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/*******************************************************************************
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright © 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=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*
*******************************************************************************/
package org.onap.dmaap.service;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.core.Context;
import org.apache.http.HttpStatus;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;
import com.att.aft.dme2.internal.jettison.json.JSONException;
import org.onap.dmaap.dmf.mr.CambriaApiException;
import org.onap.dmaap.dmf.mr.beans.DMaaPContext;
import org.onap.dmaap.dmf.mr.exception.DMaaPResponseCode;
import org.onap.dmaap.dmf.mr.exception.ErrorResponse;
import org.onap.dmaap.dmf.mr.service.TransactionService;
import org.onap.dmaap.dmf.mr.utils.ConfigurationReader;
import com.att.nsa.configs.ConfigDbException;
/**
* This class is a CXF REST service
* which acts as gateway for DMaaP
* Transaction Ids.
* @author rajashree.khare
*
*/
@Component
@Path("/")
public class TransactionRestService {
/**
* Logger obj
*/
private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(TransactionRestService.class);
/**
* HttpServletRequest obj
*/
@Context
private HttpServletRequest request;
/**
* HttpServletResponse obj
*/
@Context
private HttpServletResponse response;
/**
* Config Reader
*/
@Autowired
@Qualifier("configurationReader")
private ConfigurationReader configReader;
@Autowired
private TransactionService transactionService;
/**
*
* Returns a list of all the existing Transaction Ids
* @throws CambriaApiException
*
* @throws IOException
* @exception ConfigDbException
* @exception IOException
*
*
*/
@GET
public void getAllTransactionObjs() throws CambriaApiException {
try {
LOGGER.info("Retrieving list of all transactions.");
transactionService.getAllTransactionObjs(getDmaapContext());
LOGGER.info("Returning list of all transactions.");
} catch (ConfigDbException | IOException e) {
LOGGER.error("Error while retrieving list of all transactions: "
+ e.getMessage(), e);
ErrorResponse errRes = new ErrorResponse(HttpStatus.SC_EXPECTATION_FAILED,
DMaaPResponseCode.RETRIEVE_TRANSACTIONS.getResponseCode(),
"Error while retrieving list of all transactions:"+e.getMessage());
LOGGER.info(errRes.toString());
throw new CambriaApiException(errRes);
}
}
/**
*
* Returns details of a particular transaction id whose <code>name</code> is
* passed as a parameter
*
* @param transactionId
* - id of transaction
* @throws CambriaApiException
* @throws IOException
* @exception ConfigDbException
* @exception IOException
* @exception JSONException
*
*
*/
@GET
@Path("/{transactionId}")
public void getTransactionObj(
@PathParam("transactionId") String transactionId) throws CambriaApiException {
LOGGER.info("Fetching details of Transaction ID : " + transactionId);
try {
transactionService.getTransactionObj(getDmaapContext(),
transactionId);
} catch (ConfigDbException | JSONException | IOException e) {
LOGGER.error("Error while retrieving transaction details for id: "
+ transactionId, e);
ErrorResponse errRes = new ErrorResponse(HttpStatus.SC_EXPECTATION_FAILED,
DMaaPResponseCode.RETRIEVE_TRANSACTIONS_DETAILS.getResponseCode(),
"Error while retrieving transaction details for id: ["
+ transactionId + "]: " + e.getMessage());
LOGGER.info(errRes.toString());
throw new CambriaApiException(errRes);
}
LOGGER.info("Returning details of transaction " + transactionId);
}
/**
* This method is used for taking Configuration Object,HttpServletRequest
* Object,HttpServletRequest HttpServletResponse Object,HttpServletSession
* Object.
*
* @return DMaaPContext object from where user can get Configuration
* Object,HttpServlet Object
*
*/
private DMaaPContext getDmaapContext() {
DMaaPContext dmaapContext = new DMaaPContext();
dmaapContext.setConfigReader(configReader);
dmaapContext.setRequest(request);
dmaapContext.setResponse(response);
return dmaapContext;
}
}
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