}
}
protected void checkForInvalidSeiAnnotation(TypeElement element, Class annotationClass) {
Object annotation = element.getAnnotation(annotationClass);
if (annotation != null) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_INVALID_SEI_ANNOTATION(
annotationClass.getName(), element.getQualifiedName()), element);
}
}
protected void checkForInvalidImplAnnotation(Element element, Class annotationClass) {
Object annotation = element.getAnnotation(annotationClass);
if (annotation != null) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_ENDPOINTINTEFACE_PLUS_ANNOTATION(annotationClass.getName()), element);
}
}
protected void preProcessWebService(WebService webService, TypeElement element) {
processedMethods = new HashSet<String>();
seiContext = context.getSeiContext(element);
String targetNamespace = null;
if (webService != null)
targetNamespace = webService.targetNamespace();
PackageElement packageElement = builder.getProcessingEnvironment().getElementUtils().getPackageOf(element);
if (targetNamespace == null || targetNamespace.length() == 0) {
String packageName = packageElement.getQualifiedName().toString();
if (packageName == null || packageName.length() == 0) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_NO_PACKAGE_CLASS_MUST_HAVE_TARGETNAMESPACE(
element.getQualifiedName()), element);
}
targetNamespace = RuntimeModeler.getNamespace(packageName);
}
seiContext.setNamespaceUri(targetNamespace);
if (serviceImplName == null)
serviceImplName = seiContext.getSeiImplName();
if (serviceImplName != null) {
seiContext.setSeiImplName(serviceImplName);
context.addSeiContext(serviceImplName, seiContext);
}
portName = ClassNameInfo.getName(element.getSimpleName().toString().replace('$', '_'));
packageName = packageElement.getQualifiedName();
portName = webService != null && webService.name() != null && webService.name().length() > 0 ?
webService.name() : portName;
serviceName = ClassNameInfo.getName(element.getQualifiedName().toString()) + WebServiceConstants.SERVICE.getValue();
serviceName = webService != null && webService.serviceName() != null && webService.serviceName().length() > 0 ?
webService.serviceName() : serviceName;
wsdlNamespace = seiContext.getNamespaceUri();
typeNamespace = wsdlNamespace;
SOAPBinding soapBinding = element.getAnnotation(SOAPBinding.class);
if (soapBinding != null) {
pushedSoapBinding = pushSoapBinding(soapBinding, element, element);
} else if (element.equals(typeElement)) {
pushedSoapBinding = pushSoapBinding(new MySoapBinding(), element, element);
}
}
public static boolean sameStyle(SOAPBinding.Style style, SOAPStyle soapStyle) {
return style.equals(SOAPBinding.Style.DOCUMENT)
&& soapStyle.equals(SOAPStyle.DOCUMENT)
|| style.equals(SOAPBinding.Style.RPC)
&& soapStyle.equals(SOAPStyle.RPC);
}
protected boolean pushSoapBinding(SOAPBinding soapBinding, Element bindingElement, TypeElement classElement) {
boolean changed = false;
if (!sameStyle(soapBinding.style(), soapStyle)) {
changed = true;
if (pushedSoapBinding)
builder.processError(WebserviceapMessages.WEBSERVICEAP_MIXED_BINDING_STYLE(
classElement.getQualifiedName()), bindingElement);
}
if (soapBinding.style().equals(SOAPBinding.Style.RPC)) {
soapStyle = SOAPStyle.RPC;
wrapped = true;
if (soapBinding.parameterStyle().equals(ParameterStyle.BARE)) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_RPC_LITERAL_MUST_NOT_BE_BARE(
classElement.getQualifiedName()), bindingElement);
}
} else {
soapStyle = SOAPStyle.DOCUMENT;
if (wrapped != soapBinding.parameterStyle().equals(ParameterStyle.WRAPPED)) {
wrapped = soapBinding.parameterStyle().equals(ParameterStyle.WRAPPED);
