From 4b3149233be777a531417eb0ca6bafff0483fa1c Mon Sep 17 00:00:00 2001 From: kelvingoodson Date: Thu, 27 May 2010 12:19:53 +0000 Subject: Branch for 2.0 Milestone M5 git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@948800 13f79535-47bb-0310-9956-ffa450edef68 --- .../provider/WidgetComponentScriptServlet.java | 62 +++++++++ .../provider/WidgetImplementationInvoker.java | 101 +++++++++++++++ .../provider/WidgetImplementationProvider.java | 144 +++++++++++++++++++++ .../WidgetImplementationProviderFactory.java | 58 +++++++++ 4 files changed, 365 insertions(+) create mode 100644 sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetComponentScriptServlet.java create mode 100644 sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationInvoker.java create mode 100644 sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java create mode 100644 sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProviderFactory.java (limited to 'sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org') diff --git a/sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetComponentScriptServlet.java b/sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetComponentScriptServlet.java new file mode 100644 index 0000000000..a28e014b2e --- /dev/null +++ b/sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetComponentScriptServlet.java @@ -0,0 +1,62 @@ +/* + * 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.IOException; +import java.io.PrintWriter; + +import javax.servlet.ServletOutputStream; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.web.javascript.ComponentJavaScriptGenerator; + + +/** + * Servlet to handle requests for the widget component .js script. + * + * @version $Rev$ $Date$ + */ +public class WidgetComponentScriptServlet extends HttpServlet { + private static final long serialVersionUID = 2454705532282398190L; + + private transient ComponentJavaScriptGenerator javaScriptgenerator; + private transient RuntimeComponent component; + + + /** + * Constructor receiving the runtimeComponent reference that is going to be used to generate the widget client js + * @param component + */ + public WidgetComponentScriptServlet(RuntimeComponent component, ComponentJavaScriptGenerator javaScriptgenerator) { + this.component = component; + this.javaScriptgenerator = javaScriptgenerator; + } + + @Override + public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException { + ServletOutputStream os = response.getOutputStream(); + PrintWriter pw = new PrintWriter(os); + + javaScriptgenerator.generateJavaScriptCode(component, pw); + } +} diff --git a/sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationInvoker.java b/sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationInvoker.java new file mode 100644 index 0000000000..28a1f6d1db --- /dev/null +++ b/sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationInvoker.java @@ -0,0 +1,101 @@ +/* + * 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.URL; + +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.web.javascript.ComponentJavaScriptGenerator; + + +/** + * Implements an invoker for resource component implementations. + * + * @version $Rev$ $Date$ + */ +class WidgetImplementationInvoker implements Invoker { + private RuntimeComponent component; + private ComponentJavaScriptGenerator javaScriptGenerator; + private String widgetName; + private String widgetFolderURL; + private String widgetLocationURL; + + WidgetImplementationInvoker(RuntimeComponent component, ComponentJavaScriptGenerator javaScriptGenerator, String widgetName, String widgetFolderURL, String widgetLocationURL) { + this.component = component; + this.javaScriptGenerator = javaScriptGenerator; + 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 + ByteArrayOutputStream bos = new ByteArrayOutputStream(); + PrintWriter pw = new PrintWriter(bos); + + javaScriptGenerator.generateJavaScriptCode(component, pw); + + InputStream is = new ByteArrayInputStream(bos.toByteArray()); + + 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; + } +} diff --git a/sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java b/sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java new file mode 100644 index 0000000000..96b1561d5c --- /dev/null +++ b/sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java @@ -0,0 +1,144 @@ +/* + * 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.net.URI; + +import javax.servlet.Servlet; +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.assembly.Base; +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.assembly.ComponentService; +import org.apache.tuscany.sca.host.http.ServletHost; +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; +import org.apache.tuscany.sca.web.javascript.ComponentJavaScriptGenerator; + + +/** + * The model representing