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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 eu.dnetlib.api.data.SearchServiceException;
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import eu.dnetlib.data.search.app.SearchServiceImpl;
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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 org.apache.commons.collections.ListUtils;
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import org.apache.commons.io.IOUtils;
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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.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.*;
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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.ExceptionHandler;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.ResponseBody;
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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.IOException;
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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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public class SearchRequestController {
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@Autowired
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private SearchServiceImpl 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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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 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 List<String> GLOBAL_PARAMETERS = Arrays.asList("page", "size", "format", "sortBy");
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private static final List<String> PUB_N_DATA_COMMON_PARAMETERS = Arrays.asList("author", "doi", "community", "FP7ProjectID", "FP7scientificArea",
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"fromDateAccepted", "funder", "fundingStream", "hasECFunding", "hasProject", "hasWTFunding", "keywords",
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"model", "OA", "openaireProjectID", "openaireProviderID", "projectID", "title", "toDateAccepted");
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private static final List<String> PUB_PARAMETERS = Arrays.asList("openairePublicationID");
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private static final List<String> DATA_PARAMETERS = Arrays.asList("openaireDatasetID");
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private static final List<String> SOFTWARE_PARAMETERS = Arrays.asList("openaireSoftwareID");
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private static final List<String> OTHER_PARAMETERS = Arrays.asList("openaireOtherID");
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private static final List<String> PUB_N_DATASET_MODELS = Arrays.asList("dc", "openaire", "sygma");
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private static final List<String> PUB_N_DATASET_FORMATS = Arrays.asList("json", "rss", "xml", "csv", "tsv", "html");
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private static final List<String> PROJECT_PARAMETERS = 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 List<String> PROJECT_FORMATS = Arrays.asList("xml", "json", "csv", "tsv", "html");
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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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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 =-1;
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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/publications", method = RequestMethod.GET, produces = {MediaType.APPLICATION_XML_VALUE,MediaType.APPLICATION_JSON_VALUE})
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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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checkParameters(ListUtils.union(PUB_N_DATA_COMMON_PARAMETERS, PUB_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 format = (request.getParameter("format") != null) ? request.getParameter("format") : "xml";
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checkFormatParameter(PUB_N_DATASET_FORMATS, format);
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createResponseMeta(response, format);
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String locale = request.getParameter("locale");
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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);
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Collection<String> referrers = readParameter(request,"referrer");
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String newFormat = defineFormatter(model, format, true, referrers);
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StringBuilder queryBuilder = new StringBuilder();
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queryBuilder.append(PUBLICATION_BASIC_QUERY);
