From 132aa8a77685ec92bc90c03f987650d275a7b639 Mon Sep 17 00:00:00 2001 From: lresende Date: Mon, 30 Sep 2013 06:59:11 +0000 Subject: 2.0.1 RC1 release tag git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1527464 13f79535-47bb-0310-9956-ffa450edef68 --- ...ComponentJavaScriptGeneratorExtensionPoint.java | 158 +++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/web-javascript/src/main/java/org/apache/tuscany/sca/web/javascript/DefaultComponentJavaScriptGeneratorExtensionPoint.java (limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/web-javascript/src/main/java/org/apache/tuscany/sca/web/javascript/DefaultComponentJavaScriptGeneratorExtensionPoint.java') diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/web-javascript/src/main/java/org/apache/tuscany/sca/web/javascript/DefaultComponentJavaScriptGeneratorExtensionPoint.java b/sca-java-2.x/tags/2.0.1-RC1/modules/web-javascript/src/main/java/org/apache/tuscany/sca/web/javascript/DefaultComponentJavaScriptGeneratorExtensionPoint.java new file mode 100644 index 0000000000..55326b539e --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/web-javascript/src/main/java/org/apache/tuscany/sca/web/javascript/DefaultComponentJavaScriptGeneratorExtensionPoint.java @@ -0,0 +1,158 @@ +/* + * 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.web.javascript; + +import java.io.IOException; +import java.lang.reflect.Constructor; +import java.util.ArrayList; +import java.util.Collection; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.extensibility.ServiceDeclaration; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.MonitorFactory; + + +/** + * Default extension point for widget component script generator + * + * @version $Rev$ $Date$ + */ +public class DefaultComponentJavaScriptGeneratorExtensionPoint implements ComponentJavaScriptGeneratorExtensionPoint { + private final List generators = new ArrayList(); + private final Map generatorsByQName = new HashMap(); + + private ExtensionPointRegistry extensionPoints; + private Monitor monitor = null; + + private boolean loaded = false; + + public DefaultComponentJavaScriptGeneratorExtensionPoint(ExtensionPointRegistry extensionPoints) { + this.extensionPoints = extensionPoints; + + UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class); + MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class); + if (monitorFactory != null) { + this.monitor = monitorFactory.createMonitor(); + } + } + + /** + * Report a exception. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Exception ex) { + /* + if (monitor != null) { + Problem problem = + monitor.createProblem(this.getClass().getName(), + Messages.RESOURCE_BUNDLE, + Severity.ERROR, + model, + message, + ex); + monitor.problem(problem); + } + */ + } + + public void addComponentJavaScriptGenerator(ComponentJavaScriptGenerator componentScriptGenerator) { + if (componentScriptGenerator.getQName() != null) { + generatorsByQName.put(componentScriptGenerator.getQName(), componentScriptGenerator); + } + + generators.add(componentScriptGenerator); + } + + public void removeComponentJavaScriptGenerator(ComponentJavaScriptGenerator componentScriptGenerator) { + if (componentScriptGenerator.getQName() != null) { + generatorsByQName.remove(componentScriptGenerator.getQName()); + } + + generators.remove(componentScriptGenerator); + } + + + public ComponentJavaScriptGenerator getComponentJavaScriptGenerator(QName bindingName) { + loadFactories(); + return generatorsByQName.get(bindingName); + } + + public List getComponentJavaScriptGenerators() { + loadFactories(); + return this.generators; + } + + /** + * Private Utility methods + */ + + + /** + * Lazily load artifact processors registered in the extension point. + */ + @SuppressWarnings("unchecked") + private synchronized void loadFactories() { + if (loaded) { + return; + } + + // Get the proxy factories declarations + Collection factoryDeclarations = null; + try { + factoryDeclarations = extensionPoints.getServiceDiscovery().getServiceDeclarations(ComponentJavaScriptGenerator.class); + } catch (IOException e) { + IllegalStateException ie = new IllegalStateException(e); + error("IllegalStateException", factoryDeclarations, ie); + throw ie; + } + + for (ServiceDeclaration processorDeclaration : factoryDeclarations) { + // Create a factory, and register it + ComponentJavaScriptGenerator generator = null; + try { + Class generatorClass = processorDeclaration.loadClass(); + + Constructor constructor = generatorClass.getConstructor(ExtensionPointRegistry.class); + generator = constructor.newInstance(extensionPoints); + + } catch (Exception e) { + IllegalStateException ie = new IllegalStateException(e); + error("IllegalStateException", generator, ie); + throw ie; + } + + addComponentJavaScriptGenerator(generator); + } + + loaded = true; + } + + +} -- cgit v1.2.3