changed = true;
}
}
if (soapBinding.use().equals(SOAPBinding.Use.ENCODED)) {
String style = "rpc";
if (soapBinding.style().equals(SOAPBinding.Style.DOCUMENT))
style = "document";
builder.processError(WebserviceapMessages.WEBSERVICE_ENCODED_NOT_SUPPORTED(
classElement.getQualifiedName(), style), bindingElement);
}
if (changed || soapBindingStack.empty()) {
soapBindingStack.push(soapBinding);
pushedSoapBinding = true;
}
return changed;
}
protected SOAPBinding popSoapBinding() {
if (pushedSoapBinding)
soapBindingStack.pop();
SOAPBinding soapBinding = null;
if (!soapBindingStack.empty()) {
soapBinding = soapBindingStack.peek();
if (soapBinding.style().equals(SOAPBinding.Style.RPC)) {
soapStyle = SOAPStyle.RPC;
wrapped = true;
} else {
soapStyle = SOAPStyle.DOCUMENT;
wrapped = soapBinding.parameterStyle().equals(ParameterStyle.WRAPPED);
}
} else {
pushedSoapBinding = false;
}
return soapBinding;
}
protected String getNamespace(PackageElement packageElement) {
return RuntimeModeler.getNamespace(packageElement.getQualifiedName().toString());
}
protected boolean shouldProcessWebService(WebService webService, TypeElement element) {
switch (element.getKind()) {
case INTERFACE: {
hasWebMethods = false;
if (webService == null)
builder.processError(WebserviceapMessages.WEBSERVICEAP_ENDPOINTINTERFACE_HAS_NO_WEBSERVICE_ANNOTATION(
element.getQualifiedName()), element);
SOAPBinding soapBinding = element.getAnnotation(SOAPBinding.class);
if (soapBinding != null
&& soapBinding.style() == SOAPBinding.Style.RPC
&& soapBinding.parameterStyle() == SOAPBinding.ParameterStyle.BARE) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_INVALID_SOAPBINDING_PARAMETERSTYLE(
soapBinding, element), element);
return false;
}
return isLegalSei(element);
}
case CLASS: {
if (webService == null)
return false;
hasWebMethods = hasWebMethods(element);
SOAPBinding soapBinding = element.getAnnotation(SOAPBinding.class);
if (soapBinding != null
&& soapBinding.style() == SOAPBinding.Style.RPC
&& soapBinding.parameterStyle() == SOAPBinding.ParameterStyle.BARE) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_INVALID_SOAPBINDING_PARAMETERSTYLE(
soapBinding, element), element);
return false;
}
return isLegalImplementation(webService, element);
}
default: {
throw new IllegalArgumentException("Class or Interface was expecting. But element: " + element);
}
}
}
abstract protected void processWebService(WebService webService, TypeElement element);
protected void postProcessWebService(WebService webService, TypeElement element) {
processMethods(element);
popSoapBinding();
}
protected boolean hasWebMethods(TypeElement element) {
if (element.getQualifiedName().toString().equals(Object.class.getName()))
return false;
WebMethod webMethod;
for (ExecutableElement method : ElementFilter.methodsIn(element.getEnclosedElements())) {
webMethod = method.getAnnotation(WebMethod.class);
if (webMethod != null) {
if (webMethod.exclude()) {
if (webMethod.operationName().length() > 0)
builder.processError(WebserviceapMessages.WEBSERVICEAP_INVALID_WEBMETHOD_ELEMENT_WITH_EXCLUDE(
"operationName", element.getQualifiedName(), method.toString()), method);
if (webMethod.action().length() > 0)
builder.processError(WebserviceapMessages.WEBSERVICEAP_INVALID_WEBMETHOD_ELEMENT_WITH_EXCLUDE(
"action", element.getQualifiedName(), method.toString()), method);
} else {
return true;
}
}
}
return false;//hasWebMethods(d.getSuperclass().getDeclaration());
}
protected void processMethods(TypeElement element) {
switch (element.getKind()) {
case INTERFACE: {
builder.log("ProcessedMethods Interface: " + element);