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ParameterQueryEnhancer.enhanceQueryWithFundingLevelParams(queryBuilder, request, vocabularyManager, isModelSygma(model));
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ParameterQueryEnhancer.enhanceQueryWithOpenAIREIds(queryBuilder, request);
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ParameterQueryEnhancer.enhanceQueryWithMetadataKeywords(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.enhanceQueryWithResultsSortParameters(queryBuilder, request);
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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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time = System.currentTimeMillis() - time;
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logger.debug("Answer old time " + time);
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}
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247
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@RequestMapping(value = "/api/datasets", method = RequestMethod.GET, produces = {MediaType.APPLICATION_XML_VALUE,MediaType.APPLICATION_JSON_VALUE})
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public void searchData(HttpServletRequest request, HttpServletResponse response) throws Exception {
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250
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checkParameters(ListUtils.union(PUB_N_DATA_COMMON_PARAMETERS, 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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256
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257
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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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260
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checkFormatParameter(PUB_N_DATASET_FORMATS, format);
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261
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262
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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);
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Collection<String> referrers = readParameter(request,"referrer");
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String newFormat = defineFormatter(model, format, false, referrers);
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269
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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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ParameterQueryEnhancer.enhanceQueryWithFundingLevelParams(queryBuilder, request, vocabularyManager, isModelSygma(model));
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ParameterQueryEnhancer.enhanceQueryWithOpenAIREIds(queryBuilder, request);
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ParameterQueryEnhancer.enhanceQueryWithMetadataKeywords(queryBuilder, request);
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ParameterQueryEnhancer.enhanceQueryWithFundingParams(queryBuilder, request);
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ParameterQueryEnhancer.enhanceQueryWithRelProjectParams(queryBuilder, request);
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ParameterQueryEnhancer.enhanceQueryWithAccessRights(queryBuilder, request);
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280
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ParameterQueryEnhancer.enhanceQueryWithDate(queryBuilder, request);
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281
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ParameterQueryEnhancer.enhanceQueryWithDoi(queryBuilder, request);
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282
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283
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ParameterQueryEnhancer.enhanceQueryWithResultsSortParameters(queryBuilder, request);
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284
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285
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FormattedSearchResult formattedSearchResult = null;
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286
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try {
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287
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formattedSearchResult = searchService.search(queryBuilder.toString(),sTransformer, (newFormat!=null)?newFormat:format, locale, page, size);
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288
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289
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} catch (Exception e) {
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290
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logger.error("Fail to execute search.", e);
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291
