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package org.eclipse.jetty.annotations.resources;
import java.lang.reflect.Field;
import java.util.List;
import javax.naming.Context;
import javax.naming.InitialContext;
import org.eclipse.jetty.annotations.AnnotationIntrospector;
import org.eclipse.jetty.annotations.ResourceAnnotationHandler;
import org.eclipse.jetty.annotations.ResourcesAnnotationHandler;
import org.eclipse.jetty.plus.annotation.Injection;
import org.eclipse.jetty.plus.annotation.InjectionCollection;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.webapp.WebAppContext;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
public class TestResourceAnnotations
{
private Server server;
private WebAppContext wac;
private InjectionCollection injections;
private Context comp;
private Context env;
private Object objA = 1000;
private Object objB = 2000;
@Before
public void init() throws Exception
{
server = new Server();
wac = new WebAppContext();
wac.setServer(server);
injections = new InjectionCollection();
wac.setAttribute(InjectionCollection.INJECTION_COLLECTION, injections);
InitialContext ic = new InitialContext();
comp = (Context)ic.lookup("java:comp");
env = comp.createSubcontext("env");
}
@After
public void destroy() throws Exception
{
comp.destroySubcontext("env");
}
@Test
public void testResourceAnnotations ()
throws Exception
{
new org.eclipse.jetty.plus.jndi.EnvEntry(server, "resA", objA, false);
new org.eclipse.jetty.plus.jndi.EnvEntry(server, "resB", objB, false);
AnnotationIntrospector parser = new AnnotationIntrospector();
ResourceAnnotationHandler handler = new ResourceAnnotationHandler(wac);
parser.registerHandler(handler);
parser.introspect(ResourceA.class);
parser.introspect(ResourceB.class);
//processing classA should give us these jndi name bindings:
// java:comp/env/myf
// java:comp/env/org.eclipse.jetty.annotations.resources.ResourceA/g
// java:comp/env/mye
// java:comp/env/org.eclipse.jetty.annotations.resources.ResourceA/h
// java:comp/env/resA
// java:comp/env/org.eclipse.jetty.annotations.resources.ResourceB/f
// java:comp/env/org.eclipse.jetty.annotations.resources.ResourceA/n
//
assertEquals(objB, env.lookup("myf"));
assertEquals(objA, env.lookup("mye"));
assertEquals(objA, env.lookup("resA"));
assertEquals(objA, env.lookup("org.eclipse.jetty.annotations.resources.ResourceA/g"));
assertEquals(objA, env.lookup("org.eclipse.jetty.annotations.resources.ResourceA/h"));
assertEquals(objB, env.lookup("org.eclipse.jetty.annotations.resources.ResourceB/f"));
assertEquals(objB, env.lookup("org.eclipse.jetty.annotations.resources.ResourceA/n"));
//we should have Injections
assertNotNull(injections);
List<Injection> resBInjections = injections.getInjections(ResourceB.class.getCanonicalName());
assertNotNull(resBInjections);
//only 1 field injection because the other has no Resource mapping
assertEquals(1, resBInjections.size());
Injection fi = resBInjections.get(0);
assertEquals ("f", fi.getTarget().getName());
//3 method injections on class ResourceA, 4 field injections
List<Injection> resAInjections = injections.getInjections(ResourceA.class.getCanonicalName());
assertNotNull(resAInjections);
assertEquals(7, resAInjections.size());
int fieldCount = 0;
int methodCount = 0;
for (Injection x : resAInjections)
{
if (x.isField())
fieldCount++;
else
methodCount++;
}
assertEquals(4, fieldCount);
assertEquals(3, methodCount);
//test injection
ResourceB binst = new ResourceB();
injections.inject(binst);
//check injected values
Field f = ResourceB.class.getDeclaredField ("f");
f.setAccessible(true);
assertEquals(objB , f.get(binst));
//@Resource(mappedName="resA") //test the default naming scheme but using a mapped name from the environment
f = ResourceA.class.getDeclaredField("g");
f.setAccessible(true);
assertEquals(objA, f.get(binst));
//@Resource(name="resA") //test using the given name as the name from the environment
f = ResourceA.class.getDeclaredField("j");
f.setAccessible(true);
assertEquals(objA, f.get(binst));
//@Resource(mappedName="resB") //test using the default name on an inherited field
f = ResourceA.class.getDeclaredField("n");
f.setAccessible(true);
assertEquals(objB, f.get(binst));
}
@Test
public void testResourcesAnnotation ()
throws Exception
{
new org.eclipse.jetty.plus.jndi.EnvEntry(server, "resA", objA, false);
new org.eclipse.jetty.plus.jndi.EnvEntry(server, "resB", objB, false);
AnnotationIntrospector introspector = new AnnotationIntrospector();
ResourcesAnnotationHandler handler = new ResourcesAnnotationHandler(wac);
introspector.registerHandler(handler);
introspector.introspect(ResourceA.class);
introspector.introspect(ResourceB.class);
assertEquals(objA, env.lookup("peach"));
assertEquals(objB, env.lookup("pear"));
}
}
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