diff options
Diffstat (limited to 'catalog-fe/src/main/java/org/openecomp/sdc/fe/servlets/ConfigServlet.java')
-rw-r--r-- | catalog-fe/src/main/java/org/openecomp/sdc/fe/servlets/ConfigServlet.java | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/catalog-fe/src/main/java/org/openecomp/sdc/fe/servlets/ConfigServlet.java b/catalog-fe/src/main/java/org/openecomp/sdc/fe/servlets/ConfigServlet.java new file mode 100644 index 0000000000..92bb9e8743 --- /dev/null +++ b/catalog-fe/src/main/java/org/openecomp/sdc/fe/servlets/ConfigServlet.java @@ -0,0 +1,114 @@ +/*- + * ============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 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.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Root resource (exposed at "/" path) + */ +@Path("/config") +public class ConfigServlet extends BasicServlet { + + 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 " + Configuration.class + " was not found"); + } + 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(); + } + +} |