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throw new Exception("Fail to execute search.", e);
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292
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}
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293
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294
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PrintWriter writer = response.getWriter();
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295
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writer.append(formattedSearchResult.getFormattedResult());
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296
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writer.close();
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297
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298
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}
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299
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300
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@RequestMapping(value = "/api/software", method = RequestMethod.GET, produces = {MediaType.APPLICATION_XML_VALUE,MediaType.APPLICATION_JSON_VALUE})
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301
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public void searchSoftware(HttpServletRequest request, HttpServletResponse response) throws Exception {
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302
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303
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checkParameters(ListUtils.union(PUB_N_DATA_COMMON_PARAMETERS, SOFTWARE_PARAMETERS),request.getParameterMap());
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304
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305
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int page = readParameter(request, "page", 1);
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306
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int size = readParameter(request, "size", 10);
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307
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checkRequestSize(page, size);
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308
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309
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String format = (request.getParameter("format") != null) ? request.getParameter("format") : "xml";
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310
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createResponseMeta(response, format);
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311
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312
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checkFormatParameter(PUB_N_DATASET_FORMATS, format);
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313
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314
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String model = request.getParameter("model");
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315
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checkModelParameter(PUB_N_DATASET_MODELS, model);
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316
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String sTransformer = defineTransformer(model,format);
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317
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318
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Collection<String> referrers = readParameter(request,"referrer");
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319
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String newFormat = defineFormatter(model, format, false, referrers);
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320
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321
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String locale = request.getParameter("locale");
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322
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323
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StringBuilder queryBuilder = new StringBuilder();
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324
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queryBuilder.append(SOFTWARE_BASIC_QUERY);
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325
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326
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ParameterQueryEnhancer.enhanceQueryWithFundingLevelParams(queryBuilder, request, vocabularyManager, isModelSygma(model));
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327
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ParameterQueryEnhancer.enhanceQueryWithOpenAIREIds(queryBuilder, request);
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328
