Example usage for java.lang Number toString

Introduction

In this page you can find the example usage for java.lang Number toString.

Prototype

public String toString() 

Source Link

Document

Returns a string representation of the object.

Usage

From source file:com.amazonaws.hal.client.ConversionUtil.java

private static Object convertFromNumber(Class<?> clazz, Number value) {
    if (String.class.isAssignableFrom(clazz)) {
        return value.toString();
    } else if (int.class.isAssignableFrom(clazz) || Integer.class.isAssignableFrom(clazz)) {
        return value.intValue();
    } else if (long.class.isAssignableFrom(clazz) || Long.class.isAssignableFrom(clazz)) {
        return value.longValue();
    } else if (short.class.isAssignableFrom(clazz) || Short.class.isAssignableFrom(clazz)) {
        return value.shortValue();
    } else if (double.class.isAssignableFrom(clazz) || Double.class.isAssignableFrom(clazz)) {
        return value.doubleValue();
    } else if (float.class.isAssignableFrom(clazz) || Float.class.isAssignableFrom(clazz)) {
        return value.floatValue();
    } else if (boolean.class.isAssignableFrom(clazz) || Boolean.class.isAssignableFrom(clazz)) {
        return Boolean.valueOf(value.toString());
    } else if (char.class.isAssignableFrom(clazz) || Character.class.isAssignableFrom(clazz)) {
        if (value.longValue() <= 255) {
            return (char) value.longValue();
        } else {/* ww w.  j  av  a 2 s  .c o  m*/
            throw new RuntimeException("Not sure how to convert " + value + " to a " + clazz.getSimpleName());
        }
    } else if (byte.class.isAssignableFrom(clazz) || Byte.class.isAssignableFrom(clazz)) {
        return value.byteValue();
    } else if (BigDecimal.class.isAssignableFrom(clazz)) {
        return new BigDecimal(value.toString());
    } else if (BigInteger.class.isAssignableFrom(clazz)) {
        // Necessary because BigInteger(long) is a private method and we need to convert the Number to a long to
        // prevent the constructor from throwing a NumberFormatException Example: BigInteger(1.2)
        return new BigInteger(String.valueOf(value.longValue()));
    } else if (Date.class.isAssignableFrom(clazz)) {
        return new Date(value.longValue());
    } else if (clazz.isEnum()) {
        try {
            //noinspection unchecked
            return Enum.valueOf((Class<Enum>) clazz, value.toString());
        } catch (IllegalArgumentException e) {
            log.error(String.format(
                    "'%s' is not a recognized enum value for %s.  Returning default of %s instead.", value,
                    clazz.getName(), clazz.getEnumConstants()[0]));

            return clazz.getEnumConstants()[0];
        }
    } else {
        throw new RuntimeException("Not sure how to convert " + value + " to a " + clazz.getSimpleName());
    }
}

---

From source file:playground.benjamin.scenarios.zurich.analysis.charts.BkChartWriter.java

public static void writeChartDataToFile(String filename, JFreeChart chart) {
    filename += ".txt";
    try {//w  w w. j a va  2s.  c  o  m
        BufferedWriter writer = IOUtils.getBufferedWriter(filename);
        try { /*read "try" as if (plot instanceof XYPlot)*/
            XYPlot xy = chart.getXYPlot();
            String yAxisLabel = xy.getRangeAxis().getLabel();

            String xAxisLabel = "";
            if (xy.getDomainAxis() != null) {
                xAxisLabel = xy.getDomainAxis().getLabel();
            }
            String header = xAxisLabel + "\t " + yAxisLabel;
            writer.write(header);
            writer.newLine();
            for (int i = 0; i < xy.getDatasetCount(); i++) {
                XYDataset xyds = xy.getDataset(i);
                for (int seriesIndex = 0; seriesIndex < xyds.getSeriesCount(); seriesIndex++) {
                    writer.newLine();
                    writer.write("Series " + "'" + xyds.getSeriesKey(seriesIndex).toString());
                    writer.write("'");
                    writer.newLine();
                    int items = xyds.getItemCount(seriesIndex);
                    for (int itemsIndex = 0; itemsIndex < items; itemsIndex++) {
                        Number xValue = xyds.getX(seriesIndex, itemsIndex);
                        Number yValue = xyds.getY(seriesIndex, itemsIndex);
                        writer.write(xValue.toString());
                        writer.write("\t");
                        writer.write(yValue.toString());
                        writer.newLine();
                    }
                }
            }
            System.out.println("Table written to : " + filename + "\n"
                    + "==================================================");

