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package org.lockss.laaws.poller.impl;
import org.josql.Query;
import org.josql.QueryExecutionException;
import org.josql.QueryResults;
import org.lockss.hasher.HasherParams;
import org.lockss.hasher.HasherResult;
import org.lockss.hasher.SimpleHasher;
import org.lockss.importer.Importer;
import org.lockss.laaws.poller.api.WsApiDelegate;
import org.lockss.util.rest.repo.util.NamedInputStreamResource;
import org.lockss.log.L4JLogger;
import org.lockss.spring.base.BaseSpringApiServiceImpl;
import org.lockss.spring.error.LockssRestServiceException;
import org.lockss.util.StringUtil;
import org.lockss.util.io.FileUtil;
import org.lockss.util.josql.JosqlUtil;
import org.lockss.util.os.PlatformUtil;
import org.lockss.util.time.TimeBase;
import org.lockss.ws.entities.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.io.Resource;
import org.springframework.http.*;
import org.springframework.stereotype.Service;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.multipart.MultipartFile;
import javax.activation.FileDataSource;
import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.io.IOException;
import java.security.NoSuchAlgorithmException;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Future;
import static org.lockss.ws.entities.HasherWsResult.BLOCK_FILE_TYPE;
import static org.lockss.ws.entities.HasherWsResult.RECORD_FILE_TYPE;
@Service
public class WsApiServiceImpl extends BaseSpringApiServiceImpl implements WsApiDelegate {
private static L4JLogger log = L4JLogger.getLogger();
// TODO: Move the following endpoint handler to some other service. It is here
// only for expediency.
private final HttpServletRequest request;
@Autowired
public WsApiServiceImpl(HttpServletRequest request) {
this.request = request;
}
/**
* PUT /aus/import: Import a file as an artifact in an Archival Unit.
*
* @param targetBaseUrlPath A String with the base URL path of the target
* Archival Unit.
* @param targetUrl A String with the target Archival Unit URL.
* @param file A MultipartFile with the content of the file to be
* imported.
* @param userProperties A {@code List} with the user-specified
* properties.
* @return a {@code ResponseEntity}.
*/
@Override
public ResponseEntity putImportFile(String targetBaseUrlPath,
String targetUrl, MultipartFile file, List userProperties) {
String parsedRequest = String.format("targetBaseUrlPath: %s, "
+ "targetUrl: %s, content.getName(): %s, content.getSize(): %s, "
+ "userProperties: %s, requestUrl: %s", targetBaseUrlPath, targetUrl,
file.getName(), file.getSize(), userProperties,
getFullRequestUrl(request));
log.debug2("Parsed request: {}", parsedRequest);
try {
new Importer().importFile(file.getInputStream(), targetBaseUrlPath,
targetUrl, userProperties);
return new ResponseEntity(null, null, HttpStatus.OK);
} catch (IllegalArgumentException | IllegalStateException
| NoSuchAlgorithmException e) {
String errorMessage = "Exception caught trying to import file";
log.warn(errorMessage, e);
log.warn("Parsed request: {}", parsedRequest);
throw new LockssRestServiceException(HttpStatus.BAD_REQUEST, errorMessage,
e, parsedRequest);
} catch (Exception e) {
String errorMessage = "Unexpected exception caught trying to import file";
log.warn(errorMessage, e);
log.warn("Parsed request: {}", parsedRequest);
throw new LockssRestServiceException(HttpStatus.INTERNAL_SERVER_ERROR,
errorMessage, e, parsedRequest);
}
}
/**
* Provides the full URL of the request.
*
* @param request An HttpServletRequest with the HTTP request.
* @return a String with the full URL of the request.
*/
private String getFullRequestUrl(HttpServletRequest request) {
if (request.getQueryString() == null
|| request.getQueryString().trim().isEmpty()) {
return "'" + request.getMethod() + " " + request.getRequestURL() + "'";
}
return "'" + request.getMethod() + " " + request.getRequestURL() + "?"
+ request.getQueryString() + "'";
}
/**
* GET /aurepositories?query={repositoryQuery}: Provides the selected properties
* of selected repositories in the system.
*
* @param repositoryQuery A String with the
* SQL-like
* query used to specify what properties to
* retrieve from which repository.
* @return a {@code List} with the results.