hasWebMethods = false;
for (ExecutableElement method : ElementFilter.methodsIn(element.getEnclosedElements())) {
method.accept(this, null);
}
for (TypeMirror superType : element.getInterfaces())
processMethods((TypeElement) ((DeclaredType) superType).asElement());
break;
}
case CLASS: {
builder.log("ProcessedMethods Class: " + element);
hasWebMethods = hasWebMethods(element);
if (element.getQualifiedName().toString().equals(Object.class.getName()))
return;
if (element.getAnnotation(WebService.class) != null) {
// Super classes must have @WebService annotations to pick up their methods
for (ExecutableElement method : ElementFilter.methodsIn(element.getEnclosedElements())) {
method.accept(this, null);
}
}
TypeMirror superclass = element.getSuperclass();
if (!superclass.getKind().equals(TypeKind.NONE)) {
processMethods((TypeElement) ((DeclaredType) superclass).asElement());
}
break;
}
default:
break;
}
}
private TypeElement getEndpointInterfaceElement(String endpointInterfaceName, TypeElement element) {
TypeElement intTypeElement = null;
for (TypeMirror interfaceType : element.getInterfaces()) {
if (endpointInterfaceName.equals(interfaceType.toString())) {
intTypeElement = (TypeElement) ((DeclaredType) interfaceType).asElement();
seiContext = context.getSeiContext(intTypeElement.getQualifiedName());
assert (seiContext != null);
seiContext.setImplementsSei(true);
break;
}
}
if (intTypeElement == null) {
intTypeElement = builder.getProcessingEnvironment().getElementUtils().getTypeElement(endpointInterfaceName);
}
if (intTypeElement == null)
builder.processError(WebserviceapMessages.WEBSERVICEAP_ENDPOINTINTERFACE_CLASS_NOT_FOUND(endpointInterfaceName));
return intTypeElement;
}
private void inspectEndpointInterface(String endpointInterfaceName, TypeElement d) {
TypeElement intTypeElement = getEndpointInterfaceElement(endpointInterfaceName, d);
if (intTypeElement != null)
intTypeElement.accept(this, null);
}
@Override
public Void visitExecutable(ExecutableElement method, Object o) {
// Methods must be public
if (!method.getModifiers().contains(Modifier.PUBLIC))
return null;
if (processedMethod(method))
return null;
WebMethod webMethod = method.getAnnotation(WebMethod.class);
if (webMethod != null && webMethod.exclude())
return null;
SOAPBinding soapBinding = method.getAnnotation(SOAPBinding.class);
if (soapBinding == null && !method.getEnclosingElement().equals(typeElement)) {
if (method.getEnclosingElement().getKind().equals(ElementKind.CLASS)) {
soapBinding = method.getEnclosingElement().getAnnotation(SOAPBinding.class);
if (soapBinding != null)
builder.log("using " + method.getEnclosingElement() + "'s SOAPBinding.");
else {
soapBinding = new MySoapBinding();
}
}
}
boolean newBinding = false;
if (soapBinding != null) {
newBinding = pushSoapBinding(soapBinding, method, typeElement);
}
try {
if (shouldProcessMethod(method, webMethod)) {
processMethod(method, webMethod);
}
} finally {
if (newBinding) {
popSoapBinding();
}
}
return null;
}
protected boolean processedMethod(ExecutableElement method) {
String id = method.toString();
if (processedMethods.contains(id))
return true;
processedMethods.add(id);
return false;
}
protected boolean shouldProcessMethod(ExecutableElement method, WebMethod webMethod) {
builder.log("should process method: " + method.getSimpleName() + " hasWebMethods: " + hasWebMethods + " ");
/*
Fix for https://jax-ws.dev.java.net/issues/show_bug.cgi?id=577
if (hasWebMethods && webMethod == null) {
builder.log("webMethod == null");
return false;
}
*/
Collection<Modifier> modifiers = method.getModifiers();
