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Spring Framework example source code file (ServletContextSupportTests.java)

This example Spring Framework source code file (ServletContextSupportTests.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

hashset, io, ioexception, mockservletcontext, mockservletcontext, mutablepropertyvalues, mutablepropertyvalues, rootbeandefinition, runtimebeanreference, servletcontextresourcepatternresolver, set, staticwebapplicationcontext, staticwebapplicationcontext, testbean, testbean, util

The Spring Framework ServletContextSupportTests.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.web.context.support;

import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import junit.framework.TestCase;

import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.TestBean;
import org.springframework.beans.factory.BeanCreationException;
import org.springframework.beans.factory.config.BeanDefinitionHolder;
import org.springframework.beans.factory.config.ConstructorArgumentValues;
import org.springframework.beans.factory.config.RuntimeBeanReference;
import org.springframework.beans.factory.support.ChildBeanDefinition;
import org.springframework.beans.factory.support.ManagedList;
import org.springframework.beans.factory.support.ManagedMap;
import org.springframework.beans.factory.support.ManagedSet;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.core.io.Resource;
import org.springframework.mock.web.MockServletContext;

/**
 * Tests for various ServletContext-related support classes.
 *
 * @author Juergen Hoeller
 * @since 22.12.2004
 */
public class ServletContextSupportTests extends TestCase {

	public void testServletContextFactoryBean() {
		MockServletContext sc = new MockServletContext();

		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.setServletContext(sc);
		MutablePropertyValues pvs = new MutablePropertyValues();
		wac.registerSingleton("servletContext", ServletContextFactoryBean.class, pvs);
		wac.refresh();

		Object value = wac.getBean("servletContext");
		assertEquals(sc, value);
	}

	public void testServletContextAttributeFactoryBean() {
		MockServletContext sc = new MockServletContext();
		sc.setAttribute("myAttr", "myValue");

		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.setServletContext(sc);
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("attributeName", "myAttr");
		wac.registerSingleton("importedAttr", ServletContextAttributeFactoryBean.class, pvs);
		wac.refresh();

		Object value = wac.getBean("importedAttr");
		assertEquals("myValue", value);
	}

	public void testServletContextAttributeFactoryBeanWithAttributeNotFound() {
		MockServletContext sc = new MockServletContext();

		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.setServletContext(sc);
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("attributeName", "myAttr");
		wac.registerSingleton("importedAttr", ServletContextAttributeFactoryBean.class, pvs);

		try {
			wac.refresh();
			fail("Should have thrown BeanCreationException");
		}
		catch (BeanCreationException ex) {
			// expected
			assertTrue(ex.getCause() instanceof IllegalStateException);
			assertTrue(ex.getCause().getMessage().indexOf("myAttr") != -1);
		}
	}

	public void testServletContextParameterFactoryBean() {
		MockServletContext sc = new MockServletContext();
		sc.addInitParameter("myParam", "myValue");

		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.setServletContext(sc);
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("initParamName", "myParam");
		wac.registerSingleton("importedParam", ServletContextParameterFactoryBean.class, pvs);
		wac.refresh();

		Object value = wac.getBean("importedParam");
		assertEquals("myValue", value);
	}

	public void testServletContextParameterFactoryBeanWithAttributeNotFound() {
		MockServletContext sc = new MockServletContext();

		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.setServletContext(sc);
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("initParamName", "myParam");
		wac.registerSingleton("importedParam", ServletContextParameterFactoryBean.class, pvs);

		try {
			wac.refresh();
			fail("Should have thrown BeanCreationException");
		}
		catch (BeanCreationException ex) {
			// expected
			assertTrue(ex.getCause() instanceof IllegalStateException);
			assertTrue(ex.getCause().getMessage().indexOf("myParam") != -1);
		}
	}

	public void testServletContextAttributeExporter() {
		TestBean tb = new TestBean();
		Map attributes = new HashMap();
		attributes.put("attr1", "value1");
		attributes.put("attr2", tb);

		MockServletContext sc = new MockServletContext();
		ServletContextAttributeExporter exporter = new ServletContextAttributeExporter();
		exporter.setAttributes(attributes);
		exporter.setServletContext(sc);

		assertEquals("value1", sc.getAttribute("attr1"));
		assertSame(tb, sc.getAttribute("attr2"));
	}

	public void testServletContextPropertyPlaceholderConfigurer() {
		MockServletContext sc = new MockServletContext();
		sc.addInitParameter("key4", "mykey4");

		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.setServletContext(sc);

		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("age", "${age}");
		pvs.addPropertyValue("name", "${key4}name${var}${var}${");
		pvs.addPropertyValue("spouse", new RuntimeBeanReference("${ref}"));
		wac.registerSingleton("tb1", TestBean.class, pvs);

