summaryrefslogtreecommitdiffstats
path: root/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider
diff options
context:
space:
mode:
Diffstat (limited to 'sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider')
-rw-r--r--sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationInvoker.java240
-rw-r--r--sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java67
-rw-r--r--sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProviderFactory.java47
-rw-r--r--sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetProxyHelper.java51
4 files changed, 405 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationInvoker.java b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationInvoker.java
new file mode 100644
index 0000000000..6ea37321e7
--- /dev/null
+++ b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationInvoker.java
@@ -0,0 +1,240 @@
+/*
+ * 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.provider;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.PrintWriter;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URL;
+
+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.assembly.OptimizableBinding;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+
+/**
+ * Implements an invoker for resource component implementations.
+ *
+ * @version $Rev$ $Date$
+ */
+class WidgetImplementationInvoker implements Invoker {
+ private RuntimeComponent component;
+ private String widgetName;
+ private String widgetFolderURL;
+ private String widgetLocationURL;
+
+ WidgetImplementationInvoker(RuntimeComponent component, String widgetName, String widgetFolderURL, String widgetLocationURL) {
+ this.component = component;
+ this.widgetName = widgetName + ".js";
+ this.widgetFolderURL = widgetFolderURL;
+ this.widgetLocationURL = widgetLocationURL;
+ }
+
+ public Message invoke(Message msg) {
+
+ // Get the resource id from the request message
+ String id = (String)((Object[])msg.getBody())[0];
+ try {
+
+ if (id.length() == 0) {
+
+ // Return an input stream for the widget resource
+ URL url = new URL(widgetLocationURL);
+ InputStream is = url.openStream();
+ msg.setBody(is);
+
+ } else if (id.equals(widgetName)) {
+
+ // Generate JavaScript header for use in the Widget
+ InputStream is = generateWidgetCode();
+ msg.setBody(is);
+
+ } else {
+
+ // Return an input stream for a resource inside the
+ // widget folder
+ URL url = new URL(widgetFolderURL +'/' + id);
+ InputStream is = url.openStream();
+ msg.setBody(is);
+ }
+ } catch (MalformedURLException e) {
+
+ // Report exception as a fault
+ msg.setFaultBody(e);
+ } catch (IOException e) {
+
+ // Report exception as a fault
+ msg.setFaultBody(e);
+ }
+ return msg;
+ }
+
+ /**
+ * This helper class concatenates the necessary JavaScript client code into a
+ * single JavaScript per component
+ */
+ private InputStream generateWidgetCode() throws IOException {
+ ByteArrayOutputStream bos = new ByteArrayOutputStream();
+ PrintWriter pw = new PrintWriter(bos);
+
+ pw.println();
+ pw.println("/* Apache Tuscany SCA Widget header */");
+ pw.println();
+
+ for(ComponentReference reference : component.getReferences()) {
+ for(Binding binding : reference.getBindings()) {
+ String bindingProxyName = WidgetProxyHelper.getJavaScriptProxyFile(binding.getClass().getName());
+ if(bindingProxyName != null) {
+ generateJavaScriptBindingProxy(pw,bindingProxyName);
+ }
+ }
+ }
+
+ //process properties
+ generateJavaScriptPropertyFunction(pw);
+
+ //process references
+ generateJavaScriptReferenceFunction(pw);
+
+
+ pw.println();
+ pw.println("/** End of Apache Tuscany SCA Widget */");
+ pw.println();
+ pw.flush();
+ pw.close();
+
+ return new ByteArrayInputStream(bos.toByteArray());
+ }
+
+ /**
+ * Retrieve the binding proxy based on the bind name
+ * and embedded the JavaScript into this js
+ */
+ private void generateJavaScriptBindingProxy(PrintWriter pw, String bindingProxyName) throws IOException {
+ //FIXME: Handle the case where the JavaScript binding client is not found
+ InputStream is = getClass().getClassLoader().getResourceAsStream(bindingProxyName);
+ if (is != null) {
+ int i;
+ while ((i = is.read()) != -1) {
+ pw.write(i);
+ }
+ }
+
+ pw.println();
+ pw.println();
+ }
+
+ /**
+ * Generate JavaScript code to inject SCA Properties
+ * @param pw
+ * @throws IOException
+ */
+ private void generateJavaScriptPropertyFunction(PrintWriter pw) throws IOException {
+
+ pw.println("var propertyMap = new String();");
+ for(ComponentProperty property : component.getProperties()) {
+ String propertyName = property.getName();
+
+ pw.println("propertyMap." + propertyName + " = \"" + getPropertyValue(property) + "\"");
+ }
+
+ pw.println("function Property(name) {");
+ pw.println(" return propertyMap[name];");
+ pw.println("}");
+ }
+
+ /**
+ * Convert property value to String
+ * @param property
+ * @return
+ */
+ private 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 void generateJavaScriptReferenceFunction (PrintWriter pw) throws IOException {
+
+ pw.println("var referenceMap = new Object();");
+ for(ComponentReference reference : component.getReferences()) {
+ String referenceName = reference.getName();
+ Binding binding = reference.getBindings().get(0);
+ if (binding != null) {
+
+ String proxyClient = WidgetProxyHelper.getJavaScriptProxyClient(binding.getClass().getName());
+ if(proxyClient != null) {
+
+ //FIXME Eventually the binding URI should be initialized from the SCA domain
+ // for now point to the target binding model directly, assuming that it's available
+ // in the same node
+ String targetURI = null;
+ if (binding instanceof OptimizableBinding) {
+ Binding targetBinding = ((OptimizableBinding)binding).getTargetBinding();
+ if (targetBinding != null) {
+ targetURI = URI.create(targetBinding.getURI()).getPath();
+ }
+ }
+ if (targetURI == null) {
+ targetURI = URI.create(binding.getURI()).getPath();
+ if (!targetURI.startsWith("/")) {
+ targetURI = "/" + targetURI;
+ }
+ }
+
+ if(proxyClient.equals("JSONRpcClient")) {
+ pw.println("referenceMap." + referenceName + " = new " + proxyClient + "(\"" + targetURI + "\").Service;");
+ } else {
+ pw.println("referenceMap." + referenceName + " = new " + proxyClient + "(\"" + targetURI + "\");");
+ }
+ }
+ }
+ }
+
+ pw.println("function Reference(name) {");
+ pw.println(" return referenceMap[name];");
+ pw.println("}");
+ }
+
+}
diff --git a/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java
new file mode 100644
index 0000000000..61176d912c
--- /dev/null
+++ b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java
@@ -0,0 +1,67 @@
+/*
+ * 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.provider;
+
+import org.apache.tuscany.sca.implementation.widget.WidgetImplementation;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+
+/**
+ * The model representing a resource implementation in an SCA assembly model.