boolean staticFinal = modifiers.contains(Modifier.STATIC) || modifiers.contains(Modifier.FINAL);
if (staticFinal) {
if (webMethod != null) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_WEBSERVICE_METHOD_IS_STATIC_OR_FINAL(method.getEnclosingElement(),
method), method);
}
return false;
}
boolean result = (endpointReferencesInterface ||
method.getEnclosingElement().equals(typeElement) ||
(method.getEnclosingElement().getAnnotation(WebService.class) != null));
builder.log("endpointReferencesInterface: " + endpointReferencesInterface);
builder.log("declaring class has WebService: " + (method.getEnclosingElement().getAnnotation(WebService.class) != null));
builder.log("returning: " + result);
return result;
}
abstract protected void processMethod(ExecutableElement method, WebMethod webMethod);
protected boolean isLegalImplementation(WebService webService, TypeElement classElement) {
boolean isStateful = isStateful(classElement);
Collection<Modifier> modifiers = classElement.getModifiers();
if (!modifiers.contains(Modifier.PUBLIC)) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_WEBSERVICE_CLASS_NOT_PUBLIC(classElement.getQualifiedName()), classElement);
return false;
}
if (modifiers.contains(Modifier.FINAL) && !isStateful) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_WEBSERVICE_CLASS_IS_FINAL(classElement.getQualifiedName()), classElement);
return false;
}
if (modifiers.contains(Modifier.ABSTRACT) && !isStateful) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_WEBSERVICE_CLASS_IS_ABSTRACT(classElement.getQualifiedName()), classElement);
return false;
}
boolean hasDefaultConstructor = false;
for (ExecutableElement constructor : ElementFilter.constructorsIn(classElement.getEnclosedElements())) {
if (constructor.getModifiers().contains(Modifier.PUBLIC) &&
constructor.getParameters().isEmpty()) {
hasDefaultConstructor = true;
break;
}
}
if (!hasDefaultConstructor && !isStateful) {
if (classElement.getEnclosingElement() != null && !modifiers.contains(Modifier.STATIC)) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_WEBSERVICE_CLASS_IS_INNERCLASS_NOT_STATIC(
classElement.getQualifiedName()), classElement);
return false;
}
builder.processError(WebserviceapMessages.WEBSERVICEAP_WEBSERVICE_NO_DEFAULT_CONSTRUCTOR(
classElement.getQualifiedName()), classElement);
return false;
}
if (webService.endpointInterface().isEmpty()) {
if (!methodsAreLegal(classElement))
return false;
} else {
TypeElement interfaceElement = getEndpointInterfaceElement(webService.endpointInterface(), classElement);
if (!classImplementsSei(classElement, interfaceElement))
return false;
}
return true;
}
private boolean isStateful(TypeElement classElement) {
try {
// We don't want dependency on rt-ha module as its not integrated in JDK
return classElement.getAnnotation((Class<? extends Annotation>) Class.forName("com.sun.xml.internal.ws.developer.Stateful")) != null;
} catch (ClassNotFoundException e) {
//ignore
}
return false;
}
protected boolean classImplementsSei(TypeElement classElement, TypeElement interfaceElement) {
for (TypeMirror interfaceType : classElement.getInterfaces()) {
if (((DeclaredType) interfaceType).asElement().equals(interfaceElement))
return true;
}
List<ExecutableElement> classMethods = getClassMethods(classElement);
boolean implementsMethod;
for (ExecutableElement interfaceMethod : ElementFilter.methodsIn(interfaceElement.getEnclosedElements())) {
implementsMethod = false;
for (ExecutableElement classMethod : classMethods) {
if (sameMethod(interfaceMethod, classMethod)) {
implementsMethod = true;
classMethods.remove(classMethod);
break;
}
}