*/
@Override
public ResponseEntity getRepositories(String repositoryQuery) {
log.debug2("repositoryQuery = {}", repositoryQuery);
RepositoryHelper repositoryHelper = new RepositoryHelper();
List results = null;
try {
// Create the full query.
String fullQuery = JosqlUtil.createFullQuery(repositoryQuery,
RepositoryHelper.SOURCE_FQCN, RepositoryHelper.PROPERTY_NAMES,
RepositoryHelper.RESULT_FQCN);
log.trace("fullQuery = {}", fullQuery);
// Create a new JoSQL query.
Query q = new Query();
try {
// Parse the SQL-like query.
q.parse(fullQuery);
// Execute the query.
QueryResults qr = q.execute(repositoryHelper.createUniverse());
// Get the query results.
results = (List) qr.getResults();
log.trace("results.size() = {}", results.size());
log.trace("results = {}", repositoryHelper.nonDefaultToString(results));
return new ResponseEntity<>(results, HttpStatus.OK);
} catch (QueryExecutionException qee) {
String message = "Cannot getRepositories() for repositoryQuery = '"
+ repositoryQuery + "'";
log.error(message, qee);
return new ResponseEntity(message,
HttpStatus.INTERNAL_SERVER_ERROR);
}
} catch (Exception e) {
String message = "Cannot getRepositories() for repositoryQuery = '"
+ repositoryQuery + "'";
log.error(message, e);
return new ResponseEntity(message,
HttpStatus.INTERNAL_SERVER_ERROR);
}
}
private static final Map HASH_REQUESTS =
new LinkedHashMap();
// Dummy request identifier used for synchronous hash operations to use code
// that is common to asynchronous hash operations.
private static final String DEFAULT_REQUEST_ID = "noRequestId";
/**
* Removes from the system an asynchronous hashing operation, terminating it
* if it's still running.
*
* @param requestId A String with the identifier of the requested asynchronous
* hashing operation.
* @return a {@code ResponseEntity} with the result of the removal of
* the hashing operation.
*/
@Override
public ResponseEntity deleteHash(String requestId) {
log.debug2("requestId = {}", requestId);
String message = null;
try {
// Handle a missing request identifier.
if (StringUtil.isNullString(requestId)) {
message = "Must supply request identifier";
log.warn(message);
return new ResponseEntity(message, HttpStatus.BAD_REQUEST);
}
// Get the hash request data.
SimpleHasher.ParamsAndResult paramsAndResult;
synchronized (HASH_REQUESTS) {
paramsAndResult = HASH_REQUESTS.get(requestId);
}
// Handle a missing request.
if (paramsAndResult == null || paramsAndResult.result == null) {
message = "Cannot find asynchronous hash request '" + requestId + "'";
log.warn(message);
return new ResponseEntity(message, HttpStatus.NOT_FOUND);
}
// Get the result.
HasherResult result = paramsAndResult.result;
log.trace("result = {}", result);
switch (result.getRunnerStatus()) {
case NotStarted:
case Init:
case Starting:
case Running:
Future future = result.getFuture();
if (future != null) {
future.cancel(true);
}
break;
default:
}
FileUtil.safeDeleteFile(result.getBlockFile());
FileUtil.safeDeleteFile(result.getRecordFile());
synchronized (HASH_REQUESTS) {
HASH_REQUESTS.remove(requestId);
}
message = SimpleHasher.HasherStatus.Done.toString();
log.debug2("message = {}", message);
return new ResponseEntity(message, HttpStatus.OK);
} catch (Exception e) {
message = "Cannot deleteHash() for requestId = '" + requestId + "'";
log.error(message, e);
return new ResponseEntity(message,
HttpStatus.INTERNAL_SERVER_ERROR);
}
}
@Override
/**
* Provides the results of all the asynchronous hashing operations.
*
* @return a {@code ResponseEntity>} with the
* results of all the asynchronous hashing operations.
*/
public ResponseEntity getAllHashes() {
log.debug2("Invoked.");
try {
// Initialize the response.
MultiValueMap> parts = new LinkedMultiValueMap<>();
// Loop through all the existing requests.
synchronized (HASH_REQUESTS) {
for (String requestId : HASH_REQUESTS.keySet()) {
// Get the result.
