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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.interfacedef.java.jaxws;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/*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.Style;*/
import javax.xml.namespace.QName;
import javax.xml.ws.RequestWrapper;
import javax.xml.ws.ResponseWrapper;
import org.apache.tuscany.sca.interfacedef.DataType;
import org.apache.tuscany.sca.interfacedef.FaultExceptionMapper;
import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
import org.apache.tuscany.sca.interfacedef.java.JavaOperation;
import org.apache.tuscany.sca.interfacedef.java.impl.JavaInterfaceUtil;
import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor;
import org.apache.tuscany.sca.interfacedef.util.ElementInfo;
import org.apache.tuscany.sca.interfacedef.util.WrapperInfo;
import org.apache.tuscany.sca.interfacedef.util.XMLType;
/**
* Introspect the java class/interface with JSR-181 and JAXWS annotations
*
* @version $Rev: 643696 $ $Date: 2008-04-01 19:24:11 -0800 (Tue, 01 Apr 2008) $
*/
public class JAXWSJavaInterfaceProcessor implements JavaInterfaceVisitor {
private static final String JAXB_DATABINDING = "javax.xml.bind.JAXBElement";
private FaultExceptionMapper faultExceptionMapper;
public JAXWSJavaInterfaceProcessor(FaultExceptionMapper faultExceptionMapper) {
super();
this.faultExceptionMapper = faultExceptionMapper;
}
public JAXWSJavaInterfaceProcessor() {
super();
}
public void visitInterface(JavaInterface contract) throws InvalidInterfaceException {
Class<?> clazz = contract.getJavaClass();
//WebService webService = clazz.getAnnotation(WebService.class);
String tns = JavaInterfaceUtil.getNamespace(clazz);
//if (webService != null) {
// tns = getValue(webService.targetNamespace(), tns);
// Mark SEI as Remotable
//contract.setRemotable(true);
//}
if (!contract.isRemotable()) {
return;
}
// SOAP binding (doc/lit/wrapped|bare or rpc/lit)
//SOAPBinding soapBinding = clazz.getAnnotation(SOAPBinding.class);
for (Iterator<Operation> it = contract.getOperations().iterator(); it.hasNext();) {
JavaOperation operation = (JavaOperation)it.next();
Method method = operation.getJavaMethod();
introspectFaultTypes(operation);
// SOAP binding (doc/lit/wrapped|bare or rpc/lit)
//SOAPBinding methodSOAPBinding = method.getAnnotation(SOAPBinding.class);
//if (methodSOAPBinding == null) {
// methodSOAPBinding = soapBinding;
//}
boolean documentStyle = true;
boolean bare = false;
//if (methodSOAPBinding != null) {
// bare = methodSOAPBinding.parameterStyle() == SOAPBinding.ParameterStyle.BARE;
// For BARE parameter style, the data is in the wrapped format already
// operation.setWrapperStyle(bare);
//documentStyle = methodSOAPBinding.style() == Style.DOCUMENT;
//}
String operationName = operation.getName();
// WebMethod
//WebMethod webMethod = method.getAnnotation(WebMethod.class);
//if (webMethod != null) {
// if (webMethod.exclude()) {
// Exclude the method
// it.remove();
// continue;
//}
//operationName = getValue(webMethod.operationName(), operationName);
//operation.setName(operationName);
//}
// Is one way?
