Example usage for java.text DecimalFormatSymbols getInstance

Introduction

In this page you can find the example usage for java.text DecimalFormatSymbols getInstance.

Prototype

public static final DecimalFormatSymbols getInstance(Locale locale) 

Source Link

Document

Gets the DecimalFormatSymbols instance for the specified locale.

Usage

From source file:org.openestate.io.core.NumberUtils.java

/**
 * Test, if a string contains a parsable number.
 *
 * @param value/*from  ww  w .  j  av a 2 s. c  o  m*/
 * the value to check
 *
 * @param locale
 * the locale, against which the value is checked
 * (checks locale specific decimal and grouping separators)
 *
 * @return
 * true, if the provided value contains of numbers
 */
public static boolean isNumeric(String value, Locale locale) {
    if (value == null)
        return false;
    int start = 0;

    final DecimalFormatSymbols symbols = (locale != null) ? DecimalFormatSymbols.getInstance(locale)
            : DecimalFormatSymbols.getInstance();

    if (value.startsWith("+") || value.startsWith("-"))
        start++;
    boolean fraction = false;
    for (int i = start; i < value.length(); i++) {
        final char c = value.charAt(i);
        if (c == symbols.getDecimalSeparator() && !fraction) {
            fraction = true;
            continue;
        }
        //if (c==symbols.getGroupingSeparator() && !fraction)
        //{
        //  continue;
        //}
        if (!Character.isDigit(c)) {
            return false;
        }
    }
    return true;
}

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From source file:ai.grakn.graql.internal.util.StringConverter.java

/**
 * @param value a value in the graph/*from w w  w.java 2s  . com*/
 * @return the string representation of the value (using quotes if it is already a string)
 */
public static String valueToString(Object value) {
    if (value instanceof String) {
        return quoteString((String) value);
    } else if (value instanceof Double) {
        DecimalFormat df = new DecimalFormat("#", DecimalFormatSymbols.getInstance(Locale.ENGLISH));
        df.setMinimumFractionDigits(1);
        df.setMaximumFractionDigits(12);
        df.setMinimumIntegerDigits(1);
        return df.format(value);
    } else {
        return value.toString();
    }
}

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From source file:MondrianConnector.java

public ArrayList<LinkedHashMap<String, String>> ExecuteQuery(Query queryObject) throws Exception {
    System.setProperty("mondrian.olap.SsasCompatibleNaming", "true");
    String connectionString = getConnectionString(queryObject);
    RolapConnection connection = (RolapConnection) DriverManager.getConnection(connectionString, null);
    mondrian.olap.Query query = connection.parseQuery(queryObject.getMdxQuery());
    Result result = connection.execute(query);
    ArrayList<LinkedHashMap<String, String>> data = new ArrayList<LinkedHashMap<String, String>>();
    DecimalFormat df = new DecimalFormat("0", DecimalFormatSymbols.getInstance(Locale.ENGLISH));
    df.setMaximumFractionDigits(340); //340 = DecimalFormat.DOUBLE_FRACTION_DIGITS
    if (result.getAxes().length == 1) {
        //Only One Axis has come so
        ArrayList<String> measures = new ArrayList<String>();
        for (Position p : result.getAxes()[0].getPositions()) {
            measures.add(p.get(0).getUniqueName().toString());
        }//from w ww. ja va  2s. c o m
        LinkedHashMap<String, String> row = new LinkedHashMap<String, String>();
        for (int i = 0; i < measures.size(); i++) {

