Java Code Examples for java.text.DecimalFormat

The following examples show how to use java.text.DecimalFormat. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source Project: DMusic   Author: Dsiner   File: Util.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * 返回数据大小(byte)对应文本
 */
public static String formatSize(long size) {
    DecimalFormat format = new DecimalFormat("####.00");
    if (size < 1024) {
        return size + "bytes";
    } else if (size < 1024 * 1024) {
        float kb = size / 1024f;
        return format.format(kb) + "KB";
    } else if (size < 1024 * 1024 * 1024) {
        float mb = size / (1024 * 1024f);
        return format.format(mb) + "MB";
    } else {
        float gb = size / (1024 * 1024 * 1024f);
        return format.format(gb) + "GB";
    }
}
 
Example #2
Source Project: buffer_bci   Author: jadref   File: RelativeDateFormat.java    License: GNU General Public License v3.0 6 votes vote down vote up
/**
 * Creates a new instance.
 *
 * @param baseMillis  the time zone (<code>null</code> not permitted).
 */
public RelativeDateFormat(long baseMillis) {
    super();
    this.baseMillis = baseMillis;
    this.showZeroDays = false;
    this.showZeroHours = true;
    this.positivePrefix = "";
    this.dayFormatter = NumberFormat.getNumberInstance();
    this.daySuffix = "d";
    this.hourFormatter = NumberFormat.getNumberInstance();
    this.hourSuffix = "h";
    this.minuteFormatter = NumberFormat.getNumberInstance();
    this.minuteSuffix = "m";
    this.secondFormatter = NumberFormat.getNumberInstance();
    this.secondFormatter.setMaximumFractionDigits(3);
    this.secondFormatter.setMinimumFractionDigits(3);
    this.secondSuffix = "s";

    // we don't use the calendar or numberFormat fields, but equals(Object)
    // is failing without them being non-null
    this.calendar = new GregorianCalendar();
    this.numberFormat = new DecimalFormat("0");
}
 
Example #3
Source Project: ASTRAL   Author: smirarab   File: AbstractInference.java    License: Apache License 2.0 6 votes vote down vote up
public AbstractInference(Options options, List<Tree> trees,
		List<Tree> extraTrees, List<Tree> toRemoveExtraTrees) {
	super();
	this.options = options;
	this.trees = trees;
	this.extraTrees = extraTrees;
	this.removeExtraTree = options.isRemoveExtraTree();
	this.toRemoveExtraTrees = toRemoveExtraTrees;
	
	df = new DecimalFormat();
	df.setMaximumFractionDigits(2);
	DecimalFormatSymbols dfs = DecimalFormatSymbols.getInstance();
	dfs.setDecimalSeparator('.');
	df.setDecimalFormatSymbols(dfs);

}
 
Example #4
Source Project: pentaho-kettle   Author: pentaho   File: RowGeneratorMeta.java    License: Apache License 2.0 6 votes vote down vote up
public void setDefault() {
  int i, nrfields = 0;

  allocate( nrfields );

  DecimalFormat decimalFormat = new DecimalFormat();

  for ( i = 0; i < nrfields; i++ ) {
    fieldName[i] = "field" + i;
    fieldType[i] = "Number";
    fieldFormat[i] = "\u00A40,000,000.00;\u00A4-0,000,000.00";
    fieldLength[i] = 9;
    fieldPrecision[i] = 2;
    currency[i] = decimalFormat.getDecimalFormatSymbols().getCurrencySymbol();
    decimal[i] = new String( new char[] { decimalFormat.getDecimalFormatSymbols().getDecimalSeparator() } );
    group[i] = new String( new char[] { decimalFormat.getDecimalFormatSymbols().getGroupingSeparator() } );
    value[i] = "-";
    setEmptyString[i] = false;
  }

  rowLimit = "10";
  neverEnding = false;
  intervalInMs = "5000";
  rowTimeField = "now";
  lastTimeField = "FiveSecondsAgo";
}
 
