org.glassfish.jersey.server.ApplicationConfigurator Maven / Gradle / Ivy
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package org.glassfish.jersey.server;
import java.util.Collection;
import java.util.Collections;
import javax.ws.rs.core.Application;
import javax.inject.Singleton;
import org.glassfish.jersey.internal.BootstrapBag;
import org.glassfish.jersey.internal.BootstrapConfigurator;
import org.glassfish.jersey.internal.inject.Bindings;
import org.glassfish.jersey.internal.inject.InjectionManager;
import org.glassfish.jersey.internal.util.collection.Value;
import org.glassfish.jersey.server.spi.ComponentProvider;
/**
* Configurator which initializes and register {@link Application} instance into {@link InjectionManager} and
* {@link BootstrapBag}.
*
* @author Petr Bouda
*/
class ApplicationConfigurator implements BootstrapConfigurator {
private Application application;
private Class applicationClass;
/**
* Initialize {@link Application} from provided instance.
*
* @param application application instance.
*/
ApplicationConfigurator(Application application) {
this.application = application;
}
/**
* Initialize {@link Application} from provided class.
*
* @param applicationClass application class.
*/
ApplicationConfigurator(Class applicationClass) {
this.applicationClass = applicationClass;
}
@Override
public void init(InjectionManager injectionManager, BootstrapBag bootstrapBag) {
ServerBootstrapBag serverBag = (ServerBootstrapBag) bootstrapBag;
Application resultApplication;
// ApplicationConfigurer was created with an Application instance.
if (application != null) {
if (application instanceof ResourceConfig) {
ResourceConfig rc = (ResourceConfig) application;
if (rc.getApplicationClass() != null) {
rc.setApplication(createApplication(
injectionManager, rc.getApplicationClass(), serverBag.getComponentProviders()));
}
}
resultApplication = application;
// ApplicationConfigurer was created with an Application class.
} else {
resultApplication = createApplication(injectionManager, applicationClass, serverBag.getComponentProviders());
}
serverBag.setApplication(resultApplication);
injectionManager.register(Bindings.service(resultApplication).to(Application.class));
}
private static Application createApplication(
InjectionManager injectionManager,
Class applicationClass,
Value> componentProvidersValue) {
// need to handle ResourceConfig and Application separately as invoking forContract() on these
// will trigger the factories which we don't want at this point
if (applicationClass == ResourceConfig.class) {
return new ResourceConfig();
} else if (applicationClass == Application.class) {
return new Application();
} else {
Collection componentProviders = componentProvidersValue.get();
boolean appClassBound = false;
for (ComponentProvider cp : componentProviders) {
if (cp.bind(applicationClass, Collections.emptySet())) {
appClassBound = true;
break;
}
}
if (!appClassBound) {
if (applicationClass.isAnnotationPresent(Singleton.class)) {
injectionManager.register(Bindings.serviceAsContract(applicationClass).in(Singleton.class));
appClassBound = true;
}
}
final Application app = appClassBound
? injectionManager.getInstance(applicationClass)
: injectionManager.createAndInitialize(applicationClass);
if (app instanceof ResourceConfig) {
final ResourceConfig _rc = (ResourceConfig) app;
final Class innerAppClass = _rc.getApplicationClass();
if (innerAppClass != null) {
Application innerApp = createApplication(injectionManager, innerAppClass, componentProvidersValue);
_rc.setApplication(innerApp);
}
}
return app;
}
}
}