Example usage for java.lang String isEmpty

Introduction

In this page you can find the example usage for java.lang String isEmpty.

Prototype

public boolean isEmpty()

Source Link

Document

Returns true if, and only if, #length() is 0 .

Usage

From source file:Main.java

/**
 * Returns a path that can be safely concatenated with {@code authority}. If
 * the authority is null or empty, this can be any path. Otherwise the paths
 * run together like {@code http://android.comindex.html}.
 *///www .  ja v a2  s.c o  m
public static String authoritySafePath(String authority, String path) {
    if (authority != null && !authority.isEmpty() && !path.isEmpty() && !path.startsWith("/")) {
        return "/" + path;
    }
    return path;
}

From source file:Main.java

static public double getDoubleTextContent(Element element) {
    String s = getTrimmedTextContent(element);
    return s == null || s.isEmpty() ? 0 : Double.parseDouble(s);
}

From source file:Main.java

private static Boolean currentGreaterThenOld(String currentDate, String oldDate) {
    if (currentDate.isEmpty() || oldDate.isEmpty())
        return false;

    try {/*from w  ww.  j  a  v  a2s.co m*/
        SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy", Locale.getDefault());
        Date current = formatter.parse(currentDate);
        Date old = formatter.parse(oldDate);

        if (old.compareTo(current) < 0) {
            Log.d(TAG, "compareDate current Date : " + current.toString() + " is greater then Old Date : "
                    + old.toString());
            return true;
        }

    } catch (ParseException e1) {
        e1.printStackTrace();
    }
    return false;
}

From source file:Main.java

public static JSONObject extractObject(HttpResponse resp) throws IOException, JSONException {
    BufferedReader rd = new BufferedReader(new InputStreamReader(resp.getEntity().getContent()));
    StringBuilder s = new StringBuilder();
    String line;/*from w ww.  j  a va  2 s. co m*/
    while ((line = rd.readLine()) != null) {
        s.append(line);
    }
    rd.close();
    String str = s.toString();
    if (str == null || str.isEmpty()) {
        return null;
    }
    return new JSONObject(str);
}

From source file:Main.java

public static void setCallDeflectNumber(ContentResolver contentResolver, String value) {
    String deflectNum = value;//from  w w w.j a va  2  s.  c  o m

    if (value == null || value.isEmpty()) {
        deflectNum = "";
    }

    android.provider.Settings.Global.putString(contentResolver, QTI_IMS_CALL_DEFLECT_NUMBER, deflectNum);
}

From source file:org.graylog.plugins.usagestatistics.dto.MacAddress.java

public static MacAddress create(String macAddress) {
    if (macAddress == null || macAddress.isEmpty()) {
        return EMPTY;
    }//from  w  ww  .ja  v  a 2s. co  m
    checkArgument(PATTERN.matcher(macAddress).matches());

    return new AutoValue_MacAddress(macAddress.substring(0, 8));
}

From source file:Main.java

public static boolean checkString(String s) {

    boolean isEmpty;

    try {//from  w w  w.  ja  va  2s .c  o  m
        isEmpty = s.isEmpty();
    } catch (NullPointerException ex) {
        Log.e("checkString", "String is NULL !!");
        return false;
    }

    return !isEmpty;
}

From source file:io.datenwelt.cargo.rest.utils.Strings.java

public static boolean isBlank(String input) {
    return input == null || input.isEmpty();
}

From source file:Main.java

public static String getUserCountryCode(Context context) {
    String country = Locale.getDefault().getCountry();
    if (country.isEmpty()) {
        country = SERVER_VALUE_FOR_UNDEFINED_COUNTRY;
    }//from  w  w  w.  j a v  a 2s  . c  om
    return country;
}

From source file:Main.java

public static String getFacebookUserName(Context context) {
    if (facebookUserName != null)
        return facebookUserName;
    else {/*from ww  w.  j a va 2 s. c  o  m*/
        SharedPreferences prefs = context.getSharedPreferences("profilo", Context.MODE_PRIVATE);
        String name = prefs.getString("reg_username", "");
        if (name.isEmpty()) {
            Log.e("HELPER_FACEBOOK", "username facebook not found.");
            return null;
        } else {
            facebookUserName = name;
            return facebookUserName;
        }
    }
}