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org.apache.cxf.jaxb.JAXBSchemaInitializer Maven / Gradle / Ivy
/**
* 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.cxf.jaxb;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Iterator;
import java.util.logging.Logger;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.namespace.QName;
import com.sun.xml.bind.v2.runtime.JAXBContextImpl;
import com.sun.xml.bind.v2.runtime.JaxBeanInfo;
import org.apache.cxf.common.i18n.Message;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.xmlschema.SchemaCollection;
import org.apache.cxf.common.xmlschema.XmlSchemaTools;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.service.ServiceModelVisitor;
import org.apache.cxf.service.model.FaultInfo;
import org.apache.cxf.service.model.MessagePartInfo;
import org.apache.cxf.service.model.SchemaInfo;
import org.apache.cxf.service.model.ServiceInfo;
import org.apache.cxf.wsdl.WSDLConstants;
import org.apache.ws.commons.schema.XmlSchema;
import org.apache.ws.commons.schema.XmlSchemaComplexType;
import org.apache.ws.commons.schema.XmlSchemaElement;
import org.apache.ws.commons.schema.XmlSchemaForm;
import org.apache.ws.commons.schema.XmlSchemaObject;
import org.apache.ws.commons.schema.XmlSchemaSequence;
import org.apache.ws.commons.schema.utils.NamespaceMap;
/**
* Walks the service model and sets up the element/type names.
*/
class JAXBSchemaInitializer extends ServiceModelVisitor {
private static final Logger LOG = LogUtils.getLogger(JAXBSchemaInitializer.class);
private SchemaCollection schemas;
private JAXBContextImpl context;
private final boolean qualifiedSchemas;
public JAXBSchemaInitializer(ServiceInfo serviceInfo,
SchemaCollection col,
JAXBContextImpl context,
boolean q) {
super(serviceInfo);
schemas = col;
this.context = context;
this.qualifiedSchemas = q;
}
@Override
public void begin(MessagePartInfo part) {
// Check to see if the WSDL information has been filled in for us.
if (part.getTypeQName() != null || part.getElementQName() != null) {
checkForExistence(part);
return;
}
Class clazz = part.getTypeClass();
if (clazz == null) {
return;
}
boolean isFromWrapper = part.getMessageInfo().getOperation().isUnwrapped();
if (isFromWrapper && clazz.isArray() && !Byte.TYPE.equals(clazz.getComponentType())) {
clazz = clazz.getComponentType();
}
JaxBeanInfo beanInfo = context.getBeanInfo(clazz);
if (beanInfo == null) {
if (Exception.class.isAssignableFrom(clazz)) {
QName name = (QName)part.getMessageInfo().getProperty("elementName");
part.setElementQName(name);
buildExceptionType(part, clazz);
}
return;
}
boolean isElement = beanInfo.isElement();
boolean hasType = !beanInfo.getTypeNames().isEmpty();
if (isElement && isFromWrapper && hasType) {
//if there is both a Global element and a global type, AND we are in a wrapper,
//make sure we use the type instead of a ref to the element to
//match the rules for wrapped/unwrapped
isElement = false;
}
part.setElement(isElement);
if (isElement) {
QName name = new QName(beanInfo.getElementNamespaceURI(null),
beanInfo.getElementLocalName(null));
XmlSchemaElement el = schemas.getElementByQName(name);
if (el != null && el.getRefName() != null) {
part.setTypeQName(el.getRefName());
} else {
part.setElementQName(name);
}
part.setXmlSchema(el);
} else {
QName typeName = getTypeName(beanInfo);
if (typeName != null) {
part.setTypeQName(typeName);
part.setXmlSchema(schemas.getTypeByQName(typeName));
}
}
}
private QName getTypeName(JaxBeanInfo beanInfo) {
Iterator itr = beanInfo.getTypeNames().iterator();
if (!itr.hasNext()) {
return null;
}
return itr.next();
}
public void checkForExistence(MessagePartInfo part) {
QName qn = part.getElementQName();
if (qn != null) {
XmlSchemaElement el = schemas.getElementByQName(qn);
if (el == null) {
Class clazz = part.getTypeClass();
if (clazz == null) {
return;
}
boolean isFromWrapper = part.getMessageInfo().getOperation().isUnwrapped();
if (isFromWrapper && clazz.isArray() && !Byte.TYPE.equals(clazz.getComponentType())) {
clazz = clazz.getComponentType();
}
JaxBeanInfo beanInfo = context.getBeanInfo(clazz);
if (beanInfo == null) {
if (Exception.class.isAssignableFrom(clazz)) {
QName name = (QName)part.getMessageInfo().getProperty("elementName");
