List of usage examples for java.util.jar JarFile close
public void close() throws IOException
From source file:org.spout.engine.filesystem.CommonFileSystem.java
private void allowInstallation(final CommandSource source, final String plugin) { Spout.getScheduler().scheduleAsyncTask(Spout.getEngine(), new Runnable() { @Override/*from w w w.ja va2 s .c o m*/ public void run() { synchronized (requestedInstallations) { JarFile jar = null; InputStream in = null; try { // obtain plugin stream URI uri = requestedInstallations.get(plugin); in = new BufferedInputStream(uri.toURL().openStream()); String path = uri.toString(); File file = new File(UPDATES_DIRECTORY, path.substring(path.lastIndexOf('/') + 1)); // copy to updates source.sendMessage("Downloading " + plugin + " to the updates folder..."); FileUtils.copyInputStreamToFile(in, file); source.sendMessage("Done."); // check the validity of plugin jar = new JarFile(file); if (jar.getJarEntry("properties.yml") == null && jar.getJarEntry("plugin.yml") == null) { source.sendMessage( "The downloaded file has no valid plugin description file, marking file to be deleted."); if (!file.delete()) { file.deleteOnExit(); } return; } source.sendMessage(plugin + " has been successfully downloaded to the updates folder, it will be installed on next run."); } catch (MalformedURLException e) { throw new SpoutRuntimeException("The plugin's URL is invalid", e); } catch (IOException e) { throw new SpoutRuntimeException("Error downloading the plugin", e); } finally { // close the jar try { if (jar != null) { jar.close(); } } catch (IOException e) { Spout.getLogger().log(Level.WARNING, "Error closing JAR file", e); } // close the input stream try { if (in != null) { in.close(); } } catch (IOException e) { Spout.getLogger().log(Level.WARNING, "Error closing plugin stream", e); } } requestedInstallations.remove(plugin); } } }); }
From source file:org.tinygroup.jspengine.compiler.TldLocationsCache.java
/** * Scans the given JarURLConnection for TLD files located in META-INF (or a * subdirectory of it), adding an implicit map entry to the taglib map for * any TLD that has a <uri> element. * //from w w w. j av a2 s .c o m * @param conn * The JarURLConnection to the JAR file to scan * @param ignore * true if any exceptions raised when processing the given JAR * should be ignored, false otherwise */ private void scanJar(JarURLConnection conn, boolean ignore) throws JasperException { JarFile jarFile = null; String resourcePath = conn.getJarFileURL().toString(); try { if (redeployMode) { conn.setUseCaches(false); } jarFile = conn.getJarFile(); Enumeration entries = jarFile.entries(); while (entries.hasMoreElements()) { JarEntry entry = (JarEntry) entries.nextElement(); String name = entry.getName(); if (!name.startsWith("META-INF/")) continue; if (!name.endsWith(".tld")) continue; InputStream stream = jarFile.getInputStream(entry); try { String uri = getUriFromTld(resourcePath, stream); // Add map entry. // Override existing entries as we move higher // up in the classloader delegation chain. if (uri != null && (mappings.get(uri) == null || systemUris.contains(uri) || (systemUrisJsf.contains(uri) && !useMyFaces))) { mappings.put(uri, new String[] { resourcePath, name }); } } finally { if (stream != null) { try { stream.close(); } catch (Throwable t) { // do nothing } } } } } catch (Exception ex) { if (!redeployMode) { // if not in redeploy mode, close the jar in case of an error if (jarFile != null) { try { jarFile.close(); } catch (Throwable t) { // ignore } } } if (!ignore) { throw new JasperException(ex); } } finally { if (redeployMode) { // if in redeploy mode, always close the jar if (jarFile != null) { try { jarFile.close(); } catch (Throwable t) { // ignore } } } } }
From source file:com.evolveum.midpoint.test.ldap.OpenDJController.java
