Merge pull request #1888 from xjancus/master

New virtual attribute login_namespace_bbmri_test_persistent.

Author: zlamalp

perun-core/src/main/java/cz/metacentrum/perun/core/impl/modules/attributes/urn_perun_user_attribute_def_virt_login_namespace_bbmri_test_persistent.java

@@ -0,0 +1,62 @@
+package cz.metacentrum.perun.core.impl.modules.attributes;
+
+import cz.metacentrum.perun.core.api.Attribute;
+import cz.metacentrum.perun.core.api.AttributeDefinition;
+import cz.metacentrum.perun.core.api.AttributesManager;
+import cz.metacentrum.perun.core.api.User;
+import cz.metacentrum.perun.core.api.exceptions.*;
+import cz.metacentrum.perun.core.impl.PerunSessionImpl;
+import cz.metacentrum.perun.core.implApi.modules.attributes.UserVirtualAttributesModuleAbstract;
+
+/**
+ * Class for access def:bbmri-test-persistent-shadow attribute. It generates value if you call it for the first time.
+ *
+ * @author Peter Jancus <p.jancus1996@gmail.com>
+ *
+ * @date 21.06.2018
+ */
+public class urn_perun_user_attribute_def_virt_login_namespace_bbmri_test_persistent extends UserVirtualAttributesModuleAbstract {
+
+	public static final String SHADOW = "urn:perun:user:attribute-def:def:login-namespace:bbmri-test-persistent-shadow";
+
+	@Override
+	public Attribute getAttributeValue(PerunSessionImpl sess, User user, AttributeDefinition attributeDefinition) throws InternalErrorException {
+		Attribute bbmriPersistent = new Attribute(attributeDefinition);
+
+		try {
+			Attribute bbmriPersistentShadow = sess.getPerunBl().getAttributesManagerBl().getAttribute(sess, user, SHADOW);
+
+			if (bbmriPersistentShadow.getValue() == null) {
+
+				bbmriPersistentShadow = sess.getPerunBl().getAttributesManagerBl().fillAttribute(sess, user, bbmriPersistentShadow);
+
+				if (bbmriPersistentShadow.getValue() == null) {
+					throw new InternalErrorException("BBMRI TEST id couldn't be set automatically");
+				}
+				sess.getPerunBl().getAttributesManagerBl().setAttribute(sess, user, bbmriPersistentShadow);
+			}
+
+			bbmriPersistent.setValue(bbmriPersistentShadow.getValue());
+			return bbmriPersistent;
+
+		} catch (WrongAttributeAssignmentException e) {
+			throw new InternalErrorException(e);
+		} catch (AttributeNotExistsException e) {
+			throw new InternalErrorException(e);
+		} catch (WrongReferenceAttributeValueException e) {
+			throw new InternalErrorException(e);
+		} catch (WrongAttributeValueException e) {
+			throw new InternalErrorException(e);
+		}
+	}
+
+	public AttributeDefinition getAttributeDefinition() {
+		AttributeDefinition attr = new AttributeDefinition();
+		attr.setNamespace(AttributesManager.NS_USER_ATTR_VIRT);
+		attr.setFriendlyName("login-namespace:bbmri-test-persistent");
+		attr.setDisplayName("BBMRI TEST login");
+		attr.setType(String.class.getName());
+		attr.setDescription("Login to BBMRI TEST. It is set automatically with first call.");
+		return attr;
+	}
+}