part.setElementQName(name);
buildExceptionType(part, clazz);
}
return;
}
QName typeName = getTypeName(beanInfo);
createBridgeXsElement(part, qn, typeName);
} else if (part.getXmlSchema() == null) {
part.setXmlSchema(el);
}
}
}
private void createBridgeXsElement(MessagePartInfo part, QName qn, QName typeName) {
XmlSchemaElement el = null;
SchemaInfo schemaInfo = serviceInfo.getSchema(qn.getNamespaceURI());
if (schemaInfo != null) {
el = schemaInfo.getElementByQName(qn);
if (el == null) {
el = createXsElement(part, typeName, schemaInfo);
schemaInfo.getSchema().getElements().add(el.getQName(), el);
schemaInfo.getSchema().getItems().add(el);
} else if (!typeName.equals(el.getSchemaTypeName())) {
throw new Fault(new Message("CANNOT_CREATE_ELEMENT", LOG,
qn, typeName, el.getSchemaTypeName()));
}
return;
}
schemaInfo = new SchemaInfo(qn.getNamespaceURI(), qualifiedSchemas, false);
el = createXsElement(part, typeName, schemaInfo);
XmlSchema schema = schemas.newXmlSchemaInCollection(qn.getNamespaceURI());
if (qualifiedSchemas) {
schema.setElementFormDefault(new XmlSchemaForm(XmlSchemaForm.QUALIFIED));
}
schemaInfo.setSchema(schema);
schema.getElements().add(el.getQName(), el);
schema.getItems().add(el);
NamespaceMap nsMap = new NamespaceMap();
nsMap.add(WSDLConstants.CONVENTIONAL_TNS_PREFIX, schema.getTargetNamespace());
nsMap.add(WSDLConstants.NP_SCHEMA_XSD, WSDLConstants.NU_SCHEMA_XSD);
schema.setNamespaceContext(nsMap);
serviceInfo.addSchema(schemaInfo);
}
private XmlSchemaElement createXsElement(MessagePartInfo part, QName typeName, SchemaInfo schemaInfo) {
XmlSchemaElement el = new XmlSchemaElement();
XmlSchemaTools.setElementQName(el, part.getElementQName());
el.setNillable(true);
el.setSchemaTypeName(typeName);
part.setXmlSchema(el);
return el;
}
public void end(FaultInfo fault) {
MessagePartInfo part = fault.getMessageParts().get(0);
Class cls = part.getTypeClass();
Class cl2 = (Class)fault.getProperty(Class.class.getName());
if (cls != cl2) {
QName name = (QName)fault.getProperty("elementName");
part.setElementQName(name);
JaxBeanInfo beanInfo = context.getBeanInfo(cls);
if (beanInfo == null) {
throw new Fault(new Message("NO_BEAN_INFO", LOG, cls.getName()));
}
SchemaInfo schemaInfo = serviceInfo.getSchema(part.getElementQName().getNamespaceURI());
if (schemaInfo != null
&& !isExistSchemaElement(schemaInfo.getSchema(), part.getElementQName())) {
XmlSchemaElement el = new XmlSchemaElement();
XmlSchemaTools.setElementQName(el, part.getElementQName());
el.setNillable(true);
schemaInfo.getSchema().getItems().add(el);
schemaInfo.getSchema().getElements().add(el.getQName(), el);
Iterator itr = beanInfo.getTypeNames().iterator();
if (!itr.hasNext()) {
return;
}
QName typeName = itr.next();
el.setSchemaTypeName(typeName);
}
} else if (part.getXmlSchema() == null) {
try {
cls.getConstructor(new Class[] {String.class});
} catch (Exception e) {
try {
cls.getConstructor(new Class[0]);
} catch (Exception e2) {
//no String or default constructor, we cannot use it
return;
}
}
//not mappable in JAXBContext directly, we'll have to do it manually :-(
SchemaInfo schemaInfo = serviceInfo.getSchema(part.getElementQName().getNamespaceURI());
if (schemaInfo == null
|| isExistSchemaElement(schemaInfo.getSchema(), part.getElementQName())) {
return;
}
XmlSchemaElement el = new XmlSchemaElement();
XmlSchemaTools.setElementQName(el, part.getElementQName());
schemaInfo.getSchema().getItems().add(el);
schemaInfo.getSchema().getElements().add(el.getQName(), el);
part.setXmlSchema(el);
XmlSchemaComplexType ct = new XmlSchemaComplexType(schemaInfo.getSchema());
el.setSchemaType(ct);
XmlSchemaSequence seq = new XmlSchemaSequence();
ct.setParticle(seq);
Method methods[] = cls.getMethods();
for (Method m : methods) {
if (m.getName().startsWith("get")
|| m.getName().startsWith("is")) {
int beginIdx = m.getName().startsWith("get") ? 3 : 2;
try {
m.getDeclaringClass().getMethod("set" + m.getName().substring(beginIdx),
m.getReturnType());
JaxBeanInfo beanInfo = context.getBeanInfo(m.getReturnType());
if (beanInfo != null) {
el = new XmlSchemaElement();
el.setName(m.getName().substring(beginIdx));
String ns = schemaInfo.getSchema().getElementFormDefault()
