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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 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.onap.aai.rest.util;
import java.util.ArrayList;
import java.util.HashMap;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import org.onap.aai.exceptions.AAIException;
import org.onap.aai.logging.ErrorLogHelper;
import org.onap.aai.restcore.RESTAPI;
/**
* The Class EchoResponse.
*/
@Path("/util")
public class EchoResponse extends RESTAPI {
protected static String authPolicyFunctionName = "util";
public static final String ECHO_PATH = "/echo";
/**
* Simple health-check API that echos back the X-FromAppId and X-TransactionId to clients.
* If there is a query string, a transaction gets logged into hbase, proving the application is
* connected to the data store.
* If there is no query string, no transacction logging is done to hbase.
*
* @param headers the headers
* @param req the req
* @param myAction if exists will cause transaction to be logged to hbase
* @return the response
*/
@GET
@Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
@Path(ECHO_PATH)
public Response echoResult(@Context HttpHeaders headers, @Context HttpServletRequest req,
@QueryParam("action") String myAction) {
AAIException ex = null;
Response response;
String fromAppId;
String transId;
try {
fromAppId = getFromAppId(headers);
transId = getTransId(headers);
} catch (AAIException e) {
ArrayList<String> templateVars = new ArrayList<>();
templateVars.add("PUT uebProvider");
templateVars.add("addTopic");
return Response
.status(e.getErrorObject().getHTTPResponseCode()).entity(ErrorLogHelper
.getRESTAPIErrorResponse(headers.getAcceptableMediaTypes(), e, templateVars))
.build();
}
try {
HashMap<AAIException, ArrayList<String>> exceptionList = new HashMap<>();
ArrayList<String> templateVars = new ArrayList<>();
templateVars.add(fromAppId);
templateVars.add(transId);
exceptionList.put(new AAIException("AAI_0002", "OK"), templateVars);
response = Response
.status(Status.OK).entity(ErrorLogHelper
.getRESTAPIInfoResponse(headers.getAcceptableMediaTypes(), exceptionList))
.build();
} catch (Exception e) {
ex = new AAIException("AAI_4000", e);
ArrayList<String> templateVars = new ArrayList<>();
templateVars.add(Action.GET.name());
templateVars.add(fromAppId + " " + transId);
response = Response
.status(Status.INTERNAL_SERVER_ERROR).entity(ErrorLogHelper
.getRESTAPIErrorResponse(headers.getAcceptableMediaTypes(), ex, templateVars))
.build();
} finally {
if (ex != null) {
ErrorLogHelper.logException(ex);
}
}
return response;
}
}
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