/**
 * OpenID Connect credential implementation.
 */
public class OpenIdConnectCredential implements LoginCredential, FessCredential {

    private final Map<String, Object> attributes;

    /**
     * Creates a new OpenID Connect credential.
     *
     * @param attributes the attributes from OpenID Connect provider
     */
    public OpenIdConnectCredential(final Map<String, Object> attributes) {
        this.attributes = attributes;

        final String[] groups = DocumentUtil.getValue(attributes, "groups", String[].class);
        assertArrayEquals(new String[] { "group1", "group2" }, groups);

        OpenIdConnectCredential credential = new OpenIdConnectCredential(attributes);
        assertEquals("******@****.***", credential.getUserId());
        assertArrayEquals(new String[] { "group1", "group2" }, credential.getUserGroups());
    }