.getValue().equals(XmlSchemaForm.UNQUALIFIED)
? "" : part.getElementQName().getLocalPart();
XmlSchemaTools.setElementQName(el,
new QName(ns, m.getName().substring(beginIdx)));
Iterator itr = beanInfo.getTypeNames().iterator();
if (!itr.hasNext()) {
return;
}
QName typeName = itr.next();
el.setSchemaTypeName(typeName);
}
seq.getItems().add(el);
} catch (Exception e) {
//not mappable
}
}
}
}
}
private void buildExceptionType(MessagePartInfo part, Class cls) {
SchemaInfo schemaInfo = null;
for (SchemaInfo s : serviceInfo.getSchemas()) {
if (s.getNamespaceURI().equals(part.getElementQName().getNamespaceURI())) {
schemaInfo = s;
break;
}
}
XmlSchema schema;
if (schemaInfo == null) {
schema = schemas.newXmlSchemaInCollection(part.getElementQName().getNamespaceURI());
if (qualifiedSchemas) {
schema.setElementFormDefault(new XmlSchemaForm(XmlSchemaForm.QUALIFIED));
}
NamespaceMap nsMap = new NamespaceMap();
nsMap.add(WSDLConstants.CONVENTIONAL_TNS_PREFIX, schema.getTargetNamespace());
nsMap.add(WSDLConstants.NP_SCHEMA_XSD, WSDLConstants.NU_SCHEMA_XSD);
schema.setNamespaceContext(nsMap);
schemaInfo = new SchemaInfo(part.getElementQName().getNamespaceURI());
schemaInfo.setSchema(schema);
serviceInfo.addSchema(schemaInfo);
} else {
schema = schemaInfo.getSchema();
}
XmlSchemaComplexType ct = new XmlSchemaComplexType(schema);
ct.setName(part.getElementQName().getLocalPart());
// Before updating everything, make sure we haven't added this
// type yet. Multiple methods that throw the same exception
// types will cause duplicates.
if (schema.getTypeByName(ct.getQName()) != null) {
return;
}
XmlSchemaElement el = new XmlSchemaElement();
XmlSchemaTools.setElementQName(el, part.getElementQName());
schema.getItems().add(el);
schema.getElements().add(el.getQName(), el);
part.setXmlSchema(el);
schema.getItems().add(ct);
schema.addType(ct);
el.setSchemaTypeName(part.getElementQName());
XmlSchemaSequence seq = new XmlSchemaSequence();
ct.setParticle(seq);
String namespace = part.getElementQName().getNamespaceURI();
XmlAccessorType accessorType = cls.getAnnotation(XmlAccessorType.class);
if (accessorType == null && cls.getPackage() != null) {
accessorType = cls.getPackage().getAnnotation(XmlAccessorType.class);
}
XmlAccessType accessType = accessorType != null ? accessorType.value() : XmlAccessType.PUBLIC_MEMBER;
for (Field f : cls.getDeclaredFields()) {
if (JAXBContextInitializer.isFieldAccepted(f, accessType)) {
//map field
JaxBeanInfo beanInfo = context.getBeanInfo(f.getType());
if (beanInfo != null) {
addElement(seq, beanInfo, new QName(namespace, f.getName()));
}
}
}
for (Method m : cls.getMethods()) {
if (JAXBContextInitializer.isMethodAccepted(m, accessType)) {
//map field
JaxBeanInfo beanInfo = context.getBeanInfo(m.getReturnType());
if (beanInfo != null) {
int idx = m.getName().startsWith("get") ? 3 : 2;
String name = m.getName().substring(idx);
name = Character.toLowerCase(name.charAt(0)) + name.substring(1);
addElement(seq, beanInfo, new QName(namespace, name));
}
}
}
part.setProperty(JAXBDataBinding.class.getName() + ".CUSTOM_EXCEPTION", Boolean.TRUE);
}
public void addElement(XmlSchemaSequence seq, JaxBeanInfo beanInfo, QName name) {
XmlSchemaElement el = new XmlSchemaElement();
el.setName(name.getLocalPart());
XmlSchemaTools.setElementQName(el, name);
el.setMinOccurs(1);
el.setMaxOccurs(1);
el.setNillable(true);
if (beanInfo.isElement()) {
QName ename = new QName(beanInfo.getElementNamespaceURI(null),
beanInfo.getElementLocalName(null));
XmlSchemaElement el2 = schemas.getElementByQName(ename);
XmlSchemaTools.setElementQName(el, null);
XmlSchemaTools.setElementRefName(el, el2.getRefName());
} else {
Iterator itr = beanInfo.getTypeNames().iterator();
if (!itr.hasNext()) {
return;
}
QName typeName = itr.next();
el.setSchemaTypeName(typeName);
}
seq.getItems().add(el);
}
private boolean isExistSchemaElement(XmlSchema schema, QName qn) {
boolean isExist = false;
for (Iterator ite = schema.getItems().getIterator(); ite.hasNext();) {
XmlSchemaObject obj = (XmlSchemaObject)ite.next();
if (obj instanceof XmlSchemaElement) {
XmlSchemaElement xsEle = (XmlSchemaElement)obj;
if (xsEle.getQName().equals(qn)) {
isExist = true;
break;
}
}
}
return isExist;
}
}
