Example usage for java.text DecimalFormat DecimalFormat

List of usage examples for java.text DecimalFormat DecimalFormat

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Introduction

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

Prototype

public DecimalFormat(String pattern)

Source Link

Document

Creates a DecimalFormat using the given pattern and the symbols for the default java.util.Locale.Category#FORMAT FORMAT locale.

Usage

From source file:Main.java

/**
 * According station to get frequency string
 *
 * @param station for 100KZ, range 875-1080
 *
 * @return string like 87.5//from  w ww  .ja v  a  2  s  .c o m
 */
public static String formatStation(int station) {
    float frequency = (float) station / CONVERT_RATE;
    DecimalFormat decimalFormat = new DecimalFormat("0.0");
    return decimalFormat.format(frequency);
}

From source file:Main.java

private static double FormetFileSize(long fileS, int sizeType) {
    DecimalFormat df = new DecimalFormat("#.00");
    double fileSizeLong = 0;
    switch (sizeType) {
    case SIZETYPE_B:
        fileSizeLong = Double.valueOf(df.format((double) fileS));
        break;// ww  w.  j  av a  2s .  c  o m
    case SIZETYPE_KB:
        fileSizeLong = Double.valueOf(df.format((double) fileS / 1024));
        break;
    case SIZETYPE_MB:
        fileSizeLong = Double.valueOf(df.format((double) fileS / 1048576));
        break;
    case SIZETYPE_GB:
        fileSizeLong = Double.valueOf(df.format((double) fileS / 1073741824));
        break;
    default:
        break;
    }

    return fileSizeLong;
}

From source file:Main.java

public static String readableFileSize(long size) {
    if (size <= 0)
        return "0";
    final String[] units = new String[] { "Byte", "KB", "MB", "GB", "TB" };
    int digitGroups = (int) (Math.log10(size) / Math.log10(1024));
    return new DecimalFormat("#,##0.#").format(size / Math.pow(1024, digitGroups)) + " " + units[digitGroups];
}

From source file:Main.java

public static String getFileSize(long fileSize) {
    int freeUnit;
    for (freeUnit = 0; fileSize >= 100; freeUnit++) {
        fileSize /= 1024;/*from w w w  . j  a  va 2 s . c  o m*/
    }
    DecimalFormat decFormat = new DecimalFormat("0.0");
    String doubleString = decFormat.format(fileSize);
    StringBuffer buffer = new StringBuffer();
    buffer.append(doubleString);
    switch (freeUnit) {
    case 0:
        buffer.append("B");
        break;
    case 1:
        buffer.append("KB");
        break;
    case 2:
        buffer.append("MB");
        break;
    case 3:
        buffer.append("GB");
        break;
    case 4:
        buffer.append("TB");
        break;
    default:
        buffer.append("err");
        break;
    }
    return buffer.toString();
}

From source file:Main.java

public static String formatBalance(BigDecimal balance, String curr, boolean round, DecimalFormat format) {
    DecimalFormatSymbols dfs = new DecimalFormatSymbols();
    dfs.setDecimalSeparator(',');
    dfs.setGroupingSeparator(' ');
    DecimalFormat currency = format;
    if (currency == null) {
        if (!round) {
            currency = new DecimalFormat("#,##0.00 ");
        } else {//from w ww  .  ja  v a2  s. c o m
            currency = new DecimalFormat("#,##0 ");
        }
    }
    currency.setDecimalFormatSymbols(dfs);
    return currency.format(balance.doubleValue()) + curr;
}

From source file:br.com.pontocontrol.controleponto.ExtObject.java

protected static String formatNumber(String pattern, Object arg) {
    return new DecimalFormat(pattern).format(arg);
}

From source file:jp.co.opentone.bsol.framework.core.util.ConvertUtil.java

/**
 * 3???.// ww  w  . jav  a 2 s  .  c o  m
 * @param value 
 * @return 3?
 */
public static String formatNumber(Integer value) {
    DecimalFormat f = new DecimalFormat("#,##0");
    return value == null ? "" : f.format(value).toString();
}

