/*

 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package dom;

import java.io.ByteArrayInputStream;

import java.io.IOException;

import java.io.InputStream;

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import org.testng.Assert;

import org.testng.annotations.Listeners;

import org.testng.annotations.Test;

import org.w3c.dom.Document;

import org.w3c.dom.Element;

import org.w3c.dom.Node;

import org.xml.sax.SAXException;

/*

 * @test

 * @bug 8213117

 * @library /javax/xml/jaxp/libs /javax/xml/jaxp/unittest

 * @run testng dom.DocumentTest

 * @summary Tests functionalities for Document.

 */

@Listeners({jaxp.library.BasePolicy.class})

public class DocumentTest {

    private static final String XML1 = "<root><oldNode oldAttrib1=\"old value 1\" oldAttrib2=\"old value 2\"></oldNode></root>";

    private static final String XML2 = "<root><newNode newAttrib=\"new value\"></newNode></root>";

    /**

     * Verifies the adoptNode method. Before a node from a deferred DOM can be

     * adopted, it needs to be fully expanded.

     */

    @Test

    public void testAdoptNode() throws Exception {

        DocumentBuilder builder = DocumentBuilderFactory.newInstance()

                .newDocumentBuilder();

        Document doc1 = getDocument(builder, XML1);

        Document doc2 = getDocument(builder, XML2);

        Element newNode = (Element) doc2.getFirstChild().getFirstChild();

        Element replacementNode = (Element) doc1.adoptNode(newNode);

        Node oldNode = doc1.getFirstChild().getFirstChild();

        doc1.getDocumentElement().replaceChild(replacementNode, oldNode);

        String attrValue = doc1.getFirstChild().getFirstChild().getAttributes()

                .getNamedItem("newAttrib").getNodeValue();

        Assert.assertEquals(attrValue, "new value");

    }

    private static Document getDocument(DocumentBuilder builder, String xml) throws SAXException, IOException {

        InputStream a = new ByteArrayInputStream(xml.getBytes());

        Document out = builder.parse(a);

        return out;

    }

}