setdatatest.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.datatype;

import junit.textui.TestRunner;

import java.math.BigInteger;

import org.dom4j.AbstractTestCase;
import org.dom4j.Attribute;
import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.Namespace;
import org.dom4j.QName;

/**
 * Tests setting the value of datatype aware element or attribute value
 * 
 * @author <a href="mailto:[e-mail]">James Strachan </a>
 * @version $Revision: 1.4 $
 */
public class SetDataTest extends AbstractTestCase {
    private DatatypeDocumentFactory factory = new DatatypeDocumentFactory();

    public static void main(String[] args) {
        TestRunner.run(SetDataTest.class);
    }

    // Test case(s)
    // -------------------------------------------------------------------------
    public void testAttribute() throws Exception {
        QName personName = factory.createQName("person");
        QName ageName = factory.createQName("age");

        Element person = factory.createElement(personName);

        person.addAttribute(ageName, "10");

        Attribute age = person.attribute(ageName);

        assertTrue("Created DatatypeAttribute not correct",
                age instanceof DatatypeAttribute);

        log("Found attribute: " + age);

        Object data = age.getData();
        Object expected = new BigInteger("10");

        assertEquals("Data is correct type", BigInteger.class, data.getClass());

        assertEquals("Set age correctly", expected, data);

        age.setValue("32");
        data = age.getData();
        expected = new BigInteger("32");

        assertEquals("Set age correctly", expected, data);

        /**
         * not sure if numeric types should be round tripped back to BigDecimal
         * (say) age.setData( new Long( 21 ) ); data = age.getData(); expected =
         * new BigInteger( "21" ); assertEquals( "Set age correctly", expected,
         * data );
         */

        // now lets set an invalid value
        try {
            age.setValue("abc");
            fail("Appeared to set an invalid value");
        } catch (IllegalArgumentException e) {
        }
    }

    public void testAttributeWithNamespace() throws Exception {
        QName personName = factory.createQName("person", "t", "urn://testing");
        QName ageName = factory.createQName("age", "t", "urn://testing");

        Element person = factory.createElement(personName);

        person.addAttribute(ageName, "10");

        Attribute age = person.attribute(ageName);

        assertTrue("Created DatatypeAttribute not correct",
                age instanceof DatatypeAttribute);

        log("Found attribute: " + age);

        Object data = age.getData();
        Object expected = new BigInteger("10");

        assertEquals("Data is correct type", BigInteger.class, data.getClass());

        assertEquals("Set age correctly", expected, data);

        age.setValue("32");
        data = age.getData();
        expected = new BigInteger("32");

        assertEquals("Set age correctly", expected, data);

        try {
            age.setValue("abc");
            fail("Appeared to set an invalid value");
        } catch (IllegalArgumentException e) {
        }
    }

    public void testElement() throws Exception {
        QName personName = factory.createQName("person");
        QName numberOfCarsName = factory.createQName("numberOfCars");

        Element person = factory.createElement(personName);

        Element cars = person.addElement(numberOfCarsName);

        log("Found element: " + cars);

        Object expected = new Short((short) 10);
        cars.setData(expected);

        Object data = cars.getData();

        assertEquals("Data is correct type", Short.class, data.getClass());
        assertEquals("Set cars correctly", expected, data);

        cars.setData(new Short((short) 32));
        data = cars.getData();
        expected = new Short((short) 32);

        assertEquals("Set cars correctly", expected, data);

        cars.setText("34");
        data = cars.getData();
        expected = new Short((short) 34);

        assertEquals("Set cars correctly", expected, data);

        // now lets set an invalid value
        try {
            cars.setText("abc");
            fail("Appeared to set an invalid value");
        } catch (IllegalArgumentException e) {
        }
    }

    // Implementation methods
    // -------------------------------------------------------------------------
    protected void setUp() throws Exception {
        super.setUp();

        Document schema = getDocument("/xml/test/schema/personal.xsd");
        factory.loadSchema(schema);

        Namespace ns = new Namespace("t", "urn://testing");
        factory.loadSchema(schema, ns);
    }
}

/*
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 * ("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.
 */