/*
* 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 sca domain updated accordingly.
*/
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);
}
}