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

public static Image getImage(String name) {
    if (name == null || name.isEmpty()) {
        return null;
    }/* w ww.  j  a  v  a  2s  .com*/

    URL imageURL = Main.class.getResource(name);
    if (imageURL == null) {
        return null;
    }

    return Toolkit.getDefaultToolkit().createImage(imageURL);
}

From source file:Main.java

/**
 * Make a guess for the correct code value for the provided vat rate. Guessing is necessary as
 * the correct code is not part of the XML invoice.
 * /*from  w w  w.  jav  a 2s  .  co m*/
 * @param vatRate
 * @return
 */
public static int guessVatCode(String vatRate) {
    if (vatRate != null && !vatRate.isEmpty()) {
        double scale = Double.parseDouble(vatRate);
        // make a guess for the correct code
        if (scale == 0)
            return 0;
        else if (scale < 7)
            return 2;
        else
            return 1;
    }
    return 0;
}

From source file:Main.java

public static String getDexClassName(String dottedClassName) {
    if (dottedClassName == null || dottedClassName.isEmpty())
        throw new RuntimeException("Empty class name detected");

    String slashedName = dottedClassName.replace('.', '/');
    if (slashedName.startsWith("L") && slashedName.endsWith(";"))
        return slashedName;
    return "L" + slashedName + ";";
}

From source file:gov.nyc.doitt.gis.geoclient.parser.token.TextUtils.java

public static String sanitize(String s) {
    if (s == null || s.isEmpty()) {
        return s;
    }/*from w w w. j  a  va 2s  .  c  o m*/
    // Remove leading and trailing spaces or punctuation (except for trailing 
    //period characters (eg, N.Y.)
    String clean = StringUtils.removePattern(s, "^(?:\\s|\\p{Punct})+|(?:\\s|[\\p{Punct}&&[^.]])+$");
    // Make sure ampersand is surrounded by spaces but allow double ampersand
    clean = clean.replaceAll("([^\\s&])\\&", "$1 &");
    clean = clean.replaceAll("\\&([^\\s&])", "& $1");
    // Normalize whitespace
    clean = StringUtils.normalizeSpace(clean);
    return clean;
}

From source file:Main.java

public static String breakList(String divider, List<String> list) {
    String result = "";

    for (int i = 0; i < list.size(); ++i) {
        String val = (String) list.get(i);
        if (!val.isEmpty()) {
            result = result + val + (i == list.size() - 1 ? "" : divider);
        }/* www.jav a2s.  com*/
    }

    return result;
}

From source file:Main.java

public static String getFbUsername(Context context) {
    SharedPreferences fbInfo = context.getSharedPreferences(FB_VARIABLES, 0);
    String username = fbInfo.getString(FB_NAME, "");
    if (username.isEmpty()) {
        return "";
    }//from w  w w  .j a  v a  2s  .  c o  m
    return username;
}

From source file:Main.java

public static List<String> split(String input, String delimiter) {
    if (input == null || input.isEmpty()) {
        return Collections.emptyList();
    }//from www  .j a  v a  2s  . c  o  m
    return new ArrayList<String>(Arrays.asList(input.split(delimiter)));
}

From source file:Main.java

private static String[] lineToStrs(String line) {
    String[] ret = new String[2];
    if ((line != null)) {
        String[] strs = line.trim().split("\t+");
        ret[0] = strs[0].trim();//from   www . ja  va  2s .c  om
        for (int i = 1; i < strs.length; i++) {
            String str = strs[i].trim();
            if (!str.isEmpty()) {
                if (!str.startsWith("#")) {
                    ret[1] = str;
                }
                break;
            }
        }
    }
    return ret;
}

From source file:Main.java

private static List<String> split(String input, String delimiter) {
    if (input == null || input.isEmpty()) {
        return Collections.emptyList();
    }/*from  w  w  w.  j  av  a  2  s . com*/
    return new ArrayList<String>(Arrays.asList(input.split(delimiter)));
}

From source file:Main.java

public static boolean isStringEmptyPrefer(String s) {
    return (s == null || s.equals("{}") || s.equals("\"\"") || s.isEmpty());
}