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ParameterQueryEnhancer.enhanceQueryWithMetadataKeywords(queryBuilder, request);
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329
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ParameterQueryEnhancer.enhanceQueryWithFundingParams(queryBuilder, request);
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330
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ParameterQueryEnhancer.enhanceQueryWithCommunityParams(queryBuilder, request);
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331
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ParameterQueryEnhancer.enhanceQueryWithRelProjectParams(queryBuilder, request);
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332
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ParameterQueryEnhancer.enhanceQueryWithAccessRights(queryBuilder, request);
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333
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ParameterQueryEnhancer.enhanceQueryWithDate(queryBuilder, request);
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334
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ParameterQueryEnhancer.enhanceQueryWithDoi(queryBuilder, request);
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335
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336
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ParameterQueryEnhancer.enhanceQueryWithResultsSortParameters(queryBuilder, request);
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337
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338
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FormattedSearchResult formattedSearchResult = null;
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339
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340
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try {
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341
|
formattedSearchResult = searchService.search(queryBuilder.toString(),sTransformer, (newFormat!=null)?newFormat:format, locale, page, size);
|
|
342
|
|
|
343
|
} catch (Exception e) {
|
|
344
|
logger.error("Fail to execute search.", e);
|
|
345
|
throw new Exception("Fail to execute search", e);
|
|
346
|
}
|
|
347
|
|
|
348
|
PrintWriter writer = response.getWriter();
|
|
349
|
writer.append(formattedSearchResult.getFormattedResult());
|
|
350
|
|
|
351
|
}
|
|
352
|
|
|
353
|
@RequestMapping(value = "/api/other", method = RequestMethod.GET, produces = {MediaType.APPLICATION_XML_VALUE,MediaType.APPLICATION_JSON_VALUE})
|
|
354
|
public void searchOther(HttpServletRequest request, HttpServletResponse response) throws Exception {
|
|
355
|
|
|
356
|
checkParameters(ListUtils.union(PUB_N_DATA_COMMON_PARAMETERS, OTHER_PARAMETERS),request.getParameterMap());
|
|
357
|
|
|
358
|
int page = readParameter(request, "page", 1);
|
|
359
|
int size = readParameter(request, "size", 10);
|
|
360
|
checkRequestSize(page, size);
|
|
361
|
|
|
362
|
String format = (request.getParameter("format") != null) ? request.getParameter("format") : "xml";
|
|
363
|
createResponseMeta(response, format);
|
|
364
|
|
|
365
|
checkFormatParameter(PUB_N_DATASET_FORMATS, format);
|
|
366
|
|
|
367
|
String model = request.getParameter("model");
|
|
368
|
checkModelParameter(PUB_N_DATASET_MODELS, model);
|
|
369
|
String sTransformer = defineTransformer(model,format);
|
|
370
|
|
|
371
|
Collection<String> referrers = readParameter(request,"referrer");
|
|
372
|
String newFormat = defineFormatter(model, format, false, referrers);
|
|
373
|
|
|
374
|
String locale = request.getParameter("locale");
|
|
375
|
|
|
376
|
StringBuilder queryBuilder = new StringBuilder();
|
|
377
|
queryBuilder.append(OTHER_BASIC_QUERY);
|
|
378
|
|
|
379
|
ParameterQueryEnhancer.enhanceQueryWithFundingLevelParams(queryBuilder, request, vocabularyManager, isModelSygma(model));
|
|
380
|
ParameterQueryEnhancer.enhanceQueryWithOpenAIREIds(queryBuilder, request);
|
|
381
|
ParameterQueryEnhancer.enhanceQueryWithMetadataKeywords(queryBuilder, request);
|
|
382
|
ParameterQueryEnhancer.enhanceQueryWithFundingParams(queryBuilder, request);
|
|
383
|
ParameterQueryEnhancer.enhanceQueryWithCommunityParams(queryBuilder, request);
|
|
384
|
ParameterQueryEnhancer.enhanceQueryWithRelProjectParams(queryBuilder, request);
|
|
385
|
ParameterQueryEnhancer.enhanceQueryWithAccessRights(queryBuilder, request);
|
|
386
|
ParameterQueryEnhancer.enhanceQueryWithDate(queryBuilder, request);
|
|
387
|
ParameterQueryEnhancer.enhanceQueryWithDoi(queryBuilder, request);
|
|
388
|
|
|
389
|
ParameterQueryEnhancer.enhanceQueryWithResultsSortParameters(queryBuilder, request);
|
|
390
|
|
|
391
|
FormattedSearchResult formattedSearchResult = null;
|
|
392
|
|
|
393
|
try {
|
|
394
|
formattedSearchResult = searchService.search(queryBuilder.toString(),sTransformer, (newFormat!=null)?newFormat:format, locale, page, size);
