D-Net

		final Set<MyURL> urls = new HashSet<>();

		for (final Object o : urlList.selectNodes("./*[local-name() = 'alternateIdentifier' and @alternateIdentifierType='url']")) {

			final String url = ((Node) o).getText().trim();

			final MyURL u = new MyURL(url, hostedBy, licence);

			urls.remove(u);

			urls.add(u);

				.sorted((o1, o2) -> {

					final String l1 = o1.getLicence();

					final String l2 = o2.getLicence();

					return Integer.compare(n1, n2);

				})

				// .filter(u -> !u.getUrl().contains("puma.isti.cnr.it"))

		} else if (availables.contains("CLOSED ACCESS")) {

			doc.selectSingleNode("//*[local-name()='bestLicence']").setText("Closed Access");

		} else {

		}

	}

    <xsl:template match="/">

        <oai:record>

            <xsl:copy-of select="//*[local-name() = 'header']"/>

	                               <alternateIdentifier alternateIdentifierType="url" licence="{$rights}" hostedBy="CNR People"><xsl:value-of select="."/></alternateIdentifier>

	                           </xsl:if>

	                           <xsl:if test="starts-with(., 'http') and not(contains(., 'dx.doi.org')) and not(contains(., 'www.cnr.it'))">

	                           </xsl:if>

	                           <xsl:if test="starts-with(., 'info:doi:')">

	                           	  <xsl:variable name="doi" select="istiFunction:cleanDoi(substring-after(., 'info:doi:'))" />

	                               <alternateIdentifier alternateIdentifierType="doi"><xsl:value-of select="$doi"/></alternateIdentifier>

							  </xsl:if>

	                    </xsl:for-each>