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package eu.dnetlib.data.search.web.api;
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import com.google.common.collect.Iterables;
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import com.google.gson.JsonObject;
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import eu.dnetlib.api.data.SearchService;
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import eu.dnetlib.api.data.SearchServiceException;
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import eu.dnetlib.data.search.utils.cql.ParameterQueryEnhancer;
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import eu.dnetlib.data.search.utils.vocabulary.VocabularyManager;
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import eu.dnetlib.domain.data.FormattedSearchResult;
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import io.micrometer.core.annotation.Timed;
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import io.micrometer.prometheus.PrometheusMeterRegistry;
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import org.apache.commons.lang.IncompleteArgumentException;
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import org.apache.commons.lang.StringEscapeUtils;
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import org.apache.log4j.Logger;
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import org.json.JSONArray;
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import org.json.JSONObject;
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import org.json.XML;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.annotation.EnableAspectJAutoProxy;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.ModelMap;
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import org.springframework.web.bind.annotation.*;
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import javax.annotation.PostConstruct;
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import javax.annotation.Resource;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.PrintWriter;
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import java.text.SimpleDateFormat;
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import java.util.*;
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@Controller
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@EnableAspectJAutoProxy
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@Timed
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public class SearchRequestController {
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@Autowired
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private SearchService searchService = null;
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@Autowired
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private VocabularyManager vocabularyManager = null;
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@Resource
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private String maxResults = null;
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@Resource
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private String maxSize = null;
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@Autowired
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private PrometheusMeterRegistry registry;
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private static Logger logger = Logger.getLogger(SearchRequestController.class);
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private static final String XML_CONTENT_TYPE = "application/xml;charset=UTF-8";
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private static final String JSON_CONTENT_TYPE = "application/json;charset=UTF-8;";
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private static final String CSV_CONTENT_TYPE = "text/csv;charset=UTF-8;";
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private static final String TSV_CONTENT_TYPE = "text/tab-separated-values;charset=UTF-8;";
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private static final String HTML_CONTENT_TYPE = "text/html;charset=UTF-8;";
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private static final String RESULTS_BASIC_QUERY = "(oaftype exact result)";
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private static final String PUBLICATION_BASIC_QUERY = "(oaftype exact result) and (resulttypeid exact publication)";
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private static final String DATASET_BASIC_QUERY = "(oaftype exact result) and (resulttypeid exact dataset)";
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private static final String SOFTWARE_BASIC_QUERY = "(oaftype exact result) and (resulttypeid exact software)";
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private static final String OTHER_BASIC_QUERY = "(oaftype exact result) and (resulttypeid exact other)";
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private static final String PROJECT_BASIC_QUERY = "(oaftype exact project)";
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private static final HashSet<String> GLOBAL_PARAMETERS = new HashSet<>(Arrays.asList("page", "size", "format", "sortBy"));
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private static final HashSet<String> PUB_N_DATA_COMMON_PARAMETERS = new HashSet<>(Arrays.asList("author", "doi", "originalId",
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"community", "FP7ProjectID", "FP7scientificArea", "fromDateAccepted", "funder", "fundingStream", "hasECFunding", "hasProject",
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"hasWTFunding", "keywords", "model", "OA", "openaireProjectID", "openaireProviderID", "projectID", "title", "instancetype", "toDateAccepted",
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"country", "orcid", "version"));
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private static final HashSet<String> RESULTS_PARAMETERS = new HashSet<>(Arrays.asList("resultID"));
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private static final HashSet<String> PUB_PARAMETERS = new HashSet<>(Arrays.asList("openairePublicationID", "sdg", "fos"));
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private static final HashSet<String> DATA_PARAMETERS = new HashSet<>(Arrays.asList("openaireDatasetID"));
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private static final HashSet<String> SOFTWARE_PARAMETERS = new HashSet<>(Arrays.asList("openaireSoftwareID"));
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private static final HashSet<String> OTHER_PARAMETERS = new HashSet<>(Arrays.asList("openaireOtherID"));
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private static final HashSet<String> PUB_N_DATASET_MODELS = new HashSet<>(Arrays.asList("dc", "openaire", "sygma"));
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private static final HashSet<String> PUB_N_DATASET_FORMATS = new HashSet<>(Arrays.asList("json", "rss", "xml", "csv", "tsv", "html"));
