setcontenttest.java

解决如何把XML应用到JAVA里问题

/*
 * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
 *
 * This software is open source.
 * See the bottom of this file for the licence.
 */

package org.dom4j;

import junit.textui.TestRunner;

/**
 * Tests the setContent method
 * 
 * @author <a href="mailto:[e-mail]">James Strachan </a>
 * @version $Revision: 1.3 $
 */
public class SetContentTest extends AbstractTestCase {
    public static void main(String[] args) {
        TestRunner.run(SetContentTest.class);
    }

    // Test case(s)
    // -------------------------------------------------------------------------
    public void testDocument() throws Exception {
        document.setName("doc1");

        Element oldRoot = document.getRootElement();

        assertTrue("Current root has document",
                oldRoot.getDocument() == document);

        Document doc2 = DocumentHelper.createDocument();
        doc2.setName("doc2");

        assertTrue("Doc2 has no root element", doc2.getRootElement() == null);

        doc2.setContent(document.content());

        Element newRoot = doc2.getRootElement();

        assertTrue("Current root has document",
                oldRoot.getDocument() == document);

        assertTrue("Doc2 has now has root element", newRoot != null);
        assertTrue("Doc2 has different root element", newRoot != oldRoot);
        assertTrue("Root element now has document",
                newRoot.getDocument() == doc2);

        testParent(doc2.getRootElement());
        testDocument(doc2, doc2);

        doc2.clearContent();

        assertTrue("New Doc has no root", doc2.getRootElement() == null);
        assertTrue("New root has no document", newRoot.getDocument() == null);
    }

    public void testRootElement() throws Exception {
        Document doc3 = DocumentHelper.createDocument();
        doc3.setName("doc3");

        Element root = doc3.addElement("root");
        Element oldElement = root.addElement("old");

        assertTrue("Doc3 has root element", root != null);

        root.setContent(document.getRootElement().content());

        assertTrue("Doc3's root now has content", root.nodeCount() > 0);
        assertTrue("Old element has no parent now",
                oldElement.getParent() == null);
        assertTrue("Old element has no document now",
                oldElement.getDocument() == null);

        testParent(root);
        testDocument(root, doc3);
    }

    /**
     * Tests all the children of the branch have the correct parent
     * 
     * @param parent
     *            DOCUMENT ME!
     */
    protected void testParent(Branch parent) {
        for (int i = 0, size = parent.nodeCount(); i < size; i++) {
            Node node = parent.node(i);
            assertTrue("Child node of root has parent of root", node
                    .getParent() == parent);
        }
    }

    /**
     * Tests all the children of the branch have the correct document
     * 
     * @param branch
     *            DOCUMENT ME!
     * @param doc
     *            DOCUMENT ME!
     */
    protected void testDocument(Branch branch, Document doc) {
        for (int i = 0, size = branch.nodeCount(); i < size; i++) {
            Node node = branch.node(i);
            assertTrue("Node has correct document", node.getDocument() == doc);
        }
    }
}

/*
 * Redistribution and use of this software and associated documentation
 * ("Software"), with or without modification, are permitted provided that the
 * following conditions are met:
 * 
 * 1. Redistributions of source code must retain copyright statements and
 * notices. Redistributions must also contain a copy of this document.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * 
 * 3. The name "DOM4J" must not be used to endorse or promote products derived
 * from this Software without prior written permission of MetaStuff, Ltd. For
 * written permission, please contact [e-mail].
 * 
 * 4. Products derived from this Software may not be called "DOM4J" nor may
 * "DOM4J" appear in their names without prior written permission of MetaStuff,
 * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
 * 
 * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
 * 
 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
 */