substringtest.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.xpath;

import junit.textui.TestRunner;

import java.io.File;
import java.util.List;

import org.dom4j.AbstractTestCase;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

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

    // Test case(s)
    // -------------------------------------------------------------------------
    public void testSubstring() throws Exception {
        String[] results1 = {"1100", "1101"};

        testSubstring("//field[substring(@id,1,2)='11']", results1);

        String[] results2 = {"2111", "3111"};
        testSubstring("//field[substring(@id,3)='11']", results2);
    }

    // Implementation methods
    // -------------------------------------------------------------------------
    protected void testSubstring(String path, String[] results)
            throws Exception {
        log("Using XPath: " + path);

        List list = document.selectNodes(path);

        log("Found: " + list);

        // Object object = list.get(0);
        // log( "(0) = " + object + " type: " + object.getClass() );
        int size = results.length;
        assertTrue("List should contain " + size + " results: " + list, list
                .size() == size);

        for (int i = 0; i < size; i++) {
            Element element = (Element) list.get(i);
            assertEquals(element.attributeValue("id"), results[i]);
        }
    }

    protected void setUp() throws Exception {
        super.setUp();
        document = new SAXReader().read(new File("xml/test/fields.xml"));
    }
}

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