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 isHttpUrl(String url) {
    if (url != null && url.trim().toLowerCase().startsWith("http")) {
        return true;
    }//w  w w . jav a  2 s  .  c o  m
    return false;
}

From source file:Main.java

public static String ifEmptyReturnNull(String str) {
    if (str == null || str.trim().isEmpty()) {
        return null;
    }/*from  w ww  . java 2 s. com*/
    return str.trim();
}

From source file:Main.java

public static boolean isNotBlack(String msg) {
    if (msg == null || msg.trim().length() == 0) {
        return false;
    }//from  w w w . j  a  va 2  s.com
    return true;
}

From source file:Main.java

public static boolean parseBoolean(String value) {
    if (value.trim().equalsIgnoreCase("true"))
        return true;
    else// w  w  w  .j  av a2 s .c  om
        return false;
}

From source file:Main.java

@Deprecated
public static byte[] parseHexString(String str) {
    str = str.trim();
    String[] temps = str.split(" ");
    byte[] ret = new byte[temps.length];
    int i = 0;/*from   ww w.  j  a v  a  2 s.c  o m*/
    for (String t : temps) {
        ret[i] = Integer.valueOf(t, 16).byteValue();
        i++;
    }
    return ret;
}

From source file:Main.java

public static boolean isNotEmpty(String str) {
    if (str == null || str.trim().equals(""))
        return false;
    return true;//from w  ww .  ja  v  a  2s.  com
}

From source file:Main.java

static String dropSpaces(String s) {
    return (s == null) ? null : s.trim().replaceAll("\\s+", "");
}

From source file:Main.java

public static boolean stringIsEmpty(String str) {
    if (str == null || str.trim().length() <= 0) {
        return true;
    }/*www.  j av  a 2s .com*/
    return false;
}

From source file:Main.java

public static String normalizeName(String name) {

    String resp = name.trim();
    while (resp.indexOf("  ") != -1) {
        resp = resp.replace("  ", " ");
    }/* w  ww. j  ava 2s  .c  o m*/
    return resp;
}

From source file:Main.java

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