        } catch (ClassCastException e) { //else instanceof CategoryPlot
            log.info("caught class cast exception, trying to write CategoryPlot");
            CategoryPlot cp = chart.getCategoryPlot();
            String header = "CategoryRowKey \t CategoryColumnKey \t CategoryRowIndex \t CategoryColumnIndex \t Value";
            writer.write(header);
            writer.newLine();
            for (int i = 0; i < cp.getDatasetCount(); i++) {
                CategoryDataset cpds = cp.getDataset(i);
                for (int rowIndex = 0; rowIndex < cpds.getRowCount(); rowIndex++) {
                    for (int columnIndex = 0; columnIndex < cpds.getColumnCount(); columnIndex++) {
                        Number value = cpds.getValue(rowIndex, columnIndex);
                        writer.write(cpds.getRowKey(rowIndex).toString());
                        writer.write("\t");
                        writer.write(cpds.getColumnKey(columnIndex).toString());
                        writer.write("\t");
                        writer.write(Integer.toString(rowIndex));
                        writer.write("\t");
                        writer.write(Integer.toString(columnIndex));
                        writer.write("\t");
                        writer.write(value.toString());
                        writer.newLine();
                    }
                }
            }

        }
        writer.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

}

---

From source file:org.openvpms.web.resource.i18n.format.NumberFormatter.java

/**
 * Formats a currency amount.//ww w.j a  va 2  s .  co m
 * <p/>
 * When using {@link Messages}, this should be used to format amounts instead of using currency MessageFormats.
 * This is due to the fact that {@link Messages} uses the browser's locale to format messages, which may have a
 * different currency symbol to that of the practice.
 *
 * @param amount the amount. May be {@code null}
 * @return the formatted amount, or {@code null} if {@code value} is {@code null}
 */
public static String formatCurrency(Number amount) {
    String result;
    if (amount != null) {
        try {
            result = getCurrencyFormat().format(amount);
        } catch (IllegalArgumentException exception) {
            result = amount.toString();
        }
    } else {
        result = null;
    }
    return result;
}

---

From source file:org.openvpms.web.resource.i18n.format.NumberFormatter.java

/**
 * Format a number.//from   w w w.  j  a v  a  2 s.  com
 *
 * @param value  the number to format. May be {@code null}
 * @param format the formatter
 * @return the formatted number, or {@code null} if {@code value} is {@code null}
 */
public static String format(Number value, NumberFormat format) {
    String result;
    if (value != null) {
        try {
            result = format.format(value);
        } catch (IllegalArgumentException exception) {
            result = value.toString();
        }
    } else {
        result = null;
    }
    return result;
}

---

From source file:org.apache.hadoop.hbase.util.JSONBean.java

private static void writeObject(final JsonGenerator jg, final boolean description, Object value)
        throws IOException {
    if (value == null) {
        jg.writeNull();/* ww w .  ja  v  a2  s  .  co  m*/
    } else {
        Class<?> c = value.getClass();
        if (c.isArray()) {
            jg.writeStartArray();
            int len = Array.getLength(value);
            for (int j = 0; j < len; j++) {
                Object item = Array.get(value, j);
                writeObject(jg, description, item);
            }
            jg.writeEndArray();
        } else if (value instanceof Number) {
            Number n = (Number) value;
            jg.writeNumber(n.toString());
        } else if (value instanceof Boolean) {
            Boolean b = (Boolean) value;
            jg.writeBoolean(b);
        } else if (value instanceof CompositeData) {
            CompositeData cds = (CompositeData) value;
            CompositeType comp = cds.getCompositeType();
            Set<String> keys = comp.keySet();
            jg.writeStartObject();
            for (String key : keys) {
                writeAttribute(jg, key, null, cds.get(key));
            }
            jg.writeEndObject();
        } else if (value instanceof TabularData) {
            TabularData tds = (TabularData) value;
            jg.writeStartArray();
            for (Object entry : tds.values()) {
                writeObject(jg, description, entry);
            }
            jg.writeEndArray();
        } else {
            jg.writeString(value.toString());
        }
    }
}