/*Oneway oneway = method.getAnnotation(Oneway.class);
if (oneway != null) {
// JSR 181
assert method.getReturnType() == void.class;
operation.setNonBlocking(true);
}*/
// Handle BARE mapping
if (bare) {
for (int i = 0; i < method.getParameterTypes().length; i++) {
/*WebParam param = getAnnotation(method, i, WebParam.class);
if (param != null) {
String ns = getValue(param.targetNamespace(), tns);
// Default to <operationName> for doc-bare
String name = getValue(param.name(), documentStyle ? operationName : "arg" + i);
QName element = new QName(ns, name);
Object logical = operation.getInputType().getLogical().get(i).getLogical();
if (logical instanceof XMLType) {
((XMLType)logical).setElementName(element);
}
}*/
}
/* WebResult result = method.getAnnotation(WebResult.class);
if (result != null) {
String ns = getValue(result.targetNamespace(), tns);
// Default to <operationName>Response for doc-bare
String name = getValue(result.name(), documentStyle ? operationName + "Response" : "return");
QName element = new QName(ns, name);
Object logical = operation.getOutputType().getLogical();
if (logical instanceof XMLType) {
((XMLType)logical).setElementName(element);
}
}*/
// FIXME: [rfeng] For the BARE mapping, do we need to create a Wrapper?
// it's null at this point
} else {
RequestWrapper requestWrapper = method.getAnnotation(RequestWrapper.class);
String ns = requestWrapper == null ? tns : getValue(requestWrapper.targetNamespace(), tns);
String name =
requestWrapper == null ? operationName : getValue(requestWrapper.localName(), operationName);
QName inputWrapper = new QName(ns, name);
ResponseWrapper responseWrapper = method.getAnnotation(ResponseWrapper.class);
ns = responseWrapper == null ? tns : getValue(responseWrapper.targetNamespace(), tns);
name =
responseWrapper == null ? operationName + "Response" : getValue(responseWrapper.localName(),
operationName + "Response");
QName outputWrapper = new QName(ns, name);
List<ElementInfo> inputElements = new ArrayList<ElementInfo>();
for (int i = 0; i < method.getParameterTypes().length; i++) {
// WebParam param = getAnnotation(method, i, WebParam.class);
ns = /*param != null ? param.targetNamespace() :*/ "";
// Default to "" for doc-lit-wrapped && non-header
ns = getValue(ns, documentStyle && (/*param == null || !param.header()*/ true) ? "" : tns);
name = /*param != null ? param.name() :*/ "";
name = getValue(name, "arg" + i);
QName element = new QName(ns, name);
Object logical = operation.getInputType().getLogical().get(i).getLogical();
if (logical instanceof XMLType) {
((XMLType)logical).setElementName(element);
}
inputElements.add(new ElementInfo(element, null));
}
List<ElementInfo> outputElements = new ArrayList<ElementInfo>();
//WebResult result = method.getAnnotation(WebResult.class);
// Default to "" for doc-lit-wrapped && non-header
ns = /*result != null ? result.targetNamespace() :*/ "";
ns = getValue(ns, documentStyle && (/*result == null || !result.header()*/true) ? "" : tns);
name = /*result != null ? result.name() :*/ "";
name = getValue(name, "return");
QName element = new QName(ns, name);
if (operation.getOutputType() != null) {
Object logical = operation.getOutputType().getLogical();
if (logical instanceof XMLType) {
((XMLType)logical).setElementName(element);
}
}
outputElements.add(new ElementInfo(element, null));
WrapperInfo wrapperInfo =
new WrapperInfo(JAXB_DATABINDING, new ElementInfo(inputWrapper, null),
new ElementInfo(outputWrapper, null), inputElements, outputElements);
operation.setWrapper(wrapperInfo);
}
}
}
@SuppressWarnings("unchecked")
private void introspectFaultTypes(Operation operation) {
for (DataType exceptionType : operation.getFaultTypes()) {
faultExceptionMapper.introspectFaultDataType(exceptionType);
}
}
private <T extends Annotation> T getAnnotation(Method method, int index, Class<T> annotationType) {
Annotation[] annotations = method.getParameterAnnotations()[index];
for (Annotation annotation : annotations) {
if (annotation.annotationType() == annotationType) {
return annotationType.cast(annotation);
}
}
return null;
}
private static String getValue(String value, String defaultValue) {
return "".equals(value) ? defaultValue : value;
}
}
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