Example #5
Source Project: hottub   Author: dsrg-uoft   File: NumberFormatProviderImpl.java    License: GNU General Public License v2.0 6 votes vote down vote up
/**
 * Adjusts the minimum and maximum fraction digits to values that
 * are reasonable for the currency's default fraction digits.
 */
private static void adjustForCurrencyDefaultFractionDigits(
        DecimalFormat format, DecimalFormatSymbols symbols) {
    Currency currency = symbols.getCurrency();
    if (currency == null) {
        try {
            currency = Currency.getInstance(symbols.getInternationalCurrencySymbol());
        } catch (IllegalArgumentException e) {
        }
    }
    if (currency != null) {
        int digits = currency.getDefaultFractionDigits();
        if (digits != -1) {
            int oldMinDigits = format.getMinimumFractionDigits();
            // Common patterns are "#.##", "#.00", "#".
            // Try to adjust all of them in a reasonable way.
            if (oldMinDigits == format.getMaximumFractionDigits()) {
                format.setMinimumFractionDigits(digits);
                format.setMaximumFractionDigits(digits);
            } else {
                format.setMinimumFractionDigits(Math.min(digits, oldMinDigits));
                format.setMaximumFractionDigits(digits);
            }
        }
    }
}
 
Example #6
Source Project: sailfish-core   Author: exactpro   File: FIXMatrixUtil.java    License: Apache License 2.0 6 votes vote down vote up
@Description("Calculates the checksum of FIX message. "
        +"Msg - the message for which checksum needs to be calculated;<br>"
        +"Delimiter - the separator of the message fields;<br>"
        +"Example: <br> "
        +"For this message '8=FIX.4.4|9=122|35=D|34=215|49=CLIENT12|52=20100225-19:41:57.316|56=B|1=Marcel|11=13346|21=1|40=2|44=5|54=1|59=0|60=20100225-19:39:52.020|' <br> "
        +"exec calculateChecksum(msg,'|') return checksum is 072"
)
@UtilityMethod
public String calculateChecksum(String msg, char delimiter) {
    char[] chars = msg.replace(delimiter, '\001').toCharArray();
    int checksum = 0;
    for (char c:chars){
        checksum+=c;
    }

    DecimalFormat formatter = new DecimalFormat("000");

    return formatter.format(checksum & 0xFF);
}
 
Example #7
Source Project: morpheus-core   Author: zavtech   File: Parser.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Returns a newly created Parser for Double
 * @param pattern   the decimal format pattern
 * @param multiplier    the multiplier to apply
 * @return  newly created Parser
 */
public static Parser<Double> ofDouble(String pattern, int multiplier) {
    final DecimalFormat decimalFormat = createDecimalFormat(pattern, multiplier);
    return new ParserOfDouble(defaultNullCheck, value -> {
        try {
            return decimalFormat.parse(value);
        } catch (Exception ex) {
            throw new FormatException("Failed to parse value into double: " + value, ex);
        }
    });
}
 
Example #8
Source Project: javaanpr   Author: oskopek   File: RecognitionPerformanceIT.java    License: Educational Community License v2.0 5 votes vote down vote up
/**
 * Goes through all the test images and measures the time it took to recognize them all.
 * <p>
 * This is only an information test right now, doesn't fail.
 *
 * @throws Exception an Exception
 */
@Test
public void testAllSnapshots() throws Exception {

    final int measurementCount = 2;
    final int repetitions = 100;
    List<Long> timeList = new ArrayList<>();
    List<String> plateList = new ArrayList<>(repetitions * (measurementCount + 5) * carSnapshots.size());
    for (int i = 0; i < measurementCount + 1; i++) {
        long start = System.currentTimeMillis();

        for (int j = 0; j < repetitions; j++) {
            for (CarSnapshot snap : carSnapshots) {
                String plateText = intelligence.recognize(snap);
                plateList.add(plateText);
            }
        }

        long end = System.currentTimeMillis();
        long duration = end - start;
        if (i != 0) { // first is a warmup run
            timeList.add(duration);
        }
    }

    DecimalFormat format = new DecimalFormat("#0.00");

    logger.info("Images:\t{}\tTime spent:\t{}ms", carSnapshots.size(),
            format.format(TestUtility.average(timeList)));
    assertEquals(repetitions * (measurementCount + 1) * carSnapshots.size(), plateList.size());
}
 
Example #9
Source Project: Tomcat8-Source-Read   Author: chenmudu   File: SocketValidateReceive.java    License: MIT License 5 votes vote down vote up
private static void printStats(long start, double mb, int count,
        DecimalFormat df, BigDecimal total) {
    long time = System.currentTimeMillis();
    double seconds = ((double)(time-start))/1000;
    System.out.println("Throughput " + df.format(mb/seconds) +
            " MB/seconds messages " + count + ", total " + mb +
            " MB, total " + total + " bytes.");
}
 
