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-rw-r--r--branches/sca-java-1.x/modules/implementation-widget-runtime-dojo/src/main/java/org/apache/tuscany/sca/implementation/widget/dojo/DojoJavaScriptComponentGeneratorImpl.java206
1 files changed, 206 insertions, 0 deletions
diff --git a/branches/sca-java-1.x/modules/implementation-widget-runtime-dojo/src/main/java/org/apache/tuscany/sca/implementation/widget/dojo/DojoJavaScriptComponentGeneratorImpl.java b/branches/sca-java-1.x/modules/implementation-widget-runtime-dojo/src/main/java/org/apache/tuscany/sca/implementation/widget/dojo/DojoJavaScriptComponentGeneratorImpl.java
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index 0000000000..275794e8e8
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+++ b/branches/sca-java-1.x/modules/implementation-widget-runtime-dojo/src/main/java/org/apache/tuscany/sca/implementation/widget/dojo/DojoJavaScriptComponentGeneratorImpl.java
@@ -0,0 +1,206 @@
+/*
+ * 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.widget.dojo;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.PrintWriter;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.ComponentProperty;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.web.ComponentJavaScriptGenerator;
+import org.apache.tuscany.sca.core.web.JavascriptProxyFactory;
+import org.apache.tuscany.sca.core.web.JavascriptProxyFactoryExtensionPoint;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+public class DojoJavaScriptComponentGeneratorImpl implements ComponentJavaScriptGenerator {
+ private static final QName NAME = new QName("http://tuscany.apache.org/xmlns/sca/1.0", "component.script.generator.dojo");
+
+ private JavascriptProxyFactoryExtensionPoint javascriptProxyFactories;
+
+ public DojoJavaScriptComponentGeneratorImpl(ExtensionPointRegistry extensionPoints) {
+ this.javascriptProxyFactories = extensionPoints.getExtensionPoint(JavascriptProxyFactoryExtensionPoint.class);
+ }
+
+ public QName getQName() {
+ return NAME;
+ }
+
+ public void generateJavaScriptCode(RuntimeComponent component, PrintWriter pw) throws IOException {
+ pw.println();
+ pw.println("/* Apache Tuscany SCA Widget header */");
+ pw.println();
+
+ Map<String, Boolean> bindingClientProcessed = new HashMap<String, Boolean>();
+
+ for(ComponentReference reference : component.getReferences()) {
+ for(Binding binding : reference.getBindings()) {
+ JavascriptProxyFactory jsProxyFactory = javascriptProxyFactories.getProxyFactory(binding.getClass());
+
+ String bindingProxyName = jsProxyFactory.getJavascriptProxyFile();
+ //check if binding client code was already processed and inject to the generated script
+ if(bindingProxyName != null) {
+ Boolean processedFlag = bindingClientProcessed.get(bindingProxyName);
+ if( processedFlag == null || processedFlag.booleanValue() == false) {
+ generateJavaScriptBindingProxy(jsProxyFactory, pw);
+ bindingClientProcessed.put(bindingProxyName, Boolean.TRUE);
+ }
+ }
+
+ }
+ }
+
+ //pw.println("dojo.require(\"/dojo.rpc.JsonService\");");
+ //pw.println("dojo.require(\"/tuscany.AtomService\");");
+
+ pw.println();
+ pw.println("/* Tuscany Reference/Property injection code */");
+ pw.println();
+
+
+ //define tuscany.sca namespace
+ generateJavaScriptNamespace(pw);
+
+ pw.println();
+
+ //process properties
+ generateJavaScriptPropertyFunction(component, pw);
+
+ pw.println();
+
+ //process references
+ generateJavaScriptReferenceFunction(component, javascriptProxyFactories,pw);
+
+
+ pw.println();
+ pw.println("/** End of Apache Tuscany SCA Widget */");
+ pw.println();
+ pw.flush();
+ pw.close();
+ }
+
+
+ /**
+ * Retrieve the binding proxy based on the bind name
+ * and embedded the JavaScript into this js
+ */
+ private static void generateJavaScriptBindingProxy(JavascriptProxyFactory javascriptProxyFactory, PrintWriter pw) throws IOException {
+ InputStream is = javascriptProxyFactory.getJavascriptProxyFileAsStream();
+ if (is != null) {
+ int i;
+ while ((i = is.read()) != -1) {
+ pw.write(i);
+ }
+ }
+
+ pw.println();
+ pw.println();
+ }
+
+ /**
+ * Generate the tuscany.sca namespace if not yet available
+ * @param pw
+ * @throws IOException
+ */
+ private static void generateJavaScriptNamespace(PrintWriter pw) throws IOException {
+ pw.println("if (!tuscany) { \n" +
+ "var tuscany = {}; \n" +
+ "}");
+ pw.println("if (!tuscany.sca) { \n" +
+ "tuscany.sca = {}; \n" +
+ "}");
+ }
+
+ /**
+ * Generate JavaScript code to inject SCA Properties
+ * @param pw
+ * @throws IOException
+ */
+ private static void generateJavaScriptPropertyFunction(RuntimeComponent component, PrintWriter pw) throws IOException {
+ pw.println("tuscany.sca.propertyMap = new String();");
+ for(ComponentProperty property : component.getProperties()) {
+ String propertyName = property.getName();
+
+ pw.println("tuscany.sca.propertyMap." + propertyName + " = \"" + getPropertyValue(property) + "\"");
+ }
+
+ pw.println("tuscany.sca.Property = function (name) {");
+ pw.println(" return tuscany.sca.propertyMap[name];");
+ pw.println("}");
+ }
+
+ /**
+ * Convert property value to String
+ * @param property
+ * @return
+ */
+ private static String getPropertyValue(ComponentProperty property) {
+ Document doc = (Document)property.getValue();
+ Element rootElement = doc.getDocumentElement();
+
+ String value = null;
+
+ //FIXME : Provide support for isMany and other property types
+
+ if (rootElement.getChildNodes().getLength() > 0) {
+ value = rootElement.getChildNodes().item(0).getTextContent();
+ }
+
+ return value;
+ }
+
+
+
+ /**
+ * Generate JavaScript code to inject SCA References
+ * @param pw
+ * @throws IOException
+ */
+ private static void generateJavaScriptReferenceFunction (RuntimeComponent component, JavascriptProxyFactoryExtensionPoint javascriptProxyFactories, PrintWriter pw) throws IOException {
+
+ pw.println("tuscany.sca.referenceMap = new Object();");
+ for(ComponentReference reference : component.getReferences()) {
+ Binding binding = reference.getBindings().get(0);
+
+ if (binding != null) {
+
+ String referenceName = reference.getName();
+ JavascriptProxyFactory jsProxyFactory = javascriptProxyFactories.getProxyFactory(binding.getClass());
+
+ pw.println("tuscany.sca.referenceMap." + referenceName + " = new " + jsProxyFactory.createJavascriptReference(reference) + ";");
+
+ }
+ }
+
+ pw.println("tuscany.sca.Reference = function (name) {");
+ pw.println(" return tuscany.sca.referenceMap[name];");
+ pw.println("}");
+ }
+
+
+}