List of usage examples for java.nio.file StandardOpenOption WRITE
StandardOpenOption WRITE
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From source file:Main.java
public static void main(String[] args) throws Exception { Path src = Paths.get("test2.txt"); SeekableByteChannel sbc = Files.newByteChannel(src, StandardOpenOption.READ, StandardOpenOption.WRITE, StandardOpenOption.CREATE); }
From source file:Test.java
public static void main(String[] args) throws Exception { AsynchronousFileChannel fileChannel = AsynchronousFileChannel.open(Paths.get("/asynchronous.txt"), StandardOpenOption.READ, StandardOpenOption.WRITE, StandardOpenOption.CREATE); Future<Integer> writeFuture1 = fileChannel.write(ByteBuffer.wrap("Sample".getBytes()), 0); Future<Integer> writeFuture2 = fileChannel.write(ByteBuffer.wrap("Box".getBytes()), 0); int result;/*from w ww . ja v a 2 s. c o m*/ result = writeFuture1.get(); System.out.println("Sample write completed with " + result + " bytes written"); result = writeFuture2.get(); System.out.println("Box write completed with " + result + " bytes written"); }
From source file:Test.java
public static void main(String[] args) throws Exception { AsynchronousFileChannel fileChannel = AsynchronousFileChannel.open(Paths.get("/asynchronous.txt"), StandardOpenOption.READ, StandardOpenOption.WRITE, StandardOpenOption.CREATE); CompletionHandler<Integer, Object> handler = new CompletionHandler<Integer, Object>() { @Override//from w w w. j a va 2 s . com public void completed(Integer result, Object attachment) { System.out.println("Attachment: " + attachment + " " + result + " bytes written"); System.out.println("CompletionHandler Thread ID: " + Thread.currentThread().getId()); } @Override public void failed(Throwable e, Object attachment) { System.err.println("Attachment: " + attachment + " failed with:"); e.printStackTrace(); } }; System.out.println("Main Thread ID: " + Thread.currentThread().getId()); fileChannel.write(ByteBuffer.wrap("Sample".getBytes()), 0, "First Write", handler); fileChannel.write(ByteBuffer.wrap("Box".getBytes()), 0, "Second Write", handler); }
From source file:Test.java
License:asdf
public static void main(String[] args) throws IOException { Path path = Paths.get("/users.txt"); final String newLine = System.getProperty("line.separator"); try (SeekableByteChannel sbc = Files.newByteChannel(path, StandardOpenOption.WRITE)) { ByteBuffer buffer;/* w ww . j a va 2 s . c o m*/ long position = sbc.size(); sbc.position(position); System.out.println("Position: " + sbc.position()); buffer = ByteBuffer.wrap((newLine + "asdf").getBytes()); sbc.write(buffer); System.out.println("Position: " + sbc.position()); buffer = ByteBuffer.wrap((newLine + "asdf").getBytes()); sbc.write(buffer); System.out.println("Position: " + sbc.position()); } }
From source file:Main.java
public static void main(String[] args) throws Exception { Path path = Paths.get("test.txt"); AsynchronousFileChannel afc = AsynchronousFileChannel.open(path, StandardOpenOption.WRITE, StandardOpenOption.CREATE); WriteHandler handler = new WriteHandler(); ByteBuffer dataBuffer = getDataBuffer(); Attachment attach = new Attachment(); attach.asyncChannel = afc;//from w w w . j a v a2s . c o m attach.buffer = dataBuffer; attach.path = path; afc.write(dataBuffer, 0, attach, handler); System.out.println("Sleeping for 5 seconds..."); Thread.sleep(5000); }
From source file:Main.java
