/*
* Copyright 2012 JBoss, by Red Hat, Inc
*
* 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.jboss.errai.bus.server.service.bootstrap;
import static com.google.inject.Guice.createInjector;
import org.jboss.errai.bus.client.api.messaging.MessageBus;
import org.jboss.errai.bus.client.api.messaging.RequestDispatcher;
import org.jboss.errai.bus.server.api.SessionProvider;
import org.jboss.errai.bus.server.service.ErraiConfigAttribs;
import org.jboss.errai.bus.server.service.ErraiService;
import org.jboss.errai.bus.server.service.ErraiServiceConfigurator;
import org.jboss.errai.bus.server.service.ErraiServiceConfiguratorImpl;
import org.jboss.errai.common.server.api.ErraiBootstrapFailure;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.inject.AbstractModule;
/**
* Load the default components configured through ErraiService.properties.
*
* @author: Heiko Braun <hbraun@redhat.com>
* @date: May 3, 2010
*/
class DefaultComponents implements BootstrapExecution {
private Logger log = LoggerFactory.getLogger(DefaultComponents.class);
public void execute(final BootstrapContext context) {
final ErraiServiceConfiguratorImpl config = (ErraiServiceConfiguratorImpl) context.getConfig();
/*** Dispatcher ***/
final RequestDispatcher dispatcher = createInjector(new AbstractModule() {
@Override
protected void configure() {
final Class<? extends RequestDispatcher> dispatcherImplementation;
final String dispatcherImpl = ErraiConfigAttribs.ERRAI_DISPATCHER_IMPLEMENTATION.get(config);
try {
dispatcherImplementation = Class.forName(dispatcherImpl).asSubclass(RequestDispatcher.class);
}
catch (Exception e) {
throw new ErraiBootstrapFailure("could not load request dispatcher implementation class", e);
}
log.info("using dispatcher implementation: " + dispatcherImplementation.getName());
bind(RequestDispatcher.class).to(dispatcherImplementation);
bind(ErraiService.class).toInstance(context.getService());
bind(MessageBus.class).toInstance(context.getBus());
bind(ErraiServiceConfigurator.class).toInstance(config);
}
}).getInstance(RequestDispatcher.class);
context.getService().setDispatcher(dispatcher);
/*** Session Provider ***/
final SessionProvider sessionProvider = createInjector(new AbstractModule() {
@Override
protected void configure() {
final Class<? extends SessionProvider> sessionProviderImplementation;
final String sessionProviderImpl = ErraiConfigAttribs.ERRAI_SESSION_PROVIDER_IMPLEMENTATION.get(config);
try {
sessionProviderImplementation = Class.forName(sessionProviderImpl)
.asSubclass(SessionProvider.class);
}
catch (Exception e) {
throw new ErraiBootstrapFailure("could not load session provider implementation class", e);
}
log.info("using session provider implementation: " + sessionProviderImplementation.getName());
bind(SessionProvider.class).to(sessionProviderImplementation);
bind(ErraiService.class).toInstance(context.getService());
bind(MessageBus.class).toInstance(context.getBus());
bind(ErraiServiceConfigurator.class).toInstance(config);
}
}).getInstance(SessionProvider.class);
context.getService().setSessionProvider(sessionProvider);
}
}