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private static final HashSet<String> PROJECT_PARAMETERS = new HashSet<>(Arrays.asList("acronym", "callID", "endYear", "FP7scientificArea",
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"funder", "fundingStream", "grantID", "hasECFunding", "hasWTFunding", "keywords", "name",
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"participantAcronyms", "participantCountries", "startYear", "sc39", "openaireParticipantID", "openaireProjectID"));
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private static final HashSet<String> PROJECT_FORMATS = new HashSet<>(Arrays.asList("xml", "json", "csv", "tsv", "html"));
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@PostConstruct
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public void init() {
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RESULTS_PARAMETERS.addAll(PUB_N_DATA_COMMON_PARAMETERS);
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PUB_PARAMETERS.addAll(PUB_N_DATA_COMMON_PARAMETERS);
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DATA_PARAMETERS.addAll(PUB_N_DATA_COMMON_PARAMETERS);
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SOFTWARE_PARAMETERS.addAll(PUB_N_DATA_COMMON_PARAMETERS);
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OTHER_PARAMETERS.addAll(PUB_N_DATA_COMMON_PARAMETERS);
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}
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//TODO this is for joomla - to be removed soon
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@RequestMapping(value = "/search", method = RequestMethod.GET)
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@Timed(value = "search.joomla.requests", longTask = false)
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public void search(HttpServletRequest request, HttpServletResponse response) {
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PrintWriter writer = null;
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FormattedSearchResult formattedSearchResult = null;
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String action = readActionParameter(request);
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String query = readQueryParameter(request);
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String format = (request.getParameter("format") != null) ? request.getParameter("format") : "xml";
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createResponseMeta(response, format);
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String locale = request.getParameter("locale");
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int page = 0;
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int size = 0;
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//TODO check paging
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if (!action.equals("refine")) {
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page = readParameter(request, "page", 1);
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size = readParameter(request, "size", 10);
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}
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if (size > Integer.parseInt(maxSize)) {
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throw new IllegalArgumentException("Size argument have exceeded the maximum allowed number.");
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}
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String sTransformer = request.getParameter("sTransformer");
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String rTransformer = request.getParameter("rTransformer");
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Collection<String> fields = readParameter(request, "fields");
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checkTransformerParameters(action, sTransformer, rTransformer, fields);
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try {
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createResponseMeta(response, format);
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writer = response.getWriter();
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formattedSearchResult = searchService.searchNrefine(query,
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sTransformer, rTransformer, format, locale, page, size,
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fields);
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writer.append(formattedSearchResult.getFormattedResult());
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} catch (Exception e) {
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logger.error("Fail to execute search.", e);
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createXmlErrorPage(writer, e);
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} finally {
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if (writer != null) {
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writer.close();
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}
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}
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}
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private void checkTransformerParameters(String action, String sTransformer, String rTransformer, Collection<String> fields) {
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if (action.equals("search")) {
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if (sTransformer == null) {
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throw new IncompleteArgumentException("Undefined search transformer. Search request");
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}
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} else if (action.equals("refine")) {
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if (rTransformer == null) {
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throw new IncompleteArgumentException(
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"Undefined refine transformer. Refine request");
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}
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if (fields == null) {
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throw new IncompleteArgumentException(
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"Undefined refine fields. Refine request");
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}
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} else if (action.equals("searchNrefine")) {
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if (sTransformer == null) {
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throw new IncompleteArgumentException(
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"Undefined search transformer. Search and Refine request");
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}
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if (rTransformer == null) {
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throw new IncompleteArgumentException(
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"Undefined refine transformer. Search and Refine request");
