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/**
*
* Copyright 2006 The Apache Software Foundation
*
* Licensed 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.binding.jms;
import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
import static org.osoa.sca.Version.XML_NAMESPACE_1_0;
import java.util.Arrays;
import java.util.List;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.apache.tuscany.spi.annotation.Autowire;
import org.apache.tuscany.spi.component.CompositeComponent;
import org.apache.tuscany.spi.deployer.DeploymentContext;
import org.apache.tuscany.spi.extension.LoaderExtension;
import org.apache.tuscany.spi.loader.LoaderException;
import org.apache.tuscany.spi.loader.LoaderRegistry;
import org.apache.tuscany.spi.model.ModelObject;
import org.osoa.sca.annotations.Scope;
/**
* Loader for handling <binding.jms> elements based on the 0.96 draft 1 spec.
*/
@Scope("COMPOSITE")
public class JMSBindingLoader extends LoaderExtension<JMSBindingDefinition> {
public static final QName BINDING_JMS =
new QName(XML_NAMESPACE_1_0, "binding.jms");
public static final List<String> VALID_CORRELATION_SCHEMES =
Arrays.asList(new String[] {"requestmsgidtocorrelid", "requestcorrelidtocorrelid", "none"});
public JMSBindingLoader(@Autowire LoaderRegistry registry) {
super(registry);
}
public QName getXMLType() {
return BINDING_JMS;
}
public JMSBindingDefinition load(CompositeComponent parent,
ModelObject modelObject,
XMLStreamReader reader,
DeploymentContext deploymentContext) throws XMLStreamException, LoaderException {
JMSBindingDefinition jmsBinding = new JMSBindingDefinition();
String uri = reader.getAttributeValue(null, "uri");
if (uri != null && uri.length() > 0) {
parseURI(jmsBinding, uri);
}
String correlationScheme = reader.getAttributeValue(null, "correlationScheme");
if (correlationScheme != null && correlationScheme.length() > 0) {
if (VALID_CORRELATION_SCHEMES.contains(correlationScheme.toLowerCase())) {
jmsBinding.setCorrelationScheme(correlationScheme);
} else {
throw new LoaderException("invalid correlationScheme: " + correlationScheme);
}
}
String initialContextFactory = reader.getAttributeValue(null, "initialContextFactory");
if (initialContextFactory != null && initialContextFactory.length() > 0) {
jmsBinding.setInitialContextFactoryName(initialContextFactory);
}
String jndiProviderURL = reader.getAttributeValue(null, "JNDIProviderURL");
if (jndiProviderURL != null && jndiProviderURL.length() > 0) {
jmsBinding.setJNDIProviderURL(jndiProviderURL);
}
while (true) {
switch (reader.next()) {
case START_ELEMENT:
String elementName = reader.getName().getLocalPart();
if ("destination".equals(elementName)) {
parseDestination(reader, jmsBinding);
} else if ("connectionFactory".equals(elementName)) {
parseConnectionFactory(reader, jmsBinding);
} else if ("activationSpec".equals(elementName)) {
parseActivationSpec(reader, jmsBinding);
} else if ("response".equals(elementName)) {
parseResponse(reader, jmsBinding);
} else if ("headers".equals(elementName)) {
parseHeaders(reader, jmsBinding);
} else if ("operationAndDataBinding".equals(elementName)) {
parseOperationAndDataBinding(reader, jmsBinding);
} else if ("operation".equals(elementName)) {
parseOperation(reader, jmsBinding);
} else if ("resourceAdapter".equals(elementName)) {
parseResourceAdapter(reader, jmsBinding);
}
reader.next();
break;
case END_ELEMENT:
QName x = reader.getName();
if (x.equals(BINDING_JMS)) {
return jmsBinding;
}
throw new RuntimeException("Incomplete binding.jms definition");
}
}
}
protected void parseActivationSpec(XMLStreamReader reader, JMSBindingDefinition jmsBinding) {
String name = reader.getAttributeValue(null, "name");
if (name != null && name.length() > 0) {
jmsBinding.setActivationSpecName(name);
} else {
throw new RuntimeException("missing ActivationSpec name");
}
}
protected void parseConnectionFactory(XMLStreamReader reader, JMSBindingDefinition jmsBinding) {
String name = reader.getAttributeValue(null, "name");
if (name != null && name.length() > 0) {
jmsBinding.setConnectionFactoryName(name);
} else {
throw new RuntimeException("missing connectionFactory name");
}
}
protected void parseResponse(XMLStreamReader reader, JMSBindingDefinition jmsBinding) {
// TODO Auto-generated method stub
}
protected void parseResourceAdapter(XMLStreamReader reader, JMSBindingDefinition jmsBinding) throws XMLStreamException {
// TODO Auto-generated method stub
}
protected void parseOperation(XMLStreamReader reader, JMSBindingDefinition jmsBinding) throws XMLStreamException {
// TODO Auto-generated method stub
}
protected void parseOperationAndDataBinding(XMLStreamReader reader, JMSBindingDefinition jmsBinding)
throws XMLStreamException {
String name = reader.getAttributeValue(null, "name");
String use = reader.getAttributeValue(null, "use");
if (name != null && name.length() > 0) {
if ("request".equalsIgnoreCase(use)) {
jmsBinding.setRequestOperationAndDatabindingName(name);
} else if ("response".equalsIgnoreCase(use)) {
jmsBinding.setResponseOperationAndDatabindingName(name);
} else {
jmsBinding.setRequestOperationAndDatabindingName(name);
jmsBinding.setResponseOperationAndDatabindingName(name);
}
}
}
protected void parseHeaders(XMLStreamReader reader, JMSBindingDefinition jmsBinding) throws XMLStreamException {
// TODO Auto-generated method stub
}
protected void parseDestination(XMLStreamReader reader, JMSBindingDefinition jmsBinding) throws XMLStreamException {
String name = reader.getAttributeValue(null, "name");
if (name != null && name.length() > 0) {
jmsBinding.setDestinationName(name);
}
String type = reader.getAttributeValue(null, "type");
if (type != null && type.length() > 0) {
if ("queue".equalsIgnoreCase(type)) {
jmsBinding.setDestinationType(JMSBindingDefinition.DESTINATION_TYPE_QUEUE);
} else if ("topic".equalsIgnoreCase("type")) {
jmsBinding.setDestinationType(JMSBindingDefinition.DESTINATION_TYPE_TOPIC);
} else {
throw new RuntimeException("invalid destination type: " + type);
}
}
String create = reader.getAttributeValue(null, "create");
if (create != null && create.length() > 0) {
jmsBinding.setCreateDestination(create);
}
}
protected void parseURI(JMSBindingDefinition jmsBinding, String uri) {
// TODO Auto-generated method stub
}
}
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