@Test
public void shouldUseExtendedBeanInfoWhenApplicable()
throws NoSuchMethodException, SecurityException {
// given a class with a non-void returning setter method
@SuppressWarnings("unused")
class C {
public Object setFoo(String s) {
return this;
}
public String getFoo() {
return null;
}
}
// CachedIntrospectionResults should delegate to ExtendedBeanInfo
CachedIntrospectionResults results = CachedIntrospectionResults.forClass(C.class);
BeanInfo info = results.getBeanInfo();
PropertyDescriptor pd = null;
for (PropertyDescriptor candidate : info.getPropertyDescriptors()) {
if (candidate.getName().equals("foo")) {
pd = candidate;
}
}
// resulting in a property descriptor including the non-standard setFoo method
assertThat(pd, notNullValue());
assertThat(pd.getReadMethod(), equalTo(C.class.getMethod("getFoo")));
assertThat(
"No write method found for non-void returning 'setFoo' method. "
+ "Check to see if CachedIntrospectionResults is delegating to "
+ "ExtendedBeanInfo as expected",
pd.getWriteMethod(),
equalTo(C.class.getMethod("setFoo", String.class)));
}
@Test
public void clearClassLoaderForSystemClassLoader() throws Exception {
BeanUtils.getPropertyDescriptors(ArrayList.class);
assertTrue(CachedIntrospectionResults.strongClassCache.containsKey(ArrayList.class));
CachedIntrospectionResults.clearClassLoader(ArrayList.class.getClassLoader());
assertFalse(CachedIntrospectionResults.strongClassCache.containsKey(ArrayList.class));
}
/** Obtain a lazily initializted CachedIntrospectionResults instance for the wrapped object. */
private CachedIntrospectionResults getCachedIntrospectionResults() {
Assert.state(this.object != null, "BeanWrapper does not hold a bean instance");
if (this.cachedIntrospectionResults == null) {
this.cachedIntrospectionResults = CachedIntrospectionResults.forClass(getWrappedClass());
}
return this.cachedIntrospectionResults;
}
public void reloadEvent(String typename, Class<?> aClass, String encodedTimestamp) {
CachedIntrospectionResults.clearClassLoader(aClass.getClassLoader());
ClassPropertyFetcher.clearClassPropertyFetcherCache();
if (GrailsProjectWatcher.isActive()) {
GrailsProjectWatcher.firePendingClassChangeEvents(aClass);
}
}
@Test
public void acceptAndClearClassLoader() throws Exception {
BeanWrapper bw = new BeanWrapperImpl(TestBean.class);
assertTrue(bw.isWritableProperty("name"));
assertTrue(bw.isWritableProperty("age"));
assertTrue(CachedIntrospectionResults.strongClassCache.containsKey(TestBean.class));
ClassLoader child = new OverridingClassLoader(getClass().getClassLoader());
Class<?> tbClass = child.loadClass("org.springframework.tests.sample.beans.TestBean");
assertFalse(CachedIntrospectionResults.strongClassCache.containsKey(tbClass));
CachedIntrospectionResults.acceptClassLoader(child);
bw = new BeanWrapperImpl(tbClass);
assertTrue(bw.isWritableProperty("name"));
assertTrue(bw.isWritableProperty("age"));
assertTrue(CachedIntrospectionResults.strongClassCache.containsKey(tbClass));
CachedIntrospectionResults.clearClassLoader(child);
assertFalse(CachedIntrospectionResults.strongClassCache.containsKey(tbClass));
assertTrue(CachedIntrospectionResults.strongClassCache.containsKey(TestBean.class));
}
@Override
public void contextDestroyed(ServletContextEvent sce) {
try {
OpenFlameDataSource bean = OpenFlameSpringContext.getBean(OpenFlameDataSource.class);
bean.close();
} catch (SQLException e) {
e.printStackTrace();
}
try {
Scheduler scheduler = OpenFlameSpringContext.getBean(Scheduler.class);
scheduler.shutdown();
} catch (SchedulerException e) {
e.printStackTrace();
}
Env.clean();
JAXBContextCache.clearCaches();
ClassFactory.cleanCache();
CachedIntrospectionResults.clearClassLoader(getClass().getClassLoader());
super.contextDestroyed(sce);
}
/**
* Set the class to introspect. Needs to be called when the target object changes.
*
* @param clazz the class to introspect
*/
protected void setIntrospectionClass(Class clazz) {
if (this.cachedIntrospectionResults == null
|| !this.cachedIntrospectionResults.getBeanClass().equals(clazz)) {
this.cachedIntrospectionResults = CachedIntrospectionResults.forClass(clazz);
}
}