HasherResult result = HASH_REQUESTS.get(requestId).result;
log.trace("result = {}", result);
// Add to the response the parts for this result.
populateResultParts(requestId, result, parts);
}
}
log.trace("parts.size() = {}", parts.size());
// Build and return the response.
return buildResponse(parts);
} catch (Exception e) {
String message = "Cannot getAllHashes()";
log.error(message, e);
return new ResponseEntity(message,
HttpStatus.INTERNAL_SERVER_ERROR);
}
}
/**
* Provides the result of an asynchronous hashing operation.
*
* @param requestId A String with the identifier of the requested asynchronous
* hashing operation.
* @return a {@code ResponseEntity>} with the
* result of the hashing operation.
*/
@Override
public ResponseEntity getHash(String requestId) {
log.debug2("requestId = {}", requestId);
String message = null;
try {
// Handle a missing request identifier.
if (StringUtil.isNullString(requestId)) {
message = "Must supply request identifier";
log.warn(message);
return new ResponseEntity(message, HttpStatus.BAD_REQUEST);
}
// Get the hash request data.
SimpleHasher.ParamsAndResult paramsAndResult;
synchronized (HASH_REQUESTS) {
paramsAndResult = HASH_REQUESTS.get(requestId);
}
// Handle a missing request.
if (paramsAndResult == null || paramsAndResult.result == null) {
message = "Cannot find asynchronous hash request '" + requestId + "'";
log.warn(message);
return new ResponseEntity(message, HttpStatus.NOT_FOUND);
}
// Get the result.
HasherResult result = paramsAndResult.result;
log.trace("result = {}", result);
// Initialize the response.
MultiValueMap> parts = new LinkedMultiValueMap<>();
// Populate the response with the parts for this result.
populateResultParts(requestId, result, parts);
log.trace("parts.size() = {}", parts.size());
// Build and return the response.
return buildResponse(parts);
} catch (Exception e) {
message = "Cannot getHash() for requestId = '" + requestId + "'";
log.error(message, e);
return new ResponseEntity(message,
HttpStatus.INTERNAL_SERVER_ERROR);
}
}
@Override
/**
* Performs the hashing of an AU or a URL.
*
* @param hasherWsParams A HasherWsParams with the parameters of the hashing
* operation.
* @param isAsynchronous A Boolean with the indication of whether the hashing
* parameters is to be performed asynchronously.
* @return a {@code ResponseEntity>} with the
* result of the hashing operation.
*/
public ResponseEntity putHash(HasherWsParams hasherWsParams,
Boolean isAsynchronous) {
log.debug2("hasherWsParams = {}", hasherWsParams);
log.debug2("isAsynchronous = {}", isAsynchronous);
try {
// Prepare the hash parameters.
HasherParams params =
new HasherParams(PlatformUtil.getLocalHostname(), isAsynchronous);
params.setAlgorithm(hasherWsParams.getAlgorithm());
params.setAuId(hasherWsParams.getAuId());
params.setChallenge(hasherWsParams.getChallenge());
Boolean excludeSuspectVersions =
hasherWsParams.isExcludeSuspectVersions();
if (excludeSuspectVersions == null) {
params.setExcludeSuspectVersions(false);
} else {
params.setExcludeSuspectVersions(excludeSuspectVersions.booleanValue());
}
Boolean includeWeight = hasherWsParams.isIncludeWeight();
if (includeWeight == null) {
params.setIncludeWeight(false);
} else {
params.setIncludeWeight(includeWeight.booleanValue());
}
params.setHashType(hasherWsParams.getHashType());
params.setLower(hasherWsParams.getLower());
Boolean recordFilteredStream = hasherWsParams.isRecordFilteredStream();
if (recordFilteredStream == null) {
params.setRecordFilteredStream(false);
} else {
params.setRecordFilteredStream(recordFilteredStream.booleanValue());
}
params.setResultEncoding(hasherWsParams.getResultEncoding());
params.setUpper(hasherWsParams.getUpper());
params.setUrl(hasherWsParams.getUrl());
params.setVerifier(hasherWsParams.getVerifier());
log.trace("params = {}", params);
HasherResult result = new HasherResult();
String requestId = DEFAULT_REQUEST_ID;
// Check whether the hashing operation needs to be done synchronously.
if (!isAsynchronous) {
// Yes: Perform the hash synchronously.
