1 files changed, 75 insertions, 0 deletions
diff --git a/sandbox/old/contrib/implementation-bsf/src/main/java/org/apache/tuscany/container/script/ScriptComponentTypeLoader.java b/sandbox/old/contrib/implementation-bsf/src/main/java/org/apache/tuscany/container/script/ScriptComponentTypeLoader.java
new file mode 100644
index 0000000000..871f74b705
--- /dev/null
+++ b/sandbox/old/contrib/implementation-bsf/src/main/java/org/apache/tuscany/container/script/ScriptComponentTypeLoader.java
@@ -0,0 +1,75 @@
+/*
+ * 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.script;
+
+import java.net.URL;
+
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+import org.apache.tuscany.spi.extension.ComponentTypeLoaderExtension;
+import org.apache.tuscany.spi.loader.LoaderException;
+import org.apache.tuscany.spi.model.ComponentType;
+
+/**
+ * ComponentType loader for script components
+ */
+public class ScriptComponentTypeLoader extends ComponentTypeLoaderExtension<ScriptImplementation> {
+
+    public ScriptComponentTypeLoader() {
+    }
+
+    @Override
+    protected Class<ScriptImplementation> getImplementationClass() {
+        return ScriptImplementation.class;
+    }
+
+    public void load(CompositeComponent parent,
+                     ScriptImplementation implementation,
+                     DeploymentContext deploymentContext) throws LoaderException {
+        String sideFile = getSideFileName(implementation.getResourceName());
+        URL resource = implementation.getClassLoader().getResource(sideFile);
+        ScriptComponentType componentType;
+        if (resource == null) {
+            throw new MissingSideFileException("Component type side file not found", sideFile);
+            // TODO: or else implement introspection
+        } else {
+            componentType = loadFromSidefile(parent, resource, deploymentContext);
+        }
+        implementation.setComponentType(componentType);
+    }
+
+    @SuppressWarnings("unchecked")
+    protected ScriptComponentType loadFromSidefile(CompositeComponent parent,
+                                                   URL url,
+                                                   DeploymentContext deploymentContext)
+        throws LoaderException {
+        ScriptComponentType scriptComponentType = new ScriptComponentType();
+        return (ScriptComponentType) loaderRegistry
+            .load(parent, scriptComponentType, url, ComponentType.class, deploymentContext);
+    }
+
+    protected String getSideFileName(String resourceName) {
+        int lastDot = resourceName.lastIndexOf('.');
+        if (lastDot != -1) {
+            resourceName = resourceName.substring(0, lastDot);
+        }
+        return resourceName + ".componentType";
+    }
+
+}