Example #10
Source Project: jts   Author: metteo   File: SVGWriter.java    License: GNU Lesser General Public License v2.1 5 votes vote down vote up
/**
 *  Creates the <code>DecimalFormat</code> used to write <code>double</code>s
 *  with a sufficient number of decimal places.
 *
 *@param  precisionModel  the <code>PrecisionModel</code> used to determine
 *      the number of decimal places to write.
 *@return                 a <code>DecimalFormat</code> that write <code>double</code>
 *      s without scientific notation.
 */
private static DecimalFormat createFormatter(PrecisionModel precisionModel) {
  // the default number of decimal places is 16, which is sufficient
  // to accomodate the maximum precision of a double.
  int decimalPlaces = precisionModel.getMaximumSignificantDigits();
  // specify decimal separator explicitly to avoid problems in other locales
  DecimalFormatSymbols symbols = new DecimalFormatSymbols();
  symbols.setDecimalSeparator('.');
  String fmtString = "0" + (decimalPlaces > 0 ? "." : "")
               +  stringOfChar('#', decimalPlaces);
  return new DecimalFormat(fmtString, symbols);
}
 
Example #11
Source Project: closure-stylesheets   Author: google   File: GssFunctions.java    License: Apache License 2.0 5 votes vote down vote up
@Override
protected CssNumericNode calculate(List<CssNumericNode> args,
    ErrorManager errorManager) throws GssFunctionException {
  if (args.size() == 0) {
    throw error("Not enough arguments",
                errorManager, args.get(0).getSourceCodeLocation());
  }

  double total = Double.valueOf(args.get(0).getNumericPart());
  String overallUnit = args.get(0).getUnit();

  for (CssNumericNode node : args.subList(1, args.size())) {
    if (node.getUnit() != null
        && !node.getUnit().equals(CssNumericNode.NO_UNITS)) {
      throw error(
          "Only the first argument may have a unit associated with it, "
          + " but has unit: " + node.getUnit(),
          errorManager, node.getSourceCodeLocation());
    }

    double value = Double.valueOf(node.getNumericPart());
    total = performOperation(total, value);
  }
  String resultString = new DecimalFormat(DECIMAL_FORMAT, US_SYMBOLS).format(total);

  return new CssNumericNode(resultString,
      overallUnit != null ? overallUnit : CssNumericNode.NO_UNITS,
      args.get(0).getSourceCodeLocation());
}
 
Example #12
Source Project: ECG-Viewer   Author: CBLRIT   File: StandardTickUnitSource.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Returns a tick unit that is larger than the supplied unit.
 *
 * @param unit  the unit (<code>null</code> not permitted).
 *
 * @return A tick unit that is larger than the supplied unit.
 */
@Override
public TickUnit getLargerTickUnit(TickUnit unit) {
    double x = unit.getSize();
    double log = Math.log(x) / LOG_10_VALUE;
    double higher = Math.ceil(log);
    return new NumberTickUnit(Math.pow(10, higher),
            new DecimalFormat("0.0E0"));
}
 
Example #13
Source Project: tsml   Author: uea-machine-learning   File: kNN.java    License: GNU General Public License v3.0 5 votes vote down vote up
public static void test1NNvsIB1(boolean norm){
        System.out.println("FIRST BASIC SANITY TEST FOR THIS WRAPPER");
        System.out.print("Compare 1-NN with IB1, normalisation turned");
        String str=norm?" on":" off";
        System.out.println(str);
        System.out.println("Compare on the UCI data sets");
        System.out.print("If normalisation is off, then there may be differences");
        kNN knn = new kNN(1);
        IBk ib1=new IBk(1);
        knn.normalise(norm);
        int diff=0;
        DecimalFormat df = new DecimalFormat("####.###");
        for(String s:DatasetLists.uciFileNames){
            Instances train=DatasetLoading.loadDataNullable("Z:/ArchiveData/Uci_arff/"+s+"/"+s+"-train");
            Instances test=DatasetLoading.loadDataNullable("Z:/ArchiveData/Uci_arff/"+s+"/"+s+"-test");
            try{
                knn.buildClassifier(train);
//                ib1.buildClassifier(train);
                ib1.buildClassifier(train);
                double a1=ClassifierTools.accuracy(test, knn);
                double a2=ClassifierTools.accuracy(test, ib1);
                if(a1!=a2){
                    diff++;
                    System.out.println(s+": 1-NN ="+df.format(a1)+" ib1="+df.format(a2));
                }
            }catch(Exception e){
                System.out.println(" Exception builing a classifier");
                System.exit(0);
            }
        }
         System.out.println("Total problems ="+DatasetLists.uciFileNames.length+" different on "+diff);
    }
 
