/*
 * 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.io.IOException;

import org.apache.pdfbox.cos.COSDictionary;
import org.apache.pdfbox.cos.COSName;
import org.w3c.dom.Element;

/**
 * This represents a Polygon FDF annotation.
 */
public class FDFAnnotationLink extends FDFAnnotation
{
    /**
     * COS Model value for SubType entry.
     */
    public static final String SUBTYPE = "Link";

    /**
     * Default constructor.
     */
    public FDFAnnotationLink()
    {
        super();
        annot.setName(COSName.SUBTYPE, SUBTYPE);
    }

    /**
     * Constructor.
     *
     * @param a An existing FDF Annotation.
     */
    public FDFAnnotationLink(COSDictionary a)
    {
        super(a);
    }

    /**
     * Constructor.
     *
     * @param element An XFDF element.
     *
     * @throws IOException If there is an error extracting information from the element.
     */
    public FDFAnnotationLink(Element element) throws IOException
    {
        super(element);
        annot.setName(COSName.SUBTYPE, SUBTYPE);
    }
}

@@ -876,108 +876,470 @@
 ort 
-org.apache.pdfbox.cos.COSDictionary;%0Aimport org.apache.pdfbox.cos.COSName;%0Aimport org.w3c.dom.Elemen
+javax.xml.xpath.XPath;%0Aimport javax.xml.xpath.XPathConstants;%0Aimport javax.xml.xpath.XPathExpressionException;%0Aimport javax.xml.xpath.XPathFactory;%0A%0Aimport org.apache.commons.logging.Log;%0Aimport org.apache.commons.logging.LogFactory;%0A%0Aimport org.apache.pdfbox.cos.COSDictionary;%0Aimport org.apache.pdfbox.cos.COSName;%0Aimport org.apache.pdfbox.pdmodel.interactive.action.PDActionURI;%0A%0Aimport org.w3c.dom.Element;%0Aimport org.w3c.dom.Node;%0Aimport org.w3c.dom.NodeLis
 t;%0A%0A
@@ -1446,16 +1446,96 @@
 ation%0A%7B%0A
+    private static final Log LOG = LogFactory.getLog(FDFAnnotationLink.class);%0A%0A
     /**%0A
@@ -1719,25 +1719,8 @@
   %7B%0A
-        super();%0A
     
@@ -2253,20 +2253,960 @@
 , SUBTYPE);%0A
+        XPath xpath = XPathFactory.newInstance().newXPath();%0A%0A        try%0A        %7B%0A            NodeList uri = (NodeList) xpath.evaluate(%22OnActivation/Action/URI%22, element,%0A                    XPathConstants.NODESET);%0A            if (uri.getLength() %3E 0)%0A            %7B%0A                Node namedItem = uri.item(0).getAttributes().getNamedItem(%22Name%22);%0A                if (namedItem != null && namedItem.getNodeValue() != null)%0A                %7B%0A                    PDActionURI actionURI = new PDActionURI();%0A                    actionURI.setURI(namedItem.getNodeValue());%0A                    annot.setItem(COSName.A, actionURI);%0A                %7D%0A            %7D%0A            // GoTo is more tricky, because because page destination needs page tree%0A            // to convert number into PDPage object%0A        %7D%0A        catch (XPathExpressionException e)%0A        %7B%0A            LOG.debug(%22Error while evaluating XPath expression%22, e);%0A        %7D%0A
     %7D%0A%7D%0A

support "OnActivation/Action/URI"