/** * Extract template from class//www .j ava2s. c o m */ private void extractTemplate(File dst, String templateName) throws IOException, URISyntaxException { LOGGER.info("Extracting OpenDJ template...."); if (!dst.exists()) { LOGGER.debug("Creating target dir {}", dst.getPath()); dst.mkdirs(); } templateRoot = new File(DATA_TEMPLATE_DIR, templateName); String templateRootPath = DATA_TEMPLATE_DIR + "/" + templateName; // templateRoot.getPath does not work on Windows, as it puts "\" into the path name (leading to problems with getSystemResource) // Determing if we need to extract from JAR or directory if (templateRoot.isDirectory()) { LOGGER.trace("Need to do directory copy."); MiscUtil.copyDirectory(templateRoot, dst); return; } LOGGER.debug("Try to localize OpenDJ Template in JARs as " + templateRootPath); URL srcUrl = ClassLoader.getSystemResource(templateRootPath); LOGGER.debug("srcUrl " + srcUrl); // sample: // file:/C:/.m2/repository/test-util/1.9-SNAPSHOT/test-util-1.9-SNAPSHOT.jar!/test-data/opendj.template // output: // /C:/.m2/repository/test-util/1.9-SNAPSHOT/test-util-1.9-SNAPSHOT.jar // // beware that in the URL there can be spaces encoded as %20, e.g. // file:/C:/Documents%20and%20Settings/user/.m2/repository/com/evolveum/midpoint/infra/test-util/2.1-SNAPSHOT/test-util-2.1-SNAPSHOT.jar!/test-data/opendj.template // if (srcUrl.getPath().contains("!/")) { URI srcFileUri = new URI(srcUrl.getPath().split("!/")[0]); // e.g. file:/C:/Documents%20and%20Settings/user/.m2/repository/com/evolveum/midpoint/infra/test-util/2.1-SNAPSHOT/test-util-2.1-SNAPSHOT.jar File srcFile = new File(srcFileUri); JarFile jar = new JarFile(srcFile); LOGGER.debug("Extracting OpenDJ from JAR file {} to {}", srcFile.getPath(), dst.getPath()); Enumeration<JarEntry> entries = jar.entries(); JarEntry e; byte buf[] = new byte[655360]; while (entries.hasMoreElements()) { e = entries.nextElement(); // skip other files if (!e.getName().contains(templateRootPath)) { continue; } // prepare destination file String filepath = e.getName().substring(templateRootPath.length()); File dstFile = new File(dst, filepath); // test if directory if (e.isDirectory()) { LOGGER.debug("Create directory: {}", dstFile.getAbsolutePath()); dstFile.mkdirs(); continue; } LOGGER.debug("Extract {} to {}", filepath, dstFile.getAbsolutePath()); // Find file on classpath InputStream is = ClassLoader.getSystemResourceAsStream(e.getName()); // InputStream is = jar.getInputStream(e); //old way // Copy content OutputStream out = new FileOutputStream(dstFile); int len; while ((len = is.read(buf)) > 0) { out.write(buf, 0, len); } out.close(); is.close(); } jar.close(); } else { try { File file = new File(srcUrl.toURI()); File[] files = file.listFiles(); for (File subFile : files) { if (subFile.isDirectory()) { MiscUtil.copyDirectory(subFile, new File(dst, subFile.getName())); } else { MiscUtil.copyFile(subFile, new File(dst, subFile.getName())); } } } catch (Exception ex) { throw new IOException(ex); } } LOGGER.debug("OpenDJ Extracted"); }
From source file:mobac.mapsources.loader.MapPackManager.java
/** * Verifies the class file signatures of the specified map pack * //from ww w . j av a 2 s . c o m * @param mapPackFile * @throws IOException * @throws CertificateException */ public void testMapPack(File mapPackFile) throws IOException, CertificateException { String fileName = mapPackFile.getName(); JarFile jf = new JarFile(mapPackFile, true); try { Enumeration<JarEntry> it = jf.entries(); while (it.hasMoreElements()) { JarEntry entry = it.nextElement(); // We verify only class files if (!entry.getName().endsWith(".class")) continue; // directory or other entry // Get the input stream (triggers) the signature verification for the specific class Utilities.readFully(jf.getInputStream(entry)); if (entry.getCodeSigners() == null) throw new CertificateException("Unsigned class file found: " + entry.getName()); CodeSigner signer = entry.getCodeSigners()[0]; List<? extends Certificate> cp = signer.getSignerCertPath().getCertificates(); if (cp.size() > 1) throw new CertificateException("Signature certificate not accepted: " + "certificate path contains more than one certificate"); // Compare the used certificate with the mapPack certificate if (!mapPackCert.equals(cp.get(0))) throw new CertificateException( "Signature certificate not accepted: " + "not the