diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/implementation-widget-runtime/src/main/java/org/apache')
4 files changed, 428 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetComponentScriptServlet.java b/sca-java-2.x/tags/2.0.1-RC1/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/tags/2.0.1-RC1/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/tags/2.0.1-RC1/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationInvoker.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationInvoker.java new file mode 100644 index 0000000000..394f12c8b1 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationInvoker.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.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.io.PrintWriter; +import java.io.UnsupportedEncodingException; +import java.net.MalformedURLException; +import java.net.URL; +import java.net.URLDecoder; + +import javax.servlet.http.HttpServletRequest; + +import org.apache.tuscany.sca.common.http.HTTPContext; +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) { + HTTPContext bindingContext = (HTTPContext) msg.getBindingContext(); + HttpServletRequest request = bindingContext.getHttpRequest(); + + + // Get the request path + String pathInfo = request.getPathInfo(); + String path = null; + + if(pathInfo != null) { + try { + path = URLDecoder.decode(pathInfo, "UTF-8"); + } catch (UnsupportedEncodingException uee) { + //ignore for now + } + } + + // Get the resource id from the request message + String id = path == null ? "" : path.substring(1); + 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); + writeResponse(bindingContext, url.openStream()); + + } 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); + writeResponse(bindingContext, 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); + writeResponse(bindingContext, 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; + } + + /** + * Write the widget response to the http response outputstream + * @param bindingContext + * @param is + * @throws IOException + */ + private static void writeResponse(HTTPContext bindingContext, InputStream is) throws IOException { + OutputStream os = bindingContext.getHttpResponse().getOutputStream(); + byte[] buffer = new byte[2048]; + for (;;) { + int n = is.read(buffer); + if (n <= 0) + break; + os.write(buffer, 0, n); + } + os.flush(); + os.close(); + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java new file mode 100644 index 0000000000..28f041b919 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProvider.java @@ -0,0 +1,157 @@ +/* + * 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.implementation.widget.javascript.WidgetImplementationJavascriptProvider; +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 WidgetImplementationJavascriptProvider javascriptProvider; + 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, + WidgetImplementationJavascriptProvider javascriptProvider, + 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(); + + // 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); + } + + // If added to the class path, start dojo provider + if(javascriptProvider != null) { + javascriptProvider.start(); + } + + } + + 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); + } + + if(javascriptProvider != null) { + javascriptProvider.stop(); + } + } + + + /** + * 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/tags/2.0.1-RC1/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProviderFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProviderFactory.java new file mode 100644 index 0000000000..9c140f0913 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-widget-runtime/src/main/java/org/apache/tuscany/sca/implementation/widget/provider/WidgetImplementationProviderFactory.java @@ -0,0 +1,65 @@ +/* + * 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.core.UtilityExtensionPoint; +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.implementation.widget.javascript.WidgetImplementationJavascriptProvider; +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<WidgetImplementation> { + private ServletHost servletHost; + + private WidgetImplementationJavascriptProvider javascriptProvider; + private ComponentJavaScriptGenerator javascriptGenerator; + + /** + * Constructs a resource implementation. + */ + public WidgetImplementationProviderFactory(ExtensionPointRegistry registry) { + this.servletHost = ServletHostHelper.getServletHost(registry); + + UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class); + javascriptProvider = utilities.getUtility(WidgetImplementationJavascriptProvider.class); + + ComponentJavaScriptGeneratorExtensionPoint javascriptGeneratorExtensionPoint = registry.getExtensionPoint(ComponentJavaScriptGeneratorExtensionPoint.class); + javascriptGenerator = javascriptGeneratorExtensionPoint.getComponentJavaScriptGenerators().get(0); + + } + + public ImplementationProvider createImplementationProvider(RuntimeComponent component, WidgetImplementation implementation) { + return new WidgetImplementationProvider(component, implementation, javascriptProvider, javascriptGenerator, servletHost); + } + + public Class<WidgetImplementation> getModelType() { + return WidgetImplementation.class; + } +} |