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Apache CXF Runtime XmlBeans DataBinding
/**
* 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.xmlbeans;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Logger;
import javax.xml.namespace.QName;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.InputSource;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.StringUtils;
import org.apache.cxf.common.xmlschema.SchemaCollection;
import org.apache.cxf.helpers.DOMUtils;
import org.apache.cxf.helpers.XMLUtils;
import org.apache.cxf.service.ServiceModelVisitor;
import org.apache.cxf.service.model.MessagePartInfo;
import org.apache.cxf.service.model.ServiceInfo;
import org.apache.ws.commons.schema.XmlSchema;
import org.apache.ws.commons.schema.XmlSchemaElement;
import org.apache.ws.commons.schema.XmlSchemaType;
import org.apache.ws.commons.schema.resolver.URIResolver;
import org.apache.xmlbeans.SchemaType;
import org.apache.xmlbeans.SchemaTypeSystem;
import org.apache.xmlbeans.XmlAnySimpleType;
import org.apache.xmlbeans.XmlObject;
import org.apache.xmlbeans.impl.schema.BuiltinSchemaTypeSystem;
/**
* Walks the service model and sets up the element/type names.
*/
class XmlBeansSchemaInitializer extends ServiceModelVisitor {
private static final Logger LOG = LogUtils.getLogger(XmlBeansSchemaInitializer.class);
private static final Map, Class> CLASS_MAP
= new HashMap, Class>();
private SchemaCollection schemas;
private XmlBeansDataBinding dataBinding;
private Map schemaMap
= new HashMap();
static {
CLASS_MAP.put(String.class, org.apache.xmlbeans.XmlString.class);
CLASS_MAP.put(Integer.class, org.apache.xmlbeans.XmlInt.class);
CLASS_MAP.put(Integer.TYPE, org.apache.xmlbeans.XmlInt.class);
CLASS_MAP.put(Short.class, org.apache.xmlbeans.XmlShort.class);
CLASS_MAP.put(Short.TYPE, org.apache.xmlbeans.XmlShort.class);
CLASS_MAP.put(Byte.class, org.apache.xmlbeans.XmlByte.class);
CLASS_MAP.put(Byte.TYPE, org.apache.xmlbeans.XmlByte.class);
CLASS_MAP.put(Float.class, org.apache.xmlbeans.XmlFloat.class);
CLASS_MAP.put(Float.TYPE, org.apache.xmlbeans.XmlFloat.class);
CLASS_MAP.put(Double.class, org.apache.xmlbeans.XmlDouble.class);
CLASS_MAP.put(Double.TYPE, org.apache.xmlbeans.XmlDouble.class);
CLASS_MAP.put(Long.class, org.apache.xmlbeans.XmlLong.class);
CLASS_MAP.put(Long.TYPE, org.apache.xmlbeans.XmlLong.class);
CLASS_MAP.put(Boolean.class, org.apache.xmlbeans.XmlBoolean.class);
CLASS_MAP.put(Boolean.TYPE, org.apache.xmlbeans.XmlBoolean.class);
CLASS_MAP.put(BigDecimal.class, org.apache.xmlbeans.XmlDecimal.class);
CLASS_MAP.put(BigInteger.class, org.apache.xmlbeans.XmlInteger.class);
CLASS_MAP.put(Date.class, org.apache.xmlbeans.XmlDate.class);
CLASS_MAP.put(Calendar.class, org.apache.xmlbeans.XmlDate.class);
CLASS_MAP.put(byte[].class, org.apache.xmlbeans.XmlBase64Binary.class);
}
public XmlBeansSchemaInitializer(ServiceInfo serviceInfo,
SchemaCollection col,
XmlBeansDataBinding db) {
super(serviceInfo);
schemas = col;
dataBinding = db;
}
public class XMLSchemaResolver implements URIResolver {
final SchemaTypeSystem sts;
public XMLSchemaResolver(SchemaTypeSystem sts) {
this.sts = sts;
}
public InputSource resolveEntity(String targetNamespace, String schemaLocation, String baseUri) {
InputStream ins = sts.getSourceAsStream(schemaLocation);
if (ins != null) {
return new InputSource(ins);
}
return null;
}
}
XmlSchema getSchema(SchemaTypeSystem sts, String file) {
if (schemaMap.containsKey(file)) {
return schemaMap.get(file);
}
InputStream ins = sts.getSourceAsStream(file);
try {
//temporary marker to make sure recursive imports don't blow up
schemaMap.put(file, null);
Document doc = XMLUtils.parse(ins);
Element elem = DOMUtils.getFirstElement(doc.getDocumentElement());
while (elem != null) {
if (elem.getLocalName().equals("import")) {
String loc = elem.getAttribute("schemaLocation");
if (!StringUtils.isEmpty(loc)) {
getSchema(sts, loc);
}
}
elem = DOMUtils.getNextElement(elem);
}
XmlSchema schema = dataBinding.addSchemaDocument(serviceInfo,
schemas,
doc,
file);
schemaMap.put(file, schema);
return schema;
} catch (Exception e) {
throw new RuntimeException("Failed to find schema for: " + file, e);
}
}
@Override
public void begin(MessagePartInfo part) {
LOG.finest(part.getName().toString());
// 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();
}
mapClass(part, clazz);
}
private void mapClass(MessagePartInfo part, Class clazz) {
if (!XmlObject.class.isAssignableFrom(clazz)) {
Class type = CLASS_MAP.get(clazz);
if (type == null) {
System.out.println(clazz);
}
SchemaTypeSystem sts = BuiltinSchemaTypeSystem.get();
SchemaType st2 = sts.typeForClassname(type.getName());
part.setProperty(SchemaType.class.getName(), st2);
part.setProperty(XmlAnySimpleType.class.getName(), type);
part.setTypeQName(st2.getName());
XmlSchemaType xmlSchema = schemas.getTypeByQName(st2.getName());
part.setXmlSchema(xmlSchema);
return;
}
try {
Field field = clazz.getField("type");
SchemaType st = (SchemaType)field.get(null);
part.setProperty(SchemaType.class.getName(), st);
SchemaTypeSystem sts = st.getTypeSystem();
schemas.getXmlSchemaCollection().setSchemaResolver(new XMLSchemaResolver(sts));
XmlSchema schema = getSchema(sts, st.getSourceName());
if (st.isDocumentType()) {
XmlSchemaElement sct = schema.getElementByName(st.getDocumentElementName());
part.setXmlSchema(sct);
part.setElement(true);
part.setElementQName(st.getDocumentElementName());
part.setConcreteName(st.getDocumentElementName());
} else if (st.getComponentType() == SchemaType.ELEMENT) {
XmlSchemaElement sct = schema.getElementByName(st.getName());
part.setXmlSchema(sct);
part.setElement(true);
} else {
XmlSchemaType sct = schema.getTypeByName(st.getName());
part.setTypeQName(st.getName());
part.setXmlSchema(sct);
part.setElement(false);
}
} catch (RuntimeException ex) {
throw ex;
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
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();
}
mapClass(part, clazz);
}
}
}
}
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