diff options
Diffstat (limited to 'dozentenmodul/src/main/java/org/openslx/dozmod/Branding.java')
| -rw-r--r-- | dozentenmodul/src/main/java/org/openslx/dozmod/Branding.java | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/Branding.java b/dozentenmodul/src/main/java/org/openslx/dozmod/Branding.java new file mode 100644 index 00000000..2eda03e1 --- /dev/null +++ b/dozentenmodul/src/main/java/org/openslx/dozmod/Branding.java @@ -0,0 +1,182 @@ +package org.openslx.dozmod; + +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.net.URI; +import java.net.URISyntaxException; +import java.nio.file.FileSystem; +import java.nio.file.FileSystems; +import java.nio.file.FileVisitResult; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.nio.file.SimpleFileVisitor; +import java.nio.file.StandardCopyOption; +import java.nio.file.attribute.BasicFileAttributes; +import java.security.CodeSource; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.Iterator; +import java.util.List; +import java.util.Properties; + +import org.apache.log4j.Logger; + +public final class Branding { + + private final static Logger LOGGER = Logger.getLogger(Branding.class); + + private final static String PROPERTIES_FILE = "branding.properties"; + private final static Properties PROPERTIES = new Properties(); + private final static List<Path> RESOURCES = new ArrayList<Path>(); + + static { + try (InputStream in = App.class.getClassLoader().getResourceAsStream(PROPERTIES_FILE)) { + PROPERTIES.load(in); + } catch (Exception e) { + LOGGER.error("Failed to read '" + PROPERTIES_FILE + "': ", e); + } + RESOURCES.add(Paths.get(PROPERTIES_FILE)); + RESOURCES.add(Paths.get("img")); + RESOURCES.add(Paths.get("txt")); + } + + public final static String getMasterServerAddress() { + return PROPERTIES.getProperty("masterserver.address", "bwlp-masterserver.ruf.uni-freiburg.de"); + } + + public final static String getApplicationName() { + return PROPERTIES.getProperty("application.name", "bwLehrpool-Suite"); + } + + public final static String getServiceFAQWebsite() { + return PROPERTIES.getProperty("service.faq.website", "https://www.bwLehrpool.de"); + } + + public final static String getServiceName() { + return PROPERTIES.getProperty("service.name", "bwLehrpool"); + } + + public final static String getServiceEmail() { + return PROPERTIES.getProperty("service.email", "bwlehrpool@hs-offenburg.de"); + } + + public static void dump(final String localDir) { + if (localDir == null || localDir.isEmpty()) + return; + final Path dumpDir = Paths.get(localDir); + if (!Files.isDirectory(dumpDir)) { + try { + Files.createDirectories(dumpDir); + } catch (IOException e) { + LOGGER.error("Failed to create missing dump directory: ", e); + return; + } + } + final URI jarUri = getRunningJarURI(); + if (jarUri == null || jarUri.getPath() == null || jarUri.getPath().isEmpty()) + return; + copyBranding(jarUri, dumpDir.toString(), false); + + } + + public static void pack(final String localDir, final String outputJar) { + final URI jarUri = getRunningJarURI(); + if (jarUri == null || jarUri.getPath() == null || jarUri.getPath().isEmpty()) + return; + + final File brandingDir = new File(localDir); + if (!brandingDir.isDirectory()) { + LOGGER.error("Given path is not a directory: " + localDir); + return; + } + final Path newJarPath = Paths.get(outputJar); + try { + Files.copy(Paths.get(jarUri), newJarPath); + } catch (Exception e) { + LOGGER.error("Failed to copy jar file at location '" + jarUri.getPath() + "' to '" + newJarPath + + "': ", e); + try { + Files.delete(newJarPath); + } catch (IOException e1) { + LOGGER.error("Failed to cleanup '" + newJarPath + ": ", e1); + } + } + // copied jar successfully, now insert the contents from the directory + copyBranding(newJarPath.toUri(), localDir, true); + } + + private static void copyBranding(final URI jarUri, final String localDir, final boolean pack) { + try (FileSystem fs = FileSystems.newFileSystem(URI.create("jar:" + jarUri), + new HashMap<String, String>() { + { + put("create", "true"); + put("encoding", "UTF-8"); + } + })) { + // hacky default using the fs' separator as root directory + Path rootPathJar = fs.getPath(fs.getSeparator()); + Iterator<Path> it = fs.getRootDirectories().iterator(); + if (it.hasNext()) { + rootPathJar = it.next(); + if (it.hasNext()) { + // there should only be one ... TODO handle multiples? + LOGGER.debug("Multiple root directories within the JAR found? Trying with first one '" + + rootPathJar + "'..."); + } + } + Path rootPathLocal = Paths.get(localDir); + for (Path res : RESOURCES) { + final Path src, dst; + if (pack) { + src = rootPathLocal.resolve(res); + dst = rootPathJar.resolve(rootPathLocal.relativize(res).toString()); + } else { + src = rootPathJar.resolve(res.toString()); + dst = rootPathLocal.resolve(res); + } + if (!Files.isReadable(src)) { + LOGGER.error("Failed to find or read '" + src + "'."); + return; + } + + if (Files.isDirectory(src)) { + Files.walkFileTree(src, new SimpleFileVisitor<Path>() { + @Override + public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) + throws IOException { + Path cur = dst.resolve(src.relativize(file).toString()); + if (!Files.isDirectory(cur.getParent())) { + Files.createDirectory(cur.getParent()); + } + Files.copy(file, cur, StandardCopyOption.REPLACE_EXISTING); + return FileVisitResult.CONTINUE; + } + }); + } else if (Files.isRegularFile(src)) { + Files.copy(src, dst, StandardCopyOption.REPLACE_EXISTING); + } else { + LOGGER.error("Unknown file type for '" + src + "'."); + } + } + } catch (Exception e) { + LOGGER.error("Failed to dump branding resources from JAR: ", e); + return; + } + } + + private static URI getRunningJarURI() { + CodeSource cs = App.class.getProtectionDomain().getCodeSource(); + if (cs == null) { + LOGGER.error("Failed to get code source of this class."); + return null; + } + try { + return cs.getLocation().toURI(); + } catch (URISyntaxException e) { + LOGGER.error("Failed to get location of this JAR."); + } + return null; + } +} |