1 files changed, 92 insertions, 0 deletions
diff --git a/sandbox/lresende/backup/container.das/src/main/java/org/apache/tuscany/container/dataaccess/DataAccessImplementationLoader.java b/sandbox/lresende/backup/container.das/src/main/java/org/apache/tuscany/container/dataaccess/DataAccessImplementationLoader.java
new file mode 100644
index 0000000000..01fb6ba89e
--- /dev/null
+++ b/sandbox/lresende/backup/container.das/src/main/java/org/apache/tuscany/container/dataaccess/DataAccessImplementationLoader.java
@@ -0,0 +1,92 @@
+/*
+ * 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.container.dataaccess;
+
+import java.io.InputStream;
+
+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.loader.LoaderUtil;
+import org.apache.tuscany.spi.loader.MissingResourceException;
+import org.apache.tuscany.spi.model.ModelObject;
+import org.osoa.sca.annotations.Constructor;
+
+/**
+ * Loader for handling JavaScript <da:implementation.da> elements.
+ * 
+ * Example would be as below
+ * <composite xmlns="http://www.osoa.org/xmlns/sca/1.0" xmlns:das="http://tuscany.apache.org/xmlns/das/1.0" name="CustomersOrdersComposite">
+ *    <component name="CustomersOrdersComponent">
+ *        <das:implementation.das config="customersOrders/CustomersOrders.xml" dataAccessType="rdb"/>
+ *   </component>
+ * </composite>
+ */
+public class DataAccessImplementationLoader extends LoaderExtension<DataAccessImplementation> {
+    private static String XML_DATAACCESS_NAMESPACE = "http://tuscany.apache.org/xmlns/das/1.0";
+    private static final QName IMPLEMENTATION_DATAACCESS = new QName(XML_DATAACCESS_NAMESPACE, "implementation.das");
+
+    @Constructor({"registry"})
+    public DataAccessImplementationLoader(@Autowire LoaderRegistry registry) {
+        super(registry);
+    }
+
+    public QName getXMLType() {
+        return IMPLEMENTATION_DATAACCESS;
+    }
+
+    public DataAccessImplementation load(CompositeComponent parent, 
+                                         ModelObject mo,
+                                         XMLStreamReader reader,
+                                         DeploymentContext deploymentContext) throws XMLStreamException, LoaderException {
+
+        String dasConfig = reader.getAttributeValue(null, "config");
+        String dataAccessType = reader.getAttributeValue(null, "dataAccessType");
+        
+        if ( dasConfig == null  ) {
+            throw new MissingResourceException("No config provided supplied");
+        }
+
+        ClassLoader cl = deploymentContext.getClassLoader();
+        InputStream dasConfigStream = loadConfig(cl, dasConfig);
+
+        LoaderUtil.skipToEndElement(reader);
+
+        DataAccessImplementation implementation = new DataAccessImplementation();
+        implementation.setDasConfig(dasConfig);
+        implementation.setDasConfigStream(dasConfigStream);
+        implementation.setDataAccessType(dataAccessType);
+        implementation.setClassLoader(cl);
+
+        registry.loadComponentType(parent, implementation, deploymentContext);
+        return implementation;
+    }
+
+    protected InputStream loadConfig(ClassLoader classLoader, String configResource) throws LoaderException {
+        return classLoader.getResourceAsStream(configResource);
+
+    }
+}