diff options
Diffstat (limited to 'sca-java-2.x/trunk/modules/web-javascript-dojo/src/main')
-rw-r--r-- | sca-java-2.x/trunk/modules/web-javascript-dojo/src/main/java/org/apache/tuscany/sca/web/javascript/dojo/DojoWidgetJavascriptProvider.java | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/sca-java-2.x/trunk/modules/web-javascript-dojo/src/main/java/org/apache/tuscany/sca/web/javascript/dojo/DojoWidgetJavascriptProvider.java b/sca-java-2.x/trunk/modules/web-javascript-dojo/src/main/java/org/apache/tuscany/sca/web/javascript/dojo/DojoWidgetJavascriptProvider.java new file mode 100644 index 0000000000..e69c2488ec --- /dev/null +++ b/sca-java-2.x/trunk/modules/web-javascript-dojo/src/main/java/org/apache/tuscany/sca/web/javascript/dojo/DojoWidgetJavascriptProvider.java @@ -0,0 +1,106 @@ +/* + * 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.dojo; + +import java.net.URI; +import java.util.logging.Logger; + +import javax.servlet.Servlet; + +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.host.http.ServletMappingException; +import org.apache.tuscany.sca.implementation.widget.javascript.WidgetImplementationJavascriptProvider; + +public class DojoWidgetJavascriptProvider implements WidgetImplementationJavascriptProvider { + private final static Logger logger = Logger.getLogger(DojoWidgetJavascriptProvider.class.getName()); + + private static final String dojoBaseUri = URI.create("/dojo").toString(); + private static final String dojoUri = URI.create("/dojo/*").toString(); + + private static final String tuscanyBaseUri = URI.create("/tuscany").toString(); + private static final String tuscanyUri = URI.create("/tuscany/*").toString(); + + private static int counter = 0; + + private ServletHost servletHost; + + public DojoWidgetJavascriptProvider(ExtensionPointRegistry registry) { + this.servletHost = ServletHostHelper.getServletHost(registry); + } + + public void start() { + + if (servletHost == null) { + throw new IllegalStateException("Can't find ServletHost reference !"); + } + + Servlet servlet = null; + + servlet = servletHost.getServletMapping(dojoBaseUri); + if(servlet == null) { + try { + DojoResourceServlet baseResourceServlet = new DojoResourceServlet(); + servletHost.addServletMapping(dojoBaseUri, baseResourceServlet); + + DojoResourceServlet resourceServlet = new DojoResourceServlet(); + servletHost.addServletMapping(dojoUri, resourceServlet); + } catch (ServletMappingException me ) { + logger.warning("Dojo already registered at :" + dojoBaseUri); + } + } + + servlet = servletHost.getServletMapping(tuscanyBaseUri); + if(servlet == null) { + try { + DojoResourceServlet baseResourceServlet = new DojoResourceServlet(); + servletHost.addServletMapping(tuscanyBaseUri, baseResourceServlet); + + DojoResourceServlet resourceServlet = new DojoResourceServlet(); + servletHost.addServletMapping(tuscanyUri, resourceServlet); + } catch (ServletMappingException me ) { + logger.warning("Tuscany dojo extensions already registered at :" + tuscanyBaseUri); + } + } + + counter += 1; + logger.info("Registered Dojo and Tuscany Dojo extensions (counter=" + counter + ")"); + } + + public void stop() { + if(counter > 0) { + counter = counter -= 1; + logger.info("Unregistering Dojo and Tuscany Dojo extensions (counter=" + counter + ")"); + } + + Servlet servlet = servletHost.getServletMapping(dojoBaseUri); + if(servlet != null && counter == 0) { + servletHost.removeServletMapping(dojoBaseUri); + servletHost.removeServletMapping(dojoUri); + + servletHost.removeServletMapping(tuscanyBaseUri); + servletHost.removeServletMapping(tuscanyUri); + } + + servletHost = null; + + } +} |