Example #14
Source Project: FimiX8-SDFG   Author: wladimir-computin   File: ByteHexHelper.java    License: MIT License 5 votes vote down vote up
public static String currentData() {
    StringBuffer stringBuffer = new StringBuffer();
    DecimalFormat decimalFormat = new DecimalFormat("00");
    Calendar calendar = Calendar.getInstance();
    String year = decimalFormat.format((long) calendar.get(1));
    String month = decimalFormat.format((long) (calendar.get(2) + 1));
    String day = decimalFormat.format((long) calendar.get(5));
    String hour = decimalFormat.format((long) calendar.get(11));
    String minute = decimalFormat.format((long) calendar.get(12));
    String second = decimalFormat.format((long) calendar.get(13));
    stringBuffer.append(year.substring(2, year.length())).append(month).append(day).append(hour).append(minute).append(second).append(decimalFormat.format((long) (calendar.get(7) - 1)));
    System.out.println(stringBuffer.toString());
    return stringBuffer.toString();
}
 
Example #15
Source Project: opensim-gui   Author: opensim-org   File: IKToolPanel.java    License: Apache License 2.0 5 votes vote down vote up
/** Creates new form IKToolPanel */
public IKToolPanel(Model model) throws IOException {
   if(model==null) throw new IOException("IKToolPanel got null model");

   ikToolModel = new IKToolModel(model);

   if (numFormat instanceof DecimalFormat) {
     ((DecimalFormat) numFormat).applyPattern("###0.#########");
   }
   
   helpButton.addActionListener(new ActionListener() {

         public void actionPerformed(ActionEvent ae) {
             BrowserLauncher.openURL("https://simtk-confluence.stanford.edu/display/OpenSim40/Inverse+Kinematics");
         }
   });

   initComponents();
   bindPropertiesToComponents();

   setSettingsFileDescription("IK tool settings file");

   jTabbedPane.addTab("Weights", new IKTaskSetPanel(ikToolModel.getIKCommonModel()));

   markerFileName.setExtensionsAndDescription(".trc", "IK trial marker data");
   coordinateFileName.setExtensionsAndDescription(".mot,.sto", "Coordinates of IK trial");
   outputMotionFilePath.setExtensionsAndDescription(".mot", "Result motion file for IK");
   outputMotionFilePath.setIncludeOpenButton(false);
   outputMotionFilePath.setDirectoriesOnly(false);
   outputMotionFilePath.setCheckIfFileExists(false);
   outputMotionFilePath.setSaveMode(true);
   updateModelDataFromModel();
   updateFromModel();

   ikToolModel.addObserver(this);
}
 
Example #16
Source Project: j2objc   Author: google   File: DecimalFormatTest.java    License: Apache License 2.0 5 votes vote down vote up
public void test_equals() {
    DecimalFormat format = (DecimalFormat) NumberFormat.getInstance(Locale.US);
    DecimalFormat cloned = (DecimalFormat) format.clone();
    cloned.setDecimalFormatSymbols(new DecimalFormatSymbols(Locale.US));
    assertEquals(format, cloned);

    Currency c = Currency.getInstance(Locale.US);
    cloned.setCurrency(c);

    assertEquals(format, cloned);
}
 
Example #17
Source Project: opensim-gui   Author: opensim-org   File: MarkerDataInfoPanel.java    License: Apache License 2.0 5 votes vote down vote up
/** Creates new form TRCFileInfoPanel */
public MarkerDataInfoPanel() {
   if (doubleFormat instanceof DecimalFormat) {
     ((DecimalFormat) doubleFormat).applyPattern("###0.#########");
   }

   initComponents();
}
 
Example #18
Source Project: proteus   Author: flipkart-incubator   File: Function.java    License: Apache License 2.0 5 votes vote down vote up
@NonNull
@Override
public Value call(Context context, Value data, int dataIndex, Value... arguments) throws Exception {
  double number = Double.parseDouble(arguments[0].getAsString());
  DecimalFormat formatter = getFormatter(arguments);
  formatter.setRoundingMode(RoundingMode.FLOOR);
  formatter.setMinimumFractionDigits(0);
  formatter.setMaximumFractionDigits(2);
  return new Primitive(formatter.format(number));
}
 