            Object value = result.getCell(new int[] { i }).getValue();
            if (value == null) {
                row.put(measures.get(i), null);
            } else if (value instanceof Integer) {
                row.put(measures.get(i), ((Integer) value).toString());
            } else if (value instanceof Double) {
                row.put(measures.get(i), df.format(value));
            } else {
                row.put(measures.get(i), value.toString());
            }
        }
        data.add(row);
    } else if (result.getAxes().length == 2) {
        ArrayList<String> measures = new ArrayList<String>();
        for (Position p : result.getAxes()[0].getPositions()) {
            measures.add(p.get(0).getUniqueName().toString());
        }
        ArrayList<ArrayList<DimensionItem>> dimensionItems = new ArrayList<ArrayList<DimensionItem>>();
        for (Position p : result.getAxes()[1].getPositions()) {
            ArrayList<DimensionItem> itemsAtRow = new ArrayList<DimensionItem>();
            for (Object item : p.toArray()) {
                RolapMemberBase member = (RolapMemberBase) item;
                itemsAtRow.add(new DimensionItem(member.getLevel().getHierarchy().toString(),
                        member.getCaption().toString()));
            }
            dimensionItems.add(itemsAtRow);
        }
        for (int ix = 0; ix < dimensionItems.size(); ix++) {
            LinkedHashMap<String, String> row = new LinkedHashMap<String, String>();
            for (DimensionItem item : dimensionItems.get(ix)) {
                row.put(item.getLevel(), item.getCaption());
            }
            for (int i = 0; i < measures.size(); i++) {
                Object value = result.getCell(new int[] { i, ix }).getValue();
                if (value == null) {
                    row.put(measures.get(i), "0");
                } else {
                    if (value instanceof Integer) {
                        row.put(measures.get(i), ((Integer) value).toString());
                    } else if (value instanceof Double) {
                        row.put(measures.get(i), df.format(value));
                    } else {
                        row.put(measures.get(i), value.toString());
                    }
                }
            }
            data.add(row);
        }
    }
    return data;
}

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From source file:org.structr.core.parser.function.NumberFormatFunction.java

@Override
public Object apply(final ActionContext ctx, final GraphObject entity, final Object[] sources)
        throws FrameworkException {

    if (sources == null || sources != null && sources.length != 3) {
        return usage(ctx.isJavaScriptContext());
    }//w w  w .  j  av a  2  s .  co  m

    if (arrayHasLengthAndAllElementsNotNull(sources, 3)) {

        if (StringUtils.isBlank(sources[0].toString())) {
            return "";
        }

        try {

            Double val = Double.parseDouble(sources[0].toString());
            String langCode = sources[1].toString();
            String pattern = sources[2].toString();

            return new DecimalFormat(pattern, DecimalFormatSymbols.getInstance(Locale.forLanguageTag(langCode)))
                    .format(val);

        } catch (Throwable t) {
        }
    }

    return "";
}

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From source file:org.structr.common.LogCommandsTest.java

public void test01TestSequentialWriteRead() {

    try {/*  ww  w  .j  a va 2  s. co  m*/

        int number = 100;
        String logPageKey = "test1";
        long t0 = System.nanoTime();

        for (int i = 0; i < number; i++) {

            writeLogCommand.execute(logPageKey, new String[] { "foo" + i, "bar" });
        }

        long t1 = System.nanoTime();
        DecimalFormat decimalFormat = new DecimalFormat("0.000000000",
                DecimalFormatSymbols.getInstance(Locale.ENGLISH));
        Double time = (t1 - t0) / 1000000000.0;
        Double rate = number / ((t1 - t0) / 1000000000.0);

        logger.log(Level.INFO, "Created {0} log entries in {1} seconds ({2} per s)",
                new Object[] { number, decimalFormat.format(time), decimalFormat.format(rate) });

        Map<String, Object> result = (Map<String, Object>) readLogCommand.execute(logPageKey);

        for (Entry<String, Object> entry : result.entrySet()) {

            String key = entry.getKey();
            Object val = entry.getValue();

            assertTrue(val instanceof String[]);

            String[] values = (String[]) val;

            // System.out.println(key + ": " + StringUtils.join(values, ","));

        }

        assertEquals(number, result.size());

        for (int i = 0; i < number; i++) {

            writeLogCommand.execute(logPageKey, new String[] { "foo" + i, "bar" });
        }

        result = (Map<String, Object>) readLogCommand.execute(logPageKey);

        assertTrue(result.size() == 2 * number);

    } catch (FrameworkException ex) {

        logger.log(Level.SEVERE, ex.toString());
        fail("Unexpected exception");

    }

}

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From source file:org.echocat.locela.api.java.format.NumberFormatter.java

@Nonnull
protected FormatAndPattern evaluate(@Nonnull Locale locale, @Nullable String pattern) {
    final FormatAndPattern result;
    if (isEmpty(pattern)) {
        result = new FormatAndPattern(DEFAULT.toFormat(locale), DEFAULT.getId());
    } else {/*from  w ww  .  ja  va  2s . c  o m*/
        final Pattern predefined = Pattern.NAME_TO_PATTERN.get(pattern);
        if (predefined != null) {
            result = new FormatAndPattern(predefined.toFormat(locale), predefined.getId());
        } else {
            result = new FormatAndPattern(new DecimalFormat(pattern, DecimalFormatSymbols.getInstance(locale)),
                    pattern);
        }
    }
    return result;
}

