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package test.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.enterprise.context.ConversationScoped;
import javax.enterprise.context.RequestScoped;
import javax.enterprise.context.SessionScoped;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.inject.spi.InjectionTarget;
import javax.inject.Inject;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.sun.xml.bind.v2.schemagen.xmlschema.Annotated;
import test.beans.Preferred;
import test.beans.TestBean;
import test.beans.TransactionInterceptor;
import test.beans.Transactional;
import test.extension.MyExtension;
import test.framework.TestFrameworkClassWithConstructorInjection;
import test.framework.TestFrameworkClassWithSetterAndFieldInjection;
@WebServlet(name = "mytest", urlPatterns = { "/myurl" })
public class PortableExtensionInjectionTargetTestServlet extends HttpServlet {
@Inject
@Preferred
TestBean tb;
@Inject
BeanManager bm;
String msg = "";
public void service(HttpServletRequest req, HttpServletResponse res)
throws IOException, ServletException {
PrintWriter writer = res.getWriter();
writer.write("Hello from Servlet 3.0.");
if (tb == null)
msg += "Injection of request scoped bean failed";
tb.m1();
if (!TransactionInterceptor.aroundInvokeCalled)
msg += "Business method interceptor aroundInvoke not called";
tb.m2();
if (TransactionInterceptor.aroundInvokeInvocationCount != 2)
msg += "Business method interceptor invocation on method-level "
+ "interceptor annotation count not expected. "
+ "expected =2, actual="
+ TransactionInterceptor.aroundInvokeInvocationCount;
if (!TransactionInterceptor.errorMessage.trim().equals(""))
msg += TransactionInterceptor.errorMessage;
//check if our portable extension was called
if (!MyExtension.beforeBeanDiscoveryCalled)
msg += "Portable Extension lifecycle observer method: " +
"beforeBeanDiscovery not called";
if (!MyExtension.afterBeanDiscoveryCalled)
msg += "Portable Extension lifecycle observer method: " +
"afterBeanDiscovery not called or injection of BeanManager " +
"in an observer method failed";
if (!MyExtension.processAnnotatedTypeCalled)
msg += "Portable Extension lifecycle observer method: process " +
"annotated type not called";
//BeanManager lookup
if (bm == null)
msg += "Injection of BeanManager into servlet failed";
AnnotatedType<TestFrameworkClassWithConstructorInjection> atfc =
bm.createAnnotatedType(TestFrameworkClassWithConstructorInjection.class);
//First: Constructor Injection Framework class
CreationalContext ctx = bm.createCreationalContext(null);
InjectionTarget<TestFrameworkClassWithConstructorInjection> it = bm.createInjectionTarget(atfc);
TestFrameworkClassWithConstructorInjection ctorInstance = it.produce(ctx);
//Since this framework class needs to support constructor based injection
//we need to ask the CDI runtime to produce the instance.
it.inject(ctorInstance, ctx);
it.postConstruct(ctorInstance);
msg += ctorInstance.getInitialTestResults();
it.preDestroy(ctorInstance);
it.dispose(ctorInstance);
msg += ctorInstance.getFinalTestResults();
//Second: Setter and Field based Injection into a Framework class
AnnotatedType<TestFrameworkClassWithSetterAndFieldInjection> atsfi =
bm.createAnnotatedType(TestFrameworkClassWithSetterAndFieldInjection.class);
InjectionTarget<TestFrameworkClassWithSetterAndFieldInjection> it_set = bm.createInjectionTarget(atsfi);
TestFrameworkClassWithSetterAndFieldInjection setterInstance =
new TestFrameworkClassWithSetterAndFieldInjection("test");
it_set.inject(setterInstance, ctx);
it_set.postConstruct(setterInstance);
msg += setterInstance.getInitialTestResults();
it_set.preDestroy(setterInstance);
it_set.dispose(setterInstance);
msg += setterInstance.getFinalTestResults();
writer.write(msg + "\n");
}
private void check(boolean condition, String errorMessage) {
if(!condition){
msg += errorMessage;
}
}
}