new SimpleHasher(null).hash(params, result);
} else {
try {
// No: Initialize the request time.
long requestTime = TimeBase.nowMs();
result.setRequestTime(requestTime);
// Obtain a request identifier.
synchronized (HASH_REQUESTS) {
requestId = SimpleHasher.getReqId(params, result, HASH_REQUESTS);
log.trace("requestId = {}", requestId);
}
// Perform the hash asynchronously.
new SimpleHasher(null).startHashingThread(params, result);
} catch (RuntimeException re) {
String errorMessage =
"Error starting asynchronous hash thread: " + re.toString();
log.warn(errorMessage);
log.warn(re);
return new ResponseEntity(errorMessage,
HttpStatus.INTERNAL_SERVER_ERROR);
}
}
log.trace("result = {}", result);
// Initialize the response.
MultiValueMap> parts = new LinkedMultiValueMap<>();
// Populate the response with the parts for this result.
populateResultParts(requestId, result, parts);
log.trace("parts.size() = {}", parts.size());
// Build and return the response.
return buildResponse(parts);
} catch (Exception e) {
String message = "Cannot putHash() for hasherWsParams = '"
+ hasherWsParams + "', isAsynchronous = " + isAsynchronous;
log.error(message, e);
return new ResponseEntity(message,
HttpStatus.INTERNAL_SERVER_ERROR);
}
}
/**
* Populates a map of parts with the results of a hashing operation.
*
* @param requestId A String with the identifier of the hashing operation.
* @param result A HasherResult with the results of the hashing operation.
* @param parts A {@code MultiValueMap>} where to
* add the hashing operation result parts.
* @throws IOException if there are problems getting the contents of any of
* the parts.
*/
private void populateResultParts(String requestId, HasherResult result,
MultiValueMap> parts) throws IOException {
log.debug2("requestId = {}", requestId);
log.debug2("result = {}", result);
log.debug2("parts = {}", parts);
addResultPropertiesPart(requestId, result, parts);
File recordFile = result.getRecordFile();
if (recordFile != null && recordFile.exists()
&& recordFile.length() > 0) {
addFilePart(requestId + "-" + RECORD_FILE_TYPE, recordFile, parts);
}
File blockFile = result.getBlockFile();
if (blockFile != null && blockFile.exists()
&& blockFile.length() > 0) {
addFilePart(requestId + "-" + BLOCK_FILE_TYPE, blockFile, parts);
}
log.debug2("Done");
}
/**
* Adds to the parts map a part with the properties of a hashing operation.
*
* @param partName A String with the name of the part to be added.
* @param result A HasherResult with the results of the hashing operation.
* @param parts A {@code MultiValueMap>} where to add
* the hashing operation result parts.
*/
private void addResultPropertiesPart(String partName, HasherResult result,
MultiValueMap> parts) {
log.debug2("partName = {}", partName);
log.debug2("result = {}", result);
log.debug2("parts = {}", parts);
Map resultProperties = new HashMap<>();
resultProperties.put("requestId", result.getRequestId());
resultProperties.put("startTime", result.getStartTime());
File recordFile = result.getRecordFile();
if (recordFile != null && recordFile.exists() && recordFile.length() > 0) {
resultProperties.put("recordFileName", recordFile.getName());
}
File blockFile = result.getBlockFile();
if (blockFile != null && blockFile.exists() && blockFile.length() > 0) {
resultProperties.put("blockFileName", blockFile.getName());
}
resultProperties.put("errorMessage", result.getRunnerError());
resultProperties.put("status", result.getRunnerStatus().toString());
if (result.getHashResult() != null) {
resultProperties.put("hashResult", result.getHashResult());
}
resultProperties.put("bytesHashed", result.getBytesHashed());
resultProperties.put("filesHashed", result.getFilesHashed());
resultProperties.put("elapsedTime", result.getElapsedTime());
// Add the part to the map.
parts.add(partName, new HttpEntity<>(resultProperties, new HttpHeaders()));
}
/**
* Adds to the parts map a part with a hashing operation result file.
*
* @param partName A String with the name of the part to be added.
* @param sourceFile A File with the result file used as the part contents
* source.
* @param parts A {@code MultiValueMap>} where to
* add the hashing operation result parts.
* @throws IOException if there are problems getting the contents of the file.
