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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.databinding.sdo;
import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
import static org.apache.tuscany.sca.databinding.sdo.ImportSDO.IMPORT_SDO;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.net.URI;
import java.net.URL;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
import org.apache.tuscany.sca.contribution.service.ContributionReadException;
import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
import org.apache.tuscany.sca.contribution.service.ContributionWriteException;
import commonj.sdo.helper.HelperContext;
import commonj.sdo.helper.XSDHelper;
/**
* Loader that handles <import.sdo> elements.
*
* @version $Rev$ $Date$
* @deprecated
*/
@Deprecated
public class ImportSDOProcessor implements StAXArtifactProcessor<ImportSDO> {
public ImportSDOProcessor(ModelFactoryExtensionPoint modelFactories) {
super();
}
public QName getXMLType() {
return IMPORT_SDO;
}
public ImportSDO read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
assert IMPORT_SDO.equals(reader.getName());
// FIXME: How do we associate the application HelperContext with the one
// imported by the composite
ImportSDO importSDO = new ImportSDO(SDOContextHelper.getDefaultHelperContext());
String factoryName = reader.getAttributeValue(null, "factory");
if (factoryName != null) {
importSDO.setFactoryClassName(factoryName);
}
String location = reader.getAttributeValue(null, "location");
if (location != null) {
importSDO.setSchemaLocation(location);
}
// Skip to end element
while (reader.hasNext()) {
if (reader.next() == END_ELEMENT && ImportSDO.IMPORT_SDO.equals(reader.getName())) {
break;
}
}
return importSDO;
}
private void importFactory(ImportSDO importSDO) throws ContributionResolveException {
String factoryName = importSDO.getFactoryClassName();
if (factoryName != null) {
//FIXME The classloader should be passed in
ClassLoader cl = Thread.currentThread().getContextClassLoader();
try {
Class<?> factoryClass = cl.loadClass(factoryName);
register(factoryClass, importSDO.getHelperContext());
} catch (Exception e) {
throw new ContributionResolveException(e);
}
importSDO.setUnresolved(false);
}
}
private static void register(Class factoryClass, HelperContext helperContext) throws Exception {
Field field = factoryClass.getField("INSTANCE");
Object factory = field.get(null);
Method method = factory.getClass().getMethod("register", new Class[] {HelperContext.class});
method.invoke(factory, new Object[] {helperContext});
// HelperContext defaultContext = HelperProvider.getDefaultContext();
// method.invoke(factory, new Object[] {defaultContext});
}
private void importWSDL(ImportSDO importSDO) throws ContributionResolveException {
String location = importSDO.getSchemaLocation();
if (location != null) {
try {
URL wsdlURL = null;
URI uri = URI.create(location);
if (uri.isAbsolute()) {
wsdlURL = uri.toURL();
}
//FIXME The classloader should be passed in
wsdlURL = Thread.currentThread().getContextClassLoader().getResource(location);
if (null == wsdlURL) {
ContributionResolveException loaderException = new ContributionResolveException(
"WSDL location error");
throw loaderException;
}
InputStream xsdInputStream = wsdlURL.openStream();
try {
XSDHelper xsdHelper = importSDO.getHelperContext().getXSDHelper();
xsdHelper.define(xsdInputStream, wsdlURL.toExternalForm());
} finally {
xsdInputStream.close();
}
} catch (IOException e) {
throw new ContributionResolveException(e);
}
importSDO.setUnresolved(false);
}
}
public QName getArtifactType() {
return ImportSDO.IMPORT_SDO;
}
public void write(ImportSDO model, XMLStreamWriter outputSource) throws ContributionWriteException {
// Not implemented as <import.sdo> is deprecated
}
public Class<ImportSDO> getModelType() {
return ImportSDO.class;
}
public void resolve(ImportSDO importSDO, ModelResolver resolver) throws ContributionResolveException {
importFactory(importSDO);
importWSDL(importSDO);
if (!importSDO.isUnresolved()) {
resolver.addModel(importSDO);
}
}
}
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