Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    /**
     * Check whether the given String has actual text.
     * More specifically, returns <code>true</code> if the string not <code>null</code>,
     * its length is greater than 0, and it contains at least one non-whitespace character.
     * <p/>
     * <code>StringUtils.hasText(null) == false<br/>
     * StringUtils.hasText("") == false<br/>
     * StringUtils.hasText(" ") == false<br/>
     * StringUtils.hasText("12345") == true<br/>
     * StringUtils.hasText(" 12345 ") == true</code>
     * <p/>
     * <p>Copied from the Spring Framework while retaining all license, copyright and author information.
     *
     * @param str the String to check (may be <code>null</code>)
     * @return <code>true</code> if the String is not <code>null</code>, its length is
     * greater than 0, and it does not contain whitespace only
     * @see Character#isWhitespace
     */
    public static boolean hasText(String str) {
        if (!hasLength(str)) {
            return false;
        }
        int strLen = str.length();
        for (int i = 0; i < strLen; i++) {
            if (!Character.isWhitespace(str.charAt(i))) {
                return true;
            }
        }
        return false;
    }

    /**
     * Check that the given String is neither <code>null</code> nor of length 0.
     * Note: Will return <code>true</code> for a String that purely consists of whitespace.
     * <p/>
     * <code>StringUtils.hasLength(null) == false<br/>
     * StringUtils.hasLength("") == false<br/>
     * StringUtils.hasLength(" ") == true<br/>
     * StringUtils.hasLength("Hello") == true</code>
     * <p/>
     * Copied from the Spring Framework while retaining all license, copyright and author information.
     *
     * @param str the String to check (may be <code>null</code>)
     * @return <code>true</code> if the String is not null and has length
     * @see #hasText(String)
     */
    public static boolean hasLength(String str) {
        return (str != null && str.length() > 0);
    }
}