public static void main(String[] args) { List<String> texts = new ArrayList<>(); texts.add("test"); texts.add("test"); Path dest = Paths.get("twinkle.txt"); Charset cs = Charset.forName("US-ASCII"); try {//from ww w.j ava 2 s . co m Path p = Files.write(dest, texts, cs, StandardOpenOption.WRITE, StandardOpenOption.CREATE); System.out.println("Text was written to " + p.toAbsolutePath()); } catch (IOException e) { e.printStackTrace(); } }
From source file:Main.java
public static void main(String[] args) throws Exception { Path path = Paths.get("test.txt"); try (AsynchronousFileChannel afc = AsynchronousFileChannel.open(path, StandardOpenOption.WRITE, StandardOpenOption.CREATE)) { ByteBuffer dataBuffer = getDataBuffer(); Future<Integer> result = afc.write(dataBuffer, 0); while (!result.isDone()) { System.out.println("Sleeping for 2 seconds..."); Thread.sleep(2000);/*from w ww.jav a 2 s .com*/ } int writtenBytes = result.get(); System.out.format("%s bytes written to %s%n", writtenBytes, path.toAbsolutePath()); } catch (IOException e) { e.printStackTrace(); } }
From source file:org.eclipse.mylyn.docs.examples.GenerateEPUB.java
public static void main(String[] args) { // clean up from last run try {/*from ww w . ja v a2s . c om*/ Files.delete(Paths.get("loremipsum.html")); Files.delete(Paths.get("loremipsum.epub")); } catch (IOException e1) { /* no worries */ } try ( // read MarkDown FileReader fr = new FileReader("loremipsum.md"); // and output HTML Writer fw = Files.newBufferedWriter(Paths.get("loremipsum.html"), StandardOpenOption.CREATE)) { // generate HTML from markdown MarkupParser parser = new MarkupParser(); parser.setMarkupLanguage(new MarkdownLanguage()); HtmlDocumentBuilder builder = new HtmlDocumentBuilder(fw); parser.setBuilder(builder); parser.parse(fr, true); // convert any inline equations in the HTML into MathML String html = new String(Files.readAllBytes(Paths.get("loremipsum.html"))); StringBuffer sb = new StringBuffer(); Matcher m = EQUATION.matcher(html); // for each equation while (m.find()) { // replace the LaTeX code with MathML m.appendReplacement(sb, laTeX2MathMl(m.group())); } m.appendTail(sb); // EPUB 2.0 can only handle embedded SVG so we find all referenced // SVG files and replace the reference with the actual SVG code Document parse = Jsoup.parse(sb.toString(), "UTF-8", Parser.xmlParser()); Elements select = parse.select("img"); for (Element element : select) { String attr = element.attr("src"); if (attr.endsWith(".svg")) { byte[] svg = Files.readAllBytes(Paths.get(attr)); element.html(new String(svg)); } } // write back the modified HTML-file Files.write(Paths.get("loremipsum.html"), sb.toString().getBytes(), StandardOpenOption.WRITE); // instantiate a new EPUB version 2 publication Publication pub = Publication.getVersion2Instance(); // include referenced resources (default is false) pub.setIncludeReferencedResources(true); // title and subject is required pub.addTitle("EclipseCon Demo"); pub.addSubject("EclipseCon Demo"); // generate table of contents (default is true) pub.setGenerateToc(true); epub.add(pub); // add one chapter pub.addItem(Paths.get("loremipsum.html").toFile()); // create the EPUB epub.pack(new File("loremipsum.epub")); } catch (Exception e) { e.printStackTrace(); } }
From source file:AndroidUninstallStock.java