MapPack signer certificate"); } Manifest mf = jf.getManifest(); Attributes a = mf.getMainAttributes(); String mpv = a.getValue("MapPackVersion"); if (mpv == null) throw new IOException("MapPackVersion info missing!"); int mapPackVersion = Integer.parseInt(mpv); if (requiredMapPackVersion != mapPackVersion) throw new IOException("This pack \"" + fileName + "\" is not compatible with this MOBAC version."); ZipEntry entry = jf.getEntry("META-INF/services/mobac.program.interfaces.MapSource"); if (entry == null) throw new IOException("MapSources services list is missing in file " + fileName); } finally { jf.close(); } }
From source file:osmcd.mapsources.loader.MapPackManager.java
/** * Verifies the class file signatures of the specified map pack * //from w w w. java 2 s .c om * @param mapPackFile * @throws IOException * @throws CertificateException */ public void testMapPack(File mapPackFile) throws IOException, CertificateException { String fileName = mapPackFile.getName(); JarFile jf = new JarFile(mapPackFile, true); try { Enumeration<JarEntry> it = jf.entries(); while (it.hasMoreElements()) { JarEntry entry = it.nextElement(); // We verify only class files if (!entry.getName().endsWith(".class")) continue; // directory or other entry // Get the input stream (triggers) the signature verification for the specific class Utilities.readFully(jf.getInputStream(entry)); if (entry.getCodeSigners() == null) throw new CertificateException("Unsigned class file found: " + entry.getName()); CodeSigner signer = entry.getCodeSigners()[0]; List<? extends Certificate> cp = signer.getSignerCertPath().getCertificates(); if (cp.size() > 1) throw new CertificateException("Signature certificate not accepted: " + "certificate path contains more than one certificate"); // Compare the used certificate with the mapPack certificate if (!mapPackCert.equals(cp.get(0))) throw new CertificateException( "Signature certificate not accepted: " + "not the MapPack signer certificate"); } Manifest mf = jf.getManifest(); Attributes a = mf.getMainAttributes(); String mpv = a.getValue("MapPackVersion"); if (mpv == null) throw new IOException("MapPackVersion info missing!"); int mapPackVersion = Integer.parseInt(mpv); if (requiredMapPackVersion != mapPackVersion) throw new IOException("This pack \"" + fileName + "\" is not compatible with this OSMCB version."); ZipEntry entry = jf.getEntry("META-INF/services/osmcd.program.interfaces.MapSource"); if (entry == null) throw new IOException("MapSources services list is missing in file " + fileName); } finally { jf.close(); } }
From source file:org.jahia.modules.modulemanager.flow.ModuleManagementFlowHandler.java
private void installBundles(File file, MessageContext context, String originalFilename, boolean forceUpdate, boolean autoStart) throws IOException, BundleException { JarFile jarFile = new JarFile(file); try {/*from w w w . ja v a 2 s.c om*/ Attributes manifestAttributes = jarFile.getManifest().getMainAttributes(); String jahiaRequiredVersion = manifestAttributes.getValue(Constants.ATTR_NAME_JAHIA_REQUIRED_VERSION); if (StringUtils.isEmpty(jahiaRequiredVersion)) { context.addMessage(new MessageBuilder().source("moduleFile") .code("serverSettings.manageModules.install.required.version.missing.error").error() .build()); return; } if (new Version(jahiaRequiredVersion).compareTo(new Version(Jahia.VERSION)) > 0) { context.addMessage(new MessageBuilder().source("moduleFile") .code("serverSettings.manageModules.install.required.version.error") .args(jahiaRequiredVersion, Jahia.VERSION).error().build()); return; } if (manifestAttributes.getValue(Constants.ATTR_NAME_JAHIA_PACKAGE_NAME) != null) { handlePackage(jarFile, manifestAttributes, originalFilename, forceUpdate, autoStart, context); } else { ModuleInstallationResult installationResult = installModule(file, context, null, null, forceUpdate, autoStart); if (installationResult != null) { addModuleInstallationMessage(installationResult, context); } } } finally { jarFile.close(); } }
From source file:org.deventropy.shared.utils.DirectoryArchiverUtilTest.java
