package org.jboss.errai.bus.server.servlet;
import com.google.inject.AbstractModule;
import com.google.inject.Guice;
import org.jboss.errai.bus.client.framework.MessageBus;
import org.jboss.errai.bus.server.ServerMessageBusImpl;
import org.jboss.errai.bus.server.api.ServerMessageBus;
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.bus.server.service.ErraiServiceImpl;
import org.jboss.errai.bus.server.service.ErraiServiceSingleton;
import org.jboss.errai.common.metadata.ScannerSingleton;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.servlet.FilterConfig;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpSession;
/**
* @author Mike Brock
*/
public final class ServletBootstrapUtil {
private ServletBootstrapUtil() {
}
static {
ScannerSingleton.class.getName();
}
public static ErraiService getService(final FilterConfig config) {
return initService(new AbstractInitConfig() {
@Override
public String getInitParameter(String parameter) {
return config.getInitParameter(parameter);
}
@Override
public ServletContext getServletContext() {
return config.getServletContext();
}
@Override
public String getContextParameter(String paramater) {
return getServletContext().getInitParameter(paramater);
}
});
}
public static ErraiService getService(final ServletConfig config) {
return initService(new AbstractInitConfig() {
@Override
public String getInitParameter(String parameter) {
return config.getInitParameter(parameter);
}
@Override
public ServletContext getServletContext() {
return config.getServletContext();
}
@Override
public String getContextParameter(String paramater) {
return getServletContext().getInitParameter(paramater);
}
});
}
private static final Object getServiceLock = new Object();
private static ErraiService initService(final InitConfig config) {
synchronized (getServiceLock) {
if (ErraiServiceSingleton.isInitialized()) {
return ErraiServiceSingleton.getService();
}
final ServletContext context = config.getServletContext();
final ErraiServiceConfigurator configurator = new ErraiServiceConfiguratorImpl();
final String autoDiscoverServices
= ServletInitAttribs.AUTO_DISCOVER_SERVICES.getInitOrContextValue(config, "false");
if (autoDiscoverServices != null) {
ErraiConfigAttribs.AUTO_DISCOVER_SERVICES.set(configurator, autoDiscoverServices);
}
String pathElement = ServletInitAttribs.WEBSOCKETS_PATH_ELEMENT
.getInitOrContextValue(config, "in.erraiBusWebSocket");
String webSocketsEnabled = ServletInitAttribs.WEBSOCKETS_ENABLED.getInitOrContextValue(config);
if (webSocketsEnabled != null) {
ErraiConfigAttribs.WEBSOCKET_SERVLET_ENABLED.set(configurator, webSocketsEnabled);
}
ErraiConfigAttribs.WEBSOCKET_SERVLET_CONTEXT_PATH.set(configurator,
context.getContextPath() + "/" + pathElement);
return ErraiServiceSingleton.initSingleton(configurator);
}
}
}