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}
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if (fields == null) {
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throw new IncompleteArgumentException(
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"Undefined refine fields. Search and Refine request");
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}
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} else {
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throw new UnsupportedOperationException("The action " + action
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+ " is not supported. Please try one of {search, refine, searchNrefine}.");
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}
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}
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private String readQueryParameter(HttpServletRequest request) {
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String query = request.getParameter("query");
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if (query == null) {
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throw new IncompleteArgumentException("Undefined query. Search request");
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}
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return query;
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}
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private String readActionParameter(HttpServletRequest request) {
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String action = request.getParameter("action");
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if (action == null) {
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throw new UnsupportedOperationException("Undefined action.");
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}
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return action;
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}
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@RequestMapping(value="/search/openSearchDescriptor", method = RequestMethod.GET)
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public String printOpenSearchDescriptor(ModelMap model) {
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return "openSearchDescriptor";
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}
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@RequestMapping(value = "/api/researchProducts", method = RequestMethod.GET, produces = {MediaType.APPLICATION_XML_VALUE,MediaType.APPLICATION_JSON_VALUE})
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@Timed(value = "http.server.request.duration", extraTags = {"referer", "api", "uri", "/api/results"}, longTask = false)
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public void searchResults(HttpServletRequest request, HttpServletResponse response) throws Exception {
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long time = System.currentTimeMillis();
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int page = readParameter(request, "page", 1);
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int size = readParameter(request, "size", 10);
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String format = (request.getParameter("format") != null) ? request.getParameter("format") : "xml";
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String model = request.getParameter("model");
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String version = request.getParameter("version");
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checkParameters(RESULTS_PARAMETERS,request.getParameterMap());
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checkRequestSize(page, size);
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checkFormatParameter(PUB_N_DATASET_FORMATS, format);
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createResponseMeta(response, format);
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checkModelParameter(PUB_N_DATASET_MODELS, model);
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String locale = request.getParameter("locale");
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String sTransformer = defineTransformer(model,format, true, version);
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Collection<String> referrers = readParameter(request,"referrer");
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String newFormat = defineFormatter(model, format, true, referrers, version);
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StringBuilder queryBuilder = new StringBuilder();
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queryBuilder.append(RESULTS_BASIC_QUERY);
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enhanceResearchOutcomesQuery(request, model, version, queryBuilder);
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FormattedSearchResult formattedSearchResult = null;
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try {
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formattedSearchResult = searchService.search(queryBuilder.toString(),sTransformer, (newFormat!=null)?newFormat:format, locale, page, size);
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} catch (Exception e) {
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logger.error("Fail to execute search.", e);
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throw new Exception("Fail to execute search", e);
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}
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PrintWriter writer = response.getWriter();
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writer.append(formattedSearchResult.getFormattedResult());
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writer.close();
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}
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@RequestMapping(value = "/api/publications", method = RequestMethod.GET, produces = {MediaType.APPLICATION_XML_VALUE,MediaType.APPLICATION_JSON_VALUE})
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@Timed(value = "http.server.request.duration", extraTags = {"referer", "api", "uri", "/api/publications"}, longTask = false)
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public void searchPublications(HttpServletRequest request, HttpServletResponse response) throws Exception {
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long time = System.currentTimeMillis();
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int page = readParameter(request, "page", 1);
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int size = readParameter(request, "size", 10);
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String format = (request.getParameter("format") != null) ? request.getParameter("format") : "xml";
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String model = request.getParameter("model");
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String version = request.getParameter("version");