@SuppressWarnings("static-access") public static void main(String[] args) { try {/*from w w w . j a v a 2 s . c om*/ String lang = Locale.getDefault().getLanguage(); GnuParser cmdparser = new GnuParser(); Options cmdopts = new Options(); for (String fld : Arrays.asList("shortOpts", "longOpts", "optionGroups")) { // hack for printOptions java.lang.reflect.Field fieldopt = cmdopts.getClass().getDeclaredField(fld); fieldopt.setAccessible(true); fieldopt.set(cmdopts, new LinkedHashMap<>()); } cmdopts.addOption("h", "help", false, "Help"); cmdopts.addOption("t", "test", false, "Show only report"); cmdopts.addOption(OptionBuilder.withLongOpt("adb").withArgName("file").hasArg() .withDescription("Path to ADB from Android SDK").create("a")); cmdopts.addOption(OptionBuilder.withLongOpt("dev").withArgName("device").hasArg() .withDescription("Select device (\"adb devices\")").create("d")); cmdopts.addOption(null, "restore", false, "If packages have not yet removed and are disabled, " + "you can activate them again"); cmdopts.addOption(null, "google", false, "Delete packages are in the Google section"); cmdopts.addOption(null, "unapk", false, "Delete /system/app/ *.apk *.odex *.dex" + System.lineSeparator() + "(It is required to repeat command execution)"); cmdopts.addOption(null, "unlib", false, "Delete /system/lib/[libs in apk]"); //cmdopts.addOption(null, "unfrw", false, "Delete /system/framework/ (special list)"); cmdopts.addOption(null, "scanlibs", false, "(Dangerous!) Include all the libraries of selected packages." + " Use with --unlib"); cmdopts.addOptionGroup(new OptionGroup() { { addOption(OptionBuilder.withLongOpt("genfile").withArgName("file").hasArg().isRequired() .withDescription("Create file with list packages").create()); addOption(OptionBuilder.withLongOpt("lang").withArgName("ISO 639").hasArg().create()); } }); cmdopts.getOption("lang").setDescription( "See hl= in Google URL (default: " + lang + ") " + "for description from Google Play Market"); CommandLine cmd = cmdparser.parse(cmdopts, args); if (args.length == 0 || cmd.hasOption("help")) { PrintWriter console = new PrintWriter(System.out); HelpFormatter cmdhelp = new HelpFormatter(); cmdhelp.setOptionComparator(new Comparator<Option>() { @Override public int compare(Option o1, Option o2) { return 0; } }); console.println("WARNING: Before use make a backup with ClockworkMod Recovery!"); console.println(); console.println("AndroidUninstallStock [options] [AndroidListSoft.xml]"); cmdhelp.printOptions(console, 80, cmdopts, 3, 2); console.flush(); return; } String adb = cmd.getOptionValue("adb", "adb"); try { run(adb, "start-server"); } catch (IOException e) { System.out.println("Error: Not found ADB! Use -a or --adb"); return; } final boolean NotTest = !cmd.hasOption("test"); String deverror = getDeviceStatus(adb, cmd.getOptionValue("dev")); if (!deverror.isEmpty()) { System.out.println(deverror); return; } System.out.println("Getting list packages:"); LinkedHashMap<String, String> apklist = new LinkedHashMap<String, String>(); for (String ln : run(adb, "-s", lastdevice, "shell", "pm list packages -s -f")) { // "pm list packages" give list sorted by packages ;) String pckg = ln.substring("package:".length()); String pckgname = ln.substring(ln.lastIndexOf('=') + 1); pckg = pckg.substring(0, pckg.length() - pckgname.length() - 1); if (!pckgname.equals("android") && !pckgname.equals("com.android.vending")/*Google Play Market*/) { apklist.put(pckg, pckgname); } } for (String ln : run(adb, "-s", lastdevice, "shell", "ls /system/app/")) { String path = "/system/app/" + ln.replace(".odex", ".apk").replace(".dex", ".apk"); if (!apklist.containsKey(path)) { apklist.put(path, ""); } } apklist.remove("/system/app/mcRegistry"); for (Map.Entry<String, String> info : sortByValues(apklist).entrySet()) { System.out.println(info.getValue() + " = " + info.getKey()); } String genfile = cmd.getOptionValue("genfile"); if (genfile != null) { Path genpath = Paths.get(genfile); try (BufferedWriter gen = Files.newBufferedWriter(genpath, StandardCharsets.UTF_8, new StandardOpenOption[] { StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE })) { if (cmd.getOptionValue("lang") != null) { lang = cmd.getOptionValue("lang"); } LinkedHashSet<String> listsystem = new LinkedHashSet<String>() { { add("com.android"); add("com.google.android"); //add("com.sec.android.app"); add("com.monotype.android"); add("eu.chainfire.supersu"); } }; // \r\n for Windows Notepad gen.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n"); gen.write("<!-- & raplace with & or use <![CDATA[ ]]> -->\r\n"); gen.write("<AndroidUninstallStock>\r\n\r\n"); gen.write("<Normal>\r\n"); System.out.println(); System.out.println("\tNormal:"); writeInfo(gen, apklist, lang, listsystem, true); gen.write("\t<apk name=\"Exclude Google and etc\">\r\n"); for (String exc : listsystem) { gen.write("\t\t<exclude global=\"true\" in=\"package\" pattern=\"" + exc + "\" />\r\n"); } gen.write("\t</apk>\r\n"); gen.write("</Normal>\r\n\r\n"); gen.write("<Google>\r\n"); System.out.println(); System.out.println("\tGoogle:"); writeInfo(gen, apklist, lang, listsystem, false); gen.write("</Google>\r\n\r\n"); gen.write("</AndroidUninstallStock>\r\n"); System.out.println("File " + genpath.toAbsolutePath() + " created."); } return; } String[] FileName = cmd.getArgs(); if (!(FileName.length > 0 && Files.isReadable(Paths.get(FileName[0])))) { System.out.println("Error: File " + FileName[0] + " not found!"); return; } DocumentBuilderFactory xmlfactory = getXmlDocFactory(); // DocumentBuilder.setErrorHandler() for print errors Document xml = xmlfactory.newDocumentBuilder().parse(new File(FileName[0])); LinkedList<AusInfo> Normal = new LinkedList<AusInfo>(); LinkedList<AusInfo> Google = new LinkedList<AusInfo>(); NodeList ndaus = xml.getElementsByTagName("AndroidUninstallStock").item(0).getChildNodes(); for (int ndausx = 0, ndausc = ndaus.getLength(); ndausx < ndausc; ndausx++) { Node ndnow = ndaus.item(ndausx); NodeList nd = ndnow.getChildNodes(); String ndname = ndnow.getNodeName(); for (int ndx = 0, ndc = nd.getLength(); ndx < ndc; ndx++) { if (!nd.item(ndx).getNodeName().equalsIgnoreCase("apk")) { continue; } if (ndname.equalsIgnoreCase("Normal")) { Normal.add(getApkInfo(nd.item(ndx))); } else if (ndname.equalsIgnoreCase("Google")) { Google.add(getApkInfo(nd.item(ndx))); } } } // FIXME This part must be repeated until the "pm uninstall" will not issue "Failure" on all packages. // Now requires a restart. System.out.println(); System.out.println("Include and Exclude packages (Normal):"); LinkedHashMap<String, String> apkNormal = getApkFromPattern(apklist, Normal, false); System.out.println(); System.out.println("Global Exclude packages (Normal):"); apkNormal = getApkFromPattern(apkNormal, Normal, true); System.out.println(); System.out.println("Final list packages (Normal):"); for (Map.Entry<String, String> info : sortByValues(apkNormal).entrySet()) { System.out.println(info.getValue() + " = " + info.getKey()); } LinkedHashMap<String, String> apkGoogle = new LinkedHashMap<String, String>(); if (cmd.hasOption("google")) { System.out.println(); System.out.println("Include and Exclude packages (Google):"); apkGoogle = getApkFromPattern(apklist, Google, false); System.out.println(); System.out.println("Global Exclude packages (Google):"); apkGoogle = getApkFromPattern(apkGoogle, Google, true); System.out.println(); System.out.println("Final