/*
* Copyright 2014-2015. Adaptive.me.
*
* 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 me.adaptive.dashbar.api.assembly;
import com.google.inject.Singleton;
import com.google.inject.servlet.ServletModule;
import com.google.inject.spring.SpringIntegration;
import me.adaptive.che.infrastructure.filter.AdaptiveEnvironmentFilter;
import org.eclipse.che.everrest.CodenvyEverrestWebSocketServlet;
import org.eclipse.che.inject.DynaModule;
import org.everrest.guice.servlet.GuiceEverrestServlet;
import org.everrest.websockets.WSConnectionTracker;
import javax.servlet.*;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@DynaModule
public class ApiServletModule extends ServletModule {
@Override
protected void configureServlets() {
getServletContext().addListener(new WSConnectionTracker());
bind(AdaptiveEnvironmentFilter.class)
.toProvider(SpringIntegration.fromSpring(AdaptiveEnvironmentFilter.class, "adaptiveEnvironmentFilter"))
.in(Singleton.class);
Filter corsFilter = getCORSFilter();
filter("/*").through(corsFilter); //TODO remove this filter in PRODUCTION
filter("/*").through(AdaptiveEnvironmentFilter.class);
serve("/api/ws/*").with(CodenvyEverrestWebSocketServlet.class);
serve("/api/*").with(GuiceEverrestServlet.class);
}
private Filter getCORSFilter() {
return new Filter() {
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
HttpServletResponse response = (HttpServletResponse) res;
response.setHeader("Access-Control-Allow-Origin", "*");
response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, PUT");
response.setHeader("Access-Control-Max-Age", "3600");
response.setHeader("Access-Control-Allow-Headers", "token, x-requested-with");
chain.doFilter(req, response);
}
@Override
public void destroy() {
}
};
}
}