if (!implementsMethod) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_METHOD_NOT_IMPLEMENTED(interfaceElement.getSimpleName(), classElement.getSimpleName(), interfaceMethod), interfaceMethod);
return false;
}
}
return true;
}
private static List<ExecutableElement> getClassMethods(TypeElement classElement) {
if (classElement.getQualifiedName().toString().equals(Object.class.getName())) // we don't need Object's methods
return null;
TypeElement superclassElement = (TypeElement) ((DeclaredType) classElement.getSuperclass()).asElement();
List<ExecutableElement> superclassesMethods = getClassMethods(superclassElement);
List<ExecutableElement> classMethods = ElementFilter.methodsIn(classElement.getEnclosedElements());
if (superclassesMethods == null)
return classMethods;
else
superclassesMethods.addAll(classMethods);
return superclassesMethods;
}
protected boolean sameMethod(ExecutableElement method1, ExecutableElement method2) {
if (!method1.getSimpleName().equals(method2.getSimpleName()))
return false;
Types typeUtils = builder.getProcessingEnvironment().getTypeUtils();
if(!typeUtils.isSameType(method1.getReturnType(), method2.getReturnType())
&& !typeUtils.isSubtype(method2.getReturnType(), method1.getReturnType()))
return false;
List<? extends VariableElement> parameters1 = method1.getParameters();
List<? extends VariableElement> parameters2 = method2.getParameters();
if (parameters1.size() != parameters2.size())
return false;
for (int i = 0; i < parameters1.size(); i++) {
if (!typeUtils.isSameType(parameters1.get(i).asType(), parameters2.get(i).asType()))
return false;
}
return true;
}
protected boolean isLegalSei(TypeElement interfaceElement) {
return methodsAreLegal(interfaceElement);
}
protected boolean methodsAreLegal(TypeElement element) {
switch (element.getKind()) {
case INTERFACE: {
hasWebMethods = false;
for (ExecutableElement method : ElementFilter.methodsIn(element.getEnclosedElements())) {
if (!isLegalMethod(method, element))
return false;
}
for (TypeMirror superInterface : element.getInterfaces()) {
if (!methodsAreLegal((TypeElement) ((DeclaredType) superInterface).asElement()))
return false;
}
return true;
}
case CLASS: {
hasWebMethods = hasWebMethods(element);
for (ExecutableElement method : ElementFilter.methodsIn(element.getEnclosedElements())) {
if (!method.getModifiers().contains(Modifier.PUBLIC))
continue; // let's validate only public methods
if (!isLegalMethod(method, element))
return false;
}
DeclaredType superClass = (DeclaredType) element.getSuperclass();
TypeElement tE = (TypeElement) superClass.asElement();
return tE.getQualifiedName().toString().equals(Object.class.getName())
|| methodsAreLegal(tE);
}
default: {
throw new IllegalArgumentException("Class or interface was expecting. But element: " + element);
}
}
}
protected boolean isLegalMethod(ExecutableElement method, TypeElement typeElement) {
WebMethod webMethod = method.getAnnotation(WebMethod.class);
//SEI cannot have methods with @WebMethod(exclude=true)
if (typeElement.getKind().equals(ElementKind.INTERFACE) && webMethod != null && webMethod.exclude())
builder.processError(WebserviceapMessages.WEBSERVICEAP_INVALID_SEI_ANNOTATION_ELEMENT_EXCLUDE("exclude=true", typeElement.getQualifiedName(), method.toString()), method);
// With https://jax-ws.dev.java.net/issues/show_bug.cgi?id=577, hasWebMethods has no effect
if (hasWebMethods && webMethod == null) // backwards compatibility (for legacyWebMethod computation)
return true;
if ((webMethod != null) && webMethod.exclude()) {
return true;
}
/*
This check is not needed as Impl class is already checked that it is not abstract.