list packages (Google):"); for (Map.Entry<String, String> info : sortByValues(apkGoogle).entrySet()) { System.out.println(info.getValue() + " = " + info.getKey()); } } if (NotTest) { if (!hasRoot(adb)) { System.out.println("No Root"); System.out.println(); System.out.println("FINISH :)"); return; } } if (cmd.hasOption("restore")) { System.out.println(); System.out.println("Enable (Restore) packages (Normal):"); damage(adb, "pm enable ", NotTest, apkNormal, 2); if (cmd.hasOption("google")) { System.out.println(); System.out.println("Enable (Restore) packages (Google):"); damage(adb, "pm enable ", NotTest, apkGoogle, 2); } System.out.println(); System.out.println("FINISH :)"); return; } else { System.out.println(); System.out.println("Disable packages (Normal):"); damage(adb, "pm disable ", NotTest, apkNormal, 2); if (cmd.hasOption("google")) { System.out.println(); System.out.println("Disable packages (Google):"); damage(adb, "pm disable ", NotTest, apkGoogle, 2); } } if (!cmd.hasOption("unapk") && !cmd.hasOption("unlib")) { System.out.println(); System.out.println("FINISH :)"); return; } // Reboot now not needed /*if (NotTest) { reboot(adb, "-s", lastdevice, "reboot"); if (!hasRoot(adb)) { System.out.println("No Root"); System.out.println(); System.out.println("FINISH :)"); return; } }*/ if (cmd.hasOption("unlib")) { // "find" not found System.out.println(); System.out.println("Getting list libraries:"); LinkedList<String> liblist = new LinkedList<String>(); liblist.addAll(run(adb, "-s", lastdevice, "shell", "ls -l /system/lib/")); String dircur = "/system/lib/"; for (int x = 0; x < liblist.size(); x++) { if (liblist.get(x).startsWith("scan:")) { dircur = liblist.get(x).substring("scan:".length()); liblist.remove(x); x--; } else if (liblist.get(x).startsWith("d")) { String dir = liblist.get(x).substring(liblist.get(x).lastIndexOf(':') + 4) + "/"; liblist.remove(x); x--; liblist.add("scan:/system/lib/" + dir); liblist.addAll(run(adb, "-s", lastdevice, "shell", "ls -l /system/lib/" + dir)); continue; } liblist.set(x, dircur + liblist.get(x).substring(liblist.get(x).lastIndexOf(':') + 4)); System.out.println(liblist.get(x)); } final boolean scanlibs = cmd.hasOption("scanlibs"); LinkedHashMap<String, String> libNormal = getLibFromPatternInclude(adb, liblist, apkNormal, Normal, "Normal", scanlibs); libNormal = getLibFromPatternGlobalExclude(libNormal, Normal, "Normal"); System.out.println(); System.out.println("Final list libraries (Normal):"); for (Map.Entry<String, String> info : sortByValues(libNormal).entrySet()) { System.out.println(info.getKey() + " = " + info.getValue()); } LinkedHashMap<String, String> libGoogle = new LinkedHashMap<String, String>(); if (cmd.hasOption("google")) { libGoogle = getLibFromPatternInclude(adb, liblist, apkGoogle, Google, "Google", scanlibs); libGoogle = getLibFromPatternGlobalExclude(libGoogle, Google, "Google"); System.out.println(); System.out.println("Final list libraries (Google):"); for (Map.Entry<String, String> info : sortByValues(libGoogle).entrySet()) { System.out.println(info.getKey() + " = " + info.getValue()); } } LinkedHashMap<String, String> apkExclude = new LinkedHashMap<String, String>(apklist); for (String key : apkNormal.keySet()) { apkExclude.remove(key); } for (String key : apkGoogle.keySet()) { apkExclude.remove(key); } System.out.println(); System.out.println("Include libraries from Exclude packages:"); LinkedHashMap<String, String> libExclude = getLibFromPackage(adb, liblist, apkExclude); System.out.println(); System.out.println("Enclude