*/
void addFilePart(String partName, File sourceFile,
MultiValueMap> parts) throws IOException {
log.debug2("partName = {}", partName);
log.debug2("sourceFile = {}", sourceFile);
FileDataSource fileDS = new FileDataSource(sourceFile);
String name = fileDS.getName();
log.trace("name = {}", name);
long size = fileDS.getFile().length();
log.trace("size = {}", size);
// Save the version unique identifier header in the part of the response.
HttpHeaders partHeaders = new HttpHeaders();
// This must be set or else AbstractResource#contentLength will read the
// entire InputStream to determine the content length, which will exhaust
// the InputStream.
partHeaders.setContentLength(size);
log.trace("partHeaders = {}", () -> partHeaders);
Resource resource =
new NamedInputStreamResource(name, fileDS.getInputStream());
// Add the part to the map.
parts.add(partName, new HttpEntity<>(resource, partHeaders));
}
/**
* Build the response with a map of parts.
*
* @param parts A {@code MultiValueMap} with the parts to be
* included in the response.
* @return a {@code ResponseEntity>>} with
* the result of one or more hashing operations.
*/
private ResponseEntity>> buildResponse(
MultiValueMap> parts) {
log.debug2("parts = {}", parts);
// Specify the response content type.
HttpHeaders responseHeaders = new HttpHeaders();
responseHeaders.setContentType(MediaType.MULTIPART_FORM_DATA);
log.trace("responseHeaders = {}", () -> responseHeaders);
// Specify the success.
HttpStatus status = HttpStatus.OK;
log.trace("status = {}", () -> status);
return new ResponseEntity>>(parts,
responseHeaders, status);
}
/**
* Provides the selected properties of selected peers.
*
* @param peerQuery A String with the
* SQL-like
* query used to specify what properties to retrieve
* from which peers.
* @return a {@code ResponseEntity>} with the results.
*/
@Override
public ResponseEntity getPeers(String peerQuery) {
log.debug2("peerQuery = {}", peerQuery);
PeerHelper peerHelper = new PeerHelper();
List results = null;
try {
// Create the full query.
String fullQuery = JosqlUtil.createFullQuery(peerQuery,
PeerHelper.SOURCE_FQCN, PeerHelper.PROPERTY_NAMES,
PeerHelper.RESULT_FQCN);
log.trace("fullQuery = {}", fullQuery);
// Create a new JoSQL query.
Query q = new Query();
try {
// Parse the SQL-like query.
q.parse(fullQuery);
// Execute the query.
QueryResults qr = q.execute(peerHelper.createUniverse());
// Get the query results.
results = (List) qr.getResults();
log.trace("results.size() = {}" + results.size());
log.trace("results = {}", peerHelper.nonDefaultToString(results));
return new ResponseEntity>(results,
HttpStatus.OK);
} catch (QueryExecutionException qee) {
String message =
"Cannot getPeers() for peerQuery = '" + peerQuery + "'";
log.error(message, qee);
return new ResponseEntity(message,
HttpStatus.INTERNAL_SERVER_ERROR);
}
} catch (Exception e) {
String message = "Cannot getPeers() for peerQuery = '" + peerQuery + "'";
log.error(message, e);
return new ResponseEntity(message,
HttpStatus.INTERNAL_SERVER_ERROR);
}
}
/**
* Provides the selected properties of selected polls.
*
* @param pollQuery A String with the
* SQL-like
* query used to specify what properties to retrieve
* from which polls.
* @return a {@code ResponseEntity>} with the results.
*/
@Override
public ResponseEntity getPolls(String pollQuery) {
log.debug("pollQuery = {}", pollQuery);
PollHelper pollHelper = new PollHelper();
List results = null;
try {
// Create the full query.
String fullQuery = JosqlUtil.createFullQuery(pollQuery,
PollHelper.SOURCE_FQCN, PollHelper.PROPERTY_NAMES,
PollHelper.RESULT_FQCN);
log.trace("fullQuery = {}", fullQuery);
// Create a new JoSQL query.
Query q = new Query();
try {
// Parse the SQL-like query.
q.parse(fullQuery);
// Execute the query.