|
|
395
|
|
|
396
|
} catch (Exception e) {
|
|
397
|
logger.error("Fail to execute search.", e);
|
|
398
|
throw new Exception("Fail to execute search", e);
|
|
399
|
}
|
|
400
|
|
|
401
|
PrintWriter writer = response.getWriter();
|
|
402
|
writer.append(formattedSearchResult.getFormattedResult());
|
|
403
|
|
|
404
|
}
|
|
405
|
|
|
406
|
@RequestMapping(value = "/api/projects", method = RequestMethod.GET, produces = {MediaType.APPLICATION_XML_VALUE,MediaType.APPLICATION_JSON_VALUE})
|
|
407
|
public void searchProjects(HttpServletRequest request, HttpServletResponse response) throws Exception {
|
|
408
|
|
|
409
|
checkParameters(PROJECT_PARAMETERS, request.getParameterMap());
|
|
410
|
|
|
411
|
int page = readParameter(request, "page", 1);
|
|
412
|
int size = readParameter(request, "size", 10);
|
|
413
|
checkRequestSize(page, size);
|
|
414
|
|
|
415
|
StringBuilder queryBuilder = new StringBuilder();
|
|
416
|
queryBuilder.append(PROJECT_BASIC_QUERY);
|
|
417
|
String locale = request.getParameter("locale");
|
|
418
|
|
|
419
|
String format = (request.getParameter("format") != null) ? request.getParameter("format") : "xml";
|
|
420
|
checkFormatParameter(PROJECT_FORMATS, format);
|
|
421
|
createResponseMeta(response, format);
|
|
422
|
|
|
423
|
format = finalFormat(format);
|
|
424
|
|
|
425
|
String sTransformer = request.getParameter("sTransformer");
|
|
426
|
|
|
427
|
ParameterQueryEnhancer.enhanceProjectQueryWithOpenAIREIds(queryBuilder, request);
|
|
428
|
ParameterQueryEnhancer.enhanceQueryWithProjectMetadataKeywords(queryBuilder, request);
|
|
429
|
ParameterQueryEnhancer.enhanceQueryWithProjectFundingParams(queryBuilder, request);
|
|
430
|
ParameterQueryEnhancer.enhanceProjectQueryWithFundingLevelParams(queryBuilder, request, vocabularyManager);
|
|
431
|
ParameterQueryEnhancer.enhanceQueryWithParticipantsInfoParams(queryBuilder, request);
|
|
432
|
ParameterQueryEnhancer.enhanceQueryWithYearParams(queryBuilder, request);
|
|
433
|
ParameterQueryEnhancer.enhanceQueryWithSC39Params(queryBuilder, request);
|
|
434
|
|
|
435
|
ParameterQueryEnhancer.enhanceQueryWithProjectSortParameters(queryBuilder, request);
|
|
436
|
|
|
437
|
FormattedSearchResult formattedSearchResult = null;
|
|
438
|
try {
|
|
439
|
formattedSearchResult = searchService.search(queryBuilder.toString(),sTransformer, format, locale, page, size);
|
|
440
|
|
|
441
|
} catch (SearchServiceException e) {
|
|
442
|
throw new Exception("Fail to execute search");
|
|
443
|
}
|
|
444
|
|
|
445
|
PrintWriter writer = response.getWriter();
|
|
446
|
writer.append(formattedSearchResult.getFormattedResult());
|
|
447
|
writer.close();
|
|
448
|
}
|
|
449
|
|
|
450
|
|
|
451
|
@ExceptionHandler(IllegalArgumentException.class)
|
|
452
|
public @ResponseBody ResponseEntity<Error> invalidInput(HttpServletRequest request, HttpServletResponse httpServletResponse, Exception ex) {
|
|
453
|
Error response = new Error();
|
|
454
|
response.setStatus("error");
|
|
455
|
response.setCode("400");
|
|
456
|
response.setMessage("400 - Illegal argument exception.");
|
|
457
|
response.setException(ex.getMessage());
|
|
458
|
|
|
459
|
String format = (request.getParameter("format") == null)? "xml": request.getParameter("format").toLowerCase();
|
|
460
|
|
|
461
|
return new ResponseEntity<Error>(response, HttpStatus.BAD_REQUEST);
|
|
462
|
}
|
|
463
|
|
|
464
|
private String finalFormat(String format) {
|
|
465
|
if (format.equals("tsv")){
|
|
466
|
return "project_tsv";
|
|
467
|
|
|
468
|
} else if (format.equals("csv")) {
|
|
469
|
return "project_csv";
|
|
470
|
|
|
471
|
} else if (format.equals("html")) {
|
|
472
|
return "project_html";
|
|
473
|
}
|
|
474
|
|
|
475
|
return format;
|
|
476
|
}
|
|
477
|
|
|
478
|
private String finalFormat(String format, String referrer) {
|
|
479
|
if (referrer == null || referrer.isEmpty() || !referrer.equals("joomla")) {
|
|
480
|
return finalFormat(format);
|
|
481
|
}
|
|
482
|
|
|
483
|
if (format.equals("tsv")){
|
|
484
|
return "publication_tsv_notitle";
|
|
485
|
|
|
486
|
} else if (format.equals("csv")) {
|
|
487
|
return "publication_csv_notitle";
|
|
488
|
|
|
489
|
}
|
|
490
|
|
|
491
|
return format;
|
|
492
|
}
|
|
493
|
|
|
494
|
/** TODO: check if needed
|
|
495
|
* Based on the given model the transformer to be used is defined
|
|
496
|
* @param model
|
|
497
|
* @return
|
|
498
|
|
|
499
|
private String defineTransformer(String model) {
|
|
500
|
if (model!=null && !model.trim().isEmpty()) {
|
|
501
|
if (model.equals("openaire")) {
|
|
502
|
return null;
|
|
503
|
|
|
504
|
} else if (model.equals("sygma")) {
|
|
505
|
return "results_openaire";
|
|
506
|
}
|
|
507
|
else if (model.equals("dc")) {
|
|
508
|
return "dc";
|
|
509
|
}
|
|
510
|
|
|
511
|
throw new IllegalArgumentException("model '" + model + "' is not supported.");
|
|
512
|
|
|
513
|
} else {
|
|
514
|
return null;