libraries from Exclude packages (Normal):"); for (Map.Entry<String, String> info : sortByValues(libNormal).entrySet()) { if (libExclude.containsKey(info.getKey())) { System.out.println("exclude: " + info.getKey() + " = " + libExclude.get(info.getKey())); libNormal.remove(info.getKey()); } } System.out.println(); System.out.println("Enclude libraries from Exclude packages (Google):"); for (Map.Entry<String, String> info : sortByValues(libGoogle).entrySet()) { if (libExclude.containsKey(info.getKey())) { System.out.println("exclude: " + info.getKey() + " = " + libExclude.get(info.getKey())); libGoogle.remove(info.getKey()); } } System.out.println(); System.out.println("Delete libraries (Normal):"); damage(adb, "rm ", NotTest, libNormal, 1); if (cmd.hasOption("google")) { System.out.println(); System.out.println("Delete libraries (Google):"); damage(adb, "rm ", NotTest, libGoogle, 1); } } if (cmd.hasOption("unapk")) { System.out.println(); System.out.println("Cleaning data packages (Normal):"); damage(adb, "pm clear ", NotTest, apkNormal, 2); if (cmd.hasOption("google")) { System.out.println(); System.out.println("Cleaning data packages (Google):"); damage(adb, "pm clear ", NotTest, apkGoogle, 2); } System.out.println(); System.out.println("Uninstall packages (Normal):"); damage(adb, "pm uninstall ", NotTest, apkNormal, 2); if (cmd.hasOption("google")) { System.out.println(); System.out.println("Uninstall packages (Google):"); damage(adb, "pm uninstall ", NotTest, apkGoogle, 2); } } if (cmd.hasOption("unapk")) { System.out.println(); System.out.println("Delete packages (Normal):"); LinkedHashMap<String, String> dexNormal = new LinkedHashMap<String, String>(); for (Map.Entry<String, String> apk : apkNormal.entrySet()) { dexNormal.put(apk.getKey(), apk.getValue()); dexNormal.put(apk.getKey().replace(".apk", ".dex"), apk.getValue()); dexNormal.put(apk.getKey().replace(".apk", ".odex"), apk.getValue()); } damage(adb, "rm ", NotTest, dexNormal, 1); if (cmd.hasOption("google")) { System.out.println(); System.out.println("Delete packages (Google):"); LinkedHashMap<String, String> dexGoogle = new LinkedHashMap<String, String>(); for (Map.Entry<String, String> apk : apkGoogle.entrySet()) { dexGoogle.put(apk.getKey(), apk.getValue()); dexGoogle.put(apk.getKey().replace(".apk", ".dex"), apk.getValue()); dexGoogle.put(apk.getKey().replace(".apk", ".odex"), apk.getValue()); } damage(adb, "rm ", NotTest, dexGoogle, 1); } } if (NotTest) { run(adb, "-s", lastdevice, "reboot"); } System.out.println(); System.out.println("FINISH :)"); } catch (SAXException e) { System.out.println("Error parsing list: " + e); } catch (Throwable e) { e.printStackTrace(); } }
From source file:neembuu.uploader.external.HttpUtil.java
public static void update(String url, Path localPath, final Content c) throws IOException { NUHttpGet httpGet = new NUHttpGet(url); // you cannot use the same http client, or else the program will // simply get stuck. This update thing happens concurrently. // more than 10-20 plugins might update in parallel. // How? user may click button very fast, that's how. HttpResponse httpResponse = NUHttpClient.newHttpClient().execute(httpGet); try (FileChannel fc = FileChannel.open(localPath, StandardOpenOption.WRITE, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING)) { long contentLength = httpResponse.getEntity().getContentLength(); fc.transferFrom(wrap(httpResponse.getEntity().getContent(), httpResponse.getEntity(), c, contentLength), 0, contentLength);// w ww . j ava 2 s . com } }