1 files changed, 133 insertions, 0 deletions
diff --git a/sandbox/old/contrib/implementation-bsf/src/main/java/org/apache/tuscany/container/script/ScriptInstanceFactory.java b/sandbox/old/contrib/implementation-bsf/src/main/java/org/apache/tuscany/container/script/ScriptInstanceFactory.java
new file mode 100644
index 0000000000..f371e7c92f
--- /dev/null
+++ b/sandbox/old/contrib/implementation-bsf/src/main/java/org/apache/tuscany/container/script/ScriptInstanceFactory.java
@@ -0,0 +1,133 @@
+/*
+ * 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.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.tuscany.spi.ObjectCreationException;
+import org.apache.tuscany.spi.ObjectFactory;
+
+import org.apache.bsf.BSFEngine;
+import org.apache.bsf.BSFException;
+import org.apache.bsf.BSFManager;
+
+/**
+ * ScriptFactory creates ScriptInstances for a script
+ */
+public class ScriptInstanceFactory implements ObjectFactory<ScriptInstance> {
+    protected String resourceName;
+    protected ClassLoader classLoader;
+    private String className;
+    private String scriptSource;
+    private Map<String, ObjectFactory> contextObjects;
+
+    public ScriptInstanceFactory(String resourceName,
+                                 String className,
+                                 String scriptSource,
+                                 ClassLoader classLoader) {
+        this.resourceName = resourceName;
+        this.classLoader = classLoader;
+        this.className = className;
+        this.scriptSource = scriptSource;
+        this.contextObjects = new HashMap<String, ObjectFactory>();
+    }
+
+    /**
+     * Create a new invokeable instance of the script
+     * <p/>
+     * objects to add to scope of the script instance
+     *
+     * @return a RhinoScriptInstance
+     */
+    //public ScriptInstanceImpl createInstance(List<Class<?>> serviceBindings, Map<String, Object> context) {
+    public ScriptInstance getInstance() throws ObjectCreationException {
+        try {
+
+            //TODO: this uses a new manager and recompiles the scrip each time, may be able to optimize
+            // but need to be careful about instance scoping
+
+            BSFManager bsfManager = new BSFManager();
+            bsfManager.setClassLoader(BSFManager.class.getClassLoader());
+
+            // TODO: hack to get Ruby working with the standalone launcher
+            Thread.currentThread().setContextClassLoader(BSFManager.class.getClassLoader());
+
+//            // register any context objects (SCA properties and references)
+//            for (String beanName : context.keySet()) {
+//                bsfManager.registerBean(beanName, context.get(beanName));
+//            }
+
+            // register any context objects (SCA properties and references)
+            for (Map.Entry<String, ObjectFactory> entry : contextObjects.entrySet()) {
+                bsfManager.registerBean(entry.getKey(), entry.getValue().getInstance());
+            }
+
+            String scriptLanguage = BSFManager.getLangFromFilename(resourceName);
+            BSFEngine bsfEngine = bsfManager.loadScriptingEngine(scriptLanguage);
+            bsfEngine.exec(resourceName, 0, 0, scriptSource);
+
+            // if there's a className then get the class object
+            Object clazz = null;
+            if (className != null) {
+                // special case for Ruby which requires a .new call
+                if ("ruby".equals(scriptLanguage)) {
+                    clazz = bsfEngine.eval(null, 1, 1, className + ".new");
+                } else {
+                    clazz = bsfEngine.call(null, className, null);
+                }
+            }
+
+            return new ScriptInstanceImpl(bsfEngine, clazz);
+
+        } catch (BSFException e) {
+            if (e.getTargetException() != null) {
+                throw new ObjectCreationException(e.getTargetException());
+            }
+            throw new ObjectCreationException(e.getTargetException());
+        }
+    }
+
+    public String getResourceName() {
+        return resourceName;
+    }
+
+    public ClassLoader getClassLoader() {
+        return classLoader;
+    }
+
+    protected Map<String, Class> getResponseClasses(List<Class> services) {
+        Map<String, Class> responseClasses = new HashMap<String, Class>();
+        if (services != null) {
+            for (Class s : services) {
+                for (Method m : s.getMethods()) {
+                    responseClasses.put(m.getName(), m.getReturnType());
+                }
+            }
+        }
+        return responseClasses;
+    }
+
+    public void addContextObjectFactory(String name, ObjectFactory<?> factory) {
+        contextObjects.put(name, factory);
+    }
+
+}