1 files changed, 132 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/sca-node/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementationProcessor.java b/sandbox/sebastien/java/sca-node/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementationProcessor.java
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+++ b/sandbox/sebastien/java/sca-node/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementationProcessor.java
@@ -0,0 +1,132 @@
+/*
+ * 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.implementation.data;
+
+import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamConstants;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.xml.Constants;
+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 org.apache.tuscany.sca.data.engine.ConnectionInfoArtifactProcessor;
+import org.apache.tuscany.sca.data.engine.config.ConnectionInfo;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.monitor.Monitor;
+
+
+/**
+ * Implements a StAX artifact processor for DATA implementations.
+ * 
+ * The artifact processor is responsible for processing <implementation.data>
+ * elements in SCA assembly XML composite files and populating the DATA
+ * implementation model, resolving its references to other artifacts in the SCA
+ * contribution, and optionally write the model back to SCA assembly XML.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class DATAImplementationProcessor implements StAXArtifactProcessor<DATAImplementation> {
+    protected static final QName IMPLEMENTATION_DATA_XML = new QName(Constants.SCA10_TUSCANY_NS, "implementation.data.xml");
+    
+    private DATAImplementationFactory dataFactory;
+    private Monitor monitor;
+    private StAXArtifactProcessor<ConnectionInfo> connectionInfoProcessor;
+    
+    public DATAImplementationProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) {
+        AssemblyFactory assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
+        JavaInterfaceFactory javaFactory = modelFactories.getFactory(JavaInterfaceFactory.class);
+        this.monitor = monitor;
+        this.dataFactory = new DATAImplementationFactory(assemblyFactory, javaFactory);        
+        this.connectionInfoProcessor = new ConnectionInfoArtifactProcessor(modelFactories, this.monitor);        
+    }
+
+    public QName getArtifactType() {
+        // Returns the qname of the XML element processed by this processor
+        return IMPLEMENTATION_DATA_XML;
+    }
+
+    public Class<DATAImplementation> getModelType() {
+        // Returns the type of model processed by this processor
+        return DATAImplementation.class;
+    }
+
+    /*
+     * <component name="CompanyDataComponent">
+     *   <implementation.data.xml>
+     *      <connectionInfo>
+     *         <connectionProperties 
+     *          driverClass="org.apache.derby.jdbc.EmbeddedDriver" 
+     *          databaseURL="jdbc:derby:target/test-classes/dastest; create = true" 
+     *          loginTimeout="600000"/>
+     *      </connectionInfo>
+     *   </implementation.data>
+     * </component>
+     */
+    public DATAImplementation read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
+        assert IMPLEMENTATION_DATA_XML.equals(reader.getName());
+
+        // Read an <implementation.data.xml> element
+
+        // Create an initialize the DAS implementation model
+        DATAImplementation implementation = dataFactory.createDASImplementation();
+
+        while (true) {
+            int event = reader.next();
+            switch (event) {
+
+            case START_ELEMENT:
+                if (ConnectionInfoArtifactProcessor.CONNECTION_INFO.equals(reader.getName())) {
+                    
+                    // Read connection info
+                    ConnectionInfo connectionInfo = (ConnectionInfo) connectionInfoProcessor.read(reader);
+                    implementation.setConnectionInfo(connectionInfo);
+                }
+                break;
+            case XMLStreamConstants.END_ELEMENT:
+                if (IMPLEMENTATION_DATA_XML.equals(reader.getName())) {
+                    return implementation;
+                }                    
+                break;
+            }
+        }
+
+    }
+
+    public void resolve(DATAImplementation impl, ModelResolver resolver) throws ContributionResolveException {
+    }
+
+    public void write(DATAImplementation implementation, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException {
+        writer.writeStartElement(IMPLEMENTATION_DATA_XML.getNamespaceURI(), IMPLEMENTATION_DATA_XML.getLocalPart());
+                
+        if (implementation.getConnectionInfo() != null) { 
+            connectionInfoProcessor.write(implementation.getConnectionInfo(), writer);
+        }
+        
+        writer.writeEndElement();
+    }
+}