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package edu.ucsb.nceas.metacat.annotation;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.StringReader;
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import java.net.URL;
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import java.net.URLEncoder;
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import java.util.ArrayList;
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import java.util.List;
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import org.apache.commons.io.IOUtils;
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import org.apache.log4j.Logger;
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import org.apache.wicket.protocol.http.mock.MockHttpServletRequest;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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import edu.ucsb.nceas.metacat.dataone.MNodeService;
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import edu.ucsb.nceas.utilities.XMLUtilities;
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public class OrcidService {
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private static Logger logMetacat = Logger.getLogger(OrcidService.class);
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//private static final String REST_URL = "http://pub.sandbox.orcid.org/v1.1/search/orcid-bio";
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private static final String REST_URL = "http://pub.orcid.org/v1.1/search/orcid-bio";
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/**
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* Look up possible ORCID from orcid service.
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* @see "http://support.orcid.org/knowledgebase/articles/132354-searching-with-the-public-api"
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* @param surName
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* @param givenNames
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* @param otherNames
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* @return
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*/
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public static String lookupOrcid(String surName, String[] givenNames, String[] otherNames) {
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String url = null;
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try {
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String urlParameters = "";
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if (surName != null) {
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// surName = surName.replaceAll(" ", "%20");
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urlParameters += "+family-name:\"" + surName + "\"";
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}
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if (otherNames != null) {
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for (String otherName: otherNames) {
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// otherName = otherName.replaceAll(" ", "%20");
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urlParameters += "+other-names:\"" + otherName + "\"";
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}
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}
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if (givenNames != null) {
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for (String givenName: givenNames) {
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// givenName = givenName.replaceAll(" ", "%20");
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urlParameters += "+given-names:\"" + givenName + "\"";
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}
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}
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urlParameters = URLEncoder.encode(urlParameters, "UTF-8");
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url = REST_URL + "?q=" + urlParameters + "&rows=1";
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URL restURL = new URL(url);
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InputStream is = restURL.openStream();
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String results = IOUtils.toString(is);
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logMetacat.debug("RESULTS: " + results);
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Node doc = XMLUtilities.getXMLReaderAsDOMTreeRootNode(new StringReader(results));
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Node orcidUriNodeList = XMLUtilities.getNodeWithXPath(doc, "//*[local-name()=\"orcid-identifier\"]/*[local-name()=\"uri\"]");
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if (orcidUriNodeList != null) {
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String orcidUri = orcidUriNodeList.getFirstChild().getNodeValue();
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logMetacat.info("Found ORCID URI: " + orcidUri);
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return orcidUri;
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}
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} catch (Exception e) {
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logMetacat.error("Could not lookup ORCID using: " + url, e);
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}
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return null;
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}
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/**
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* Look up indexed creators
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*/
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public static List<String> lookupCreators(boolean includeObsolete) {
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// Search for the creators if we can find them
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List<String> retList = null;
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try {
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String query = "q=-obsoletedBy:[* TO *]&rows=0&facet=true&facet.limit=-1&facet.field=origin";
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if (includeObsolete) {
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query = "q=*:*&rows=0&facet=true&facet.limit=-1&facet.field=origin";
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}
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MockHttpServletRequest request = new MockHttpServletRequest(null, null, null);
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InputStream results = MNodeService.getInstance(request ).query("solr", query);
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Node rootNode = XMLUtilities.getXMLReaderAsDOMTreeRootNode(new InputStreamReader(results, "UTF-8"));
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//String resultString = XMLUtilities.getDOMTreeAsString(rootNode);
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NodeList nodeList = XMLUtilities.getNodeListWithXPath(rootNode, "//lst[@name=\"origin\"]/int/@name");
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if (nodeList != null && nodeList.getLength() > 0) {
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retList = new ArrayList<String>();
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for (int i = 0; i < nodeList.getLength(); i++) {
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String found = nodeList.item(i).getFirstChild().getNodeValue();
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retList.add(found);
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}
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}
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} catch (Exception e) {
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logMetacat.error("Error checking for creators[s]: " + e.getMessage(), e);
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}
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return retList;
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}
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}
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