1 files changed, 57 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6.1-TUSCANY-3909/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/HotUpdateContextListener.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/HotUpdateContextListener.java
new file mode 100644
index 0000000000..d7ff73e31f
--- /dev/null
+++ b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/HotUpdateContextListener.java
@@ -0,0 +1,57 @@
+/*
+ * 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.host.webapp;
+
+import java.io.File;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletContextEvent;
+
+import org.apache.tuscany.sca.host.embedded.impl.HotUpdatableSCADomain;
+
+/**
+ * A WebApp ContextListener that starts a Tuscany runtime supporting multiple
+ * SCA contribution jars. All contribution jars found in the repository
+ * directory named "sca-contributions" will be contributed to the SCA 
+ * domain. Any changes to the contributions in the repository will be 
+ * automatically detected and the SCADomain updated accordingly.
+ *
+ * @version $Rev$ $Date$
+ */
+public class HotUpdateContextListener extends TuscanyContextListener {
+
+    public static final String REPOSITORY_FOLDER_NAME = "sca-contributions";
+    
+    @Override
+    public void contextInitialized(ServletContextEvent event) {
+        ServletContext servletContext = event.getServletContext();
+        
+        // TODO better domaiURI, maybe based on webapp name?
+        String domainURI = "http://localhost/" + servletContext.getServletContextName().replace(' ', '.');
+
+        File repository = new File(servletContext.getRealPath(REPOSITORY_FOLDER_NAME));
+        HotUpdatableSCADomain scaDomain = new HotUpdatableSCADomain(domainURI, repository, 2000);        
+
+        servletContext.setAttribute(SCADomainHelper.SCA_DOMAIN_ATTRIBUTE, scaDomain);
+
+        super.contextInitialized(event);
+    }
+    
+}