/*
* Copyright 2002-2016 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.context.expression;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.io.Serializable;
import java.net.URI;
import java.net.URL;
import java.security.AccessControlException;
import java.security.Permission;
import java.util.Properties;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.Test;
import org.springframework.beans.factory.ObjectFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
import org.springframework.beans.factory.config.Scope;
import org.springframework.beans.factory.config.TypedStringValue;
import org.springframework.beans.factory.support.AutowireCandidateQualifier;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.support.GenericBeanDefinition;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.AnnotationConfigUtils;
import org.springframework.context.support.GenericApplicationContext;
import org.springframework.core.convert.converter.Converter;
import org.springframework.core.convert.support.GenericConversionService;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.support.EncodedResource;
import org.springframework.tests.Assume;
import org.springframework.tests.TestGroup;
import org.springframework.tests.sample.beans.TestBean;
import org.springframework.util.FileCopyUtils;
import org.springframework.util.SerializationTestUtils;
import org.springframework.util.StopWatch;
import static org.junit.Assert.*;
/**
* @author Juergen Hoeller
* @author Sam Brannen
* @since 3.0
*/
public class ApplicationContextExpressionTests {
private static final Log factoryLog = LogFactory.getLog(DefaultListableBeanFactory.class);
@Test
public void genericApplicationContext() throws Exception {
GenericApplicationContext ac = new GenericApplicationContext();
AnnotationConfigUtils.registerAnnotationConfigProcessors(ac);
ac.getBeanFactory().registerScope("myScope", new Scope() {
@Override
public Object get(String name, ObjectFactory<?> objectFactory) {
return objectFactory.getObject();
}
@Override
public Object remove(String name) {
return null;
}
@Override
public void registerDestructionCallback(String name, Runnable callback) {
}
@Override
public Object resolveContextualObject(String key) {
if (key.equals("mySpecialAttr")) {
return "42";
}
else {
return null;
}
}
@Override
public String getConversationId() {
return null;
}
});
PropertyPlaceholderConfigurer ppc = new PropertyPlaceholderConfigurer();
Properties placeholders = new Properties();
placeholders.setProperty("code", "123");
ppc.setProperties(placeholders);
ac.addBeanFactoryPostProcessor(ppc);
GenericBeanDefinition bd0 = new GenericBeanDefinition();
bd0.setBeanClass(TestBean.class);
bd0.getPropertyValues().add("name", "myName");
bd0.addQualifier(new AutowireCandidateQualifier(Qualifier.class, "original"));
ac.registerBeanDefinition("tb0", bd0);
GenericBeanDefinition bd1 = new GenericBeanDefinition();
bd1.setBeanClassName("#{tb0.class}");
bd1.setScope("myScope");
bd1.getConstructorArgumentValues().addGenericArgumentValue("XXX#{tb0.name}YYY#{mySpecialAttr}ZZZ");
bd1.getConstructorArgumentValues().addGenericArgumentValue("#{mySpecialAttr}");
ac.registerBeanDefinition("tb1", bd1);
GenericBeanDefinition bd2 = new GenericBeanDefinition();
bd2.setBeanClassName("#{tb1.class.name}");
bd2.setScope("myScope");
bd2.getPropertyValues().add("name", "{ XXX#{tb0.name}YYY#{mySpecialAttr}ZZZ }");
bd2.getPropertyValues().add("age", "#{mySpecialAttr}");
bd2.getPropertyValues().add("country", "${code} #{systemProperties.country}");
ac.registerBeanDefinition("tb2", bd2);
GenericBeanDefinition bd3 = new GenericBeanDefinition();
bd3.setBeanClass(ValueTestBean.class);
bd3.setScope("myScope");
ac.registerBeanDefinition("tb3", bd3);
GenericBeanDefinition bd4 = new GenericBeanDefinition();
bd4.setBeanClass(ConstructorValueTestBean.class);
bd4.setScope("myScope");
ac.registerBeanDefinition("tb4", bd4);
GenericBeanDefinition bd5 = new GenericBeanDefinition();
bd5.setBeanClass(MethodValueTestBean.class);
bd5.setScope("myScope");
ac.registerBeanDefinition("tb5", bd5);
GenericBeanDefinition bd6 = new GenericBeanDefinition();
bd6.setBeanClass(PropertyValueTestBean.class);
bd6.setScope("myScope");
ac.registerBeanDefinition("tb6", bd6);
System.getProperties().put("country", "UK");
try {
ac.refresh();
TestBean tb0 = ac.getBean("tb0", TestBean.class);
TestBean tb1 = ac.getBean("tb1", TestBean.class);
assertEquals("XXXmyNameYYY42ZZZ", tb1.getName());
assertEquals(42, tb1.getAge());
TestBean tb2 = ac.getBean("tb2", TestBean.class);
assertEquals("{ XXXmyNameYYY42ZZZ }", tb2.getName());
assertEquals(42, tb2.getAge());
