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 isNullOrEmpty(String str) {
    if (null == str || "".equals(str.trim())) {
        return true;
    }// ww  w .ja va2  s . com
    return false;
}

From source file:Main.java

/**
 * A checker for whether or not the input value is entirely whitespace. This is slightly more
 * aggressive than the android TextUtils#isEmpty method, which only returns true for
 * {@code null} or {@code ""}./*www . ja  v  a2  s  . co m*/
 *
 * @param value a possibly blank input string value
 * @return {@code true} if and only if the value is all whitespace, {@code null}, or empty
 */
public static boolean isBlank(String value) {
    return value == null || value.trim().length() == 0;
}

From source file:Main.java

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

From source file:Main.java

public static boolean isEmpty(@Nullable String str) {
    return str == null || str.trim().isEmpty();
}

From source file:Main.java

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

From source file:Main.java

public static String trim(String s) {
    s = s.split("\n")[0];
    s = s.trim();
    return s;
}

From source file:Main.java

public static String firstLetterToUpperCase(String name) {
    if (name.trim().length() == 0) {
        return name;
    }//from ww w .  ja v a 2s.  co  m
    char c[] = name.toCharArray();
    c[0] = Character.toUpperCase(c[0]);
    name = new String(c);
    return name;
}

From source file:Main.java

public static boolean isNull(String text) {
    if (text == null || "".equals(text.trim()) || "null".equals(text))
        return true;
    return false;
}

From source file:Main.java

public static String stripCDATA(String s) {
    s = s.trim();
    if (s.startsWith("<![CDATA[")) {
        s = s.substring(9);//  w  ww.  ja va 2 s  . c  o m
        int i = s.indexOf("]]>");
        if (i == -1) {
            throw new IllegalStateException("argument starts with <![CDATA[ but cannot find pairing ]]>");
        }
        s = s.substring(0, i);
    }
    return s;
}

From source file:Main.java

public static boolean validateParams(String... params) {
    for (String s : params) {
        if (s == null && s.trim().equals(""))
            return false;
    }//  w  ww.  j  a  v  a 2  s.  c  o m
    return true;
}