+ *
+ * @version $Rev$ $Date$
+ */
+class WidgetImplementationProvider implements ImplementationProvider {
+ private RuntimeComponent component;
+ private String widgetLocationURL;
+ private String widgetFolderURL;
+ private String widgetName;
+
+ /**
+ * Constructs a new resource implementation provider.
+ */
+ WidgetImplementationProvider(RuntimeComponent component, WidgetImplementation implementation) {
+ this.component = component;
+ widgetLocationURL = implementation.getLocationURL().toString();
+ int s = widgetLocationURL.lastIndexOf('/');
+ widgetFolderURL = widgetLocationURL.substring(0, s);
+ widgetName = widgetLocationURL.substring(s +1);
+ widgetName = widgetName.substring(0, widgetName.lastIndexOf('.'));
+ }
+
+ public Invoker createInvoker(RuntimeComponentService service, Operation operation) {
+ WidgetImplementationInvoker invoker = new WidgetImplementationInvoker(component, widgetName, widgetFolderURL, widgetLocationURL);
+ return invoker;
+ }
+
+ public boolean supportsOneWayInvocation() {
+ return false;
+ }
+
+ public void start() {
+ }
+
+ public void stop() {
+ }
+
+}
diff --git a/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProviderFactory.java b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProviderFactory.java
new file mode 100644
index 0000000000..c57680fa1c
--- /dev/null
+++ b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProviderFactory.java
@@ -0,0 +1,47 @@
+/*
+ * 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.provider;
+
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.implementation.widget.WidgetImplementation;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.provider.ImplementationProviderFactory;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * The model representing a resource implementation in an SCA assembly model.
+ *
+ * @version $Rev$ $Date$
+ */
+public class WidgetImplementationProviderFactory implements ImplementationProviderFactory<WidgetImplementation> {
+
+ /**
+ * Constructs a resource implementation.
+ */
+ public WidgetImplementationProviderFactory(ExtensionPointRegistry extensionPoints) {
+ }
+
+ public ImplementationProvider createImplementationProvider(RuntimeComponent component, WidgetImplementation implementation) {
+ return new WidgetImplementationProvider(component, implementation);
+ }
+
+ public Class<WidgetImplementation> getModelType() {
+ return WidgetImplementation.class;
+ }
+}
diff --git a/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetProxyHelper.java b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetProxyHelper.java
new file mode 100644
index 0000000000..5a0146a749
--- /dev/null
+++ b/sandbox/sebastien/java/sca-node/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetProxyHelper.java
@@ -0,0 +1,51 @@
+/*
+ * 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.provider;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+class WidgetProxyHelper {
+ private static Map<String, String> proxyFileRegistry = new HashMap<String, String>();
+ private static Map<String, String> proxyClient = new HashMap<String, String>();
+
+ static {
+ proxyFileRegistry.put("org.apache.tuscany.sca.binding.atom.impl.AtomBindingImpl", "binding-atom.js");
+ proxyClient.put("org.apache.tuscany.sca.binding.atom.impl.AtomBindingImpl", "AtomClient");
+
+ proxyFileRegistry.put("org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBinding", "binding-jsonrpc.js");
+ proxyClient.put("org.apache.tuscany.sca.binding.jsonrpc.JSONRPCBinding", "JSONRpcClient");
+
+ proxyFileRegistry.put("org.apache.tuscany.sca.binding.http.impl.HTTPBindingImpl", "binding-http.js");
+ proxyClient.put("org.apache.tuscany.sca.binding.http.impl.HTTPBindingImpl", "HTTPClient");
+ }
+
+ static String getJavaScriptProxyFile(String bindingClass) {
+ return proxyFileRegistry.get(bindingClass);
+ }
+
+ static String getJavaScriptProxyClient(String bindingClass) {
+ return proxyClient.get(bindingClass);
+ }
+}