How to use

isEmpty

method

in

com.itextpdf.text.Chunk

/**
 * Applies the properties of the Anchor to a Chunk.
 * @param chunk            the Chunk (part of the Anchor)
 * @param notGotoOK        if true, this chunk will determine the local destination
 * @param localDestination    true if the chunk is a local goto and the reference a local destination
 * @return    the value of notGotoOK or false, if a previous Chunk was used to determine the local destination
 */
protected boolean applyAnchor(Chunk chunk, boolean notGotoOK, boolean localDestination) {
  if (name != null && notGotoOK && !chunk.isEmpty()) {
    chunk.setLocalDestination(name);
    notGotoOK = false;
  }
  if (localDestination) {
    chunk.setLocalGoto(reference.substring(1));
  }
  else if (reference != null)
    chunk.setAnchor(reference);
  return notGotoOK;
}

while (i.hasNext()) {
  chunk = i.next();
  if (name != null && notGotoOK && !chunk.isEmpty()) {
    chunk.setLocalDestination(name);
    notGotoOK = false;

/**
 * Applies the properties of the Anchor to a Chunk.
 * @param chunk            the Chunk (part of the Anchor)
 * @param notGotoOK        if true, this chunk will determine the local destination
 * @param localDestination    true if the chunk is a local goto and the reference a local destination
 * @return    the value of notGotoOK or false, if a previous Chunk was used to determine the local destination
 */
protected boolean applyAnchor(Chunk chunk, boolean notGotoOK, boolean localDestination) {
  if (name != null && notGotoOK && !chunk.isEmpty()) {
    chunk.setLocalDestination(name);
    notGotoOK = false;
  }
  if (localDestination) {
    chunk.setLocalGoto(reference.substring(1));
  }
  else if (reference != null)
    chunk.setAnchor(reference);
  return notGotoOK;
}

while (i.hasNext()) {
  chunk = i.next();
  if (name != null && notGotoOK && !chunk.isEmpty()) {
    chunk.setLocalDestination(name);
    notGotoOK = false;

/**
 * Checks is this <CODE>Phrase</CODE> contains no or 1 empty <CODE>Chunk</CODE>.
 *
 * @return    <CODE>false</CODE> if the <CODE>Phrase</CODE>
 * contains more than one or more non-empty<CODE>Chunk</CODE>s.
 */
@Override
public boolean isEmpty() {
  switch(size()) {
    case 0:
      return true;
    case 1:
      Element element = get(0);
      if (element.type() == Element.CHUNK && ((Chunk) element).isEmpty()) {
        return true;
      }
      return false;
      default:
        return false;
  }
}

/**
 * Checks is this <CODE>Phrase</CODE> contains no or 1 empty <CODE>Chunk</CODE>.
 *
 * @return    <CODE>false</CODE> if the <CODE>Phrase</CODE>
 * contains more than one or more non-empty<CODE>Chunk</CODE>s.
 */
@Override
public boolean isEmpty() {
  switch(size()) {
    case 0:
      return true;
    case 1:
      Element element = get(0);
      if (element.type() == Element.CHUNK && ((Chunk) element).isEmpty()) {
        return true;
      }
      return false;
      default:
        return false;
  }
}

  chunk.setFont(font.difference(chunk.getFont()));
if (hyphenation != null && chunk.getHyphenation() == null && !chunk.isEmpty()) {
  chunk.setHyphenation(hyphenation);

  chunk.setFont(font.difference(chunk.getFont()));
if (hyphenation != null && chunk.getHyphenation() == null && !chunk.isEmpty()) {
  chunk.setHyphenation(hyphenation);

newChunk.role = chunk.getRole();
newChunk.accessibleAttributes = chunk.getAccessibleAttributes();
if (hyphenation != null && newChunk.getHyphenation() == null && !newChunk.isEmpty()) {
  newChunk.setHyphenation(hyphenation);

newChunk.role = chunk.getRole();
newChunk.accessibleAttributes = chunk.getAccessibleAttributes();
if (hyphenation != null && newChunk.getHyphenation() == null && !newChunk.isEmpty()) {
  newChunk.setHyphenation(hyphenation);