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checkParameters(PUB_PARAMETERS,request.getParameterMap());
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checkRequestSize(page, size);
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checkFormatParameter(PUB_N_DATASET_FORMATS, format);
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createResponseMeta(response, format);
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checkModelParameter(PUB_N_DATASET_MODELS, model);
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String locale = request.getParameter("locale");
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String sTransformer = defineTransformer(model,format, true, version);
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Collection<String> referrers = readParameter(request,"referrer");
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String newFormat = defineFormatter(model, format, true, referrers, version);
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StringBuilder queryBuilder = new StringBuilder();
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queryBuilder.append(PUBLICATION_BASIC_QUERY);
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enhanceResearchOutcomesQuery(request, model, version, queryBuilder);
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FormattedSearchResult formattedSearchResult = null;
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try {
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formattedSearchResult = searchService.search(queryBuilder.toString(),sTransformer, (newFormat!=null)?newFormat:format, locale, page, size);
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} catch (Exception e) {
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logger.error("Fail to execute search.", e);
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throw new Exception("Fail to execute search", e);
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}
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PrintWriter writer = response.getWriter();
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if (format.equals("json") && model!=null && model.equals("sygma")) {
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//TODO check this
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response.setHeader("Content-Type",JSON_CONTENT_TYPE);
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writer.append(XML.toJSONObject(formattedSearchResult.getFormattedResult()).toString());
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} else {
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writer.append(formattedSearchResult.getFormattedResult());
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}
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writer.close();
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time = System.currentTimeMillis() - time;
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logger.debug("Answer old time " + time);
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}
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private void enhanceResearchOutcomesQuery(HttpServletRequest request, String model, String version, StringBuilder queryBuilder) {
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ParameterQueryEnhancer.enhanceQueryWithFundingLevelParams(queryBuilder, request, vocabularyManager, isModelSygma(model), version);
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ParameterQueryEnhancer.enhanceQueryWithOpenAIREIds(queryBuilder, request);
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ParameterQueryEnhancer.enhanceQueryWithMetadataKeywords(queryBuilder, request);
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ParameterQueryEnhancer.enhanceQueryWithInstancetype(queryBuilder, request);
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ParameterQueryEnhancer.enhanceQueryWithFundingParams(queryBuilder, request);
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ParameterQueryEnhancer.enhanceQueryWithCommunityParams(queryBuilder, request);
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ParameterQueryEnhancer.enhanceQueryWithRelProjectParams(queryBuilder, request);
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ParameterQueryEnhancer.enhanceQueryWithAccessRights(queryBuilder, request);
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ParameterQueryEnhancer.enhanceQueryWithDate(queryBuilder, request);
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ParameterQueryEnhancer.enhanceQueryWithDoi(queryBuilder, request);
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ParameterQueryEnhancer.enhanceQueryWithOrcid(queryBuilder, request);
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ParameterQueryEnhancer.enhanceQueryWithOriginalId(queryBuilder, request);
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ParameterQueryEnhancer.enhanceQueryWithClassifications(queryBuilder, request, vocabularyManager);
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ParameterQueryEnhancer.enhanceQueryWithInstanceType(queryBuilder, isModelSygma(model), version);
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ParameterQueryEnhancer.enhanceQueryWithResultsSortParameters(queryBuilder, request);
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}
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328
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@RequestMapping(value = "/api/datasets", method = RequestMethod.GET, produces = {MediaType.APPLICATION_XML_VALUE,MediaType.APPLICATION_JSON_VALUE})
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@Timed(value = "http.server.request.duration", extraTags = {"referer", "api", "uri", "/api/datasets"}, longTask = false)
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public void searchData(HttpServletRequest request, HttpServletResponse response) throws Exception {
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checkParameters(DATA_PARAMETERS,request.getParameterMap());
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int page = readParameter(request, "page", 1);
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int size = readParameter(request, "size", 10);
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checkRequestSize(page, size);
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String version = request.getParameter("version");
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340
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String format = (request.getParameter("format") != null) ? request.getParameter("format") : "xml";
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createResponseMeta(response, format);
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343
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checkFormatParameter(PUB_N_DATASET_FORMATS, format);
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345
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String model = request.getParameter("model");
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checkModelParameter(PUB_N_DATASET_MODELS, model);