Example #19
Source Project: stockMarket   Author: daichaoren   File: TopBlockMarketEntity.java    License: MIT License 5 votes vote down vote up
public TopBlockMarketEntity(String strEastMoney){
    String [] strList = strEastMoney.split(",");
    //保留两位2小数
    DecimalFormat decimalFormat=new DecimalFormat(".00");
    this.blockCode = strList[1];
    this.blockName = strList[2];
    this.blockIncreasePercent = MyTime.convertEastMoneyFloat(strList[3]);
    this.TopStockCode = strList[7];
    this.TopStockName = strList[9];
    this.TopStockIncreasePercent = MyTime.convertEastMoneyFloat(strList[11]);
}
 
Example #20
Source Project: openjdk-jdk9   Author: AdoptOpenJDK   File: TieRoundingTest.java    License: GNU General Public License v2.0 5 votes vote down vote up
static void formatOutputTestObject(NumberFormat nf,
                                   Object someNumber,
                                   String tiePosition,
                                   String inputDigits,
                                   String expectedOutput) {

    int mfd = nf.getMaximumFractionDigits();
    RoundingMode rm = nf.getRoundingMode();
    String result = nf.format(someNumber);

    if (!result.equals(expectedOutput)) {
        System.out.println();
        System.out.println("========================================");
        System.out.println("***Failure : error formatting value from string : " +
                           inputDigits);
        System.out.println("NumberFormat pattern is  : " +
                           ((DecimalFormat ) nf).toPattern());
        System.out.println("Maximum number of fractional digits : " + mfd);
        System.out.println("Fractional rounding digit : " + (mfd + 1));
        System.out.println("Position of value relative to tie : " + tiePosition);
        System.out.println("Rounding Mode : " + rm);
        System.out.println("Number self output representation: " + someNumber);
        System.out.println(
           "Error. Formatted result different from expected." +
           "\nExpected output is : \"" + expectedOutput + "\"" +
           "\nFormated output is : \"" + result + "\"");
        System.out.println("========================================");
        System.out.println();

        errorCounter++;
        allPassed = false;
    } else {
        testCounter++;
        System.out.print("Success. Number input :" + inputDigits);
        System.out.print(", rounding : " + rm);
        System.out.print(", fract digits : " + mfd);
        System.out.print(", tie position : " + tiePosition);
        System.out.println(", expected : " + expectedOutput);
    }
}
 
Example #21
Source Project: dremio-oss   Author: dremio   File: NumericToCharFunctions.java    License: Apache License 2.0 5 votes vote down vote up
public void setup() {
    buffer = buffer.reallocIfNeeded(100);
    byte[] buf = new byte[right.end - right.start];
    right.buffer.getBytes(right.start, buf, 0, right.end - right.start);
    String inputFormat = new String(buf);
    outputFormat = new java.text.DecimalFormat(inputFormat);
}
 
Example #22
Source Project: Ic2ExpReactorPlanner   Author: MauveCloud   File: MaterialsList.java    License: GNU General Public License v2.0 5 votes vote down vote up
@Override
public String toString() {
    StringBuilder result = new StringBuilder(1000);
    DecimalFormat materialDecimalFormat = new DecimalFormat(getI18n("UI.MaterialDecimalFormat"));
    for (Map.Entry<String, Double> entrySet : materials.entrySet()) {
        double count = entrySet.getValue();
        String formattedNumber = materialDecimalFormat.format(count);
        result.append(String.format("%s %s\n", formattedNumber, entrySet.getKey())); //NOI18N
    }
    return result.toString();
}
 
Example #23
Source Project: astor   Author: SpoonLabs   File: StandardCategoryToolTipGeneratorTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * A test for bug 1481087.
 */
public void testEquals1481087() {
    StandardCategoryToolTipGenerator g1 
        = new StandardCategoryToolTipGenerator("{0}", 
                new DecimalFormat("0.00"));
    StandardCategoryItemLabelGenerator g2 
        = new StandardCategoryItemLabelGenerator("{0}", 
                new DecimalFormat("0.00"));
    assertFalse(g1.equals(g2));
}
 
Example #24
Source Project: apkextractor   Author: ghmxr   File: ExportingDialog.java    License: GNU General Public License v3.0 5 votes vote down vote up
public void setProgressOfWriteBytes(long current,long total){
    if(current<0)return;
    if(current>total)return;
    progressBar.setMax((int)(total/1024));
    progressBar.setProgress((int)(current/1024));
    DecimalFormat dm=new DecimalFormat("#.00");
    int percent=(int)(Double.valueOf(dm.format((double)current/total))*100);
    att_right.setText(Formatter.formatFileSize(getContext(),current)+"/"+Formatter.formatFileSize(getContext(),total)+"("+percent+"%)");
}
 
