| /* |
| * 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.chemistry.opencmis.server.impl; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Enumeration; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| import javax.servlet.ServletContextEvent; |
| import javax.servlet.ServletContextListener; |
| |
| import org.apache.chemistry.opencmis.commons.impl.ClassLoaderUtil; |
| import org.apache.chemistry.opencmis.commons.impl.IOUtils; |
| import org.apache.chemistry.opencmis.commons.server.CmisServiceFactory; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * CMIS context listener. |
| */ |
| public class CmisRepositoryContextListener implements ServletContextListener { |
| |
| public static final String SERVICES_FACTORY = "org.apache.chemistry.opencmis.servicesfactory"; |
| |
| private static final Logger LOG = LoggerFactory.getLogger(CmisRepositoryContextListener.class.getName()); |
| |
| private static final String CONFIG_INIT_PARAM = "org.apache.chemistry.opencmis.REPOSITORY_CONFIG_FILE"; |
| private static final String CONFIG_FILENAME = "/repository.properties"; |
| private static final String PROPERTY_CLASS = "class"; |
| |
| public void contextInitialized(ServletContextEvent sce) { |
| // get config file name or use default |
| String configFilename = sce.getServletContext().getInitParameter(CONFIG_INIT_PARAM); |
| if (configFilename == null) { |
| configFilename = CONFIG_FILENAME; |
| } |
| |
| // create services factory |
| CmisServiceFactory factory = null; |
| try { |
| factory = createServiceFactory(configFilename); |
| } catch (Exception e) { |
| LOG.error("Service factory couldn't be created: " + e.toString(), e); |
| return; |
| } |
| |
| // set the services factory into the servlet context |
| sce.getServletContext().setAttribute(SERVICES_FACTORY, factory); |
| } |
| |
| public void contextDestroyed(ServletContextEvent sce) { |
| // destroy services factory |
| CmisServiceFactory factory = (CmisServiceFactory) sce.getServletContext().getAttribute(SERVICES_FACTORY); |
| if (factory != null) { |
| try { |
| factory.destroy(); |
| } catch (Exception e) { |
| LOG.error("Service factory couldn't be destroyed: " + e.toString(), e); |
| return; |
| } |
| } |
| } |
| |
| /** |
| * Creates a service factory. |
| */ |
| private CmisServiceFactory createServiceFactory(String filename) { |
| // load properties |
| InputStream stream = this.getClass().getResourceAsStream(filename); |
| |
| if (stream == null) { |
| LOG.warn("Cannot find configuration!"); |
| return null; |
| } |
| |
| Properties props = new Properties(); |
| try { |
| props.load(stream); |
| } catch (IOException e) { |
| LOG.warn("Cannot load configuration: " + e, e); |
| return null; |
| } finally { |
| IOUtils.closeQuietly(stream); |
| } |
| |
| // get 'class' property |
| String className = props.getProperty(PROPERTY_CLASS); |
| if (className == null) { |
| LOG.warn("Configuration doesn't contain the property 'class'!"); |
| return null; |
| } |
| |
| // create a factory instance |
| Object object = null; |
| try { |
| object = ClassLoaderUtil.loadClass(className).newInstance(); |
| } catch (Exception e) { |
| LOG.warn("Could not create a services factory instance: " + e, e); |
| return null; |
| } |
| |
| if (!(object instanceof CmisServiceFactory)) { |
| LOG.warn("The provided class is not an instance of CmisServiceFactory!"); |
| } |
| |
| CmisServiceFactory factory = (CmisServiceFactory) object; |
| |
| // initialize factory instance |
| Map<String, String> parameters = new HashMap<String, String>(); |
| |
| for (Enumeration<?> e = props.propertyNames(); e.hasMoreElements();) { |
| String key = (String) e.nextElement(); |
| String value = props.getProperty(key); |
| parameters.put(key, value); |
| } |
| |
| factory.init(parameters); |
| |
| LOG.info("Initialized Services Factory: " + factory.getClass().getName()); |
| |
| return factory; |
| } |
| } |