List of usage examples for org.apache.commons.lang3.math NumberUtils isNumber
public static boolean isNumber(final String str)
Checks whether the String a valid Java number.
Valid numbers include hexadecimal marked with the 0x or 0X qualifier, octal numbers, scientific notation and numbers marked with a type qualifier (e.g.
From source file:comparetopics.CompareTopics.java
/** * @param args the command line arguments *///from w w w . j av a 2s. c om public static void main(String[] args) { try { File file1 = new File( "/Users/apple/Desktop/graduation-project/topic-modeling/output/jhotdraw-extracted-code/keys.txt"); File file2 = new File( "/Users/apple/Desktop/graduation-project/topic-modeling/output/jhotdraw-extracted-code/keys.txt"); CompareTopics compareTopics = new CompareTopics(); String[] words1 = compareTopics.getWords(file1); String[] words2 = compareTopics.getWords(file2); StringBuffer words = new StringBuffer(); File outputFile = new File("/Users/apple/Desktop/test.txt"); if (outputFile.createNewFile()) { System.out.println("Create successful: " + outputFile.getName()); } boolean hasSame = false; for (String w1 : words1) { if (!NumberUtils.isNumber(w1)) { for (String w2 : words2) { if (w1.equals(w2)) { words.append(w1); // words.append("\r\n"); words.append(" "); hasSame = true; break; } } } } if (!hasSame) { System.out.println("No same word."); } else { compareTopics.printToFile(words.toString(), outputFile); } } catch (IOException ex) { Logger.getLogger(CompareTopics.class.getName()).log(Level.SEVERE, null, ex); } }
From source file:com.github.xbn.examples.lang.non_xbn.VerifyUserInputIsANumberWithIsNumber.java
public static final void main(String[] ignored) { int num = -1; boolean isNum = false; do {/*ww w .ja va 2 s . c o m*/ System.out.print("Number please: "); String strInput = (new Scanner(System.in)).next(); if (!NumberUtils.isNumber(strInput)) { System.out.println(strInput + " is not a number. Try again."); } else { //Safe to convert num = Integer.parseInt(strInput); isNum = true; } } while (!isNum); System.out.println("Number: " + num); }
From source file:com.github.xbn.examples.regexutil.non_xbn.UserInputNumInRangeWRegex.java
public static final void main(String[] ignored) { int num = -1; boolean isNum = false; int iRangeMax = 2055; //"": Dummy string, to reuse matcher Matcher mtchrNumNegThrPos = Pattern.compile("-?\\b(20(5[0-5]|[0-4][0-9])|1?[0-9]{1,3})\\b").matcher(""); do {// w w w.j av a2s. c o m System.out.print("Enter a number between -" + iRangeMax + " and " + iRangeMax + ": "); String strInput = (new Scanner(System.in)).next(); if (!NumberUtils.isNumber(strInput)) { System.out.println("Not a number. Try again."); } else if (!mtchrNumNegThrPos.reset(strInput).matches()) { System.out.println("Not in range. Try again."); } else { //Safe to convert num = Integer.parseInt(strInput); isNum = true; } } while (!isNum); System.out.println("Number: " + num); }
From source file:cn.com.sunjiesh.xcutils.common.VersionUtil.java
public static void main(String[] args) { System.out.println("NumberUtils.isNumber(version1)=" + NumberUtils.isNumber("2.3.1")); System.out.println("compareVersion=" + compareVersion("1.0", "2.3.1")); }
From source file:net.sfr.tv.mom.mgt.HornetqConsole.java
/** * @param args the command line arguments *///from w ww. j av a 2 s. c o m public static void main(String[] args) { try { String jmxHost = "127.0.0.1"; String jmxPort = "6001"; // Process command line arguments String arg; for (int i = 0; i < args.length; i++) { arg = args[i]; switch (arg) { case "-h": jmxHost = args[++i]; break; case "-p": jmxPort = args[++i]; break; default: break; } } // Check for arguments consistency if (StringUtils.isEmpty(jmxHost) || !NumberUtils.isNumber(jmxPort)) { LOGGER.info("Usage : "); LOGGER.info("hq-console.jar <-h host(127.0.0.1)> <-p port(6001)>\n"); System.exit(1); } System.out.println( SystemUtils.LINE_SEPARATOR.concat(Ansi.format("HornetQ Console ".concat(VERSION), Color.CYAN))); final StringBuilder _url = new StringBuilder("service:jmx:rmi://").append(jmxHost).append(':') .append(jmxPort).append("/jndi/rmi://").append(jmxHost).append(':').append(jmxPort) .append("/jmxrmi"); final String jmxServiceUrl = _url.toString(); JMXConnector jmxc = null; final CommandRouter router = new CommandRouter(); try { jmxc = JMXConnectorFactory.connect(new