QueryResults qr = q.execute(pollHelper.createUniverse());
// Get the query results.
results = (List) qr.getResults();
log.trace("results.size() = {}" + results.size());
log.trace("results = {}", pollHelper.nonDefaultToString(results));
return new ResponseEntity>(results,
HttpStatus.OK);
} catch (QueryExecutionException qee) {
String message =
"Cannot getPolls() for pollQuery = '" + pollQuery + "'";
log.error(message, qee);
return new ResponseEntity(message,
HttpStatus.INTERNAL_SERVER_ERROR);
}
} catch (Exception e) {
String message = "Cannot getPolls() for pollQuery = '" + pollQuery + "'";
log.error(message, e);
return new ResponseEntity(message,
HttpStatus.INTERNAL_SERVER_ERROR);
}
}
/**
* GET /repositoryspaces?query={repositoryQuery}: Provides the selected
* properties of selected repository spaces in the system.
*
* @param repositorySpaceQuery A String with the
* SQL-like
* query used to specify what properties to
* retrieve from which repository space.
* @return a {@code List} with the results.
*/
@Override
public ResponseEntity getRepositorySpaces(String repositorySpaceQuery) {
log.debug2("repositorySpaceQuery = {}", repositorySpaceQuery);
RepositorySpaceHelper repositorySpaceHelper = new RepositorySpaceHelper();
List results = null;
try {
// Create the full query.
String fullQuery = JosqlUtil.createFullQuery(repositorySpaceQuery,
RepositorySpaceHelper.SOURCE_FQCN, RepositorySpaceHelper.PROPERTY_NAMES,
RepositorySpaceHelper.RESULT_FQCN);
log.trace("fullQuery = {}", fullQuery);
// Create a new JoSQL query.
Query q = new Query();
try {
// Parse the SQL-like query.
q.parse(fullQuery);
// Execute the query.
QueryResults qr = q.execute(repositorySpaceHelper.createUniverse());
// Get the query results.
results = (List) qr.getResults();
log.trace("results.size() = {}", results.size());
log.trace("results = {}",
repositorySpaceHelper.nonDefaultToString(results));
return new ResponseEntity<>(results, HttpStatus.OK);
} catch (QueryExecutionException qee) {
String message = "Cannot getRepositorySpaces() for "
+ "repositorySpaceQuery = '" + repositorySpaceQuery + "'";
log.error(message, qee);
return new ResponseEntity(message,
HttpStatus.INTERNAL_SERVER_ERROR);
}
} catch (Exception e) {
String message = "Cannot getRepositorySpaces() for "
+ "repositorySpaceQuery = '" + repositorySpaceQuery + "'";
log.error(message, e);
return new ResponseEntity(message,
HttpStatus.INTERNAL_SERVER_ERROR);
}
}
/**
* Provides the selected properties of selected votes.
*
* @param voteQuery A String with the
* SQL-like
* query used to specify what properties to retrieve
* from which votes.
* @return a {@code ResponseEntity>} with the results.
*/
@Override
public ResponseEntity getVotes(String voteQuery) {
log.debug2("voteQuery = {}", voteQuery);
VoteHelper voteHelper = new VoteHelper();
List results = null;
try {
// Create the full query.
String fullQuery = JosqlUtil.createFullQuery(voteQuery,
VoteHelper.SOURCE_FQCN, VoteHelper.PROPERTY_NAMES,
VoteHelper.RESULT_FQCN);
log.trace("fullQuery = {}", fullQuery);
// Create a new JoSQL query.
Query q = new Query();
try {
// Parse the SQL-like query.
q.parse(fullQuery);
// Execute the query.
QueryResults qr = q.execute(voteHelper.createUniverse());
// Get the query results.
results = (List) qr.getResults();
log.trace("results.size() = {}" + results.size());
log.trace("results = {}", voteHelper.nonDefaultToString(results));
return new ResponseEntity>(results,
HttpStatus.OK);
} catch (QueryExecutionException qee) {
String message =
"Cannot getVotes() for voteQuery = '" + voteQuery + "'";
log.error(message, qee);
return new ResponseEntity(message,
HttpStatus.INTERNAL_SERVER_ERROR);
}
} catch (Exception e) {
String message = "Cannot getVotes() for voteQuery = '" + voteQuery + "'";
log.error(message, e);
return new ResponseEntity(message,
HttpStatus.INTERNAL_SERVER_ERROR);
}
}
}
