public PDStructureTreeRoot() 
{
        super(TYPE);
}

Default Constructor.

 public PDStructureTreeRoot(COSDictionary dic) 
{
        super(dic);
}

Constructor for an existing structure element.

Parameters:

dic - The existing dictionary.

 public PDNameTreeNode getIDTree() 
{
        COSDictionary idTreeDic = (COSDictionary) this.getCOSDictionary()
            .getDictionaryObject(COSName.ID_TREE);
        if (idTreeDic != null)
        {
            return new PDNameTreeNode(idTreeDic, PDStructureElement.class);
        }
        return null;
}

Returns the ID tree.

 public int getParentTreeNextKey() 
{
        return this.getCOSDictionary().getInt(COSName.PARENT_TREE_NEXT_KEY);
}

Returns the next key in the parent tree.

 public Map<String, String> getRoleMap() 
{
        COSBase rm = this.getCOSDictionary().getDictionaryObject(COSName.ROLE_MAP);
        if (rm instanceof COSDictionary)
        {
            try
            {
                return COSDictionaryMap.convertBasicTypesToMap((COSDictionary) rm);
            }
            catch (IOException e)
            {
                e.printStackTrace();
            }
        }
        return new Hashtable< String, String >();
}

Returns the role map.

 public  void setIDTree(PDNameTreeNode idTree) 
{
        this.getCOSDictionary().setItem(COSName.ID_TREE, idTree);
}

Sets the ID tree.

 public  void setRoleMap(Map<String, String> roleMap) 
{
        COSDictionary rmDic = new COSDictionary();
        for (String key : roleMap.keySet())
        {
            rmDic.setName(key, roleMap.get(key));
        }
        this.getCOSDictionary().setItem(COSName.ROLE_MAP, rmDic);
}

Sets the role map.