a resource implementation in an SCA assembly model. + * + * @version $Rev$ $Date$ + */ +class WidgetImplementationProvider implements ImplementationProvider { + private static final QName BINDING_HTTP = new QName(Base.SCA11_TUSCANY_NS, "binding.http"); + + private RuntimeComponent component; + + private ComponentJavaScriptGenerator javaScriptGenerator; + private ServletHost servletHost; + + private String widgetLocationURL; + private String widgetFolderURL; + private String widgetName; + + private String scriptURI; + + /** + * Constructs a new resource implementation provider. + */ + WidgetImplementationProvider(RuntimeComponent component, + WidgetImplementation implementation, + ComponentJavaScriptGenerator javaScriptGenerator, + ServletHost servletHost) { + this.component = component; + + this.javaScriptGenerator = javaScriptGenerator; + this.servletHost = servletHost; + + 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, javaScriptGenerator, widgetName, widgetFolderURL, widgetLocationURL); + return invoker; + } + + public boolean supportsOneWayInvocation() { + return false; + } + + public void start() { + String baseURI = getBaseURI(); + + // get the ScaDomainScriptServlet, if it doesn't yet exist create one + // this uses removeServletMapping / addServletMapping as there is no getServletMapping facility + scriptURI = URI.create(baseURI + "/" + this.widgetName + ".js").toString(); + Servlet servlet = servletHost.getServletMapping(scriptURI); + if (servlet == null /*|| servlet instanceof HTTPGetListenerServlet*/) { + WidgetComponentScriptServlet widgetScriptServlet; + widgetScriptServlet = new WidgetComponentScriptServlet(this.component, javaScriptGenerator); + servletHost.addServletMapping(scriptURI, widgetScriptServlet); + } + } + + public void stop() { + // Unregister the component client script Servlet + WidgetComponentScriptServlet widgetScriptServlet = (WidgetComponentScriptServlet) servletHost.getServletMapping(scriptURI); + if (widgetScriptServlet != null) { + // Remove the Servlet mapping + servletHost.removeServletMapping(scriptURI); + } + } + + + /** + * Get the contextRoot considering the HTTP Binding URI when in a embedded environment + * @return + */ + private String getBaseURI() { + String baseURI = null; + String contextPath = "/"; + if (servletHost != null) { + contextPath = servletHost.getContextPath(); + } + if (!contextPath.endsWith("/")) { + contextPath = contextPath + "/"; + } + + ComponentService service = component.getService("Widget"); + if (service != null) { + for (Binding binding : service.getBindings()) { + if (binding.getType().equals(BINDING_HTTP)) { + String bindingURI = binding.getURI(); + URI uri = URI.create(bindingURI); + if (uri.isAbsolute()) { + return bindingURI; + } + if (bindingURI.startsWith("/")) { + bindingURI = bindingURI.substring(1); + } + baseURI = contextPath + bindingURI; + } + } + } + + return baseURI == null ? "" : baseURI; + } + +} diff --git a/sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProviderFactory.java b/sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProviderFactory.java new file mode 100644 index 0000000000..dddc0a41ed --- /dev/null +++ b/sca-java-2.x/branches/sca-java-2.0-M5/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProviderFactory.java @@ -0,0 +1,58 @@ +/* + * 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.host.http.ServletHost; +import org.apache.tuscany.sca.host.http.ServletHostHelper; +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; +import org.apache.tuscany.sca.web.javascript.ComponentJavaScriptGenerator; +import org.apache.tuscany.sca.web.javascript.ComponentJavaScriptGeneratorExtensionPoint; + +/** + * The model representing a resource implementation in an SCA assembly model. + * + * @version $Rev$ $Date$ + */ +public class WidgetImplementationProviderFactory implements ImplementationProviderFactory { + private ServletHost servletHost; + private ComponentJavaScriptGenerator javaScriptGenerator; + + /** + * Constructs a resource implementation. + */ + public WidgetImplementationProviderFactory(ExtensionPointRegistry extensionPoints) { + this.servletHost = ServletHostHelper.getServletHost(extensionPoints); + + ComponentJavaScriptGeneratorExtensionPoint javascriptGeneratorExtensionPoint = extensionPoints.getExtensionPoint(ComponentJavaScriptGeneratorExtensionPoint.class); + javaScriptGenerator = javascriptGeneratorExtensionPoint.getComponentJavaScriptGenerators().get(0); + + } + + public ImplementationProvider createImplementationProvider(RuntimeComponent component, WidgetImplementation implementation) { + return new WidgetImplementationProvider(component, implementation, javaScriptGenerator, servletHost); + } + + public Class getModelType() { + return WidgetImplementation.class; + } +} -- cgit v1.2.3