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From source file:tagtime.beeminder.BeeminderGraph.java

/**
 * Parses a graph's data and sets up a .bee file to track which tags
 * have been submitted to the graph./*w  w w . ja  v a  2 s . c  om*/
 * @param username The user's Beeminder username.
 * @param dataEntry The data entry for the current graph. This must
 *            be in the format "graphName|tags".
 */
public BeeminderGraph(TagTime tagTimeInstance, String username, String dataEntry) {
    if (username == null || dataEntry == null) {
        throw new IllegalArgumentException(
                "Both parameters to the " + "BeeminderGraphData constructor must be defined.");
    }

    this.tagTimeInstance = tagTimeInstance;

    int decimalDigits = tagTimeInstance.settings.getIntValue(SettingType.PRECISION);
    hourFormatter = new DecimalFormat();
    hourFormatter.setGroupingUsed(false);
    hourFormatter.setDecimalFormatSymbols(DecimalFormatSymbols.getInstance(Locale.US));
    hourFormatter.setRoundingMode(RoundingMode.HALF_UP);
    hourFormatter.setMaximumFractionDigits(decimalDigits);
    roundingMultiplier = (int) Math.pow(10, decimalDigits);

    //find the graph name
    int graphDelim = dataEntry.indexOf('|');
    if (graphDelim < 0 || graphDelim >= dataEntry.length() - 1) {
        throw new IllegalArgumentException("dataEntry must be in " + "format \"graphname|tags\"");
    }
    graphName = dataEntry.substring(0, graphDelim);

    //get the tags
    String[] tags = dataEntry.substring(graphDelim + 1).split("\\s+");

    List<String> acceptedTags = new ArrayList<String>(3);
    List<String> rejectedTags = new ArrayList<String>(0);

    //enter the tags in the correct lists
    for (String tag : tags) {
        if (tag.charAt(0) == '-') {
            rejectedTags.add(tag.substring(1).toLowerCase());
        } else {
            acceptedTags.add(tag.toLowerCase());
        }
    }

    //make sure some tags were entered
    if (acceptedTags.size() == 0 && rejectedTags.size() == 0) {
        throw new IllegalArgumentException("No tags provided.");
    }

    tagMatcher = new TagMatcher(acceptedTags, rejectedTags);
}

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From source file:org.insightedge.TestCluster.java

private static String oneDigit(double value) {
    return new DecimalFormat("#0.0", DecimalFormatSymbols.getInstance(Locale.US)).format(value);
}

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From source file:org.structr.common.LogCommandsTest.java

public void test02TestUnknownPageKey() {

    try {//ww w .  j a v a 2  s  .c  o  m

        int number = 100;
        String logPageKey = "test1";
        long t0 = System.nanoTime();

        for (int i = 0; i < number; i++) {

            writeLogCommand.execute(logPageKey, new String[] { "foo" + i, "bar" });
        }

        long t1 = System.nanoTime();
        DecimalFormat decimalFormat = new DecimalFormat("0.000000000",
                DecimalFormatSymbols.getInstance(Locale.ENGLISH));
        Double time = (t1 - t0) / 1000000000.0;
        Double rate = number / ((t1 - t0) / 1000000000.0);

        logger.log(Level.INFO, "Created {0} log entries in {1} seconds ({2} per s)",
                new Object[] { number, decimalFormat.format(time), decimalFormat.format(rate) });

        logPageKey = "test2";

        Map<String, Object> result = (Map<String, Object>) readLogCommand.execute(logPageKey);

        assertTrue(result.isEmpty());

    } catch (FrameworkException ex) {

        logger.log(Level.SEVERE, ex.toString());
        fail("Unexpected exception");

    }

}

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From source file:net.sf.jasperreports.swing.JRViewerToolbar.java

public JRViewerToolbar(JRViewerController viewerContext) {
    this.viewerContext = viewerContext;
    this.viewerContext.addListener(this);

    zoomDecimalFormat = new DecimalFormat("#.##", DecimalFormatSymbols.getInstance(viewerContext.getLocale()));

    initComponents();/*w  w  w  .j  av a  2 s  .c o m*/
    initSaveContributors();
}

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