assertEquals("123 UK", tb2.getCountry());
ValueTestBean tb3 = ac.getBean("tb3", ValueTestBean.class);
assertEquals("XXXmyNameYYY42ZZZ", tb3.name);
assertEquals(42, tb3.age);
assertEquals(42, tb3.ageFactory.getObject().intValue());
assertEquals("123 UK", tb3.country);
assertEquals("123 UK", tb3.countryFactory.getObject());
System.getProperties().put("country", "US");
assertEquals("123 UK", tb3.country);
assertEquals("123 US", tb3.countryFactory.getObject());
System.getProperties().put("country", "UK");
assertEquals("123 UK", tb3.country);
assertEquals("123 UK", tb3.countryFactory.getObject());
assertSame(tb0, tb3.tb);
tb3 = (ValueTestBean) SerializationTestUtils.serializeAndDeserialize(tb3);
assertEquals("123 UK", tb3.countryFactory.getObject());
ConstructorValueTestBean tb4 = ac.getBean("tb4", ConstructorValueTestBean.class);
assertEquals("XXXmyNameYYY42ZZZ", tb4.name);
assertEquals(42, tb4.age);
assertEquals("123 UK", tb4.country);
assertSame(tb0, tb4.tb);
MethodValueTestBean tb5 = ac.getBean("tb5", MethodValueTestBean.class);
assertEquals("XXXmyNameYYY42ZZZ", tb5.name);
assertEquals(42, tb5.age);
assertEquals("123 UK", tb5.country);
assertSame(tb0, tb5.tb);
PropertyValueTestBean tb6 = ac.getBean("tb6", PropertyValueTestBean.class);
assertEquals("XXXmyNameYYY42ZZZ", tb6.name);
assertEquals(42, tb6.age);
assertEquals("123 UK", tb6.country);
assertSame(tb0, tb6.tb);
}
finally {
System.getProperties().remove("country");
}
}
@Test
public void prototypeCreationReevaluatesExpressions() {
GenericApplicationContext ac = new GenericApplicationContext();
AnnotationConfigUtils.registerAnnotationConfigProcessors(ac);
GenericConversionService cs = new GenericConversionService();
cs.addConverter(String.class, String.class, new Converter<String, String>() {
@Override
public String convert(String source) {
return source.trim();
}
});
ac.getBeanFactory().registerSingleton(GenericApplicationContext.CONVERSION_SERVICE_BEAN_NAME, cs);
RootBeanDefinition rbd = new RootBeanDefinition(PrototypeTestBean.class);
rbd.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
rbd.getPropertyValues().add("country", "#{systemProperties.country}");
rbd.getPropertyValues().add("country2", new TypedStringValue("-#{systemProperties.country}-"));
ac.registerBeanDefinition("test", rbd);
ac.refresh();
try {
System.getProperties().put("name", "juergen1");
System.getProperties().put("country", " UK1 ");
PrototypeTestBean tb = (PrototypeTestBean) ac.getBean("test");
assertEquals("juergen1", tb.getName());
assertEquals("UK1", tb.getCountry());
assertEquals("-UK1-", tb.getCountry2());
System.getProperties().put("name", "juergen2");
System.getProperties().put("country", " UK2 ");
tb = (PrototypeTestBean) ac.getBean("test");
assertEquals("juergen2", tb.getName());
assertEquals("UK2", tb.getCountry());
assertEquals("-UK2-", tb.getCountry2());
}
finally {
System.getProperties().remove("name");
System.getProperties().remove("country");
}
}
@Test
public void prototypeCreationIsFastEnough() {
Assume.group(TestGroup.PERFORMANCE);
Assume.notLogging(factoryLog);
GenericApplicationContext ac = new GenericApplicationContext();
RootBeanDefinition rbd = new RootBeanDefinition(TestBean.class);
rbd.setScope(RootBeanDefinition.SCOPE_PROTOTYPE);
rbd.getConstructorArgumentValues().addGenericArgumentValue("#{systemProperties.name}");
rbd.getPropertyValues().add("country", "#{systemProperties.country}");
ac.registerBeanDefinition("test", rbd);
ac.refresh();
StopWatch sw = new StopWatch();
sw.start("prototype");
System.getProperties().put("name", "juergen");
System.getProperties().put("country", "UK");
try {
for (int i = 0; i < 100000; i++) {
TestBean tb = (TestBean) ac.getBean("test");
assertEquals("juergen", tb.getName());
assertEquals("UK", tb.getCountry());
}
sw.stop();
}
finally {
System.getProperties().remove("country");
System.getProperties().remove("name");
}
assertTrue("Prototype creation took too long: " + sw.getTotalTimeMillis(), sw.getTotalTimeMillis() < 6000);
}
@Test
public void systemPropertiesSecurityManager() {
GenericApplicationContext ac = new GenericApplicationContext();
AnnotationConfigUtils.registerAnnotationConfigProcessors(ac);
GenericBeanDefinition bd = new GenericBeanDefinition();
bd.setBeanClass(TestBean.class);
bd.getPropertyValues().add("country", "#{systemProperties.country}");
ac.registerBeanDefinition("tb", bd);
SecurityManager oldSecurityManager = System.getSecurityManager();
try {
System.setProperty("country", "NL");
SecurityManager securityManager = new SecurityManager() {
@Override
public void checkPropertiesAccess() {
throw new AccessControlException("Not Allowed");
