# FDFPage.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.fdf;

    import java.util.ArrayList;
    import java.util.List;

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

    /**
     * This represents an FDF page that is part of the FDF document.
     *
     * @author Ben Litchfield
     */
    public class FDFPage implements COSObjectable
    {
        private final COSDictionary page;

        /**
         * Default constructor.
         */
        public FDFPage()
        {
            page = new COSDictionary();
        }

        /**
         * Constructor.
         *
         * @param p The FDF page.
         */
        public FDFPage(COSDictionary p)
        {
            page = p;
        }

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

        /**
         * This will get a list of FDFTemplage objects that describe the named pages that serve as templates.
         *
         * @return A list of templates.
         */
        public List<FDFTemplate> getTemplates()
        {
            COSArray array = page.getCOSArray(COSName.TEMPLATES);
            if (array != null)
            {
                List<FDFTemplate> objects = new ArrayList<>(array.size());
                for (int i = 0; i < array.size(); i++)
                {
                    objects.add(new FDFTemplate((COSDictionary) array.getObject(i)));
                }
                return new COSArrayList<>(objects, array);
            }
            return null;
        }

        /**
         * A list of FDFTemplate objects.
         *
         * @param templates A list of templates for this Page.
         */
        public void setTemplates(List<FDFTemplate> templates)
        {
            page.setItem(COSName.TEMPLATES, new COSArray(templates));
        }

        /**
         * This will get the FDF page info object.
         *
         * @return The Page info.
         */
        public FDFPageInfo getPageInfo()
        {
            FDFPageInfo retval = null;
            COSDictionary dict = page.getCOSDictionary(COSName.INFO);
            if (dict != null)
            {
                retval = new FDFPageInfo(dict);
            }
            return retval;
        }

        /**
         * This will set the page info.
         *
         * @param info The new page info dictionary.
         */
        public void setPageInfo(FDFPageInfo info)
        {
            page.setItem(COSName.INFO, info);
        }
    }