Java tutorial
/******************************************************************************* * Copyright (c) 2015 The Board of Trustees of the Leland Stanford Junior University * BY CLICKING ON "ACCEPT," DOWNLOADING, OR OTHERWISE USING EPAD, YOU AGREE TO THE FOLLOWING TERMS AND CONDITIONS: * STANFORD ACADEMIC SOFTWARE SOURCE CODE LICENSE FOR * "ePAD Annotation Platform for Radiology Images" * * This Agreement covers contributions to and downloads from the ePAD project ("ePAD") maintained by The Board of Trustees * of the Leland Stanford Junior University ("Stanford"). * * * Part A applies to downloads of ePAD source code and/or data from ePAD. * * * Part B applies to contributions of software and/or data to ePAD (including making revisions of or additions to code * and/or data already in ePAD), which may include source or object code. * * Your download, copying, modifying, displaying, distributing or use of any ePAD software and/or data from ePAD * (collectively, the "Software") is subject to Part A. 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You further acknowledge and agree that * Stanford shall have no liability arising in connection with claims resulting from your breach of any of the terms of * this Agreement. * 6. YOU WARRANT THAT TO THE BEST OF YOUR KNOWLEDGE YOUR CONTRIBUTION DOES NOT CONTAIN ANY CODE OBTAINED BY YOU UNDER AN * OPEN SOURCE LICENSE THAT REQUIRES OR PRESCRIBES DISTRBUTION OF DERIVATIVE WORKS UNDER SUCH OPEN SOURCE LICENSE. (By way * of non-limiting example, you will not contribute any code obtained by you under the GNU General Public License or other * so-called "reciprocal" license.) *******************************************************************************/ package edu.stanford.epad.epadws; import java.io.File; import java.io.InputStream; import java.util.Properties; import org.apache.commons.io.IOUtils; import org.apache.commons.net.ftp.FTP; import org.eclipse.jetty.util.log.Log; import edu.stanford.epad.common.util.EPADConfig; import edu.stanford.epad.common.util.EPADLogger; import edu.stanford.epad.common.util.FTPUtil; import edu.stanford.epad.epadws.epaddb.EpadDatabase; import edu.stanford.epad.epadws.service.DefaultEpadProjectOperations; public class EPadWebServerVersion { private static final EPADLogger log = EPADLogger.getInstance(); public static boolean restartRequired = false; static String version = null; static String buildDate = null; static String buildHost = null; public EPadWebServerVersion() { if (version == null) { version = "1.6"; buildDate = ""; InputStream is = null; try { is = this.getClass().getClassLoader().getResourceAsStream("version.txt"); Properties properties = new Properties(); properties.load(is); version = properties.getProperty("build.version"); buildDate = properties.getProperty("build.date"); buildHost = properties.getProperty("build.host"); if (buildHost.startsWith("$") && buildHost.contains("}")) buildHost = buildHost.substring(buildHost.indexOf("}") + 1); if (buildHost.contains("${")) buildHost = buildHost.substring(0, buildHost.indexOf("${")); } catch (Exception x) { } finally { IOUtils.closeQuietly(is); } } } public String getVersion() { return version; } public String getBuildDate() { return buildDate; } public String getBuildHost() { return buildHost; } public void downloadEpadLatestVersion(String username) throws Exception { String jarname = EPADConfig.getParamValue("EPADJarName", "epad-ws-1.1-jar-with-dependencies.jar"); String warname = EPADConfig.getParamValue("EPADWarName", "ePad.war"); String base = EPADConfig.getEPADWebServerBaseDir(); File war = new File(base + "webapps", warname); File jar = new File(base + "lib", jarname); log.info("Renaming ePAD war..."); war.renameTo(new File(base + "webapps", warname + "_" + version)); log.info("Renaming ePAD jar..."); jar.renameTo(new File(base + "lib", jarname + "_" + version)); FTPUtil ftp = new FTPUtil("epad-distribution.stanford.edu", null, null); try { log.info("Downloading ePAD war..."); ftp.getFile(warname, war); } catch (Exception x) { new File(base + "webapps", warname + "_" + version).renameTo(war); new File(base + "lib", jarname + "_" + version).renameTo(jar); throw x; } try { log.info("Downloading ePAD jar..."); ftp.getFile(jarname, jar); } catch (Exception x) { war.delete(); new File(base + "webapps", warname + "_" + version).renameTo(war); new File(base + "lib", jarname + "_" + version).renameTo(jar); log.warning("Error downloading ePAD software", x); throw new Exception("Error downloading ePAD software:" + x.getMessage()); } restartRequired = true; DefaultEpadProjectOperations.getInstance().createEventLog(username, null, null, null, null, null, null, null, "Software Updated", "EPAD System Software has been updated", true); EpadDatabase.getInstance().getEPADDatabaseOperations().insertEpadEvent(username, "Software updated, Please restart ePAD", "", "", "", "", "", "", "Please restart ePAD"); } }