How to use

isWhitespace

method

in

com.itextpdf.text.Chunk

public boolean trim() {
  while (this.size() > 0) {
    Element firstChunk = this.get(0);
    if (firstChunk instanceof Chunk && ((Chunk)firstChunk).isWhitespace()) {
      this.remove(firstChunk);
    } else {
      break;
    }
  }
  while (this.size() > 0) {
    Element lastChunk = this.get(this.size() - 1);
    if (lastChunk instanceof Chunk && ((Chunk)lastChunk).isWhitespace()) {
      this.remove(lastChunk);
    } else {
      break;
    }
  }
  return size() > 0;
}

public boolean trim() {
  while (this.size() > 0) {
    Element firstChunk = this.get(0);
    if (firstChunk instanceof Chunk && ((Chunk)firstChunk).isWhitespace()) {
      this.remove(firstChunk);
    } else {
      break;
    }
  }
  while (this.size() > 0) {
    Element lastChunk = this.get(this.size() - 1);
    if (lastChunk instanceof Chunk && ((Chunk)lastChunk).isWhitespace()) {
      this.remove(lastChunk);
    } else {
      break;
    }
  }
  return size() > 0;
}