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The Apache PDFBox library is an open source Java tool for working with PDF documents.
/*
* 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.markedcontent;
import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.cos.COSDictionary;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.pdmodel.common.COSObjectable;
import org.apache.pdfbox.pdmodel.graphics.optionalcontent.PDOptionalContentGroup;
/**
* This class represents a property list used for the marked content feature to map a resource name
* to a dictionary.
*
* @since PDF 1.2
* @version $Revision$
*/
public class PDPropertyList implements COSObjectable
{
private COSDictionary props;
/**
* Creates a new property list.
*/
public PDPropertyList()
{
this.props = new COSDictionary();
}
/**
* Creates a new instance based on a given {@link COSDictionary}.
* @param dict the dictionary
*/
public PDPropertyList(COSDictionary dict)
{
this.props = dict;
}
/** {@inheritDoc} */
public COSBase getCOSObject()
{
return this.props;
}
/**
* Returns the optional content group belonging to the given resource name.
* @param name the resource name
* @return the optional content group or null if the group was not found
*/
public PDOptionalContentGroup getOptionalContentGroup(COSName name)
{
COSDictionary dict = (COSDictionary)props.getDictionaryObject(name);
if (dict != null)
{
if (COSName.OCG.equals(dict.getItem(COSName.TYPE)))
{
return new PDOptionalContentGroup(dict);
}
}
return null;
}
/**
* Puts a mapping from a resource name to an optional content group.
* @param name the resource name
* @param ocg the optional content group
*/
public void putMapping(COSName name, PDOptionalContentGroup ocg)
{
putMapping(name, (COSDictionary)ocg.getCOSObject());
}
private void putMapping(COSName name, COSDictionary dict)
{
props.setItem(name, dict);
}
}