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Diffstat (limited to '')
-rw-r--r-- | branches/sca-android/modules/implementation-script/src/main/java/org/apache/tuscany/sca/implementation/script/ScriptInvokerFactory.java | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/branches/sca-android/modules/implementation-script/src/main/java/org/apache/tuscany/sca/implementation/script/ScriptInvokerFactory.java b/branches/sca-android/modules/implementation-script/src/main/java/org/apache/tuscany/sca/implementation/script/ScriptInvokerFactory.java deleted file mode 100644 index 9359590424..0000000000 --- a/branches/sca-android/modules/implementation-script/src/main/java/org/apache/tuscany/sca/implementation/script/ScriptInvokerFactory.java +++ /dev/null @@ -1,173 +0,0 @@ -/* - * 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.sca.implementation.script; - -import java.io.StringReader; -import java.security.AccessController; -import java.security.PrivilegedAction; - -import javax.script.Invocable; -import javax.script.ScriptEngine; -import javax.script.ScriptEngineManager; -import javax.script.ScriptException; - -import org.apache.axiom.om.OMElement; -import org.apache.bsf.xml.XMLHelper; -import org.apache.tuscany.sca.assembly.ComponentReference; -import org.apache.tuscany.sca.assembly.ComponentType; -import org.apache.tuscany.sca.assembly.Property; -import org.apache.tuscany.sca.assembly.Reference; -import org.apache.tuscany.sca.assembly.Service; -import org.apache.tuscany.sca.core.factory.ObjectCreationException; -import org.apache.tuscany.sca.core.factory.ObjectFactory; -import org.apache.tuscany.sca.extension.helper.InvokerFactory; -import org.apache.tuscany.sca.extension.helper.utils.PropertyValueObjectFactory; -import org.apache.tuscany.sca.implementation.script.engines.TuscanyJRubyScriptEngine; -import org.apache.tuscany.sca.interfacedef.InterfaceContract; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.interfacedef.java.JavaInterface; -import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterfaceContract; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.runtime.RuntimeComponent; - -/** - * - * @version $Rev$ $Date$ - */ -public class ScriptInvokerFactory implements InvokerFactory { - - protected ScriptEngine scriptEngine; - protected XMLHelper xmlHelper; - - protected RuntimeComponent rc; - protected ComponentType ct; - protected ScriptImplementation implementation; - protected PropertyValueObjectFactory propertyFactory; - - - /** - * @param rc - * @param ct - * @param implementation - * @param propertyFactory - */ - public ScriptInvokerFactory(RuntimeComponent rc, - ComponentType ct, - ScriptImplementation implementation, - PropertyValueObjectFactory propertyFactory) { - super(); - this.rc = rc; - this.ct = ct; - this.implementation = implementation; - this.propertyFactory = propertyFactory; - } - - public Invoker createInvoker(Operation operation) { - init(rc, ct, implementation, propertyFactory); - return new ScriptInvoker(scriptEngine, xmlHelper, operation); - } - - protected synchronized void init(RuntimeComponent rc, ComponentType ct, ScriptImplementation implementation, PropertyValueObjectFactory propertyFactory) { - if(scriptEngine!=null) { - return; - } - try { - scriptEngine = getScriptEngineByExtension(implementation.getScriptLanguage()); - if (scriptEngine == null) { - throw new ObjectCreationException("no script engine found for language: " + implementation.getScriptLanguage()); - } - if (!(scriptEngine instanceof Invocable)) { - throw new ObjectCreationException("script engine does not support Invocable: " + scriptEngine); - } - - for (Reference reference : ct.getReferences()) { - scriptEngine.put(reference.getName(), createReferenceProxy(reference.getName(), rc)); - } - - for (Property property : ct.getProperties()) { - ObjectFactory<?> propertyValueFactory = propertyFactory.createValueFactory(property); - if ( propertyValueFactory != null) { - scriptEngine.put(property.getName(), propertyValueFactory.getInstance()); - } - } - - scriptEngine.eval(new StringReader(implementation.getScriptSrc())); - - } catch (ScriptException e) { - throw new ObjectCreationException(e); - } - - // set the databinding and XMLHelper for WSDL interfaces - for (Service service : rc.getServices()) { - InterfaceContract ic = service.getInterfaceContract(); - if (ic instanceof WSDLInterfaceContract) { - // Set to use the Axiom data binding - ic.getInterface().resetDataBinding(OMElement.class.getName()); - xmlHelper = XMLHelper.getArgHelper(scriptEngine); - } - } - } - - /** - * TODO: RuntimeComponent should provide a method like this - */ - @SuppressWarnings("unchecked") - protected Object createReferenceProxy(String name, RuntimeComponent component) { - for (ComponentReference reference : component.getReferences()) { - if (reference.getName().equals(name)) { - Class iface = ((JavaInterface)reference.getInterfaceContract().getInterface()).getJavaClass(); - return component.getComponentContext().getService(iface, name); - } - } - throw new IllegalArgumentException("reference " + name + " not found on component: " + component); - } - - /** - * Hack for now to work around a problem with the JRuby script engine - */ - protected ScriptEngine getScriptEngineByExtension(String scriptExtn) { - if ("rb".equals(scriptExtn)) { - return new TuscanyJRubyScriptEngine(); - } else { - if ("py".equals(scriptExtn)) { - pythonCachedir(); - } - // Allow privileged access to run access classes. Requires RuntimePermission - // for accessClassInPackage.sun.misc. - ScriptEngineManager scriptEngineManager = - AccessController.doPrivileged(new PrivilegedAction<ScriptEngineManager>() { - public ScriptEngineManager run() { - return new ScriptEngineManager(); - } - }); - return scriptEngineManager.getEngineByExtension(scriptExtn); - } - } - - /** - * If the Python home isn't set then let Tuscany suppress messages other than errors - * See TUSCANY-1950 - */ - protected void pythonCachedir() { - if (System.getProperty("python.home") == null) { - System.setProperty("python.verbose", "error"); - } - } -} |