		RootBeanDefinition bd = new RootBeanDefinition(TestBean.class, null);
		wac.getDefaultListableBeanFactory().registerBeanDefinition("tb2", bd);

		pvs = new MutablePropertyValues();
		pvs.addPropertyValue("properties", "age=98\nvar=${m}var\nref=tb2\nm=my");
		wac.registerSingleton("configurer", ServletContextPropertyPlaceholderConfigurer.class, pvs);

		wac.refresh();

		TestBean tb1 = (TestBean) wac.getBean("tb1");
		TestBean tb2 = (TestBean) wac.getBean("tb2");
		assertEquals(98, tb1.getAge());
		assertEquals("mykey4namemyvarmyvar${", tb1.getName());
		assertEquals(tb2, tb1.getSpouse());
	}

	public void testServletContextPropertyPlaceholderConfigurerWithLocalOverriding() {
		MockServletContext sc = new MockServletContext();
		sc.addInitParameter("key4", "mykey4");

		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.setServletContext(sc);

		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("age", "${age}");
		pvs.addPropertyValue("name", "${key4}name${var}${var}${");
		pvs.addPropertyValue("spouse", new RuntimeBeanReference("${ref}"));
		wac.registerSingleton("tb1", TestBean.class, pvs);

		RootBeanDefinition bd = new RootBeanDefinition(TestBean.class, null);
		wac.getDefaultListableBeanFactory().registerBeanDefinition("tb2", bd);

		pvs = new MutablePropertyValues();
		pvs.addPropertyValue("properties", "age=98\nvar=${m}var\nref=tb2\nm=my\nkey4=yourkey4");
		wac.registerSingleton("configurer", ServletContextPropertyPlaceholderConfigurer.class, pvs);

		wac.refresh();

		TestBean tb1 = (TestBean) wac.getBean("tb1");
		TestBean tb2 = (TestBean) wac.getBean("tb2");
		assertEquals(98, tb1.getAge());
		assertEquals("yourkey4namemyvarmyvar${", tb1.getName());
		assertEquals(tb2, tb1.getSpouse());
	}

	public void testServletContextPropertyPlaceholderConfigurerWithContextOverride() {
		MockServletContext sc = new MockServletContext();
		sc.addInitParameter("key4", "mykey4");

		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.setServletContext(sc);

		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("age", "${age}");
		pvs.addPropertyValue("name", "${key4}name${var}${var}${");
		pvs.addPropertyValue("spouse", new RuntimeBeanReference("${ref}"));
		wac.registerSingleton("tb1", TestBean.class, pvs);

		RootBeanDefinition bd = new RootBeanDefinition(TestBean.class, null);
		wac.getDefaultListableBeanFactory().registerBeanDefinition("tb2", bd);

		pvs = new MutablePropertyValues();
		pvs.addPropertyValue("properties", "age=98\nvar=${m}var\nref=tb2\nm=my\nkey4=yourkey4");
		pvs.addPropertyValue("contextOverride", Boolean.TRUE);
		wac.registerSingleton("configurer", ServletContextPropertyPlaceholderConfigurer.class, pvs);

		wac.refresh();

		TestBean tb1 = (TestBean) wac.getBean("tb1");
		TestBean tb2 = (TestBean) wac.getBean("tb2");
		assertEquals(98, tb1.getAge());
		assertEquals("mykey4namemyvarmyvar${", tb1.getName());
		assertEquals(tb2, tb1.getSpouse());
	}

	public void testServletContextPropertyPlaceholderConfigurerWithContextOverrideAndAttributes() {
		MockServletContext sc = new MockServletContext();
		sc.addInitParameter("key4", "mykey4");
		sc.setAttribute("key4", "attrkey4");

		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.setServletContext(sc);

		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("age", "${age}");
		pvs.addPropertyValue("name", "${key4}name${var}${var}${");
		pvs.addPropertyValue("spouse", new RuntimeBeanReference("${ref}"));
		wac.registerSingleton("tb1", TestBean.class, pvs);

		RootBeanDefinition bd = new RootBeanDefinition(TestBean.class, null);
		wac.getDefaultListableBeanFactory().registerBeanDefinition("tb2", bd);

		pvs = new MutablePropertyValues();
		pvs.addPropertyValue("properties", "age=98\nvar=${m}var\nref=tb2\nm=my\nkey4=yourkey4");
		pvs.addPropertyValue("contextOverride", Boolean.TRUE);
		pvs.addPropertyValue("searchContextAttributes", Boolean.TRUE);
		wac.registerSingleton("configurer", ServletContextPropertyPlaceholderConfigurer.class, pvs);

		wac.refresh();