if (typeElement instanceof TypeElement && method.getModifiers().contains(Modifier.ABSTRACT)) { // use Kind.equals instead of instanceOf
builder.processError(method.getPosition(), WebserviceapMessages.WEBSERVICEAP_WEBSERVICE_METHOD_IS_ABSTRACT(typeElement.getQualifiedName(), method.getSimpleName()));
return false;
}
*/
TypeMirror returnType = method.getReturnType();
if (!isLegalType(returnType)) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_METHOD_RETURN_TYPE_CANNOT_IMPLEMENT_REMOTE(typeElement.getQualifiedName(),
method.getSimpleName(),
returnType), method);
}
boolean isOneWay = method.getAnnotation(Oneway.class) != null;
if (isOneWay && !isValidOneWayMethod(method, typeElement))
return false;
SOAPBinding soapBinding = method.getAnnotation(SOAPBinding.class);
if (soapBinding != null) {
if (soapBinding.style().equals(SOAPBinding.Style.RPC)) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_RPC_SOAPBINDING_NOT_ALLOWED_ON_METHOD(typeElement.getQualifiedName(), method.toString()), method);
}
}
int paramIndex = 0;
for (VariableElement parameter : method.getParameters()) {
if (!isLegalParameter(parameter, method, typeElement, paramIndex++))
return false;
}
if (!isDocLitWrapped() && soapStyle.equals(SOAPStyle.DOCUMENT)) {
VariableElement outParam = getOutParameter(method);
int inParams = getModeParameterCount(method, WebParam.Mode.IN);
int outParams = getModeParameterCount(method, WebParam.Mode.OUT);
if (inParams != 1) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_DOC_BARE_AND_NO_ONE_IN(typeElement.getQualifiedName(), method.toString()), method);
}
if (returnType.accept(NO_TYPE_VISITOR, null)) {
if (outParam == null && !isOneWay) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_DOC_BARE_NO_OUT(typeElement.getQualifiedName(), method.toString()), method);
}
if (outParams != 1) {
if (!isOneWay && outParams != 0)
builder.processError(WebserviceapMessages.WEBSERVICEAP_DOC_BARE_NO_RETURN_AND_NO_OUT(typeElement.getQualifiedName(), method.toString()), method);
}
} else {
if (outParams > 0) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_DOC_BARE_RETURN_AND_OUT(typeElement.getQualifiedName(), method.toString()), outParam);
}
}
}
return true;
}
protected boolean isLegalParameter(VariableElement param,
ExecutableElement method,
TypeElement typeElement,
int paramIndex) {
if (!isLegalType(param.asType())) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_METHOD_PARAMETER_TYPES_CANNOT_IMPLEMENT_REMOTE(typeElement.getQualifiedName(),
method.getSimpleName(),
param.getSimpleName(),
param.asType().toString()), param);
return false;
}
TypeMirror holderType;
holderType = builder.getHolderValueType(param.asType());
WebParam webParam = param.getAnnotation(WebParam.class);
WebParam.Mode mode = null;
if (webParam != null)
mode = webParam.mode();
if (holderType != null) {
if (mode != null && mode == WebParam.Mode.IN)
builder.processError(WebserviceapMessages.WEBSERVICEAP_HOLDER_PARAMETERS_MUST_NOT_BE_IN_ONLY(typeElement.getQualifiedName(), method.toString(), paramIndex), param);
} else if (mode != null && mode != WebParam.Mode.IN) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_NON_IN_PARAMETERS_MUST_BE_HOLDER(typeElement.getQualifiedName(), method.toString(), paramIndex), param);
}
return true;
}
protected boolean isDocLitWrapped() {
return soapStyle.equals(SOAPStyle.DOCUMENT) && wrapped;
}
private static final class NoTypeVisitor extends SimpleTypeVisitor6<Boolean, Void> {
@Override
public Boolean visitNoType(NoType t, Void o) {