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String sTransformer = defineTransformer(model, format, false, version);
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349
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Collection<String> referrers = readParameter(request,"referrer");
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String newFormat = defineFormatter(model, format, false, referrers, version);
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String locale = request.getParameter("locale");
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StringBuilder queryBuilder = new StringBuilder();
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queryBuilder.append(DATASET_BASIC_QUERY);
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enhanceResearchOutcomesQuery(request, model, version, queryBuilder);
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FormattedSearchResult formattedSearchResult = null;
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try {
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formattedSearchResult = searchService.search(queryBuilder.toString(),sTransformer, (newFormat!=null)?newFormat:format, locale, page, size);
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362
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363
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} catch (Exception e) {
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logger.error("Fail to execute search.", e);
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throw new Exception("Fail to execute search.", e);
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}
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367
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368
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if (formattedSearchResult == null) {
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throw new Exception("Fail to execute search.");
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}
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371
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372
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PrintWriter writer = response.getWriter();
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if (format.equals("json") && model!=null && model.equals("sygma")) {
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//TODO check this
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response.setHeader("Content-Type",JSON_CONTENT_TYPE);
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writer.append(XML.toJSONObject(formattedSearchResult.getFormattedResult()).toString());
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377
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} else {
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writer.append(formattedSearchResult.getFormattedResult());
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}
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writer.close();
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382
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}
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384
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385
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@RequestMapping(value = "/api/software", method = RequestMethod.GET, produces = {MediaType.APPLICATION_XML_VALUE,MediaType.APPLICATION_JSON_VALUE})
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386
|
@Timed(value = "http.server.request.duration", extraTags = {"referer", "api", "uri", "/api/software"}, longTask = false)
|
387
|
public void searchSoftware(HttpServletRequest request, HttpServletResponse response) throws Exception {
|
388
|
|
389
|
checkParameters(SOFTWARE_PARAMETERS,request.getParameterMap());
|
390
|
|
391
|
int page = readParameter(request, "page", 1);
|
392
|
int size = readParameter(request, "size", 10);
|
393
|
checkRequestSize(page, size);
|
394
|
|
395
|
String version = request.getParameter("version");
|
396
|
|
397
|
|
398
|
String format = (request.getParameter("format") != null) ? request.getParameter("format") : "xml";
|
399
|
createResponseMeta(response, format);
|
400
|
|
401
|
checkFormatParameter(PUB_N_DATASET_FORMATS, format);
|
402
|
|
403
|
String model = request.getParameter("model");
|
404
|
checkModelParameter(PUB_N_DATASET_MODELS, model);
|
405
|
String sTransformer = defineTransformer(model,format, false, version);
|
406
|
|
407
|
Collection<String> referrers = readParameter(request,"referrer");
|
408
|
String newFormat = defineFormatter(model, format, false, referrers, version);
|
409
|
|
410
|
String locale = request.getParameter("locale");
|
411
|
|
412
|
StringBuilder queryBuilder = new StringBuilder();
|
413
|
queryBuilder.append(SOFTWARE_BASIC_QUERY);
|
414
|
|
415
|
enhanceResearchOutcomesQuery(request, model, version, queryBuilder);
|
416
|
|
417
|
FormattedSearchResult formattedSearchResult = null;
|
418
|
|
419
|
try {
|
420
|
formattedSearchResult = searchService.search(queryBuilder.toString(),sTransformer, (newFormat!=null)?newFormat:format, locale, page, size);
|
421
|
|
422
|
} catch (Exception e) {
|
423
|
logger.error("Fail to execute search.", e);
|
424
|
throw new Exception("Fail to execute search", e);
|
425
|
}
|
426
|
|
427
|
PrintWriter writer = response.getWriter();
|
428
|
writer.append(formattedSearchResult.getFormattedResult());
|
429
|
|
430
|
}
|
431
|
|
432
|
@RequestMapping(value = "/api/other", method = RequestMethod.GET, produces = {MediaType.APPLICATION_XML_VALUE,MediaType.APPLICATION_JSON_VALUE})
|
433
|
@Timed(value = "http.server.request.duration", extraTags = {"referer", "api", "uri", "/api/other"}, longTask = false)
|
434
|
public void searchOther(HttpServletRequest request, HttpServletResponse response) throws Exception {
|
435
|
|
436
|
checkParameters(OTHER_PARAMETERS,request.getParameterMap());
|
437
|
|
438
|
int page = readParameter(request, "page", 1);
|
439
|
int size = readParameter(request, "size", 10);
|
440
|
checkRequestSize(page, size);
|
441
|
|
442
|
String version = request.getParameter("version");
|
443
|
|
444
|
String format = (request.getParameter("format") != null) ? request.getParameter("format") : "xml";
|
445
|
createResponseMeta(response, format);
|
446
|
|
447
|
checkFormatParameter(PUB_N_DATASET_FORMATS, format);
|
448
|
|
449
|
String model = request.getParameter("model");
|
450
|
checkModelParameter(PUB_N_DATASET_MODELS, model);
|
451
|
String sTransformer = defineTransformer(model,format, false, version);
|
452
|
|
453
|
Collection<String> referrers = readParameter(request,"referrer");
|
454
|
String newFormat = defineFormatter(model, format, false, referrers, version);
|
455
|
|
456
|
String locale = request.getParameter("locale");
|
457
|
|
458
|
StringBuilder queryBuilder = new StringBuilder();
|
459
|
queryBuilder.append(OTHER_BASIC_QUERY);
|
460
|
|
461
|
enhanceResearchOutcomesQuery(request, model, version, queryBuilder);
|
462
|
|
463
|
