1 files changed, 116 insertions, 0 deletions
diff --git a/sandbox/ant/container.python/src/main/java/org/apache/tuscany/container/python/PythonScript.java b/sandbox/ant/container.python/src/main/java/org/apache/tuscany/container/python/PythonScript.java
new file mode 100644
index 0000000000..1eab532582
--- /dev/null
+++ b/sandbox/ant/container.python/src/main/java/org/apache/tuscany/container/python/PythonScript.java
@@ -0,0 +1,116 @@
+/*
+ * 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.python;
+
+import java.util.Map;
+
+import org.python.core.Py;
+import org.python.core.PyObject;
+import org.python.core.PySystemState;
+import org.python.util.PythonInterpreter;
+
+/**
+ * JythonScript represents a compiled Jython script
+ */
+public class PythonScript {
+
+    protected String moduleName;
+
+    protected String className;
+
+    protected String script;
+
+    protected Class iface;
+
+    protected ClassLoader classLoader;
+
+    private PyObject pythonClass;
+
+    /**
+     * Create a new RhinoInvoker.
+     * 
+     * @param scriptName
+     *            the name of the script. Can be anything, only used in messages to identify the script
+     * @param script
+     *            the complete script
+     * @param context
+     *            name-value pairs that are added in to the scope where the script is compiled. May be null. The value objects are made available to
+     *            the script by using a variable with the name.
+     * @param classLoader
+     *            the ClassLoader Rhino should use to locate any user Java classes used in the script
+     */
+    public PythonScript(String moduleName, String className, String script, ClassLoader classLoader) {
+        this.moduleName = moduleName;
+        this.className = className;
+        this.script = script;
+        this.classLoader = classLoader;
+
+    }
+
+    private void initScript(String moduleName, String className, String script) {
+        PythonInterpreter interpreter = new PythonInterpreter();
+        PySystemState sys = Py.getSystemState();
+        PySystemState.add_package(iface.getPackage().getName(), null);
+        sys.setClassLoader(classLoader);
+        interpreter.exec(script);
+
+        pythonClass = interpreter.get(className);
+        if (pythonClass == null) {
+            throw new RuntimeException("No callable (class or function) " + "named " + className + " in " + moduleName);
+        }
+    }
+
+    /**
+     * Create a new invokeable instance of the script
+     * 
+     * @param context
+     *            objects to add to scope of the script instance
+     * @return a RhinoScriptInstance
+     */
+    public Object createInstance(Map<String, Object> context) {
+        initScript(moduleName, className, script);
+
+        PyObject instance = pythonClass.__call__();
+        Object o = instance.__tojava__(iface);
+        if (o == Py.NoConversion) {
+            throw new RuntimeException("The value from " + className + " must extend " + iface.getName());
+        }
+        return o;
+    }
+
+    public String getModuleName() {
+        return moduleName;
+    }
+
+    public String getClassName() {
+        return className;
+    }
+
+    public String getScript() {
+        return script;
+    }
+
+    public ClassLoader getClassLoader() {
+        return classLoader;
+    }
+
+    public void setServiceInterface(Class iface) {
+        this.iface = iface;
+    }
+}