How to use

getParent

method

in

com.day.cq.wcm.api.Page

  private Page findRootPage() {
    Page page = currentPage;
    while (true) {
      Page parent = page.getParent();
      if (parent == null) {
        return page;
      } else {
        page = parent;
      }
    }
  }
}

 public class Pages {
public static List<Page> getPath(Page from, Page to) {
  if (from == null || to == null) throw new IllegalArgumentException();

  List<Page> path = new ArrayList<Page>();
  Page page=to.getParent();
  Page last=from.getParent();
  // I'm assuming getPath() can be null occassionaly and is a String
  String lastPath;
  if(last!=null && (lastPath=last.getPath())!=null){
  // The assignment above is an acceptable one, as it saves a nested if statement
    // traverse your path
    while(page!=null && page.getPath()!=null && !(page.getPath().equals(lastPath))) {
      path.add(page);
      page=page.getParent();
    }
  }
  Collections.reverse(path);
  return path.contains(from) ? path : null;
}

 public class Pages {
public static List<Page> getPath(Page from, Page to) {
if (from == null || to == null) return new ArrayList<Page>();

List<Page> path = new ArrayList<Page>();
Page page=to.getParent();
Page last=from.getParent();
// I'm assuming getPath() can be null occassionaly and is a String
String lastPath;
if(last!=null && (lastPath=last.getPath())!=null){
// The assignment above is an acceptable one, as it saves a nested if statement
  // traverse your path
  while(page!=null && page.getPath()!=null && !(page.getPath().equals(lastPath))){
    path.add(page);
    page=page.getParent();
  }
}
Collections.reverse(path);
return path;//return path or empty list
}

/**
 * Build html title from page titles up to site root page.
 * @param page Page
 * @return Html title
 */
private String getRecursivePageTitle(Page page) {
 if (siteRoot.isRootPage(page)) {
  return StringUtils.defaultString(page.getPageTitle(), page.getTitle());
 }
 else if (Template.is(page, AppTemplate.ADMIN_STRUCTURE_ELEMENT)) {
  return getRecursivePageTitle(page.getParent());
 }
 else {
  return StringUtils.defaultString(page.getPageTitle(), page.getTitle()) + " - " + getRecursivePageTitle(page.getParent());
 }
}