Example usage for java.lang String trim

Introduction

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

Prototype

public String trim()

Source Link

Document

Returns a string whose value is this string, with all leading and trailing space removed, where space is defined as any character whose codepoint is less than or equal to 'U+0020' (the space character).

Usage

From source file:Main.java

public static boolean isEmptyOrNullString(String s) {
    return (s == null) || (s.trim().length() == 0);
}

From source file:Main.java

public static boolean validateFileName(String str) {
    if (str.trim().length() == 0) {
        return false;
    }/*from w  w w  .ja v  a2  s  .  c om*/
    String strPattern = "[^/\\:*?\"<>|]+";
    Pattern p = Pattern.compile(strPattern);
    Matcher m = p.matcher(str);
    return m.matches();
}

From source file:Main.java

public static boolean isNullOrEmpty(String str) {
    return str == null || str.trim().equals("");
}

From source file:Main.java

public static boolean isNotBlank(String txt) {
    return txt != null && txt.trim().length() > 0 ? true : false;
}

From source file:Main.java

public static boolean isNotNull(String txt) {
    return txt != null && txt.trim().length() > 0;
}

From source file:Main.java

public static boolean isStringNullOrEmpty(String str) {
    return str == null || str.trim().length() == 0;
}

From source file:Main.java

public static boolean isPasswordMatches(String password) {
    int length = password.trim().length();
    return length >= PASSWORD_MIN_LENGTH && length <= PASSWORD_MAX_LENGTH;
}

From source file:Main.java

private static boolean isInvalid(String str) {
    return str == null || str.trim().equals("") || str.trim().length() < 5;
}

From source file:Main.java

public static synchronized boolean StrIsNull(String str) {
    return null == str || str.trim().length() <= 0 ? true : false;
}

From source file:Main.java

public static boolean isValid(String str) {
    return (str != null && str.trim().length() > 0);
}