diff options
Diffstat (limited to 'sca-java-1.x/tags/1.6/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/HotUpdateContextListener.java')
-rw-r--r-- | sca-java-1.x/tags/1.6/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/HotUpdateContextListener.java | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/HotUpdateContextListener.java b/sca-java-1.x/tags/1.6/modules/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/modules/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); + } + +} |