Spring Framework example source code file (CustomNamespaceHandlerTests.java)

This example Spring Framework source code file (CustomNamespaceHandlerTests.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

advised, advisor, classpathresource, defaultlistablebeanfactory, dummyschemaresolver, exception, exception, incorrect, incorrect, invalid, io, itestbean, itestbean, sax, testbean, testbean, util

The Spring Framework CustomNamespaceHandlerTests.java source code

/*
 * Copyright 2002-2007 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.support;

import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.Set;

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

import org.springframework.aop.Advisor;
import org.springframework.aop.framework.Advised;
import org.springframework.aop.interceptor.DebugInterceptor;
import org.springframework.aop.interceptor.NopInterceptor;
import org.springframework.aop.support.AopUtils;
import org.springframework.beans.ITestBean;
import org.springframework.beans.TestBean;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.xml.DefaultNamespaceHandlerResolver;
import org.springframework.beans.factory.xml.NamespaceHandlerResolver;
import org.springframework.beans.factory.xml.PluggableSchemaResolver;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;

/**
 * @author Rob Harrop
 * @author Rick Evans
 */
public final class CustomNamespaceHandlerTests extends TestCase {

	private DefaultListableBeanFactory beanFactory;


	protected void setUp() throws Exception {
		String location = "org/springframework/beans/factory/xml/support/customNamespace.properties";
		NamespaceHandlerResolver resolver = new DefaultNamespaceHandlerResolver(getClass().getClassLoader(), location);
		this.beanFactory = new DefaultListableBeanFactory();
		XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(this.beanFactory);
		reader.setNamespaceHandlerResolver(resolver);
		reader.setValidationMode(XmlBeanDefinitionReader.VALIDATION_XSD);
		reader.setEntityResolver(new DummySchemaResolver());
		reader.loadBeanDefinitions(getResource());
	}


	public void testSimpleParser() throws Exception {
		TestBean bean = (TestBean) this.beanFactory.getBean("testBean");
		assetTestBean(bean);
	}

	public void testSimpleDecorator() throws Exception {
		TestBean bean = (TestBean) this.beanFactory.getBean("customisedTestBean");
		assetTestBean(bean);
	}

	public void testProxyingDecorator() throws Exception {
		ITestBean bean = (ITestBean) this.beanFactory.getBean("debuggingTestBean");
		assetTestBean(bean);
		assertTrue(AopUtils.isAopProxy(bean));
		Advisor[] advisors = ((Advised) bean).getAdvisors();
		assertEquals("Incorrect number of advisors", 1, advisors.length);
		assertEquals("Incorrect advice class.", DebugInterceptor.class, advisors[0].getAdvice().getClass());
	}

	public void testChainedDecorators() throws Exception {
		ITestBean bean = (ITestBean) this.beanFactory.getBean("chainedTestBean");
		assetTestBean(bean);
		assertTrue(AopUtils.isAopProxy(bean));
		Advisor[] advisors = ((Advised) bean).getAdvisors();
		assertEquals("Incorrect number of advisors", 2, advisors.length);
		assertEquals("Incorrect advice class.", DebugInterceptor.class, advisors[0].getAdvice().getClass());
		assertEquals("Incorrect advice class.", NopInterceptor.class, advisors[1].getAdvice().getClass());
	}

	public void testDecorationViaAttribute() throws Exception {
		BeanDefinition beanDefinition = this.beanFactory.getBeanDefinition("decorateWithAttribute");
		assertEquals("foo", beanDefinition.getAttribute("objectName"));
	}

	/**
	 * http://opensource.atlassian.com/projects/spring/browse/SPR-2728
	 */
	public void testCustomElementNestedWithinUtilList() throws Exception {
		List things = (List) this.beanFactory.getBean("list.of.things");
		assertNotNull(things);
		assertEquals(2, things.size());
	}

	/**
	 * http://opensource.atlassian.com/projects/spring/browse/SPR-2728
	 */
	public void testCustomElementNestedWithinUtilSet() throws Exception {
		Set things = (Set) this.beanFactory.getBean("set.of.things");
		assertNotNull(things);
		assertEquals(2, things.size());
	}

	/**
	 * http://opensource.atlassian.com/projects/spring/browse/SPR-2728
	 */
	public void testCustomElementNestedWithinUtilMap() throws Exception {
		Map things = (Map) this.beanFactory.getBean("map.of.things");
		assertNotNull(things);
		assertEquals(2, things.size());
	}


	private void assetTestBean(ITestBean bean) {
		assertEquals("Invalid name", "Rob Harrop", bean.getName());
		assertEquals("Invalid age", 23, bean.getAge());
	}

	private Resource getResource() {
		return new ClassPathResource("customNamespace.xml", getClass());
	}


	private final class DummySchemaResolver extends PluggableSchemaResolver {

		public DummySchemaResolver() {
			super(CustomNamespaceHandlerTests.this.getClass().getClassLoader());
		}


		public InputSource resolveEntity(String publicId, String systemId) throws IOException {
			InputSource source = super.resolveEntity(publicId, systemId);
			if (source == null) {
				Resource resource = new ClassPathResource("org/springframework/beans/factory/xml/support/spring-test.xsd");
				source = new InputSource(resource.getInputStream());
				source.setPublicId(publicId);
				source.setSystemId(systemId);
			}
			return source;
		}
	}

}