Spring Framework example source code file (XmlBeanDefinitionReaderTests.java)

This example Spring Framework source code file (XmlBeanDefinitionReaderTests.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 - Spring Framework tags/keywords

beandefinitionstoreexception, beandefinitionstoreexception, classpathresource, defaultlistablebeanfactory, exception, illegalargumentexception, illegalargumentexception, resource, resource, sax, should, simplebeandefinitionregistry, simplebeandefinitionregistry, testbean, util, xmlbeandefinitionreader

The Spring Framework XmlBeanDefinitionReaderTests.java source code

/*
 * Copyright 2002-2008 the original author or authors.
 *
 * Licensed 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.springframework.beans.factory.xml;

import java.util.Arrays;

import junit.framework.TestCase;
import org.xml.sax.InputSource;

import org.springframework.beans.TestBean;
import org.springframework.beans.factory.BeanDefinitionStoreException;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.support.SimpleBeanDefinitionRegistry;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.InputStreamResource;
import org.springframework.core.io.Resource;

/**
 * @author Rick Evans
 * @author Juergen Hoeller
 */
public class XmlBeanDefinitionReaderTests extends TestCase {

	public void testSetParserClassSunnyDay() {
		SimpleBeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();;
		new XmlBeanDefinitionReader(registry).setDocumentReaderClass(DefaultBeanDefinitionDocumentReader.class);
	}

	public void testSetParserClassToNull() {
		try {
			SimpleBeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();;
			new XmlBeanDefinitionReader(registry).setDocumentReaderClass(null);
			fail("Should have thrown IllegalArgumentException (null parserClass)");
		}
		catch (IllegalArgumentException expected) {
		}
	}

	public void testSetParserClassToUnsupportedParserType() throws Exception {
		try {
			SimpleBeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();;
			new XmlBeanDefinitionReader(registry).setDocumentReaderClass(String.class);
			fail("Should have thrown IllegalArgumentException (unsupported parserClass)");
		}
		catch (IllegalArgumentException expected) {
		}
	}

	public void testWithOpenInputStream() {
		try {
			SimpleBeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();;
			Resource resource = new InputStreamResource(getClass().getResourceAsStream("test.xml"));
			new XmlBeanDefinitionReader(registry).loadBeanDefinitions(resource);
			fail("Should have thrown BeanDefinitionStoreException (can't determine validation mode)");
		}
		catch (BeanDefinitionStoreException expected) {
		}
	}

	public void testWithOpenInputStreamAndExplicitValidationMode() {
		SimpleBeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();;
		Resource resource = new InputStreamResource(getClass().getResourceAsStream("test.xml"));
		XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(registry);
		reader.setValidationMode(XmlBeanDefinitionReader.VALIDATION_DTD);
		reader.loadBeanDefinitions(resource);
		testBeanDefinitions(registry);
	}

	public void testWithInputSource() {
		try {
			SimpleBeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();;
			InputSource resource = new InputSource(getClass().getResourceAsStream("test.xml"));
			new XmlBeanDefinitionReader(registry).loadBeanDefinitions(resource);
			fail("Should have thrown BeanDefinitionStoreException (can't determine validation mode)");
		}
		catch (BeanDefinitionStoreException expected) {
		}
	}
	                                                                           
	public void testWithInputSourceAndExplicitValidationMode() {
		SimpleBeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();;
		InputSource resource = new InputSource(getClass().getResourceAsStream("test.xml"));
		XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(registry);
		reader.setValidationMode(XmlBeanDefinitionReader.VALIDATION_DTD);
		reader.loadBeanDefinitions(resource);
		testBeanDefinitions(registry);
	}

	public void testWithFreshInputStream() {
		SimpleBeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();;
		Resource resource = new ClassPathResource("test.xml", getClass());
		new XmlBeanDefinitionReader(registry).loadBeanDefinitions(resource);
		testBeanDefinitions(registry);
	}

	private void testBeanDefinitions(BeanDefinitionRegistry registry) {
		assertEquals(24, registry.getBeanDefinitionCount());
		assertEquals(24, registry.getBeanDefinitionNames().length);
		assertTrue(Arrays.asList(registry.getBeanDefinitionNames()).contains("rod"));
		assertTrue(Arrays.asList(registry.getBeanDefinitionNames()).contains("aliased"));
		assertTrue(registry.containsBeanDefinition("rod"));
		assertTrue(registry.containsBeanDefinition("aliased"));
		assertEquals(TestBean.class.getName(), registry.getBeanDefinition("rod").getBeanClassName());
		assertEquals(TestBean.class.getName(), registry.getBeanDefinition("aliased").getBeanClassName());
		assertTrue(registry.isAlias("youralias"));
		assertEquals(2, registry.getAliases("aliased").length);
		assertEquals("myalias", registry.getAliases("aliased")[0]);
		assertEquals("youralias", registry.getAliases("aliased")[1]);
	}

	public void testDtdValidationAutodetect() throws Exception {
		doTestValidation("validateWithDtd.xml");
	}

	public void testXsdValidationAutodetect() throws Exception {
		doTestValidation("validateWithXsd.xml");
	}

	private void doTestValidation(String resourceName) throws Exception {
		DefaultListableBeanFactory factory = new DefaultListableBeanFactory();;
		Resource resource = new ClassPathResource(resourceName, getClass());
		new XmlBeanDefinitionReader(factory).loadBeanDefinitions(resource);
		TestBean bean = (TestBean) factory.getBean("testBean");
		assertNotNull(bean);
	}

}