|
|
515
|
}
|
|
516
|
}*/
|
|
517
|
|
|
518
|
//TODO: check if needed
|
|
519
|
private String defineTransformer(String model, String format) {
|
|
520
|
if (model != null && !model.trim().isEmpty() && format != null && (format.equals("json")||format.equals("xml"))) {
|
|
521
|
if (model.equals("openaire")) {
|
|
522
|
return null;
|
|
523
|
|
|
524
|
} else if (model.equals("sygma")) {
|
|
525
|
return "results_openaire";
|
|
526
|
}
|
|
527
|
else if (model.equals("dc")) {
|
|
528
|
return "dc";
|
|
529
|
}
|
|
530
|
|
|
531
|
throw new IllegalArgumentException("model '" + model + "' is not supported.");
|
|
532
|
|
|
533
|
} else if (format != null && !format.trim().isEmpty()) {
|
|
534
|
if (format.equals("rss") || format.equals("csv") || format.equals("tsv") || format.equals("html")) {
|
|
535
|
return "results_openaire";
|
|
536
|
}
|
|
537
|
}
|
|
538
|
|
|
539
|
return null;
|
|
540
|
|
|
541
|
}
|
|
542
|
|
|
543
|
private String defineFormatter(String model, String format, boolean isPublications, Collection<String> referrers) {
|
|
544
|
if( model != null && !model.trim().isEmpty() ) {
|
|
545
|
if (model.equals("sygma")) {
|
|
546
|
|
|
547
|
if (isPublications) {
|
|
548
|
return "sygma_publication";
|
|
549
|
}
|
|
550
|
return "sygma_dataset";
|
|
551
|
}
|
|
552
|
} else {
|
|
553
|
if (referrers != null && !referrers.isEmpty() && Iterables.get(referrers, 0) != null && !Iterables.get(referrers, 0).isEmpty()) {
|
|
554
|
return finalFormat(format, Iterables.get(referrers, 0));
|
|
555
|
} else {
|
|
556
|
format = finalFormat(format);
|
|
557
|
}
|
|
558
|
}
|
|
559
|
|
|
560
|
return null;
|
|
561
|
}
|
|
562
|
|
|
563
|
@Deprecated
|
|
564
|
private void createXmlErrorPage(PrintWriter writer, Exception e) {
|
|
565
|
writer.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
|
|
566
|
writer.append("<error>");
|
|
567
|
writer.append("<exception>")
|
|
568
|
.append(StringEscapeUtils.escapeXml(e.getClass().getName()))
|
|
569
|
.append("</exception>");
|
|
570
|
if (e.getMessage() != null) {
|
|
571
|
writer.append("<message>")
|
|
572
|
.append(StringEscapeUtils.escapeXml(e.getMessage()))
|
|
573
|
.append("</message>");
|
|
574
|
}
|
|
575
|
if (e.getCause() != null) {
|
|
576
|
writer.append("<cause>")
|
|
577
|
.append(StringEscapeUtils.escapeXml(e.getCause()
|
|
578
|
.toString())).append("</cause>");
|
|
579
|
}
|
|
580
|
|
|
581
|
StackTraceElement[] trace = e.getStackTrace();
|
|
582
|
writer.append("<trace>");
|
|
583
|
for (int i = 0; i < trace.length; i++) {
|
|
584
|
writer.append(StringEscapeUtils.escapeXml(trace[i].toString()))
|
|
585
|
.append("\n");
|
|
586
|
}
|
|
587
|
writer.append("</trace>");
|
|
588
|
|
|
589
|
writer.append("</error>");
|
|
590
|
}
|
|
591
|
|
|
592
|
// Reading parameters from url and adding default values
|
|
593
|
public int readParameter(HttpServletRequest request, String parameterName, int defaultValue) {
|
|
594
|
String param = request.getParameter(parameterName);
|
|
595
|
return (param != null && !param.isEmpty()) ? Integer.parseInt(param) : defaultValue;
|
|
596
|
}
|
|
597
|
|
|
598
|
private Collection<String> readParameter(HttpServletRequest request, String parameterName) {
|
|
599
|
Collection<String> fields = null;
|
|
600
|
String[] paramfields = request.getParameterValues(parameterName);
|
|
601
|
if (paramfields != null) {
|
|
602
|
fields = new ArrayList<String>();
|
|
603
|
for (int i = 0; i < paramfields.length; i++) {
|
|
604
|
fields.add(paramfields[i]);
|
|
605
|
}
|
|
606
|
}
|
|
607
|
return fields;
|
|
608
|
}
|
|
609
|
|
|
610
|
/**
|
|
611
|
* Checks if the requested result size exceeds the maximum allowed numbers of returned results
|
|
612
|
* @param page the page parameter
|
|
613
|
* @param size the size parameter
|
|
614
|
*/
|
|
615
|
private void checkRequestSize(int page, int size) {
|
|
616
|
int total = page*size;
|
|
617
|
if (total > Integer.parseInt(maxResults)) {
|
|
618
|
throw new IllegalArgumentException("Size and page arguments have exceeded the maximum number of returned results.");
|
|
619
|
}
|
|
620
|
}
|
|
621
|
|
|
622
|
private String defineContentType(String format) {
|
|
623
|
if (format != null) {
|
|
624
|
if (format.equalsIgnoreCase("xml")) {
|
|
625
|
return XML_CONTENT_TYPE;
|
|
626
|
} else if (format.equalsIgnoreCase("json")) {
|
|
627
|
return JSON_CONTENT_TYPE;
|
|
628
|
|
|
629
|
} else if (format.equalsIgnoreCase("csv")) {
|
|
630
|
return CSV_CONTENT_TYPE;
|
|
631
|
|
|
632
|
} else if (format.equalsIgnoreCase("tsv")) {
|
|
633
|
return TSV_CONTENT_TYPE;
|
|
634
|
|
|
635
|
} else if (format.equalsIgnoreCase("html")){
|
|
636
|
return HTML_CONTENT_TYPE;
|
|
637
|
}
|
|
638
|
}
|
|
639
|
|
|
640
|
return XML_CONTENT_TYPE;
|
|
641
|
}
|
|
642
|
/**
|
|
643
|
* Checks if the parameters given are allowed. The given parameters are checked against the allowed parameter
|
|
644
|
* and the GLOBAL_PARAMETERS.
