Commons Digester example source code file (XMLSchemaTestCase.java)

This example Commons Digester source code file (XMLSchemaTestCase.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons Digester tags/keywords

digester, employee, hs, io, ioexception, ioexception, sax, saxexception, saxexception, schema, schema, schemafactory, test, testerrorhandler, testerrorhandler, xml, xmlschematestcase

The Commons Digester XMLSchemaTestCase.java source code

/* $Id: XMLSchemaTestCase.java 992060 2010-09-02 19:09:47Z simonetripodi $
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package org.apache.commons.digester;


import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import java.io.IOException;
import java.io.InputStream;

import javax.xml.XMLConstants;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;


/**
 * <p>Tests for XInclude aware parsing.

 *
 */
public class XMLSchemaTestCase {


    // ----------------------------------------------------- Instance Variables


    /**
     * The digester instance we will be processing.
     */
    protected Digester digester = null;


    // --------------------------------------------------- Overall Test Methods


    /**
     * Set up instance variables required by this test case.
     */
    @Before
    public void setUp() throws SAXException {

        digester = new Digester();

        // Use the test schema
        digester.setNamespaceAware(true);
        Schema test13schema = SchemaFactory.
            newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI).
            newSchema(this.getClass().getClassLoader().
                getResource("org/apache/commons/digester/Test13.xsd"));
        digester.setXMLSchema(test13schema);

        // Configure the digester as required
        digester.addObjectCreate("employee", Employee.class);
        digester.addCallMethod("employee/firstName", "setFirstName", 0);
        digester.addCallMethod("employee/lastName", "setLastName", 0);

        digester.addObjectCreate("employee/address", Address.class);
        digester.addCallMethod("employee/address/type", "setType", 0);
        digester.addCallMethod("employee/address/city", "setCity", 0);
        digester.addCallMethod("employee/address/state", "setState", 0);
        digester.addSetNext("employee/address", "addAddress");

    }


    /**
     * Tear down instance variables required by this test case.
     */
    @After
    public void tearDown() {

        digester = null;

    }



    // ------------------------------------------------ Individual Test Methods


    /**
     * Test XML Schema validation.
     */
    @Test
    public void testGoodDocument() throws SAXException, IOException {

        // Listen to validation errors
        TestErrorHandler teh = new TestErrorHandler();
        digester.setErrorHandler(teh);

        // Parse our test input
        Employee employee = (Employee) digester.parse(getInputStream("Test13-01.xml"));
        assertNotNull("failed to parsed an employee", employee);
        assertTrue("Test13-01 should not generate errors in Schema validation", teh.clean);

        // Test document has been processed
        Address ha = employee.getAddress("home");
        assertNotNull(ha);
        assertEquals("Home City", ha.getCity());
        assertEquals("HS", ha.getState());

    }

    @Test
    public void testBadDocument() throws SAXException, IOException {

        // Listen to validation errors
        TestErrorHandler teh = new TestErrorHandler();
        digester.setErrorHandler(teh);

        // Parse our test input
        digester.parse(getInputStream("Test13-02.xml"));
        assertFalse("Test13-02 should generate errors in Schema validation", teh.clean);

    }

    // ------------------------------------ Utility Support Methods and Classes


    /**
     * Return an appropriate InputStream for the specified test file (which
     * must be inside our current package.
     *
     * @param name Name of the test file we want
     *
     * @exception IOException if an input/output error occurs
     */
    protected InputStream getInputStream(String name) throws IOException {

        return (this.getClass().getResourceAsStream
                ("/org/apache/commons/digester/" + name));

    }

    static final class TestErrorHandler implements ErrorHandler {
        public boolean clean = true;
        public TestErrorHandler() { }
        public void error(SAXParseException exception) {
            clean = false;
        }
        public void fatalError(SAXParseException exception) {
            clean = false;
        }
        public void warning(SAXParseException exception) {
            clean = false;
        }
    }

}