FormattedSearchResult formattedSearchResult = null;
|
464
|
|
465
|
//long start = System.currentTimeMillis();
|
466
|
try {
|
467
|
//Timer.Sample sample = Timer.start(metrics.getRegistry());
|
468
|
formattedSearchResult = searchService.search(queryBuilder.toString(),sTransformer, (newFormat!=null)?newFormat:format, locale, page, size);
|
469
|
|
470
|
} catch (Exception e) {
|
471
|
logger.error("Fail to execute search.", e);
|
472
|
throw new Exception("Fail to execute search", e);
|
473
|
}
|
474
|
|
475
|
PrintWriter writer = response.getWriter();
|
476
|
writer.append(formattedSearchResult.getFormattedResult());
|
477
|
}
|
478
|
|
479
|
@RequestMapping(value = "/api/projects", method = RequestMethod.GET, produces = {MediaType.APPLICATION_XML_VALUE,MediaType.APPLICATION_JSON_VALUE})
|
480
|
@Timed(value = "http.server.request.duration", extraTags = {"referer", "api", "uri", "/api/projects"}, longTask = false)
|
481
|
public void searchProjects(HttpServletRequest request, HttpServletResponse response) throws Exception {
|
482
|
|
483
|
checkParameters(PROJECT_PARAMETERS, request.getParameterMap());
|
484
|
|
485
|
int page = readParameter(request, "page", 1);
|
486
|
int size = readParameter(request, "size", 10);
|
487
|
checkRequestSize(page, size);
|
488
|
|
489
|
StringBuilder queryBuilder = new StringBuilder();
|
490
|
queryBuilder.append(PROJECT_BASIC_QUERY);
|
491
|
String locale = request.getParameter("locale");
|
492
|
|
493
|
String format = (request.getParameter("format") != null) ? request.getParameter("format") : "xml";
|
494
|
checkFormatParameter(PROJECT_FORMATS, format);
|
495
|
createResponseMeta(response, format);
|
496
|
|
497
|
format = finalFormat(format);
|
498
|
|
499
|
String sTransformer = request.getParameter("sTransformer");
|
500
|
|
501
|
ParameterQueryEnhancer.enhanceProjectQueryWithOpenAIREIds(queryBuilder, request);
|
502
|
ParameterQueryEnhancer.enhanceQueryWithProjectMetadataKeywords(queryBuilder, request);
|
503
|
ParameterQueryEnhancer.enhanceQueryWithProjectFundingParams(queryBuilder, request);
|
504
|
ParameterQueryEnhancer.enhanceProjectQueryWithFundingLevelParams(queryBuilder, request, vocabularyManager);
|
505
|
ParameterQueryEnhancer.enhanceQueryWithParticipantsInfoParams(queryBuilder, request);
|
506
|
ParameterQueryEnhancer.enhanceQueryWithYearParams(queryBuilder, request);
|
507
|
ParameterQueryEnhancer.enhanceQueryWithSC39Params(queryBuilder, request);
|
508
|
|
509
|
ParameterQueryEnhancer.enhanceQueryWithProjectSortParameters(queryBuilder, request);
|
510
|
|
511
|
FormattedSearchResult formattedSearchResult = null;
|
512
|
try {
|
513
|
formattedSearchResult = searchService.search(queryBuilder.toString(),sTransformer, format, locale, page, size);
|
514
|
|
515
|
} catch (SearchServiceException e) {
|
516
|
throw new Exception("Fail to execute search", e);
|
517
|
}
|
518
|
|
519
|
PrintWriter writer = response.getWriter();
|
520
|
writer.append(formattedSearchResult.getFormattedResult());
|
521
|
writer.close();
|
522
|
}
|
523
|
|
524
|
|
525
|
@ExceptionHandler(IllegalArgumentException.class)
|
526
|
public @ResponseBody ResponseEntity<Error> invalidInput(HttpServletRequest request, HttpServletResponse httpServletResponse, Exception ex) {
|
527
|
Error response = new Error();
|
528
|
response.setStatus("error");
|
529
|
response.setCode("400");
|
530
|
response.setMessage("400 - Illegal argument exception.");
|
531
|
response.setException(ex.getMessage());
|
532
|
|
533
|
String format = (request.getParameter("format") == null)? "xml": request.getParameter("format").toLowerCase();
|
534
|
|
535
|
registry.counter("http.status.400", "400", "uri").increment();
|
536
|
|
537
|
return new ResponseEntity<Error>(response, HttpStatus.BAD_REQUEST);
|
538
|
}
|
539
|
|
540
|
private String finalFormat(String format) {
|
541
|
if (format.equals("tsv")){
|
542
|
return "project_tsv";
|
543
|
|
544
|
} else if (format.equals("csv")) {
|
545
|
return "project_csv";
|
546
|
|
547
|
} else if (format.equals("html")) {
|
548
|
return "project_html";
|
549
|
}
|
550
|
|
551
|
return format;
|
552
|
}
|
553
|
|
554
|
private String finalFormat(String format, String referrer) {
|
555
|
if (referrer == null || referrer.isEmpty() || !referrer.equals("joomla")) {
|
556
|
return finalFormat(format);
|
557
|
}
|
558
|
|
559
|
if (format.equals("tsv")){
|
560
|
return "publication_tsv_notitle";
|
561
|
|
562
|
} else if (format.equals("csv")) {
|
563
|
return "publication_csv_notitle";
|
564
|
|
565
|
}
|
566
|
|
567
|
return format;
|
568
|
}
|
569
|
|
570
|
/** TODO: check if needed
|
571
|
* Based on the given model the transformer to be used is defined
|
572
|
* @param model
|
573
|
* @return
|
574
|
|
575
|
private String defineTransformer(String model) {
|
576
|
if (model!=null && !model.trim().isEmpty()) {
|
577
|
if (model.equals("openaire")) {
|
578
|
return null;
|
579
|
|
580
|
} else if (model.equals("sygma")) {
|
581
|
return "results_openaire";
|
582
|
}
|
583
|
else if (model.equals("dc")) {
|
584
|
return "dc";
|
585
|
}
|
586
|
|
587
|
throw new IllegalArgumentException("model '" + model + "' is not supported.");
|
588
|
|
589
|
} else {
|
590
|
return null;
|
591
|
}
|
592
|
}*/
|
593
|
|
594
|
//TODO: check if needed
|
595
|
private String defineTransformer(String model, String format, boolean isPublications, String version) {
|
596
|
if (model != null && !model.trim().isEmpty() && format != null && (format.equals("json")||format.equals("xml"))) {
|
597
|
if (model.equals("openaire")) {
|
598
|
return null;
|
599
|
|
600
|
} else if (model.equals("sygma")) {
|
601
|
System.out.println("SYGMA MODEL");
|
602
|
if (version != null && version.equals("2")) {
|
603
|
if (isPublications)
|
604
|
return "sygma2_publication";
|
605
|
return "sygma_dataset2";
|
606
|
}
|
607
|
return "results_openaire";
|
608
|
}
|
609
|
else if (model.equals("dc")) {
|
610
|
return "dc";
|
611
|
}
|
612
|
|
613
|
throw new IllegalArgumentException("model '" + model + "' is not supported.");
|
614
|
|
615
|
} else if (format != null && !format.trim().isEmpty()) {
|
616
|
if (format.equals("rss") || format.equals("csv") || format.equals("tsv") || format.equals("html")) {
|
617
|
return "results_openaire";
|
618
|
}
|
619
|
}
|
620
|
return null;
|
621
|
|
622
|
}
|
623
|
|
624
|
private String defineFormatter(String model, String format, boolean isPublications, Collection<String> referrers, String version) {
|
625
|
if( model != null && !model.trim().isEmpty() ) {
|
626
|
if (model.equals("sygma")) {
|
627
|
|
628
|
if (isPublications) {
|
629
|
if (version!= null && version.equals("2")) {
|
630
|
System.out.println("VERSION 2");
|
631
|
return "sygma2_publication_formatter";
|
632
|
}
|
633
|
System.out.println("NOT VERSION 2");
|
634
|
return "sygma_publication";
|
635
|
} else {
|
636
|
System.out.println("NOT PUBLICATION");
|
637
|
if (version!= null && version.equals("2")) {
|
638
|
return "sygma_dataset2_formatter";
|
639
|
}
|
640
|
return "sygma_dataset";
|
641
|
}
|
642
|
}
|
643
|
|
644
|
} else {
|
645
|