|
|
645
|
* @param allowedParameters the allowed parameters
|
|
646
|
* @param currentParameters the given parameters
|
|
647
|
*/
|
|
648
|
private void checkParameters(List<String> allowedParameters, Map<String, String[]> currentParameters){
|
|
649
|
if(currentParameters != null) {
|
|
650
|
for (String parameter : currentParameters.keySet()) {
|
|
651
|
if (!allowedParameters.contains(parameter) && !GLOBAL_PARAMETERS.contains(parameter) && !parameter.equals("referrer")) {
|
|
652
|
throw new IllegalArgumentException("Parameter " + parameter + " is not supported. The supported parameters are: " +
|
|
653
|
allowedParameters.toString().replace("[","").replace("]", ", ") + GLOBAL_PARAMETERS.toString().substring(1,GLOBAL_PARAMETERS.toString().length()-1));
|
|
654
|
}
|
|
655
|
}
|
|
656
|
}
|
|
657
|
}
|
|
658
|
|
|
659
|
private void checkFormatParameter(List<String> allowedFormats, String requestedFormat) {
|
|
660
|
if (requestedFormat!= null && !allowedFormats.contains(requestedFormat)) {
|
|
661
|
throw new IllegalArgumentException("The requested format \'"+ requestedFormat +"\' is not supported. The supported formats are: " + allowedFormats);
|
|
662
|
}
|
|
663
|
}
|
|
664
|
|
|
665
|
private static void checkModelParameter(List<String> allowedModels, String requestedModel) {
|
|
666
|
if (requestedModel!= null && !allowedModels.contains(requestedModel)) {
|
|
667
|
throw new IllegalArgumentException("The requested model \'"+ allowedModels +"\' is not supported. The supported formats are: " + allowedModels);
|
|
668
|
}
|
|
669
|
}
|
|
670
|
|
|
671
|
private static boolean isModelSygma(String model) {
|
|
672
|
if (model == null || model.isEmpty()) { return false; }
|
|
673
|
|
|
674
|
if (!model.isEmpty() && !model.equals("sygma")) {
|
|
675
|
return false;
|
|
676
|
}
|
|
677
|
|
|
678
|
return true;
|
|
679
|
}
|
|
680
|
|
|
681
|
private void createResponseMeta( HttpServletResponse response, String format) {
|
|
682
|
response.setContentType(defineContentType(format));
|
|
683
|
response.setCharacterEncoding("UTF-8");
|
|
684
|
|
|
685
|
if (!format.equals("xml") || !format.equals("json")) {
|
|
686
|
|
|
687
|
SimpleDateFormat sdf = new SimpleDateFormat("ddMMyyyy");
|
|
688
|
String date = sdf.format(new Date());
|
|
689
|
|
|
690
|
if (format.equals("csv")) {
|
|
691
|
response.setHeader("Content-Disposition", "filename="+date+".csv");
|
|
692
|
|
|
693
|
} else if (format.equals("csv")) {
|
|
694
|
response.setHeader("Content-Disposition", "filename="+date+".tsv");
|
|
695
|
|
|
696
|
} else if (format.equals("html")) {
|
|
697
|
response.setHeader("Content-Disposition", "filename="+date+".html");
|
|
698
|
}
|
|
699
|
}
|
|
700
|
}
|
|
701
|
|
|
702
|
|
|
703
|
/* TODO: enable if we decide to use ACCEPT Header as a priority to format parameter
|
|
704
|
private String getFormat(HttpServletRequest request) {
|
|
705
|
if (request.getParameter("format") == null && request.getHeader("Accept")!=null) {
|
|
706
|
if (request.getHeader("Accept").equals(MediaType.APPLICATION_XML_VALUE) ||
|
|
707
|
request.getHeader("Accept").contains(MediaType.APPLICATION_XML_VALUE)){
|
|
708
|
return "xml";
|
|
709
|
}
|
|
710
|
|
|
711
|
if (request.getHeader("Accept").equals(MediaType.APPLICATION_JSON_VALUE)){
