/*
* 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.servlet;
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.ErraiServiceSingleton;
import org.jboss.errai.common.metadata.ScannerSingleton;
import javax.servlet.FilterConfig;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
/**
* @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(final String parameter) {
return config.getInitParameter(parameter);
}
@Override
public ServletContext getServletContext() {
return config.getServletContext();
}
@Override
public String getContextParameter(final String paramater) {
return getServletContext().getInitParameter(paramater);
}
});
}
public static ErraiService getService(final ServletConfig config) {
return initService(new AbstractInitConfig() {
@Override
public String getInitParameter(final String parameter) {
return config.getInitParameter(parameter);
}
@Override
public ServletContext getServletContext() {
return config.getServletContext();
}
@Override
public String getContextParameter(final 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);
}
final String pathElement = ServletInitAttribs.WEBSOCKETS_PATH_ELEMENT
.getInitOrContextValue(config, "in.erraiBusWS");
final String webSocketsEnabled = ServletInitAttribs.WEBSOCKETS_ENABLED.getInitOrContextValue(config);
if (webSocketsEnabled != null) {
ErraiConfigAttribs.WEBSOCKET_SERVLET_ENABLED.set(configurator, webSocketsEnabled);
}
final String forceSecureWebsockets = ServletInitAttribs.FORCE_SECURE_WEBSOCKETS.getInitOrContextValue(config, "false");
ErraiConfigAttribs.FORCE_SECURE_WEBSOCKET.set(configurator, forceSecureWebsockets);
ErraiConfigAttribs.WEBSOCKET_SERVLET_CONTEXT_PATH.set(configurator, context.getContextPath() + "/" + pathElement);
return ErraiServiceSingleton.initSingleton(configurator);
}
}
}