if (referrers != null && !referrers.isEmpty() && Iterables.get(referrers, 0) != null && !Iterables.get(referrers, 0).isEmpty()) {
|
646
|
return finalFormat(format, Iterables.get(referrers, 0));
|
647
|
} else {
|
648
|
format = finalFormat(format);
|
649
|
}
|
650
|
}
|
651
|
|
652
|
return null;
|
653
|
}
|
654
|
|
655
|
@Deprecated
|
656
|
private void createXmlErrorPage(PrintWriter writer, Exception e) {
|
657
|
writer.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
|
658
|
writer.append("<error>");
|
659
|
writer.append("<exception>")
|
660
|
.append(StringEscapeUtils.escapeXml(e.getClass().getName()))
|
661
|
.append("</exception>");
|
662
|
if (e.getMessage() != null) {
|
663
|
writer.append("<message>")
|
664
|
.append(StringEscapeUtils.escapeXml(e.getMessage()))
|
665
|
.append("</message>");
|
666
|
}
|
667
|
if (e.getCause() != null) {
|
668
|
writer.append("<cause>")
|
669
|
.append(StringEscapeUtils.escapeXml(e.getCause()
|
670
|
.toString())).append("</cause>");
|
671
|
}
|
672
|
|
673
|
StackTraceElement[] trace = e.getStackTrace();
|
674
|
writer.append("<trace>");
|
675
|
for (int i = 0; i < trace.length; i++) {
|
676
|
writer.append(StringEscapeUtils.escapeXml(trace[i].toString()))
|
677
|
.append("\n");
|
678
|
}
|
679
|
writer.append("</trace>");
|
680
|
|
681
|
writer.append("</error>");
|
682
|
}
|
683
|
|
684
|
// Reading parameters from url and adding default values
|
685
|
public int readParameter(HttpServletRequest request, String parameterName, int defaultValue) {
|
686
|
String param = request.getParameter(parameterName);
|
687
|
return (param != null && !param.isEmpty()) ? Integer.parseInt(param) : defaultValue;
|
688
|
}
|
689
|
|
690
|
private Collection<String> readParameter(HttpServletRequest request, String parameterName) {
|
691
|
Collection<String> fields = null;
|
692
|
String[] paramfields = request.getParameterValues(parameterName);
|
693
|
if (paramfields != null) {
|
694
|
fields = new ArrayList<String>();
|
695
|
for (int i = 0; i < paramfields.length; i++) {
|
696
|
fields.add(paramfields[i]);
|
697
|
}
|
698
|
}
|
699
|
return fields;
|
700
|
}
|
701
|
|
702
|
/**
|
703
|
* Checks if the requested result size exceeds the maximum allowed numbers of returned results
|
704
|
* @param page the page parameter
|
705
|
* @param size the size parameter
|
706
|
*/
|
707
|
private void checkRequestSize(int page, int size) {
|
708
|
int total = page*size;
|
709
|
if (total > Integer.parseInt(maxResults)) {
|
710
|
throw new IllegalArgumentException("Size and page arguments have exceeded the maximum number of returned results.");
|
711
|
}
|
712
|
}
|
713
|
|
714
|
private String defineContentType(String format) {
|
715
|
if (format != null) {
|
716
|
if (format.equalsIgnoreCase("xml")) {
|
717
|
return XML_CONTENT_TYPE;
|
718
|
} else if (format.equalsIgnoreCase("json")) {
|
719
|
return JSON_CONTENT_TYPE;
|
720
|
|
721
|
} else if (format.equalsIgnoreCase("csv")) {
|
722
|
return CSV_CONTENT_TYPE;
|
723
|
|
724
|
} else if (format.equalsIgnoreCase("tsv")) {
|
725
|
return TSV_CONTENT_TYPE;
|
726
|
|
727
|
} else if (format.equalsIgnoreCase("html")){
|
728
|
return HTML_CONTENT_TYPE;
|
729
|
}
|
730
|
}
|
731
|
|
732
|
return XML_CONTENT_TYPE;
|
733
|
}
|
734
|
/**
|
735
|
* Checks if the parameters given are allowed. The given parameters are checked against the allowed parameter
|
736
|
* and the GLOBAL_PARAMETERS.
|
737
|
* @param allowedParameters the allowed parameters
|
738
|
* @param currentParameters the given parameters
|
739
|
*/
|
740
|
private void checkParameters(HashSet<String> allowedParameters, Map<String, String[]> currentParameters){
|
741
|
if(currentParameters != null) {
|
742
|
for (String parameter : currentParameters.keySet()) {
|
743
|
if (!allowedParameters.contains(parameter) && !GLOBAL_PARAMETERS.contains(parameter) && !parameter.equals("referrer")) {
|
744
|
throw new IllegalArgumentException("Parameter " + parameter + " is not supported. The supported parameters are: " +
|
745
|
allowedParameters.toString().replace("[","").replace("]", ", ") + GLOBAL_PARAMETERS.toString().substring(1,GLOBAL_PARAMETERS.toString().length()-1));
|
746
|
}
|
747
|
}
|
748
|
}
|
749
|
}
|
750
|
|
751
|
private void checkFormatParameter(HashSet<String> allowedFormats, String requestedFormat) {
|
752
|
if (requestedFormat!= null && !allowedFormats.contains(requestedFormat)) {
|
753
|
throw new IllegalArgumentException("The requested format \'"+ requestedFormat +"\' is not supported. The supported formats are: " + allowedFormats);
|
754
|
}
|
755
|
}
|
756
|
|
757
|
private static void checkModelParameter(HashSet<String> allowedModels, String requestedModel) {
|
758
|
if (requestedModel!= null && !allowedModels.contains(requestedModel)) {
|
759
|
throw new IllegalArgumentException("The requested model \'"+ allowedModels +"\' is not supported. The supported formats are: " + allowedModels);
|
760
|
}
|
761
|
}
|
762
|
|
763
|
private static boolean isModelSygma(String model) {
|
764
|
if (model == null || model.isEmpty()) { return false; }
|
765
|
|
766
|
if (!model.isEmpty() && !model.equals("sygma")) {
|
767
|
return false;
|
768
|
}
|
769
|
|
770
|
return true;
|
771
|
}
|
772
|
|
773
|
private void createResponseMeta( HttpServletResponse response, String format) {
|
774
|
response.setContentType(defineContentType(format));
|
775
|
response.setCharacterEncoding("UTF-8");
|
776
|
|
777
|
if (!format.equals("xml") || !format.equals("json")) {
|
778
|
|
779
|
SimpleDateFormat sdf = new SimpleDateFormat("ddMMyyyy");
|
780
|
String date = sdf.format(new Date());
|
781
|
|
782
|
if (format.equals("csv")) {
|
783
|
response.setHeader("Content-Disposition", "filename="+date+".csv");
|
784
|
|
785
|
} else if (format.equals("csv")) {
|
786
|
response.setHeader("Content-Disposition", "filename="+date+".tsv");
|
787
|
|
788
|
} else if (format.equals("html")) {
|
789
|
response.setHeader("Content-Disposition", "filename="+date+".html");
|
790
|
}
|
791
|
}
|
792
|
}
|
793
|
|
794
|
|
795
|
/* TODO: enable if we decide to use ACCEPT Header as a priority to format parameter
|
796
|
private String getFormat(HttpServletRequest request) {
|
797
|
if (request.getParameter("format") == null && request.getHeader("Accept")!=null) {
|
798
|
if (request.getHeader("Accept").equals(MediaType.APPLICATION_XML_VALUE) ||
|
799
|
request.getHeader("Accept").contains(MediaType.APPLICATION_XML_VALUE)){
|
800
|
return "xml";
|
801
|
}
|
802
|
|
803
|
if (request.getHeader("Accept").equals(MediaType.APPLICATION_JSON_VALUE)){
|
804
|
return "json";
|
805
|
}
|
806
|
}
|
807
|
|
808
|
if (request.getParameter("format") == null && (request.getHeader("Accept")== null ||
|
809
|
request.getHeader("Accept").equals(MediaType.ALL_VALUE))) {
|
810
|
return "xml";
|
811
|
}
|
812
|
|
813
|
return request.getParameter("format");
|
814
|
} */
|
815
|
|
816
|
/*public static void main() throws IOException, SolrServerException {
|
817
|
|
818
|
long time = System.currentTimeMillis();
|
819
|
|
820
|
CloudSolrClient solrClient = new CloudSolrClient.Builder().
