# PDPageAdditionalActions.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.action;

    import org.apache.pdfbox.cos.COSDictionary;
    import org.apache.pdfbox.cos.COSName;
    import org.apache.pdfbox.pdmodel.common.COSObjectable;

    /**
     * This class represents a page object's dictionary of actions
     * that occur due to events.
     *
     * @author Ben Litchfield
     * @author Panagiotis Toumasis
     */
    public class PDPageAdditionalActions implements COSObjectable
    {
        private final COSDictionary actions;

        /**
         * Default constructor.
         */
        public PDPageAdditionalActions()
        {
            actions = new COSDictionary();
        }

        /**
         * Constructor.
         *
         * @param a The action dictionary.
         */
        public PDPageAdditionalActions( COSDictionary a )
        {
            actions = a;
        }

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

        /**
         * This will get an action to be performed when the page
         * is opened. This action is independent of any that may be
         * defined by the OpenAction entry in the document catalog,
         * and is executed after such an action.
         *
         * @return The O entry of page object's additional actions dictionary.
         */
        public PDAction getO()
        {
            COSDictionary o = actions.getCOSDictionary(COSName.O);
            return o != null ? PDActionFactory.createAction(o) : null;
        }

        /**
         * This will set an action to be performed when the page
         * is opened. This action is independent of any that may be
         * defined by the OpenAction entry in the document catalog,
         * and is executed after such an action.
         *
         * @param o The action to be performed.
         */
        public void setO( PDAction o )
        {
            actions.setItem(COSName.O, o);
        }

        /**
         * This will get an action to be performed when the page
         * is closed. This action applies to the page being closed,
         * and is executed before any other page opened.
         *
         * @return The C entry of page object's additional actions dictionary.
         */
        public PDAction getC()
        {
            COSDictionary c = actions.getCOSDictionary(COSName.C);
            return c != null ? PDActionFactory.createAction(c) : null;
        }

        /**
         * This will set an action to be performed when the page
         * is closed. This action applies to the page being closed,
         * and is executed before any other page opened.
         *
         * @param c The action to be performed.
         */
        public void setC( PDAction c )
        {
            actions.setItem(COSName.C, c);
        }
    }