|
|
712
|
return "json";
|
|
713
|
}
|
|
714
|
}
|
|
715
|
|
|
716
|
if (request.getParameter("format") == null && (request.getHeader("Accept")== null ||
|
|
717
|
request.getHeader("Accept").equals(MediaType.ALL_VALUE))) {
|
|
718
|
return "xml";
|
|
719
|
}
|
|
720
|
|
|
721
|
return request.getParameter("format");
|
|
722
|
} */
|
|
723
|
|
|
724
|
/*public void test(HttpServletRequest request, HttpServletResponse response) throws IOException, SolrServerException {
|
|
725
|
|
|
726
|
long time = System.currentTimeMillis();
|
|
727
|
|
|
728
|
CloudSolrServer solrClient = new CloudSolrServer("openaire-solr-beta.vls.icm.edu.pl:9983");
|
|
729
|
solrClient.setDefaultCollection("DMF-index-openaire");
|
|
730
|
|
|
731
|
response.setContentType("text/html");
|
|
732
|
ServletOutputStream out=response.getOutputStream();
|
|
733
|
|
|
734
|
NamedList<String> queryOpts = new NamedList<String>();
|
|
735
|
|
|
736
|
//q=*:*&start=0&rows=10&cursorMark=*&sort=dateofcollection asc
|
|
737
|
try {
|
|
738
|
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());
|
|
739
|
|
|
740
|
} catch (CQLParseException e) {
|
|
741
|
logger.error(e);
|
|
742
|
}
|
|
743
|
queryOpts.add("start", "0");
|
|
744
|
queryOpts.add("rows", "500");
|
|
745
|
queryOpts.add("fl", "__result");
|
|
746
|
queryOpts.add("shards.tolerant","true");
|
|
747
|
queryOpts.add("cursorMark", "*");
|
|
748
|
queryOpts.add("sort", "__indexrecordidentifier asc");
|
|
749
|
|
|
750
|
|
|
751
|
//queryOpts.add("q", new CqlTranslatorImpl().getTranslatedQuery("oaftype exact project").asLucene());
|
|
752
|
NamedList<String> extraOpts = new NamedList<String>();
|
|
753
|
|
|
754
|
QueryResponse resp = null;
|
|
755
|
|
|
756
|
String cursorMark = "*";
|
|
757
|
String nextCursorMark = "";
|
|
758
|
|
|
759
|
//QueryResponse resp = solrClient.query(SolrParams.toSolrParams(queryOpts));
|
|
760
|
|
|
761
|
int curs = 0;
|
|
762
|
while (!cursorMark.equals(nextCursorMark)) {
|
|
763
|
logger.debug("QUERY OPTS: " + queryOpts.get("cursorMark"));
|
|
764
|
resp = solrClient.query(SolrParams.toSolrParams(queryOpts));
|
|
765
|
logger.debug("TOTAL number " + resp.getResults().getNumFound());
|
|
766
|
logger.debug(resp.getNextCursorMark());
|
|
767
|
|
|
768
|
System.out.println("BEGIN");
|
|
769
|
System.out.println("cursor " + cursorMark);
|
|
770
|
System.out.println("next cursor " + nextCursorMark);
|
|
771
|
|
|
772
|
cursorMark = nextCursorMark;
|
|
773
|
nextCursorMark = resp.getNextCursorMark();
|
|
774
|
|
|
775
|
for (int i = 0; i < resp.getResults().size(); i++) {
|
|
776
|
String result = ((ArrayList<String>) resp.getResults().get(i).get("__result")).get(0);
|
|
777
|
out.write(result.getBytes());
|
|
778
|
out.flush();
|
|
779
|
}
|
|
780
|
|
|
781
|
System.out.println("END");
|
|
782
|
System.out.println("cursor " + cursorMark);
|
|
783
|
System.out.println("next cursor " + nextCursorMark);
|
|
784
|
queryOpts.remove("cursorMark");
|
|
785
|
queryOpts.add("cursorMark", nextCursorMark);
|
|
786
|
|
|
787
|
System.out.println("CURS " + curs);
|
|
788
|
curs ++;
|
|
789
|
|
|
790
|
}
|
|
791
|
|
|
792
|
out.close();
|
|
793
|
|
|
794
|
time = System.currentTimeMillis() - time;
|
|
795
|
System.out.println("Answer time " + time);
|
|
796
|
}*/
|
|
797
|
}
|