defaultdocumenttest.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.tree;

import junit.textui.TestRunner;

import java.io.ByteArrayOutputStream;

import org.dom4j.AbstractTestCase;
import org.dom4j.Document;
import org.dom4j.DocumentFactory;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.IllegalAddException;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;

/**
 * Some tests on DefaultDocument.
 * 
 * @author <a href="mailto:[e-mail]">Maarten Coene </a>
 */
public class DefaultDocumentTest extends AbstractTestCase {
    public static void main(String[] args) {
        TestRunner.run(DefaultDocumentTest.class);
    }

    // Test case(s)
    // -------------------------------------------------------------------------
    public void testDoubleRootElement() {
        Document document = DocumentFactory.getInstance().createDocument();
        document.addElement("root");

        Element root = DocumentFactory.getInstance().createElement(
                "anotherRoot");

        try {
            document.add(root);
            fail();
        } catch (IllegalAddException e) {
            String msg = e.getMessage();
            assertTrue(msg.indexOf(root.toString()) != -1);
        }
    }

    public void testBug799656() throws Exception {
        Document document = DocumentFactory.getInstance().createDocument();
        Element el = document.addElement("root");
        el.setText("text with an \u00FC in it"); // u00FC is umlaut

        System.out.println(document.asXML());

        DocumentHelper.parseText(document.asXML());
    }

    public void testAsXMLWithEncoding() throws Exception {
        DefaultDocument document = new DefaultDocument();
        document.addElement("root");
        document.setXMLEncoding("ISO-8859-1");

        Document doc = DocumentHelper.parseText("<?xml version='1.0' "
                + "encoding='ISO-8859-1'?><root/>");

        String xml1 = document.asXML();
        String xml2 = doc.asXML();

        assertTrue(xml1.indexOf("ISO-8859-1") != -1);
        assertTrue(xml2.indexOf("ISO-8859-1") != -1);
    }

    public void testBug1156909() throws Exception {
        Document doc = DocumentHelper.parseText("<?xml version='1.0' "
                + "encoding='ISO-8859-1'?><root/>");

        assertEquals("XMLEncoding not correct", "ISO-8859-1", doc
                .getXMLEncoding());
    }

    public void testAsXMLWithEncodingAndContent() throws Exception {
        DefaultDocument document = new DefaultDocument();
        document.setXMLEncoding("UTF-16");
        Element root = document.addElement("root");
        root.setText("text with an \u00FC in it"); // u00FC is umlaut

        String xml = document.asXML();
        assertTrue(xml.indexOf("UTF-16") != -1);
        assertTrue(xml.indexOf('\u00FC') != -1);
    }

    public void testEncoding() throws Exception {
        Document document = DocumentFactory.getInstance().createDocument(
                "koi8-r");
        Element el = document.addElement("root");
        el.setText("text with an \u00FC in it"); // u00FC is umlaut

        System.out.println(document.asXML());

        ByteArrayOutputStream out = new ByteArrayOutputStream();
        OutputFormat of = OutputFormat.createPrettyPrint();
        of.setEncoding("koi8-r");

        XMLWriter writer = new XMLWriter(out, of);
        writer.write(document);

        String result = out.toString("koi8-r");
        System.out.println(result);

        Document doc2 = DocumentHelper.parseText(result);
        // System.out.println(doc2.asXML());

    }
}

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 * 
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 * notices. Redistributions must also contain a copy of this document.
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 * 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.
 */