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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.fe.servlets;
import java.util.concurrent.TimeUnit;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.container.AsyncResponse;
import javax.ws.rs.container.Suspended;
import javax.ws.rs.container.TimeoutHandler;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import org.openecomp.sdc.common.api.ConfigurationSource;
import org.openecomp.sdc.common.api.Constants;
import org.openecomp.sdc.common.servlets.BasicServlet;
import org.openecomp.sdc.fe.config.Configuration;
import org.openecomp.sdc.fe.impl.DesignerStatusBL;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Root resource (exposed at "/" path)
*/
@Path("/config")
public class ConfigServlet extends BasicServlet {
private static final long serialVersionUID = 1L;
private static Logger log = LoggerFactory.getLogger(ConfigServlet.class.getName());
//@GET
//@Path("/get")
//@Produces(MediaType.APPLICATION_JSON)
public String getConfig(@Context final HttpServletRequest request) {
String result = null;
ServletContext context = request.getSession().getServletContext();
ConfigurationSource configurationSource = (ConfigurationSource) context
.getAttribute(Constants.CONFIGURATION_SOURCE_ATTR);
if (configurationSource != null) {
Configuration configuration = configurationSource.getAndWatchConfiguration(Configuration.class, null);
if (configuration == null) {
log.warn("Configuration of type {} was not found", Configuration.class);
}
log.debug("{}", configuration);
if (log.isInfoEnabled()) {
log.info("Info level ENABLED...");
}
log.info("The value returned from getConfig is {}", configuration);
result = gson.toJson(configuration);
} else {
log.warn("Source Configuration object was not initialized in the context.");
}
return result;
}
//@GET
//@Path("/asyncget")
public void asyncGet(@Suspended final AsyncResponse asyncResponse) {
asyncResponse.setTimeoutHandler(new TimeoutHandler() {
@Override
public void handleTimeout(AsyncResponse asyncResponse) {
asyncResponse.resume(
Response.status(Response.Status.SERVICE_UNAVAILABLE).entity("Operation time out.").build());
}
});
asyncResponse.setTimeout(3, TimeUnit.SECONDS);
new Thread(new Runnable() {
@Override
public void run() {
String result = veryExpensiveOperation();
asyncResponse.resume(result);
}
private String veryExpensiveOperation() {
return "veryExpensiveOperation SUCCESS";
}
}).start();
}
@GET
@Path("/ui/designers")
@Produces(MediaType.APPLICATION_JSON)
public Response getDesignersConfiguration(@Context final HttpServletRequest request) {
String result = null;
ServletContext context = request.getSession().getServletContext();
DesignerStatusBL designerStatusBL = (DesignerStatusBL) context.getAttribute(Constants.DESIGNER_BL_COMPONENT);
result = designerStatusBL.checkDesignerListAvailability();
return Response.status(Status.OK).entity(result).build();
}
}
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