return true;
}
@Override
protected Boolean defaultAction(TypeMirror e, Void aVoid) {
return false;
}
}
protected boolean isValidOneWayMethod(ExecutableElement method, TypeElement typeElement) {
boolean valid = true;
if (!(method.getReturnType().accept(NO_TYPE_VISITOR, null))) {
// this is an error, cannot be OneWay and have a return type
builder.processError(WebserviceapMessages.WEBSERVICEAP_ONEWAY_OPERATION_CANNOT_HAVE_RETURN_TYPE(typeElement.getQualifiedName(), method.toString()), method);
valid = false;
}
VariableElement outParam = getOutParameter(method);
if (outParam != null) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_ONEWAY_AND_OUT(typeElement.getQualifiedName(), method.toString()), outParam);
valid = false;
}
if (!isDocLitWrapped() && soapStyle.equals(SOAPStyle.DOCUMENT)) {
int inCnt = getModeParameterCount(method, WebParam.Mode.IN);
if (inCnt != 1) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_ONEWAY_AND_NOT_ONE_IN(typeElement.getQualifiedName(), method.toString()), method);
valid = false;
}
}
for (TypeMirror thrownType : method.getThrownTypes()) {
TypeElement thrownElement = (TypeElement) ((DeclaredType) thrownType).asElement();
if (builder.isServiceException(thrownType)) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_ONEWAY_OPERATION_CANNOT_DECLARE_EXCEPTIONS(
typeElement.getQualifiedName(), method.toString(), thrownElement.getQualifiedName()), method);
valid = false;
}
}
return valid;
}
protected int getModeParameterCount(ExecutableElement method, WebParam.Mode mode) {
WebParam webParam;
int cnt = 0;
for (VariableElement param : method.getParameters()) {
webParam = param.getAnnotation(WebParam.class);
if (webParam != null) {
if (webParam.header())
continue;
if (isEquivalentModes(mode, webParam.mode()))
cnt++;
} else {
if (isEquivalentModes(mode, WebParam.Mode.IN)) {
cnt++;
}
}
}
return cnt;
}
protected boolean isEquivalentModes(WebParam.Mode mode1, WebParam.Mode mode2) {
if (mode1.equals(mode2))
return true;
assert mode1 == WebParam.Mode.IN || mode1 == WebParam.Mode.OUT;
return (mode1 == WebParam.Mode.IN && mode2 != WebParam.Mode.OUT) || (mode1 == WebParam.Mode.OUT && mode2 != WebParam.Mode.IN);
}
protected boolean isHolder(VariableElement param) {
return builder.getHolderValueType(param.asType()) != null;
}
protected boolean isLegalType(TypeMirror type) {
if (!(type != null && type.getKind().equals(TypeKind.DECLARED)))
return true;
TypeElement tE = (TypeElement) ((DeclaredType) type).asElement();
if (tE == null) {
// can be null, if this type's declaration is unknown. This may be the result of a processing error, such as a missing class file.
builder.processError(WebserviceapMessages.WEBSERVICEAP_COULD_NOT_FIND_TYPEDECL(type.toString(), context.getRound()));
}
return !builder.isRemote(tE);
}
protected VariableElement getOutParameter(ExecutableElement method) {
WebParam webParam;
for (VariableElement param : method.getParameters()) {
webParam = param.getAnnotation(WebParam.class);
if (webParam != null && webParam.mode() != WebParam.Mode.IN) {
return param;
}
}
return null;
}
protected static class MySoapBinding implements SOAPBinding {
@Override
public Style style() {
return SOAPBinding.Style.DOCUMENT;
}
@Override
public Use use() {
return SOAPBinding.Use.LITERAL;
}
@Override
public ParameterStyle parameterStyle() {
return SOAPBinding.ParameterStyle.WRAPPED;
}
@Override
public Class<? extends java.lang.annotation.Annotation> annotationType() {
return SOAPBinding.class;
}
}
}