How to use

setLocalDestination

method

in

com.itextpdf.text.Chunk

private void defineLocalDestinationOnFirstChunk(Paragraph p, String anchor) {
  for (Element e : p) {
    if (e instanceof Chunk) {
      Chunk c = (Chunk) e;
      c.setLocalDestination(anchor);
      return;
    }
  }
  throw new IllegalStateException("No chunk found");
}

/**
 * Create an index entry.
 *
 * @param text  The text.
 * @param in1   The first level.
 * @param in2   The second level.
 * @param in3   The third level.
 */
public void create(final Chunk text, final String in1, final String in2,
    final String in3) {
  String tag = "idx_" + indexcounter++;
  text.setGenericTag(tag);
  text.setLocalDestination(tag);
  Entry entry = new Entry(in1, in2, in3, tag);
  indexentry.add(entry);
}

/**
 * Create an index entry.
 *
 * @param text  The text.
 * @param in1   The first level.
 * @param in2   The second level.
 * @param in3   The third level.
 */
public void create(final Chunk text, final String in1, final String in2,
    final String in3) {
  String tag = "idx_" + indexcounter++;
  text.setGenericTag(tag);
  text.setLocalDestination(tag);
  Entry entry = new Entry(in1, in2, in3, tag);
  indexentry.add(entry);
}

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

/**
 * Create an index entry.
 *
 * @param text  The text for the Chunk.
 * @param in1   The first level.
 * @param in2   The second level.
 * @param in3   The third level.
 * @return Returns the Chunk.
 */
public Chunk create(final String text, final String in1, final String in2,
    final String in3) {
  Chunk chunk = new Chunk(text);
  String tag = "idx_" + indexcounter++;
  chunk.setGenericTag(tag);
  chunk.setLocalDestination(tag);
  Entry entry = new Entry(in1, in2, in3, tag);
  indexentry.add(entry);
  return 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;
}

/**
 * Create an index entry.
 *
 * @param text  The text for the Chunk.
 * @param in1   The first level.
 * @param in2   The second level.
 * @param in3   The third level.
 * @return Returns the Chunk.
 */
public Chunk create(final String text, final String in1, final String in2,
    final String in3) {
  Chunk chunk = new Chunk(text);
  String tag = "idx_" + indexcounter++;
  chunk.setGenericTag(tag);
  chunk.setLocalDestination(tag);
  Entry entry = new Entry(in1, in2, in3, tag);
  indexentry.add(entry);
  return 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;
}

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