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 isAddressDetail(String str) {
    if (str != null && (!str.trim().equals("")) && (str.length() > 3) && (str.length() < 21)) {
        return true;
    } else {/*from   www .  j a  v  a2  s  .c o m*/
        return false;
    }
}

From source file:Main.java

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

From source file:Main.java

public static boolean isMucNickNameLegal(String nickName) {
    nickName = nickName.trim();
    String name = nickName.replaceAll("[^a-zA-Z0-9_@~!,\\[\\]\\-=+#\'\";?()!*\\s]", "**");
    int len = name.length();
    if (len == 0 || (len >= 2 && len <= 20)) {
        return true;
    }//ww w .j a  va  2  s.  c o  m
    return false;
}

From source file:Main.java

public static boolean isInfook(String str) {
    if (str != null && (!str.trim().equals("")) && (str.length() > 10) && (str.length() < 1000)) {
        return true;
    } else {//w ww .  ja  va2s.c om
        return false;
    }
}

From source file:Main.java

public static boolean isLong(String str) {
    if ("0".equals(str.trim())) {
        return true;
    }/*from w  w w  .  jav  a2 s  .c  om*/
    Pattern pattern = Pattern.compile("^[^0]\\d*");
    Matcher isNum = pattern.matcher(str);
    return isNum.matches();
}

From source file:Main.java

public static boolean isNotEmpty(String s) {
    return s != null && !"".equals(s.trim());
}

From source file:Main.java

public static boolean isEmpty(String str) {
    if (str != null && (!str.trim().equals(""))) {
        return true;
    } else {//from  www  .  j a va 2s .c  om
        return false;
    }
}

From source file:Main.java

public static boolean isEmptyString(String value) {
    return !(value != null && !value.trim().isEmpty());
}

From source file:Main.java

public static boolean nullOrEmptyStr(String string) {
    return (string != null && !string.trim().isEmpty() ? false : true);
}

From source file:Main.java

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