Revision 8794
Added by ben leinfelder almost 10 years ago
| DOIService.java | ||
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import java.io.InputStream; |
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import java.text.SimpleDateFormat; |
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import java.util.Arrays; |
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import java.util.Calendar; |
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import java.util.Date; |
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import java.util.HashMap; |
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import org.apache.log4j.Logger; |
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private Logger logMetacat = Logger.getLogger(DOIService.class); |
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private boolean doiEnabled = false; |
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private String shoulder = null; |
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private String ezidUsername = null; |
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private String ezidPassword = null; |
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private EZIDService ezid = null; |
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private Date lastLogin = null; |
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private long loginPeriod = 1 * 24 * 60 * 60 * 1000; |
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private static DOIService instance = null; |
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public static DOIService getInstance() {
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*/ |
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private DOIService() {
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// for DOIs |
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String ezidServiceBaseUrl = null; |
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try {
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doiEnabled = new Boolean(PropertyService.getProperty("guid.ezid.enabled")).booleanValue();
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shoulder = PropertyService.getProperty("guid.ezid.doishoulder.1");
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ezidServiceBaseUrl = PropertyService.getProperty("guid.ezid.baseurl");
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ezidUsername = PropertyService.getProperty("guid.ezid.username");
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ezidPassword = PropertyService.getProperty("guid.ezid.password");
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} catch (PropertyNotFoundException e) {
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logMetacat.warn("DOI support is not configured at this node.", e);
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return; |
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} |
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ezid = new EZIDService(ezidServiceBaseUrl); |
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//ezid = new EZIDClient(ezidServiceBaseUrl); |
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} |
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/** |
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* Make sure we have a current login before making any calls |
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* @throws EZIDException |
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*/ |
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private void refreshLogin() throws EZIDException {
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Date now = Calendar.getInstance().getTime(); |
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if (lastLogin == null || now.getTime() - lastLogin.getTime() > loginPeriod) {
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ezid.login(ezidUsername, ezidPassword); |
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lastLogin = now; |
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} |
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} |
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/** |
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* submits DOI metadata information about the object to EZID |
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* @param sysMeta |
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* @return |
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* @throws NotImplemented |
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*/ |
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public boolean registerDOI(SystemMetadata sysMeta) throws EZIDException, NotImplemented, ServiceFailure {
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// for DOIs |
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String ezidUsername = null; |
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String ezidPassword = null; |
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String shoulder = null; |
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boolean doiEnabled = false; |
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try {
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doiEnabled = new Boolean(PropertyService.getProperty("guid.ezid.enabled")).booleanValue();
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shoulder = PropertyService.getProperty("guid.ezid.doishoulder.1");
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ezidUsername = PropertyService.getProperty("guid.ezid.username");
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ezidPassword = PropertyService.getProperty("guid.ezid.password");
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} catch (PropertyNotFoundException e) {
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logMetacat.warn("DOI support is not configured at this node.", e);
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return false; |
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} |
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// only continue if we have the feature turned on |
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if (doiEnabled) {
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|
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// enter metadata about this identifier |
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HashMap<String, String> metadata = null; |
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// login to EZID service |
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String ezidServiceBaseUrl = null; |
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try {
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ezidServiceBaseUrl = PropertyService.getProperty("guid.ezid.baseurl");
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} catch (PropertyNotFoundException e) {
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logMetacat.warn("Using default EZID baseUrl");
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} |
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EZIDService ezid = new EZIDService(ezidServiceBaseUrl); |
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ezid.login(ezidUsername, ezidPassword); |
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// make sure we have a current login |
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this.refreshLogin(); |
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// check for existing metadata |
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boolean create = false; |
| ... | ... | |
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ezid.setMetadata(identifier, metadata); |
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} |
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ezid.logout(); |
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} |
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} |
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*/ |
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public Identifier generateDOI() throws EZIDException, InvalidRequest {
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Identifier identifier = new Identifier(); |
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// look up configuration values |
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String shoulder = null; |
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String ezidUsername = null; |
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String ezidPassword = null; |
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boolean doiEnabled = false; |
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try {
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doiEnabled = new Boolean(PropertyService.getProperty("guid.ezid.enabled")).booleanValue();
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shoulder = PropertyService.getProperty("guid.ezid.doishoulder.1");
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ezidUsername = PropertyService.getProperty("guid.ezid.username");
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ezidPassword = PropertyService.getProperty("guid.ezid.password");
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} catch (PropertyNotFoundException e1) {
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throw new InvalidRequest("2193", "DOI shoulder is not configured at this node.");
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} |
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// only continue if we have the feature turned on |
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if (!doiEnabled) {
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metadata.put(InternalProfile.STATUS.toString(), InternalProfileValues.RESERVED.toString()); |
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metadata.put(InternalProfile.EXPORT.toString(), InternalProfileValues.NO.toString()); |
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// make sure we have a current login |
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this.refreshLogin(); |
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// call the EZID service |
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String ezidServiceBaseUrl = null; |
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try {
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ezidServiceBaseUrl = PropertyService.getProperty("guid.ezid.baseurl");
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} catch (PropertyNotFoundException e) {
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logMetacat.warn("Using default EZID baseUrl");
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} |
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EZIDService ezid = new EZIDService(ezidServiceBaseUrl); |
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ezid.login(ezidUsername, ezidPassword); |
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String doi = ezid.mintIdentifier(shoulder, metadata); |
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Identifier identifier = new Identifier(); |
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identifier.setValue(doi); |
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ezid.logout(); |
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return identifier; |
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} |
Also available in: Unified diff
use a member instance of ezid service that only logs in every 24 hours (or other time TBD) instead of every time there is an interaction with the service. Saves us many calls when doing batch updates to ezid but keeps us from trying to use expired sessions. Motivated by https://projects.ecoinformatics.org/ecoinfo/issues/6440