private void checkJarArchive(final File archiveFile, final File sourceDirectory, final String pathPrefix) throws IOException { JarFile jarFile = null; try {/*from w w w .ja v a 2 s. com*/ jarFile = new JarFile(archiveFile); final Manifest manifest = jarFile.getManifest(); assertNotNull("Manifest should be present", manifest); assertEquals("Manifest version should be 1.0", "1.0", manifest.getMainAttributes().getValue(Attributes.Name.MANIFEST_VERSION)); final ArchiveEntries archiveEntries = createArchiveEntries(sourceDirectory, pathPrefix); final Enumeration<JarEntry> entries = jarFile.entries(); while (entries.hasMoreElements()) { final JarEntry jarEntry = entries.nextElement(); if (MANIFEST_FILE_ENTRY_NAME.equalsIgnoreCase(jarEntry.getName())) { // It is the manifest file, not added by use continue; } if (jarEntry.isDirectory()) { assertTrue("Directory in jar should be from us [" + jarEntry.getName() + "]", archiveEntries.dirs.contains(jarEntry.getName())); archiveEntries.dirs.remove(jarEntry.getName()); } else { assertTrue("File in jar should be from us [" + jarEntry.getName() + "]", archiveEntries.files.containsKey(jarEntry.getName())); final byte[] inflatedMd5 = getMd5Digest(jarFile.getInputStream(jarEntry), false); assertArrayEquals("MD5 hash of files should equal [" + jarEntry.getName() + "]", archiveEntries.files.get(jarEntry.getName()), inflatedMd5); archiveEntries.files.remove(jarEntry.getName()); } } // Check that all files and directories have been accounted for assertTrue("All directories should be in the jar", archiveEntries.dirs.isEmpty()); assertTrue("All files should be in the jar", archiveEntries.files.isEmpty()); } finally { if (null != jarFile) { jarFile.close(); } } }
From source file:net.minecraftforge.fml.relauncher.CoreModManager.java
private static void discoverCoreMods(File mcDir, LaunchClassLoader classLoader) { ModListHelper.parseModList(mcDir);//from w w w . j av a2 s.c om FMLRelaunchLog.fine("Discovering coremods"); File coreMods = setupCoreModDir(mcDir); FilenameFilter ff = new FilenameFilter() { @Override public boolean accept(File dir, String name) { return name.endsWith(".jar"); } }; FilenameFilter derpfilter = new FilenameFilter() { @Override public boolean accept(File dir, String name) { return name.endsWith(".jar.zip"); } }; File[] derplist = coreMods.listFiles(derpfilter); if (derplist != null && derplist.length > 0) { FMLRelaunchLog.severe( "FML has detected several badly downloaded jar files, which have been named as zip files. You probably need to download them again, or they may not work properly"); for (File f : derplist) { FMLRelaunchLog.severe("Problem file : %s", f.getName()); } } FileFilter derpdirfilter = new FileFilter() { @Override public boolean accept(File pathname) { return pathname.isDirectory() && new File(pathname, "META-INF").isDirectory(); } }; File[] derpdirlist = coreMods.listFiles(derpdirfilter); if (derpdirlist != null && derpdirlist.length > 0) { FMLRelaunchLog.log.getLogger().log(Level.FATAL, "There appear to be jars extracted into the mods directory. This is VERY BAD and will almost NEVER WORK WELL"); FMLRelaunchLog.log.getLogger().log(Level.FATAL, "You should place original jars only in the mods directory. NEVER extract them to the mods directory."); FMLRelaunchLog.log.getLogger().log(Level.FATAL, "The directories below appear to be extracted jar files. Fix this before you continue."); for (File f : derpdirlist) { FMLRelaunchLog.log.getLogger().log(Level.FATAL, "Directory {} contains {}", f.getName(), Arrays.asList(new File(f, "META-INF").list())); } RuntimeException re = new RuntimeException("Extracted mod jars found, loading will NOT continue"); // We're generating a crash report for the launcher to show to the user here try { Class<?> crashreportclass = classLoader.loadClass("b"); Object crashreport = crashreportclass.getMethod("a", Throwable.class, String.class).invoke(null, re, "FML has discovered extracted jar files in the mods directory.\nThis breaks mod loading functionality completely.