Example #25
Source Project: hadoop   Author: naver   File: QueueCLI.java    License: Apache License 2.0 5 votes vote down vote up
private void printQueueInfo(PrintWriter writer, QueueInfo queueInfo) {
  writer.print("Queue Name : ");
  writer.println(queueInfo.getQueueName());

  writer.print("\tState : ");
  writer.println(queueInfo.getQueueState());
  DecimalFormat df = new DecimalFormat("#.0");
  writer.print("\tCapacity : ");
  writer.println(df.format(queueInfo.getCapacity() * 100) + "%");
  writer.print("\tCurrent Capacity : ");
  writer.println(df.format(queueInfo.getCurrentCapacity() * 100) + "%");
  writer.print("\tMaximum Capacity : ");
  writer.println(df.format(queueInfo.getMaximumCapacity() * 100) + "%");
  writer.print("\tDefault Node Label expression : ");
  if (null != queueInfo.getDefaultNodeLabelExpression()) {
    writer.println(queueInfo.getDefaultNodeLabelExpression());
  } else {
    writer.println();
  }

  Set<String> nodeLabels = queueInfo.getAccessibleNodeLabels();
  StringBuilder labelList = new StringBuilder();
  writer.print("\tAccessible Node Labels : ");
  for (String nodeLabel : nodeLabels) {
    if (labelList.length() > 0) {
      labelList.append(',');
    }
    labelList.append(nodeLabel);
  }
  writer.println(labelList.toString());
}
 
Example #26
Source Project: dctb-utfpr-2018-1   Author: diogocezar   File: Creature.java    License: Apache License 2.0 5 votes vote down vote up
public double constantMultiplier() {
    double max=1.66, min=1.1;
    double random = min + Math.random() * (max - min);
    DecimalFormat decimal = new DecimalFormat("#.##");
    String rS = decimal.format(random);
    return(Double.parseDouble(rS.replace(",", ".")));
}
 
Example #27
Source Project: streaminer   Author: mayconbordin   File: Bin.java    License: Apache License 2.0 5 votes vote down vote up
public JSONArray toJSON(DecimalFormat format) {
  JSONArray binJSON = new JSONArray();
  binJSON.add(NumberUtil.roundNumber(_mean, format));
  binJSON.add(NumberUtil.roundNumber(_count, format));
  _target.addJSON(binJSON, format);
  return binJSON;
}
 
Example #28
Source Project: lams   Author: lamsfoundation   File: DataFormatter.java    License: GNU General Public License v2.0 5 votes vote down vote up
public InternalDecimalFormatWithScale(String pattern, DecimalFormatSymbols symbols) {
    df = new DecimalFormat(trimTrailingCommas(pattern), symbols);
    setExcelStyleRoundingMode(df);
    Matcher endsWithCommasMatcher = endsWithCommas.matcher(pattern);
    if (endsWithCommasMatcher.find()) {
        String commas = (endsWithCommasMatcher.group(1));
        BigDecimal temp = BigDecimal.ONE;
        for (int i = 0; i < commas.length(); ++i) {
            temp = temp.multiply(ONE_THOUSAND);
        }
        divider = temp;
    } else {
        divider = null;
    }
}
 
Example #29
Source Project: jdk8u_jdk   Author: JetBrains   File: TestgetPatternSeparator_ja.java    License: GNU General Public License v2.0 5 votes vote down vote up
public static void main(String[] argv) throws Exception {
    DecimalFormat df = (DecimalFormat)NumberFormat.getInstance(Locale.JAPAN);
    DecimalFormatSymbols dfs = df.getDecimalFormatSymbols();
    if (dfs.getPatternSeparator() != ';') {
        throw new Exception("DecimalFormatSymbols.getPatternSeparator doesn't return ';' in ja locale");
    }
}
 
Example #30
Source Project: metanome-algorithms   Author: HPI-Information-Systems   File: DataTypes.java    License: Apache License 2.0 5 votes vote down vote up
public static boolean isDecimal(String input) {
  try {
    DecimalFormatSymbols symbols = new DecimalFormatSymbols();
    symbols.setGroupingSeparator(',');
    symbols.setDecimalSeparator('.');
    String pattern = "#,##0.0#";
    DecimalFormat decimalFormat = new DecimalFormat(pattern, symbols);
    BigDecimal bigDecimal = (BigDecimal) decimalFormat.parse(input);
    return true;
  } catch (Exception ex) {
    return false;
  }
}