Metacat

package edu.ucsb.nceas.metacat.annotation;

import java.io.InputStream;

import java.io.StringReader;

import java.net.URL;

import java.net.URLEncoder;

import org.apache.commons.io.IOUtils;

import org.apache.log4j.Logger;

import org.w3c.dom.Node;

import edu.ucsb.nceas.utilities.XMLUtilities;

public class OrcidService {

	private static Logger logMetacat = Logger.getLogger(OrcidService.class);

    private static final String REST_URL = "http://pub.sandbox.orcid.org/v1.1/search/orcid-bio";

    /**

	 * Look up possible ORCID from orcid service.

	 * @see "http://support.orcid.org/knowledgebase/articles/132354-searching-with-the-public-api"

	 * @param surName

	 * @param givenNames

	 * @param otherNames

	 * @return

	 */

	public static String lookupOrcid(String surName, String[] givenNames, String[] otherNames) {

		try {

			String urlParameters = "";

			if (surName != null) {

				urlParameters += "+family-name:\"" + surName + "\"";

			}

			if (otherNames != null) {

				for (String otherName: otherNames) {

					urlParameters += "+other-names:\"" + otherName + "\""; 

				}

			}

			if (givenNames != null) {

				for (String givenName: givenNames) {

					urlParameters += "+given-names:\"" + givenName + "\""; 

				}

			}

			urlParameters = URLEncoder.encode(urlParameters, "UTF-8");

			String url = REST_URL + "?q=" + urlParameters + "&rows=1";

			URL restURL = new URL(url);

			InputStream is = restURL.openStream();

			String results = IOUtils.toString(is);

			logMetacat.debug("RESULTS: " + results);

			Node doc = XMLUtilities.getXMLReaderAsDOMTreeRootNode(new StringReader(results));

			Node orcidUriNodeList = XMLUtilities.getNodeWithXPath(doc, "//*[local-name()=\"uri\"]");

			if (orcidUriNodeList != null) {

				String orcidUri = orcidUriNodeList.getFirstChild().getNodeValue();

				logMetacat.info("Found ORCID URI: " + orcidUri);

				return orcidUri;

			}

		} catch (Exception e) {

			logMetacat.error("Could not lookup ORCID for surName=" + surName, e);

		}

		return null;

	}

}