How to use

nullIfEmpty

method

in

com.aoindustries.util.StringUtility

public void setShortTitle(String shortTitle) {
  this.shortTitle = StringUtility.nullIfEmpty(shortTitle);
}

public void setBook(String book) {
  this.book = nullIfEmpty(book);
}

public void setPath(String path) {
  this.path = nullIfEmpty(path);
}

/**
 * @deprecated  Use {@link StringUtility#nullIfEmpty(java.lang.String)} instead
 */
@Deprecated
public static String nullIfEmpty(String value) {
  return StringUtility.nullIfEmpty(value);
}

/**
 * Removes the milliseconds from a time, rounds down every time.
 */
public static int negIntIfEmpty(String s) {
  s = StringUtility.nullIfEmpty(s);
  return (s==null?-1:Integer.parseInt(s));
}

/**
 * Removes the milliseconds from a time, rounds down every time.
 */
public static long negLongIfEmpty(String s) {
  s = StringUtility.nullIfEmpty(s);
  return (s==null?-1l:Long.parseLong(s));
}

public void setDescription(String description) {
  checkNotFrozen();
  this.description = nullIfEmpty(description);
}

public void setElement(String element) {
  checkNotFrozen();
  this.element = nullIfEmpty(element);
}

public void setTargetPage(String targetPage) {
  checkNotFrozen();
  this.targetPage = nullIfEmpty(targetPage);
}

public void setBook(String book) {
  checkNotFrozen();
  this.book = nullIfEmpty(book);
}

public void setView(String view) {
  checkNotFrozen();
  this.view = nullIfEmpty(view);
}

public void setTitle(String title) {
  checkNotFrozen();
  this.title = nullIfEmpty(title);
}

public void setLabel(String label) {
  checkNotFrozen();
  this.label = nullIfEmpty(label);
}

/**
 * Resolves all attributes, setting into the created element as appropriate,
 * This is only called for captureLevel >= META.
 * Attributes are resolved before the element is added to any parent node.
 * Typically, deferred expressions will be evaluated here.
 * Overriding methods must call this implementation.
 */
protected void evaluateAttributes(E element, ELContext elContext) throws JspTagException, IOException {
  String idStr = nullIfEmpty(resolveValue(id, String.class, elContext));
  if(idStr != null) element.setId(idStr);
}

public static interface LinkImplBody<E extends Throwable> {
  void doBody(boolean discard) throws E, IOException, SkipPageException;
}

book = nullIfEmpty(book);
NullArgumentException.checkNotNull(path, "path");
if(path.isEmpty()) throw new IllegalArgumentException("path is empty");

final Node currentNode = CurrentNode.getCurrentNode(request);
thisBook = nullIfEmpty(thisBook);
thisPage = nullIfEmpty(thisPage);
linksToBook = nullIfEmpty(linksToBook);
linksToPage = nullIfEmpty(linksToPage);