\nRemove the directories and replace with the jar files originally provided."); File crashreportfile = new File(new File(coreMods.getParentFile(), "crash-reports"), String.format("fml-crash-%1$tY-%1$tm-%1$td_%1$tT.txt", Calendar.getInstance())); crashreportclass.getMethod("a", File.class).invoke(crashreport, crashreportfile); System.out.println("#@!@# FML has crashed the game deliberately. Crash report saved to: #@!@# " + crashreportfile.getAbsolutePath()); } catch (Exception e) { e.printStackTrace(); // NOOP - hopefully } throw re; } File[] coreModList = coreMods.listFiles(ff); File versionedModDir = new File(coreMods, FMLInjectionData.mccversion); if (versionedModDir.isDirectory()) { File[] versionedCoreMods = versionedModDir.listFiles(ff); coreModList = ObjectArrays.concat(coreModList, versionedCoreMods, File.class); } coreModList = ObjectArrays.concat(coreModList, ModListHelper.additionalMods.values().toArray(new File[0]), File.class); coreModList = FileListHelper.sortFileList(coreModList); for (File coreMod : coreModList) { FMLRelaunchLog.fine("Examining for coremod candidacy %s", coreMod.getName()); JarFile jar = null; Attributes mfAttributes; String fmlCorePlugin; try { jar = new JarFile(coreMod); if (jar.getManifest() == null) { // Not a coremod and no access transformer list continue; } ModAccessTransformer.addJar(jar); mfAttributes = jar.getManifest().getMainAttributes(); String cascadedTweaker = mfAttributes.getValue("TweakClass"); if (cascadedTweaker != null) { FMLRelaunchLog.info("Loading tweaker %s from %s", cascadedTweaker, coreMod.getName()); Integer sortOrder = Ints.tryParse(Strings.nullToEmpty(mfAttributes.getValue("TweakOrder"))); sortOrder = (sortOrder == null ? Integer.valueOf(0) : sortOrder); handleCascadingTweak(coreMod, jar, cascadedTweaker, classLoader, sortOrder); ignoredModFiles.add(coreMod.getName()); continue; } List<String> modTypes = mfAttributes.containsKey(MODTYPE) ? Arrays.asList(mfAttributes.getValue(MODTYPE).split(",")) : ImmutableList.of("FML"); if (!modTypes.contains("FML")) { FMLRelaunchLog.fine( "Adding %s to the list of things to skip. It is not an FML mod, it has types %s", coreMod.getName(), modTypes); ignoredModFiles.add(coreMod.getName()); continue; } String modSide = mfAttributes.containsKey(MODSIDE) ? mfAttributes.getValue(MODSIDE) : "BOTH"; if (!("BOTH".equals(modSide) || FMLLaunchHandler.side.name().equals(modSide))) { FMLRelaunchLog.fine("Mod %s has ModSide meta-inf value %s, and we're %s. It will be ignored", coreMod.getName(), modSide, FMLLaunchHandler.side.name()); ignoredModFiles.add(coreMod.getName()); continue; } ModListHelper.additionalMods.putAll(extractContainedDepJars(jar, coreMods, versionedModDir)); fmlCorePlugin = mfAttributes.getValue("FMLCorePlugin"); if (fmlCorePlugin == null) { // Not a coremod FMLRelaunchLog.fine("Not found coremod data in %s", coreMod.getName()); continue; } } catch (IOException ioe) { FMLRelaunchLog.log(Level.ERROR, ioe, "Unable to read the jar file %s - ignoring", coreMod.getName()); continue; } finally { if (jar != null) { try { jar.close(); } catch (IOException e) { // Noise } } } // Support things that are mod jars, but not FML mod jars try { classLoader.addURL(coreMod.toURI().toURL()); if (!mfAttributes.containsKey(COREMODCONTAINSFMLMOD)) { FMLRelaunchLog.finer("Adding %s to the list of known coremods, it will not be examined again", coreMod.getName()); ignoredModFiles.add(coreMod.getName()); } else { FMLRelaunchLog.finer( "Found FMLCorePluginContainsFMLMod marker in %s, it will be examined later for regular @Mod instances", coreMod.getName()); candidateModFiles.add(coreMod.getName()); } } catch (MalformedURLException e) { FMLRelaunchLog.log(Level.ERROR, e, "Unable to convert file into a URL. weird"); continue; } loadCoreMod(classLoader, fmlCorePlugin, coreMod); } }
From source file:org.apache.jasper.compiler.TagLibraryInfoImpl.java