		TestBean tb1 = (TestBean) wac.getBean("tb1");
		TestBean tb2 = (TestBean) wac.getBean("tb2");
		assertEquals(98, tb1.getAge());
		assertEquals("attrkey4namemyvarmyvar${", tb1.getName());
		assertEquals(tb2, tb1.getSpouse());
	}

	public void testServletContextPropertyPlaceholderConfigurerWithAttributes() {
		MockServletContext sc = new MockServletContext();
		sc.addInitParameter("key4", "mykey4");

		StaticWebApplicationContext wac = new StaticWebApplicationContext();
		wac.setServletContext(sc);

		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("age", "${age}");
		pvs.addPropertyValue("name", "name${var}${var}${");
		pvs.addPropertyValue("spouse", new RuntimeBeanReference("${ref}"));
		wac.registerSingleton("tb1", TestBean.class, pvs);

		ConstructorArgumentValues cas = new ConstructorArgumentValues();
		cas.addIndexedArgumentValue(1, "${age}");
		cas.addGenericArgumentValue("${var}name${age}");

		pvs = new MutablePropertyValues();
		List friends = new ManagedList();
		friends.add("na${age}me");
		friends.add(new RuntimeBeanReference("${ref}"));
		pvs.addPropertyValue("friends", friends);

		Set someSet = new ManagedSet();
		someSet.add("na${age}me");
		someSet.add(new RuntimeBeanReference("${ref}"));
		pvs.addPropertyValue("someSet", someSet);

		Map someMap = new ManagedMap();
		someMap.put("key1", new RuntimeBeanReference("${ref}"));
		someMap.put("key2", "${age}name");
		MutablePropertyValues innerPvs = new MutablePropertyValues();
		innerPvs.addPropertyValue("touchy", "${os.name}");
		someMap.put("key3", new RootBeanDefinition(TestBean.class, innerPvs));
		MutablePropertyValues innerPvs2 = new MutablePropertyValues(innerPvs);
		someMap.put("${key4}", new BeanDefinitionHolder(new ChildBeanDefinition("tb1", innerPvs2), "child"));
		pvs.addPropertyValue("someMap", someMap);

		RootBeanDefinition bd = new RootBeanDefinition(TestBean.class, cas, pvs);
		wac.getDefaultListableBeanFactory().registerBeanDefinition("tb2", bd);

		pvs = new MutablePropertyValues();
		pvs.addPropertyValue("properties", "var=${m}var\nref=tb2\nm=my");
		pvs.addPropertyValue("searchContextAttributes", Boolean.TRUE);
		wac.registerSingleton("configurer", ServletContextPropertyPlaceholderConfigurer.class, pvs);
		sc.setAttribute("age", new Integer(98));

		wac.refresh();

		TestBean tb1 = (TestBean) wac.getBean("tb1");
		TestBean tb2 = (TestBean) wac.getBean("tb2");
		assertEquals(98, tb1.getAge());
		assertEquals(98, tb2.getAge());
		assertEquals("namemyvarmyvar${", tb1.getName());
		assertEquals("myvarname98", tb2.getName());
		assertEquals(tb2, tb1.getSpouse());
		assertEquals(2, tb2.getFriends().size());
		assertEquals("na98me", tb2.getFriends().iterator().next());
		assertEquals(tb2, tb2.getFriends().toArray()[1]);
		assertEquals(2, tb2.getSomeSet().size());
		assertTrue(tb2.getSomeSet().contains("na98me"));
		assertTrue(tb2.getSomeSet().contains(tb2));
		assertEquals(4, tb2.getSomeMap().size());
		assertEquals(tb2, tb2.getSomeMap().get("key1"));
		assertEquals("98name", tb2.getSomeMap().get("key2"));
		TestBean inner1 = (TestBean) tb2.getSomeMap().get("key3");
		TestBean inner2 = (TestBean) tb2.getSomeMap().get("mykey4");
		assertEquals(0, inner1.getAge());
		assertEquals(null, inner1.getName());
		assertEquals(System.getProperty("os.name"), inner1.getTouchy());
		assertEquals(98, inner2.getAge());
		assertEquals("namemyvarmyvar${", inner2.getName());
		assertEquals(System.getProperty("os.name"), inner2.getTouchy());
	}

	public void testServletContextResourcePatternResolver() throws IOException {
		final Set paths = new HashSet();
		paths.add("/WEB-INF/context1.xml");
		paths.add("/WEB-INF/context2.xml");

		MockServletContext sc = new MockServletContext("classpath:org/springframework/web/context") {
			public Set getResourcePaths(String path) {
				if ("/WEB-INF/".equals(path)) {
					return paths;
				}
				return null;
			}
		};