}
@Override
public void checkPermission(Permission perm) {
// allow everything else
}
};
System.setSecurityManager(securityManager);
ac.refresh();
TestBean tb = ac.getBean("tb", TestBean.class);
assertEquals("NL", tb.getCountry());
}
finally {
System.setSecurityManager(oldSecurityManager);
System.getProperties().remove("country");
}
}
@Test
public void stringConcatenationWithDebugLogging() {
GenericApplicationContext ac = new GenericApplicationContext();
AnnotationConfigUtils.registerAnnotationConfigProcessors(ac);
GenericBeanDefinition bd = new GenericBeanDefinition();
bd.setBeanClass(String.class);
bd.getConstructorArgumentValues().addGenericArgumentValue("test-#{ T(java.lang.System).currentTimeMillis() }");
ac.registerBeanDefinition("str", bd);
ac.refresh();
String str = ac.getBean("str", String.class);
assertTrue(str.startsWith("test-"));
}
@Test
public void resourceInjection() throws IOException {
System.setProperty("logfile", "do_not_delete_me.txt");
try (AnnotationConfigApplicationContext ac = new AnnotationConfigApplicationContext(ResourceInjectionBean.class)) {
ResourceInjectionBean resourceInjectionBean = ac.getBean(ResourceInjectionBean.class);
Resource resource = new ClassPathResource("do_not_delete_me.txt");
assertEquals(resource, resourceInjectionBean.resource);
assertEquals(resource.getURL(), resourceInjectionBean.url);
assertEquals(resource.getURI(), resourceInjectionBean.uri);
assertEquals(resource.getFile(), resourceInjectionBean.file);
assertArrayEquals(FileCopyUtils.copyToByteArray(resource.getInputStream()),
FileCopyUtils.copyToByteArray(resourceInjectionBean.inputStream));
assertEquals(FileCopyUtils.copyToString(new EncodedResource(resource).getReader()),
FileCopyUtils.copyToString(resourceInjectionBean.reader));
}
finally {
System.getProperties().remove("logfile");
}
}
@SuppressWarnings("serial")
public static class ValueTestBean implements Serializable {
@Autowired @Value("XXX#{tb0.name}YYY#{mySpecialAttr}ZZZ")
public String name;
@Autowired @Value("#{mySpecialAttr}")
public int age;
@Value("#{mySpecialAttr}")
public ObjectFactory<Integer> ageFactory;
@Value("${code} #{systemProperties.country}")
public String country;
@Value("${code} #{systemProperties.country}")
public ObjectFactory<String> countryFactory;
@Autowired @Qualifier("original")
public transient TestBean tb;
}
public static class ConstructorValueTestBean {
public String name;
public int age;
public String country;
public TestBean tb;
@Autowired
public ConstructorValueTestBean(
@Value("XXX#{tb0.name}YYY#{mySpecialAttr}ZZZ") String name,
@Value("#{mySpecialAttr}") int age,
@Qualifier("original") TestBean tb,
@Value("${code} #{systemProperties.country}") String country) {
this.name = name;
this.age = age;
this.country = country;
this.tb = tb;
}
}
public static class MethodValueTestBean {
public String name;
public int age;
public String country;
public TestBean tb;
@Autowired
public void configure(
@Qualifier("original") TestBean tb,
@Value("XXX#{tb0.name}YYY#{mySpecialAttr}ZZZ") String name,
@Value("#{mySpecialAttr}") int age,
@Value("${code} #{systemProperties.country}") String country) {
this.name = name;
this.age = age;
this.country = country;
this.tb = tb;
}
}
public static class PropertyValueTestBean {
public String name;
public int age;
public String country;
public TestBean tb;
@Value("XXX#{tb0.name}YYY#{mySpecialAttr}ZZZ")
public void setName(String name) {
this.name = name;
}
@Value("#{mySpecialAttr}")
public void setAge(int age) {
this.age = age;
}
@Value("${code} #{systemProperties.country}")
public void setCountry(String country) {
this.country = country;
}
@Autowired @Qualifier("original")
public void setTb(TestBean tb) {
this.tb = tb;
}
}
public static class PrototypeTestBean {
public String name;
public String country;
public String country2;
@Value("#{systemProperties.name}")
public void setName(String name) {
this.name = name;
}
public String getName() {
return name;
}
public void setCountry(String country) {
this.country = country;
}
public String getCountry() {
return country;
}
public void setCountry2(String country2) {
this.country2 = country2;
}
public String getCountry2() {
return country2;
}
}
public static class ResourceInjectionBean {
@Value("classpath:#{systemProperties.logfile}")
Resource resource;
@Value("classpath:#{systemProperties.logfile}")
URL url;
@Value("classpath:#{systemProperties.logfile}")
URI uri;
@Value("classpath:#{systemProperties.logfile}")
File file;
@Value("classpath:#{systemProperties.logfile}")
InputStream inputStream;
@Value("classpath:#{systemProperties.logfile}")
Reader reader;
}
}