From source file:Main.java

public static Double getBitmapsize(Bitmap bitmap, int sizeType) {
    long fileS = 0;
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) {
        //            fileS = bitmap.getByteCount();
        Bitmap.Config config = bitmap.getConfig();
        if (config == Bitmap.Config.RGB_565 || config == Bitmap.Config.ARGB_4444) {
            fileS = bitmap.getWidth() * bitmap.getHeight() * 2;
        } else if (config == Bitmap.Config.ALPHA_8) {
            fileS = bitmap.getWidth() * bitmap.getHeight();
        } else if (config == Bitmap.Config.ARGB_8888) {
            fileS = bitmap.getWidth() * bitmap.getHeight() * 4;
        }//  w w w . j a  v a 2s  . c  om
    } else {
        fileS = bitmap.getRowBytes() * bitmap.getHeight();// Pre HC-MR1
    }

    DecimalFormat df = new DecimalFormat("#.00");
    double fileSizeLong = 0;
    switch (sizeType) {
    case SIZETYPE_B:
        fileSizeLong = Double.valueOf(df.format((double) fileS));
        break;
    case SIZETYPE_KB:
        fileSizeLong = Double.valueOf(df.format((double) fileS / 1024));
        break;
    case SIZETYPE_MB:
        fileSizeLong = Double.valueOf(df.format((double) fileS / 1048576));
        break;
    case SIZETYPE_GB:
        fileSizeLong = Double.valueOf(df.format((double) fileS / 1073741824));
        break;
    default:
        break;
    }
    return fileSizeLong;
}

From source file:de.micromata.genome.gwiki.plugin.rogmp3_1_0.Mp3Stats.java

public static void genStatistics(Mp3Db db, XmlElement node) {
    DecimalFormat df = new DecimalFormat("#,###");
    node.add(Html.p(code("Komponisten: " + df.format(db.composers.table.size()))));
    List<Media> ml = db.getMedia();
    int cdc = 0;//  ww w . j a v a2s  .c  om
    for (Media m : ml) {
        String mc = m.get(Media.MEDIACOUNT);
        if (StringUtils.isBlank(mc) == true) {
            ++cdc;
            continue;
        }
        try {
            cdc += NumberUtils.createInteger(mc);
        } catch (NumberFormatException ex) {
            ++cdc;
        }
    }
    int tcest = 36000;
    node.add(Html.p(code("Medien: " + df.format(ml.size()) + ", single: " + df.format(cdc))));
    node.add(Html.p(code("Titel: " + df.format(db.title.table.size()))));
    node.add(Html.p(code("<i>Only Parts with trackinfo</i>:")));
    double factor = (double) tcest / (double) db.tracks.table.size();

    node.add(Html.p(code("Tracks: " + df.format(db.tracks.table.size()))));
    long timesec = 0;
    long sizebytes = 0;
    for (String[] td : db.tracks.table) {
        Track track = new Track(db, td);
        timesec += track.getTime();
        sizebytes += track.getSize();
    }
    long esttimesec = (long) (factor * timesec);
    SimpleDateFormat sd = new SimpleDateFormat("MM-dd HH:mm:ss");
    String dur = sd.format(new Date(timesec * 1000));
    String esdur = sd.format(new Date(esttimesec * 1000));
    String size = df.format(sizebytes);

    node.add(Html.p(code("Total time: " + dur + ", " + df.format((int) (timesec / 3600)) + " hours")));
    node.add(Html.p(code("Total size: " + size + " (Parts)")));

    node.add(Html.p(code("Orchester: " + df.format(db.orchesters.table.size()))));
    node.add(Html.p(code("Intepreten: " + df.format(db.interprets.table.size()))));
}

From source file:Main.java

public static String percent(double value1, double value2, int decimalPointAfterLength, boolean replaceWithZero,
        boolean removePercent) {
    StringBuffer buffString = new StringBuffer();
    buffString.append("#");
    if (decimalPointAfterLength > 0) {
        buffString.append(".");
    }/*from ww w . ja v a  2  s  .c om*/
    for (int w = 0; w < decimalPointAfterLength; w++) {
        buffString.append(replaceWithZero ? "0" : "#");
    }
    buffString.append("%");
    if (buffString.length() > 0) {
        String result = new DecimalFormat(buffString.toString()).format(value1 / value2);
        if (removePercent && result.length() > 0) {
            result = result.substring(0, result.length() - 1);
        }
        return result;
    } else {
        return null;
    }
}