---

From source file:eu.crisis_economics.configuration.FromFileConfigurationContext.java

private static String scanForNamesAndReplace(String expression, String name, Number value) {
    int cursor = 0;
    String replacement = value.toString(), result = expression;
    int replacementCursorDelta = replacement.length() - name.length();
    while (true) {
        cursor = result.indexOf(name, cursor);
        if (cursor == -1)
            break;
        int nextCharAfterWordIndex = cursor + name.length();
        if (nextCharAfterWordIndex == result.length()) {
            result = result.substring(0, cursor) + replacement;
            break;
        }//from  ww  w  . jav a 2s  .c o m
        Character nextCharAfterWord = result.charAt(nextCharAfterWordIndex);
        if (Character.isLetter(nextCharAfterWord) || nextCharAfterWord == '_')
            ++cursor;
        else {
            result = result.substring(0, cursor) + replacement + result.substring(nextCharAfterWordIndex);
            cursor += replacementCursorDelta;
        }
    }
    return result;
}

---

From source file:org.nuxeo.ecm.core.search.api.client.querymodel.descriptor.QueryModelDescriptor.java

protected static void appendNumberArray(StringBuilder queryBuilder, Number[] numbers) {
    queryBuilder.append('(');
    List<String> params = new ArrayList<String>(numbers.length);
    for (Number param : numbers) {
        params.add(param.toString());
    }/* w w  w.  java  2 s  .c om*/
    queryBuilder.append(StringUtils.join(params, ", "));
    queryBuilder.append(')');
}

---

From source file:com.meterware.httpunit.HttpUnitUtils.java

/**
 * Returns a string representation of a number, trimming off any trailing decimal zeros.
 *//*from   w  ww  .  j  a  va 2  s  . c  o  m*/
static String trimmedValue(Number number) {
    String rawNumber = number.toString();
    if (rawNumber.indexOf('.') == -1)
        return rawNumber;

    int index = rawNumber.length();
    while (rawNumber.charAt(index - 1) == '0')
        index--;
    if (rawNumber.charAt(index - 1) == '.')
        index--;
    return rawNumber.substring(0, index);
}

---

From source file:com.kcs.core.utilities.Utility.java

public static String getXmlString(Number number) {
    return (Utility.isNull(number) ? StringUtil.BLANK : number.toString());
}

---

From source file:org.vulpe.view.struts.tags.StrutsFunctions.java

/**
 *
 * @param pageContext/*from   ww  w . jav a 2s.  com*/
 * @param property
 * @param contentType
 * @param contentDisposition
 * @return
 * @throws JspException
 */
public static String linkProperty(final PageContext pageContext, final String property,
        final String contentType, final String contentDisposition) throws JspException {
    String baseName = "entity.";
    final VulpeBaseDetailConfig detailConfig = (VulpeBaseDetailConfig) eval(pageContext, "${targetConfig}");
    if (detailConfig != null) {
        final Number index = (Number) eval(pageContext,
                "${".concat(detailConfig.getBaseName()).concat("_status.index}"));
        baseName = eval(pageContext, "${targetConfigPropertyName}").toString().concat("[")
                .concat(index.toString()).concat("].");
    }

    final String key = (property.contains(baseName)) ? property : baseName.concat(property);

    final Object value = getProperty(pageContext, property);
    if (VulpeValidationUtil.isNotEmpty(value)) {
        saveInSession(key, value, false);
    }

    return linkKey(key, contentType, contentDisposition);
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• »