/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.pdfbox.pdmodel.documentinterchange.logicalstructure;
import java.io.IOException;
import java.util.Hashtable;
import java.util.Map;
import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.cos.COSDictionary;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.pdmodel.common.COSDictionaryMap;
import org.apache.pdfbox.pdmodel.common.PDNameTreeNode;
/**
* A root of a structure tree.
*
* @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>,
* <a href="mailto:Johannes%20Koch%20%3Ckoch@apache.org%3E">Johannes Koch</a>
* @version $Revision: 1.2 $
*/
public class PDStructureTreeRoot extends PDStructureNode
{
public static final String TYPE = "StructTreeRoot";
/**
* Default Constructor.
*
*/
public PDStructureTreeRoot()
{
super(TYPE);
}
/**
* Constructor for an existing structure element.
*
* @param dic The existing dictionary.
*/
public PDStructureTreeRoot( COSDictionary dic )
{
super(dic);
}
/**
* Returns the ID tree.
*
* @return the ID tree
*/
public PDNameTreeNode getIDTree()
{
COSDictionary idTreeDic = (COSDictionary) this.getCOSDictionary()
.getDictionaryObject(COSName.ID_TREE);
if (idTreeDic != null)
{
return new PDNameTreeNode(idTreeDic, PDStructureElement.class);
}
return null;
}
/**
* Sets the ID tree.
*
* @param idTree the ID tree
*/
public void setIDTree(PDNameTreeNode idTree)
{
this.getCOSDictionary().setItem(COSName.ID_TREE, idTree);
}
/**
* Returns the next key in the parent tree.
*
* @return the next key in the parent tree
*/
public int getParentTreeNextKey()
{
return this.getCOSDictionary().getInt(COSName.PARENT_TREE_NEXT_KEY);
}
/**
* Returns the role map.
*
* @return the role map
*/
public Map<String, Object> 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, Object>();
}
/**
* Sets the role map.
*
* @param roleMap the role map
*/
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);
}
}