/** * Constructor./*from w ww . j a va 2 s . c om*/ */ public TagLibraryInfoImpl(JspCompilationContext ctxt, ParserController pc, String prefix, String uriIn, String[] location, ErrorDispatcher err) throws JasperException { super(prefix, uriIn); this.ctxt = ctxt; this.parserController = pc; this.err = err; InputStream in = null; JarFile jarFile = null; if (location == null) { // The URI points to the TLD itself or to a JAR file in which the // TLD is stored location = generateTLDLocation(uri, ctxt); } try { if (!location[0].endsWith("jar")) { // Location points to TLD file try { in = getResourceAsStream(location[0]); if (in == null) { throw new FileNotFoundException(location[0]); } } catch (FileNotFoundException ex) { err.jspError("jsp.error.file.not.found", location[0]); } parseTLD(ctxt, location[0], in, null); // Add TLD to dependency list PageInfo pageInfo = ctxt.createCompiler().getPageInfo(); if (pageInfo != null) { pageInfo.addDependant(location[0]); } } else { // Tag library is packaged in JAR file try { URL jarFileUrl = new URL("jar:" + location[0] + "!/"); JarURLConnection conn = (JarURLConnection) jarFileUrl.openConnection(); conn.setUseCaches(false); conn.connect(); jarFile = conn.getJarFile(); ZipEntry jarEntry = jarFile.getEntry(location[1]); in = jarFile.getInputStream(jarEntry); parseTLD(ctxt, location[0], in, jarFileUrl); } catch (Exception ex) { err.jspError("jsp.error.tld.unable_to_read", location[0], location[1], ex.toString()); } } } finally { if (in != null) { try { in.close(); } catch (Throwable t) { } } if (jarFile != null) { try { jarFile.close(); } catch (Throwable t) { } } } }
From source file:org.springfield.lou.application.ApplicationManager.java
private void processRemoteWar(File warfile, String wantedname, String datestring) { // lets first check some vitals to check what it is String warfilename = warfile.getName(); if (warfilename.startsWith("smt_") && warfilename.endsWith("app.war")) { // ok so filename checks out is smt_[name]app.war format String appname = warfilename.substring(4, warfilename.length() - 7); if (wantedname.equals(appname)) { // ok found file is the wanted file // format "29-Aug-2013-16:55" System.out.println("NEW VERSION OF " + appname + " FOUND INSTALLING"); String writedir = "/springfield/lou/apps/" + appname + "/" + datestring; // make all the dirs we need File md = new File(writedir); md.mkdirs();// w w w .j av a2 s . c o m md = new File(writedir + "/war"); md.mkdirs(); md = new File(writedir + "/jar"); md.mkdirs(); md = new File(writedir + "/components"); md.mkdirs(); md = new File(writedir + "/css"); md.mkdirs(); md = new File(writedir + "/libs"); md.mkdirs(); try { JarFile war = new JarFile(warfile); // ok lets first find the jar file ! JarEntry entry = war.getJarEntry("WEB-INF/lib/smt_" + appname + "app.jar"); if (entry != null) { byte[] bytes = readJarEntryToBytes(war.getInputStream(entry)); writeBytesToFile(bytes, writedir + "/jar/smt_" + appname + "app.jar"); } // unpack all in eddie dir Enumeration<JarEntry> iter = war.entries(); while (iter.hasMoreElements()) { JarEntry lentry = iter.nextElement(); //System.out.println("LI="+lentry.getName()); String lname = lentry.getName(); if (!lname.endsWith("/")) { int pos = lname.indexOf("/" + appname + "/"); if (pos != -1) { String nname = lname.substring(pos + appname.length() + 2); String dname = nname.substring(0, nname.lastIndexOf('/')); File de = new File(writedir + "/" + dname); de.mkdirs(); byte[] bytes = readJarEntryToBytes(war.getInputStream(lentry)); writeBytesToFile(bytes, writedir + "/" + nname); } } } war.close(); File ren = new File("/springfield/lou/uploaddir/" + warfilename); File nen = new File(writedir + "/war/smt_" + appname + "app.war"); ren.renameTo(nen); // lets tell set the available variable to tell the others we have it. FsNode unode = Fs .getNode("/domain/internal/service/lou/apps/" + appname + "/versions/" + datestring); if (unode != null) { String warlist = unode.getProperty("waravailableat"); if (warlist == null || warlist.equals("")) { Fs.setProperty( "/domain/internal/service/lou/apps/" + appname + "/versions/" + datestring, "waravailableat", LazyHomer.myip); } else { Fs.setProperty( "/domain/internal/service/lou/apps/" + appname + "/versions/" + datestring, "waravailableat", warlist + "," + LazyHomer.myip); } } } catch (Exception e) { e.printStackTrace(); } } } }