|
821
|
withZkHost(Arrays.asList(new String[]{"quorum0.t.hadoop.research-infrastructures.eu:2182",
|
822
|
"quorum1.t.hadoop.research-infrastructures.eu:2182",
|
823
|
"quorum2.t.hadoop.research-infrastructures.eu:2182",
|
824
|
"quorum3.t.hadoop.research-infrastructures.eu:2182",
|
825
|
"quorum4.t.hadoop.research-infrastructures.eu:2182/solr-dev-openaire"})).build();
|
826
|
solrClient.setDefaultCollection("DMF-index-openaire");
|
827
|
|
828
|
// response.setContentType("text/html");
|
829
|
// ServletOutputStream out=response.getOutputStream();
|
830
|
|
831
|
NamedList<String> queryOpts = new NamedList<String>();
|
832
|
|
833
|
//q=*:*&start=0&rows=10&cursorMark=*&sort=dateofcollection asc
|
834
|
try {
|
835
|
queryOpts.add("q", new CqlTranslatorImpl().getTranslatedQuery("(oaftype exact result) and (resulttypeid exact publication) and (relfundershortname exact \"nhmrc_______::NHMRC||National Health and Medical Research Council (NHMRC)||NHMRC\")").asLucene());
|
836
|
|
837
|
} catch (CQLParseException e) {
|
838
|
logger.error(e);
|
839
|
}
|
840
|
queryOpts.add("start", "0");
|
841
|
queryOpts.add("rows", "500");
|
842
|
queryOpts.add("fl", "__result");
|
843
|
queryOpts.add("shards.tolerant","true");
|
844
|
queryOpts.add("cursorMark", "*");
|
845
|
queryOpts.add("sort", "__indexrecordidentifier asc");
|
846
|
|
847
|
|
848
|
//queryOpts.add("q", new CqlTranslatorImpl().getTranslatedQuery("oaftype exact project").asLucene());
|
849
|
NamedList<String> extraOpts = new NamedList<String>();
|
850
|
|
851
|
QueryResponse resp = null;
|
852
|
|
853
|
String cursorMark = "*";
|
854
|
String nextCursorMark = "";
|
855
|
|
856
|
//QueryResponse resp = solrClient.query(SolrParams.toSolrParams(queryOpts));
|
857
|
|
858
|
int curs = 0;
|
859
|
while (!cursorMark.equals(nextCursorMark)) {
|
860
|
logger.debug("QUERY OPTS: " + queryOpts.get("cursorMark"));
|
861
|
resp = solrClient.query(SolrParams.toSolrParams(queryOpts));
|
862
|
logger.debug("TOTAL number " + resp.getResults().getNumFound());
|
863
|
logger.debug(resp.getNextCursorMark());
|
864
|
|
865
|
System.out.println("BEGIN");
|
866
|
System.out.println("cursor " + cursorMark);
|
867
|
System.out.println("next cursor " + nextCursorMark);
|
868
|
|
869
|
cursorMark = nextCursorMark;
|
870
|
nextCursorMark = resp.getNextCursorMark();
|
871
|
|
872
|
for (int i = 0; i < resp.getResults().size(); i++) {
|
873
|
String result = ((ArrayList<String>) resp.getResults().get(i).get("__result")).get(0);
|
874
|
// out.write(result.getBytes());
|
875
|
// out.flush();
|
876
|
}
|
877
|
|
878
|
System.out.println("END");
|
879
|
System.out.println("cursor " + cursorMark);
|
880
|
System.out.println("next cursor " + nextCursorMark);
|
881
|
queryOpts.remove("cursorMark");
|
882
|
queryOpts.add("cursorMark", nextCursorMark);
|
883
|
|
884
|
System.out.println("CURS " + curs);
|
885
|
curs ++;
|
886
|
|
887
|
}
|
888
|
|
889
|
// out.close();
|
890
|
|
891
|
time = System.currentTimeMillis() - time;
|
892
|
System.out.println("Answer time " + time);
|
893
|
}*/
|
894
|
|
895
|
}
|