		ServletContextResourcePatternResolver rpr = new ServletContextResourcePatternResolver(sc);
		Resource[] found = rpr.getResources("/WEB-INF/*.xml");
		Set foundPaths = new HashSet();
		for (int i = 0; i < found.length; i++) {
			foundPaths.add(((ServletContextResource) found[i]).getPath());
		}
		assertEquals(2, foundPaths.size());
		assertTrue(foundPaths.contains("/WEB-INF/context1.xml"));
		assertTrue(foundPaths.contains("/WEB-INF/context2.xml"));
	}

	public void testServletContextResourcePatternResolverWithPatternPath() throws IOException {
		final Set dirs = new HashSet();
		dirs.add("/WEB-INF/mydir1/");
		dirs.add("/WEB-INF/mydir2/");

		MockServletContext sc = new MockServletContext("classpath:org/springframework/web/context") {
			public Set getResourcePaths(String path) {
				if ("/WEB-INF/".equals(path)) {
					return dirs;
				}
				if ("/WEB-INF/mydir1/".equals(path)) {
					return Collections.singleton("/WEB-INF/mydir1/context1.xml");
				}
				if ("/WEB-INF/mydir2/".equals(path)) {
					return Collections.singleton("/WEB-INF/mydir2/context2.xml");
				}
				return null;
			}
		};

		ServletContextResourcePatternResolver rpr = new ServletContextResourcePatternResolver(sc);
		Resource[] found = rpr.getResources("/WEB-INF/*/*.xml");
		Set foundPaths = new HashSet();
		for (int i = 0; i < found.length; i++) {
			foundPaths.add(((ServletContextResource) found[i]).getPath());
		}
		assertEquals(2, foundPaths.size());
		assertTrue(foundPaths.contains("/WEB-INF/mydir1/context1.xml"));
		assertTrue(foundPaths.contains("/WEB-INF/mydir2/context2.xml"));
	}

	public void testServletContextResourcePatternResolverWithUnboundedPatternPath() throws IOException {
		final Set dirs = new HashSet();
		dirs.add("/WEB-INF/mydir1/");
		dirs.add("/WEB-INF/mydir2/");

		final Set paths = new HashSet();
		paths.add("/WEB-INF/mydir2/context2.xml");
		paths.add("/WEB-INF/mydir2/mydir3/");

		MockServletContext sc = new MockServletContext("classpath:org/springframework/web/context") {
			public Set getResourcePaths(String path) {
				if ("/WEB-INF/".equals(path)) {
					return dirs;
				}
				if ("/WEB-INF/mydir1/".equals(path)) {
					return Collections.singleton("/WEB-INF/mydir1/context1.xml");
				}
				if ("/WEB-INF/mydir2/".equals(path)) {
					return paths;
				}
				if ("/WEB-INF/mydir2/mydir3/".equals(path)) {
					return Collections.singleton("/WEB-INF/mydir2/mydir3/context3.xml");
				}
				return null;
			}
		};

		ServletContextResourcePatternResolver rpr = new ServletContextResourcePatternResolver(sc);
		Resource[] found = rpr.getResources("/WEB-INF/**/*.xml");
		Set foundPaths = new HashSet();
		for (int i = 0; i < found.length; i++) {
			foundPaths.add(((ServletContextResource) found[i]).getPath());
		}
		assertEquals(3, foundPaths.size());
		assertTrue(foundPaths.contains("/WEB-INF/mydir1/context1.xml"));
		assertTrue(foundPaths.contains("/WEB-INF/mydir2/context2.xml"));
		assertTrue(foundPaths.contains("/WEB-INF/mydir2/mydir3/context3.xml"));
	}

	public void testServletContextResourcePatternResolverWithAbsolutePaths() throws IOException {
		final Set paths = new HashSet();
		paths.add("C:/webroot/WEB-INF/context1.xml");
		paths.add("C:/webroot/WEB-INF/context2.xml");
		paths.add("C:/webroot/someOtherDirThatDoesntContainPath");

		MockServletContext sc = new MockServletContext("classpath:org/springframework/web/context") {
			public Set getResourcePaths(String path) {
				if ("/WEB-INF/".equals(path)) {
					return paths;
				}
				return null;
			}
		};

		ServletContextResourcePatternResolver rpr = new ServletContextResourcePatternResolver(sc);
		Resource[] found = rpr.getResources("/WEB-INF/*.xml");
		Set foundPaths = new HashSet();
		for (int i = 0; i < found.length; i++) {
			foundPaths.add(((ServletContextResource) found[i]).getPath());
		}
		assertEquals(2, foundPaths.size());
		assertTrue(foundPaths.contains("/WEB-INF/context1.xml"));
		assertTrue(foundPaths.contains("/WEB-INF/context2.xml"));
	}

}

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