PageTreeNode

java.lang.Object

de.erichseifert.vectorgraphics2d.pdf.PageTreeNode

All Implemented Interfaces:: PDFObject

class PageTreeNode extends Object implements PDFObject

Represents an intermediate node in the page tree of a PDF document.

Field Summary

Fields

Modifier and Type

Field

Description

private final List<Page>

children

private final PageTreeNode

parent
Constructor Summary

Constructors

Constructor

Description

PageTreeNode(PageTreeNode parent)

Initializes a PageTreeNode with the specified parent node.
Method Summary

Modifier and Type

Method

Description

void

add(Page page)

Adds the specified Page to the node's children.

int

getCount()

Returns the total number of Page objects in this subtree.

List<Page>

getKids()

Returns all Page objects that are immediate children of this node.

PageTreeNode

getParent()

Returns the parent of this node.

String

getType()

Returns the type of this object.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- parent
  
  private final PageTreeNode parent
- children
  
  private final List<Page> children
Constructor Details
- PageTreeNode
  
  public PageTreeNode(PageTreeNode parent)
  
  Initializes a PageTreeNode with the specified parent node.
  
  Parameters:
  
  parent - Parent node or null to create a root node.
Method Details
- getType
  
  public String getType()
  
  Returns the type of this object. The return value is always Pages.
  
  Returns:
  
  The String Pages.
- getParent
  
  public PageTreeNode getParent()
  
  Returns the parent of this node. If this node is a root node, the method returns null.
  
  Returns:
  
  Parent node or null, if this is a root node.
- add
  
  public void add(Page page)
  
  Adds the specified Page to the node's children.
  
  Parameters:
  
  page - Page to be added.
- getKids
  
  public List<Page> getKids()
  
  Returns all Page objects that are immediate children of this node.
  
  Returns:
  
  List of child pages.
- getCount
  
  public int getCount()
  
  Returns the total number of Page objects in this subtree.
  
  Returns:
  
  Number of pages that are direct or indirect children.