JMXServiceURL(jmxServiceUrl), null); assert jmxc != null; // jmxc must be not null } catch (final MalformedURLException e) { System.out.println(SystemUtils.LINE_SEPARATOR .concat(Ansi.format(jmxServiceUrl + " :" + e.getMessage(), Color.RED))); } catch (Throwable t) { System.out.println(SystemUtils.LINE_SEPARATOR.concat( Ansi.format("Unable to connect to JMX service URL : ".concat(jmxServiceUrl), Color.RED))); System.out.print(SystemUtils.LINE_SEPARATOR.concat( Ansi.format("Did you add jmx-staticport-agent.jar to your classpath ?", Color.MAGENTA))); System.out.println(SystemUtils.LINE_SEPARATOR.concat(Ansi.format( "Or did you set the com.sun.management.jmxremote.port option in the hornetq server startup script ?", Color.MAGENTA))); System.exit(-1); } System.out.println("\n".concat(Ansi .format("Successfully connected to JMX service URL : ".concat(jmxServiceUrl), Color.YELLOW))); final MBeanServerConnection mbsc = jmxc.getMBeanServerConnection(); // PRINT SERVER STATUS REPORT System.out.print((String) router.get(Command.STATUS, Option.VM).execute(mbsc, null)); System.out.print((String) router.get(Command.STATUS, Option.SERVER).execute(mbsc, null)); System.out.print((String) router.get(Command.STATUS, Option.CLUSTER).execute(mbsc, null)); printHelp(router); // START COMMAND LINE Scanner scanner = new Scanner(System.in); System.out.print("> "); String input; while (!(input = scanner.nextLine().concat(" ")).equals("exit ")) { String[] cliArgs = input.split("\\ "); CommandHandler handler; if (cliArgs.length < 1) { System.out.print("> "); continue; } Command cmd = Command.fromString(cliArgs[0]); if (cmd == null) { System.out.print(Ansi.format("Syntax error !", Color.RED).concat("\n")); cmd = Command.HELP; } switch (cmd) { case STATUS: case LIST: case DROP: Set<Option> options = router.get(cmd); for (Option opt : options) { if (cliArgs[1].equals(opt.toString())) { handler = router.get(cmd, opt); String[] cmdOpts = null; if (cliArgs.length > 2) { cmdOpts = new String[cliArgs.length - 2]; for (int i = 0; i < cmdOpts.length; i++) { cmdOpts[i] = cliArgs[2 + i]; } } Object result = handler.execute(mbsc, cmdOpts); if (result != null && String.class.isAssignableFrom(result.getClass())) { System.out.print((String) result); } System.out.print("> "); } } break; case FORK: // EXECUTE SYSTEM COMMAND ProcessBuilder pb = new ProcessBuilder(Arrays.copyOfRange(cliArgs, 1, cliArgs.length)); pb.inheritIO(); pb.start(); break; case HELP: printHelp(router); break; } } } catch (MalformedURLException ex) { LOGGER.log(Level.SEVERE, null, ex); } catch (IOException ex) { LOGGER.log(Level.SEVERE, null, ex); } echo(SystemUtils.LINE_SEPARATOR.concat(Ansi.format("Bye!", Color.CYAN))); }
From source file:cn.sixlab.sixutil.StrUtil.java
/** * ??//from w w w . j av a2s . c o m * * @param str ? * @return {@code str}?true {@code str}false */ public static Boolean isNotNumber(String str) { return !NumberUtils.isNumber(str); }
From source file:dingwen.Command.java
public static void removeShapeCmd(String command, ShapeCache shapeCache) { BigInteger id = null;// w ww.j a v a 2s . com if (NumberUtils.isNumber(command.substring(command.indexOf(" ") + 1))) { id = new BigInteger(command.substring(command.indexOf(" ") + 1)); Shape shape = shapeCache.removeShape(id); if (shape == null) { System.out.println(CommonStatement.SHAPE_NOT_EXISTS); } else { System.out.println("Removed shape " + id + " : " + shape.toString()); } } else { System.out.println(CommonStatement.ID_INVALID); } }
From source file:com.github.arnabk.App.java
private static boolean checkParams(String args[]) { boolean ret = false; if (args.length < 2) { printUsage();/*from ww w .j a v a 2 s. c o m*/ } else { if (NumberUtils.isNumber(args[0])) { ret = true; } else { printUsage(); } } return ret; }
From source file:gov.nyc.doitt.gis.geoclient.service.domain.Borough.java
public static int parseInt(String boroughString) { if (NumberUtils.isNumber(boroughString)) { return Integer.valueOf(boroughString); }/*from w w w . j ava 2 s . c o m*/ for (Map.Entry<String, Integer> entry : NAMES.entrySet()) { if (entry.getKey().equalsIgnoreCase(boroughString)) { return entry.getValue(); } } return 0; }
From source file:it.f2informatica.core.aop.ServicesAspect.java
private static boolean isNotNumber(String value) { return !NumberUtils.isNumber(value); }