benkn

	/**
	 * Check that the given String is not null and has a value other than
	 * whitespace.
	 * 
	 * {@code 
	 *  hasValue(null)      = false
	 *  hasValue("")        = false
	 *  hasValue(" ")       = false
	 *  hasValue("bob")     = true
	 *  hasValue("  bob  ") = true

benkn

import java.security.MessageDigest;

public class HashUtil {

  /** Change to SHA-256 or MD5 if needed */
	private static final String HASHING_ALGORITHM = "MD5";
	
	/**
	 * The usual default character encoding, but hard defining it to avoid
	 * complications.

benkn

var DateUtil = {	
  /* Get the date for yesterday in YYYY-MM-DD format */
	getYesterdayYMD : function() {
		var d = new Date();
		var m = d.getMonth() + 1;
		var n = d.getDate() - 1;
		var ds = d.getFullYear() + "-" +  (m< 10? '0' + m : m) + "-" + (n<10 ? '0' + n : n);
		return ds;
	},
	/* Get the date for today in YYYY-MM-DD format */

benkn

/* Get a parameter from the url */
function getVarFromURL(varName){
	    var url = window.location.href;
	    url = url.substring(url.indexOf('?'));
	    var urlLowerCase = url.toLowerCase();
	    varName = varName.toLowerCase();
	    if (urlLowerCase.indexOf(varName + "=") != -1) {
	        var value = url.substring(urlLowerCase.indexOf(varName) + varName.length + 1);
	        if (value.indexOf('&') != -1) {
	            value = value.substring(0, value.indexOf('&'));

benkn

/* Truncates value within a specified width and appends with ... */
.truncate {
  /*width: 100%;*/ /*optionally set width here, but more useful not set */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

benkn

function getCookieVal (offset) {
    var endstr = document.cookie.indexOf (";", offset);
    if (endstr == -1) {
        endstr = document.cookie.length;
    }

    return unescape(document.cookie.substring(offset, endstr));
}

function getCookie (name) {

benkn

import javax.annotation.Nonnull;
import java.util.Collection;
/**
 * Utility class for setters of collections in objects.
 *
 * <pre>
 * {@code
 * private Set<String> items = new HashSet<>();
 * public void setItems(Collection<String> items) {
 *    CollectionSetter.refill(this.items, items);

benkn

public final class DateOperations {
    /**
     * Gets the Epoch seconds of the given LocalDateTime
     * @return long of the seconds since the beginning of time (for Java)
     */
    public static long getLocalSeconds(LocalDateTime localDateTime) {
        ZoneId zone = ZoneId.systemDefault();
        ZonedDateTime zdt = localDateTime.atZone(zone);
        return zdt.toEpochSecond();
    }