1 files changed, 187 insertions, 0 deletions
diff --git a/sandbox/old/contrib/implementation-script/container.jsr223/src/main/java/org/apache/tuscany/extension/script/ScriptComponent.java b/sandbox/old/contrib/implementation-script/container.jsr223/src/main/java/org/apache/tuscany/extension/script/ScriptComponent.java
new file mode 100644
index 0000000000..874e978e77
--- /dev/null
+++ b/sandbox/old/contrib/implementation-script/container.jsr223/src/main/java/org/apache/tuscany/extension/script/ScriptComponent.java
@@ -0,0 +1,187 @@
+/*
+ * 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.extension.script;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.io.StringReader;
+import java.net.URI;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+import javax.script.ScriptException;
+
+import org.apache.tuscany.spi.ObjectCreationException;
+import org.apache.tuscany.spi.ObjectFactory;
+import org.apache.tuscany.spi.component.InstanceWrapper;
+import org.apache.tuscany.spi.component.TargetResolutionException;
+import org.apache.tuscany.spi.component.WorkContext;
+import org.apache.tuscany.spi.extension.AtomicComponentExtension;
+import org.apache.tuscany.spi.model.Operation;
+import org.apache.tuscany.spi.model.physical.PhysicalOperationDefinition;
+import org.apache.tuscany.spi.wire.ProxyService;
+import org.apache.tuscany.spi.wire.TargetInvoker;
+import org.apache.tuscany.spi.wire.Wire;
+
+public class ScriptComponent extends AtomicComponentExtension {
+
+    private ScriptImplementation impl;
+    protected Map<String, List<Wire>> wires = new HashMap<String, List<Wire>>();
+
+    protected ScriptComponent(URI name,
+                              ScriptImplementation implementation,
+                              ProxyService proxyService,
+                              WorkContext workContext,
+                              URI groupId,
+                              int initLevel) {
+        super(name, proxyService, workContext, groupId, initLevel);
+        impl = implementation;
+    }
+
+    public TargetInvoker createTargetInvoker(String targetName, Operation operation) {
+        return new ScriptInvoker(operation.getName(), this, scopeContainer, workContext);
+    }
+
+    @SuppressWarnings("unchecked")
+    public InstanceWrapper<?> createInstanceWrapper() throws ObjectCreationException {
+        try {
+
+            Thread.currentThread().setContextClassLoader(getClass().getClassLoader()); // TODO: classloader?
+
+            ScriptEngineManager manager = new ScriptEngineManager();
+            ScriptEngine engine = manager.getEngineByExtension(impl.getScriptLanguage());
+            if (engine == null) {
+                throw new ObjectCreationException("no script engine found for language: " + impl.getScriptLanguage());
+            }
+
+            Reader reader;
+            if (impl.getInlineSrc() == null) {
+                URL url = impl.getClassLoader().getResource(impl.getScriptName());
+                reader = new InputStreamReader(url.openStream());
+            } else {
+                reader = new StringReader(impl.getInlineSrc());
+            }
+            
+            engine.eval(reader);
+
+            return new InstanceWrapperBase(engine);
+
+        } catch (ScriptException e) {
+            throw new ObjectCreationException(e);
+        } catch (IOException e) {
+            throw new ObjectCreationException(e);
+        }
+    }
+
+    // TODO: move all the rest to SPI extension 
+
+    @Deprecated
+    public Object createInstance() throws ObjectCreationException {
+        throw new UnsupportedOperationException();
+    }
+
+    public Object getAssociatedTargetInstance() throws TargetResolutionException {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    public Object getTargetInstance() throws TargetResolutionException {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    public void attachCallbackWire(Wire wire) {
+        // TODO Auto-generated method stub
+
+    }
+
+    public void attachWire(Wire wire) {
+        assert wire.getSourceUri().getFragment() != null;
+        String referenceName = wire.getSourceUri().getFragment();
+        List<Wire> wireList = wires.get(referenceName);
+        if (wireList == null) {
+            wireList = new ArrayList<Wire>();
+            wires.put(referenceName, wireList);
+        }
+        wireList.add(wire);
+//        Member member = referenceSites.get(referenceName);
+//        if (member != null) {
+//            injectors.add(createInjector(member, wire));
+//        }
+//        // cycle through constructor param names as well
+//        for (int i = 0; i < constructorParamNames.size(); i++) {
+//            if (referenceName.equals(constructorParamNames.get(i))) {
+//                ObjectFactory[] initializerFactories = instanceFactory.getInitializerFactories();
+//                initializerFactories[i] = createWireFactory(constructorParamTypes.get(i), wire);
+//                break;
+//            }
+//        }
+//        //TODO error if ref not set on constructor or ref site
+
+    }
+
+
+    public void attachWires(List<Wire> attachWires) {
+        assert attachWires.size() > 0;
+        assert attachWires.get(0).getSourceUri().getFragment() != null;
+        String referenceName = attachWires.get(0).getSourceUri().getFragment();
+        List<Wire> wireList = wires.get(referenceName);
+        if (wireList == null) {
+            wireList = new ArrayList<Wire>();
+            wires.put(referenceName, wireList);
+        }
+        wireList.addAll(attachWires);
+//        Member member = referenceSites.get(referenceName);
+//        if (member == null) {
+//            if (constructorParamNames.contains(referenceName)) {
+//                // injected on the constructor
+//                throw new UnsupportedOperationException();
+//            } else {
+//                throw new NoAccessorException(referenceName);
+//            }
+//        }
+//
+//        Class<?> type = attachWires.get(0).getSourceContract().getInterfaceClass();
+//        if (type == null) {
+//            throw new NoMultiplicityTypeException("Java interface must be specified for multiplicity", referenceName);
+//        }
+//        injectors.add(createMultiplicityInjector(member, type, wireList));
+
+    }
+
+    public List<Wire> getWires(String name) {
+        return wires.get(name);
+    }
+
+    public TargetInvoker createTargetInvoker(String targetName, PhysicalOperationDefinition operation) {
+        throw new UnsupportedOperationException();
+    }
+
+    protected <B> ObjectFactory<B> createWireFactory(Class<B> interfaze, Wire wire) {
+        return new WireObjectFactory<B>(interfaze, wire, proxyService);
+    }
+
+}