Java tutorial
/** * The MIT License * * Copyright (C) 2015 Asterios Raptis * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ package de.alpharogroup.message.system; import java.io.File; import java.io.IOException; import java.sql.SQLException; import java.util.Properties; import org.apache.cxf.transport.servlet.CXFServlet; import org.apache.log4j.Logger; import org.eclipse.jetty.server.Server; import org.eclipse.jetty.servlet.ServletContextHandler; import org.springframework.web.context.ContextLoaderListener; import de.alpharogroup.file.delete.DeleteFileExtensions; import de.alpharogroup.file.search.PathFinder; import de.alpharogroup.jdbc.ConnectionsExtensions; import de.alpharogroup.jetty9.runner.Jetty9Runner; import de.alpharogroup.jetty9.runner.config.Jetty9RunConfiguration; import de.alpharogroup.jetty9.runner.config.ServletContextHandlerConfiguration; import de.alpharogroup.jetty9.runner.config.ServletHolderConfiguration; import de.alpharogroup.jetty9.runner.factories.ServletContextHandlerFactory; import de.alpharogroup.log.LoggerExtensions; import de.alpharogroup.resourcebundle.properties.PropertiesExtensions; /** * The Class {@link ApplicationJettyRunner} holds the main method that starts a jetty server with * the rest services for the resource-bundle-data. */ public class ApplicationJettyRunner { /** * Checks if a postgresql database exists. * * @return true, if successful * @throws IOException * Signals that an I/O exception has occurred. * @throws ClassNotFoundException * the class not found exception * @throws SQLException * the SQL exception */ protected static boolean existsPostgreSQLDatabase() throws IOException, ClassNotFoundException, SQLException { final Properties databaseProperties = PropertiesExtensions.loadProperties("jdbc.properties"); final String hostname = databaseProperties.getProperty("jdbc.host"); final String databaseName = databaseProperties.getProperty("jdbc.db.name"); final String databaseUser = databaseProperties.getProperty("jdbc.user"); final String databasePassword = databaseProperties.getProperty("jdbc.password"); final boolean dbExists = ConnectionsExtensions.existsPostgreSQLDatabase(hostname, databaseName, databaseUser, databasePassword); return dbExists; } /** * Gets the project name. * * @return the project name * @throws IOException * Signals that an I/O exception has occurred. */ protected static String getProjectName() throws IOException { final Properties projectProperties = PropertiesExtensions.loadProperties("project.properties"); final String projectName = projectProperties.getProperty("artifactId"); return projectName; } /** * The main method starts a jetty server with the rest services for the resource-bundle-data. * * @param args * the arguments * @throws Exception * the exception */ public static void main(final String[] args) throws Exception { final int sessionTimeout = 1800;// set timeout to 30min(60sec * // 30min=1800sec)... final String projectname = getProjectName(); final File projectDirectory = PathFinder.getProjectDirectory(); final File webapp = PathFinder.getRelativePath(projectDirectory, projectname, "src", "main", "webapp"); final String filterPath = "/*"; final File logfile = new File(projectDirectory, "application.log"); if (logfile.exists()) { try { DeleteFileExtensions.delete(logfile); } catch (final IOException e) { Logger.getRootLogger().error("logfile could not deleted.", e); } } // Add a file appender to the logger programatically LoggerExtensions.addFileAppender(Logger.getRootLogger(), LoggerExtensions.newFileAppender(logfile.getAbsolutePath())); final ServletContextHandler servletContextHandler = ServletContextHandlerFactory .getNewServletContextHandler(ServletContextHandlerConfiguration.builder() .servletHolderConfiguration(ServletHolderConfiguration.builder() .servletClass(CXFServlet.class).pathSpec(filterPath).build()) .contextPath("/").webapp(webapp).maxInactiveInterval(sessionTimeout).filterPath(filterPath) .initParameter("contextConfigLocation", "classpath:application-context.xml").build()); servletContextHandler.addEventListener(new ContextLoaderListener()); final Jetty9RunConfiguration configuration = Jetty9RunConfiguration.builder() .servletContextHandler(servletContextHandler).httpPort(8080).httpsPort(8443).build(); final Server server = new Server(); Jetty9Runner.runServletContextHandler(server, configuration); } }