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

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

From source file:Main.java

public static boolean isBlankString(String str) {
    if (str == null || str.trim().length() == 0 || str.equals("") || str.equals("null")) {
        return true;
    } else {/* w  ww . java2 s.c om*/
        return false;
    }
}

From source file:Main.java

static private String processArgumentName(String name) {
    return (name == null || name.trim().isEmpty()) ? DEFAULT_NAME : name;
}

From source file:Main.java

public static String trim(String st) {
    return (st == null) ? "" : st.trim();
}

From source file:Main.java

private static boolean isNullOrEmpty(String str) {
    if (str == null || str.trim().equals("")) {
        return true;
    } else {/*from ww  w. j  a va 2s.c o  m*/
        return false;
    }
}

From source file:Main.java

public static boolean notEmpty(String obj) {
    if (obj != null && obj.trim().length() > 0) {
        return true;
    } else {/*from  w  w w  .ja va  2 s .c  o m*/
        return false;
    }
}

From source file:Main.java

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

From source file:Main.java

public static boolean stringIsNull(String value) {
    return value == null || value.trim().length() <= 0;
}

From source file:Main.java

public static boolean isVaildUrl(String url) {
    if (url == null || url.trim().equals("")) {
        return false;
    }/*ww w  .  j a v  a2  s .c  o  m*/
    return URLUtil.isValidUrl(url.trim());
}

From source file:Main.java

public static boolean isUrl(String str) {
    if (str == null || str.trim().length() == 0)
        return false;
    return URL.matcher(str).matches();
}