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

private static boolean isInvalidOrigin(String origin) {
    if (origin.isEmpty() || origin.contains("%")) {
        return true;
    }//from   w  w  w  .j a  va2s  .  c  o  m
    try {
        return new URI(origin).getScheme() == null;
    } catch (URISyntaxException e) {
        return true;
    }
}

From source file:Main.java

public static String replaceSpaces(String url) {
    if (!url.isEmpty()) {
        url = url.trim();/*from  w  w  w  .ja v  a  2  s  .c o m*/
        if (url.contains(" ")) {
            Matcher spaces = SPACE.matcher(url);
            url = spaces.replaceAll("%20");
        }
    }
    return url;
}

From source file:Main.java

public static boolean isInteger(String s, int radix) {
    if (s.isEmpty())
        return false;
    for (int i = 0; i < s.length(); i++) {
        if (i == 0 && s.charAt(i) == '-') {
            if (s.length() == 1)
                return false;
            else//from w w  w . jav  a  2 s  .  c o  m
                continue;
        }
        if (Character.digit(s.charAt(i), radix) < 0)
            return false;
    }
    return true;
}

From source file:Main.java

public static Boolean checkEmptyField(String... stringList) {
    for (String uniqueString : stringList) {
        if (uniqueString.isEmpty()) {
            return false;
        }/*from   w  w w .ja  va 2s. c  om*/
    }
    return true;
}

From source file:Main.java

public static String getFullyQualifiedName(String packageName, String className) {
    if (packageName.isEmpty())
        return className;
    return packageName + "." + className;
}

From source file:Main.java

public static HashMap<String, String> getApiPost(String[] keys, String[] values) {
    HashMap<String, String> box = new HashMap<>();
    int i = 0;//www  .  j a  va  2  s.c om
    for (String value : values) {
        if (!value.isEmpty())
            box.put(keys[i], value);
        i++;
    }
    return box;
}

From source file:Main.java

public static int getIntFromString(String s) {
    String tmp = s.replaceAll("[^\\d]", "");
    if (!tmp.isEmpty()) {
        return Integer.parseInt(tmp);
    } else {//from ww w  . j  a va2 s. com
        return 0;
    }
}

From source file:Main.java

public static final boolean isNullOrEmpty(String stg) {
    return (stg == null || stg.isEmpty() || "".equals(stg.trim().replaceAll("\\s", "")));
}

From source file:Main.java

public static void handle(View v, @Nullable String s) {
    v.setVisibility(s == null || s.isEmpty() ? View.GONE : View.VISIBLE);
}

From source file:Main.java

public static Bitmap base64ToBitmap(String base64) {
    if (base64 != null && !base64.isEmpty()) {
        byte[] decodedString = Base64.decode(base64, Base64.DEFAULT);
        Bitmap decodedByte = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length);
        return decodedByte;
    }/* w  w  w.j  a  va 2s. c  o m*/
    return null;
}