# PDNamedDestination.java

    /*
     * 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.interactive.documentnavigation.destination;

    import java.io.IOException;

    import org.apache.pdfbox.cos.COSBase;
    import org.apache.pdfbox.cos.COSName;
    import org.apache.pdfbox.cos.COSString;

    /**
     * This represents a destination to a page by referencing it with a name.
     *
     * @author Ben Litchfield
     */
    public class PDNamedDestination extends PDDestination
    {
        private COSBase namedDestination;

        /**
         * Constructor.
         *
         * @param dest The named destination.
         */
        public PDNamedDestination( COSString dest )
        {
            namedDestination = dest;
        }

        /**
         * Constructor.
         *
         * @param dest The named destination.
         */
        public PDNamedDestination( COSName dest )
        {
            namedDestination = dest;
        }

        /**
         * Default constructor.
         */
        public PDNamedDestination()
        {
            //default, so do nothing
        }

        /**
         * Default constructor.
         *
         * @param dest The named destination.
         */
        public PDNamedDestination( String dest )
        {
            namedDestination = new COSString( dest );
        }

        /**
         * Convert this standard java object to a COS object.
         *
         * @return The cos object that matches this Java object.
         */
        @Override
        public COSBase getCOSObject()
        {
            return namedDestination;
        }

        /**
         * This will get the name of the destination.
         *
         * @return The name of the destination.
         */
        public String getNamedDestination()
        {
            String retval = null;
            if( namedDestination instanceof COSString )
            {
                retval = ((COSString)namedDestination).getString();
            }
            else if( namedDestination instanceof COSName )
            {
                retval = ((COSName)namedDestination).getName();
            }

            return retval;
        }

        /**
         * Set the named destination.
         *
         * @param dest The new named destination.
         *
         * @throws IOException If there is an error setting the named destination.
         */
        public void setNamedDestination( String dest ) throws IOException
        {
            if (dest == null)
            {
                namedDestination = null;
            }
            else
            {
                namedDestination = new COSString( dest );
            }
        }
    }