Example usage for java.util Locale US

Introduction

In this page you can find the example usage for java.util Locale US.

Prototype

Locale US

To view the source code for java.util Locale US.

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Document

Useful constant for country.

Usage

From source file:Main.java

/**
 * Convert the current time in milliseconds to readable string as given format.
 * Notice: The time is counted since January 1, 1970 00:00:00.0 UTC.
 * @param format/*from  w  w w .  j  av a 2s  .c  om*/
 *     y year
 *     M month in the year
 *     d day
 *     h hours(12)
 *     H hours(24)
 *     m minute
 *     s second
 *     S millisecond
 *     E weekday
 *     D days in the year
 */
public static String convertMillisTime(long time_millis, String format) {
    if (time_millis <= 0) {
        return "";
    }

    String result = "";
    try {
        SimpleDateFormat dateFormat = new SimpleDateFormat(format, Locale.US);
        result = dateFormat.format(new Date(time_millis));
    } catch (IllegalArgumentException e) {
        e.printStackTrace();
    }

    return result;
}

From source file:Main.java

/**
 * Get the ip address for mesh usage(For mesh require the ip address hex uppercase without ".".
 * /*from  w w w .  j av a 2s. com*/
 * @param hostname the ip address, e.g. 192.168.1.2
 * @return ip address by hex without ".", e.g. C0A80102
 */
public static String getIpAddressForMesh(String hostname) {
    StringBuilder sb = new StringBuilder();
    String[] segments = hostname.split("\\.");
    int segment;
    String segmentHexStr;
    for (int i = 0; i < segments.length; i++) {
        // get the integer
        segment = Integer.parseInt(segments[i]);
        // transform the integer to hex
        segmentHexStr = Integer.toHexString(segment);
        // transform the hex string to uppercase
        segmentHexStr = segmentHexStr.toUpperCase(Locale.US);
        // append segmentHexStr to the sb
        if (segmentHexStr.length() == 1) {
            sb.append("0");
            sb.append(segmentHexStr);
        } else if (segmentHexStr.length() == 2) {
            sb.append(segmentHexStr);
        } else {
            throw new RuntimeException();
        }
    }
    return sb.toString();
}

From source file:Main.java

public static String formatDegreesCoordsAsStringNWSE(double degLat, double degLon) {

    double[] minutesLat = decimalDegreesToDegreeMinutes(degLat);
    double[] minutesLon = decimalDegreesToDegreeMinutes(degLon);

    return String.format(Locale.US,
            (degLat < 0 ? "S" : "N") + " %1$d %2$06.3f " + (degLon < 0 ? "W" : "E") + " %3$d %4$06.3f",
            (int) minutesLat[0], minutesLat[1], (int) minutesLon[0], minutesLon[1]);
}

From source file:Main.java

/**
 * Checks the validity of an argument, given a condition.  If the condition passes, the argument
 * is returned.  If not, an IllegalArgumentException is thrown.
 * @param arg The argument/* w  w  w.  ja v a  2  s .c o  m*/
 * @param condition The evaluated condition
 * @param argName The name of the argument field for use in the exception, if needed.
 * @return The argument, if condition is valid.
 * @throws IllegalArgumentException if the condition is invalid
 */
public static <T> T checkArg(T arg, boolean condition, String argName) {
    if (condition) {
        return arg;
    }
    throw new IllegalArgumentException(String.format(Locale.US, "Illegal argument for %s.", argName));
}

From source file:Main.java

/**
 * create a new filename based on the current time
 * @return/*ww  w .j av  a 2s  .  co  m*/
 */
@SuppressLint("SimpleDateFormat")
public static String createFileName() {
    File pictureFileDir = getAppDir();

    // display and log an error when a directory cant be found or created
    if (!pictureFileDir.exists() && !pictureFileDir.mkdirs()) {
        Log.d(TAG, "Can't create directory to save image.");
        return "";
    }

    // create a name for the picture based on the current date
    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.US);
    String date = dateFormat.format(new Date());
    String photoFile = "Picture_" + date + ".jpg";

    String fileName = pictureFileDir.getPath() + File.separator + photoFile;

    return fileName;
}

From source file:Main.java

public static byte[] decodeHex(String str) {
    str = str.toLowerCase(Locale.US);
    int len = str.length();
    byte[] data = new byte[len / 2];
    for (int i = 0; i < len; i += 2) {
        data[i / 2] = (byte) ((Character.digit(str.charAt(i), 16) << 4)
                + Character.digit(str.charAt(i + 1), 16));
    }// w w w . j  ava 2s  .c  o  m
    return data;
}

From source file:Main.java

/**
 * Get simple date format instance/*  w w  w  .ja v  a  2  s.c  o  m*/
 *
 * @param pattern - Patter to make {@link SimpleDateFormat}
 * @return
 */
private static SimpleDateFormat getSimpleDateFormat(String pattern) {
    return new SimpleDateFormat(pattern, Locale.US);
}

From source file:Main.java

/**
 * Converts text to lower case using {@link Locale#US}.
 *
 * @param text The text to convert./*  w  w  w .jav a 2  s. co  m*/
 * @return The lower case text, or null if {@code text} is null.
 */
public static String toLowerInvariant(String text) {
    return text == null ? null : text.toLowerCase(Locale.US);
}

From source file:Main.java

public static String getFormattedDate(Long millis, String timeZone) {

    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ", Locale.US);
    if (!TextUtils.isEmpty(timeZone))
        sdf.setTimeZone(TimeZone.getTimeZone(timeZone));

    return millis != null ? sdf.format(new Date(millis)) : "";
}

From source file:Main.java

private static final Calendar getUtcDate(Date date, boolean noYear) {
    final Calendar calendar = Calendar.getInstance(UTC_TIMEZONE, Locale.US);
    calendar.setTime(date);/*from w w  w .  j  av  a 2 s  .c  o  m*/
    if (noYear) {
        calendar.set(Calendar.YEAR, 0);
    }
    return calendar;
}