/**
   * Implementation of TicketerPlugin API call to retrieve a Jira trouble ticket.
   *
   * @return an OpenNMS
   * @throws PluginException
   */
  @Override
  public Ticket get(String ticketId) throws PluginException {
    JiraRestClient jira = getConnection();
    if (jira == null) {
      return null;
    }

    // w00t
    Issue issue;
    try {
      issue = jira.getIssueClient().getIssue(ticketId).get();
    } catch (InterruptedException | ExecutionException e) {
      throw new PluginException("Failed to get issue with id: " + ticketId, e);
    }

    if (issue != null) {
      Ticket ticket = new Ticket();

      ticket.setId(issue.getKey());
      ticket.setModificationTimestamp(String.valueOf(issue.getUpdateDate().toDate().getTime()));
      ticket.setSummary(issue.getSummary());
      ticket.setDetails(issue.getDescription());
      ticket.setState(getStateFromStatusName(issue.getStatus().getName()));

      return ticket;
    } else {
      return null;
    }
  }
  @Test
  public void testGetIssue() throws Exception {
    final Issue issue = client.getIssueClient().getIssue("TST-1").claim();
    assertEquals("TST-1", issue.getKey());
    assertEquals(Long.valueOf(10000), issue.getId());
    assertTrue(issue.getSelf().toString().startsWith(jiraUri.toString()));
    assertEqualsNoUri(IntegrationTestUtil.USER_ADMIN, issue.getReporter());
    assertEqualsNoUri(IntegrationTestUtil.USER_ADMIN, issue.getAssignee());

    assertThat(issue.getLabels(), containsInAnyOrder("a", "bcds"));

    assertEquals(3, Iterables.size(issue.getComments()));
    final Iterable<String> expectedExpandos = getExpectedExpands();
    assertThat(
        ImmutableList.copyOf(issue.getExpandos()),
        containsInAnyOrder(toArray(expectedExpandos, String.class)));
    assertEquals(new TimeTracking(null, 0, 190), issue.getTimeTracking());
    assertTrue(Iterables.size(issue.getFields()) > 0);

    assertEquals(
        IntegrationTestUtil.START_PROGRESS_TRANSITION_ID, Iterables.size(issue.getAttachments()));
    final Iterable<Attachment> items = issue.getAttachments();
    assertNotNull(items);
    Attachment attachment1 =
        new Attachment(
            IntegrationTestUtil.concat(
                IntegrationTestUtil.TESTING_JIRA_5_OR_NEWER
                    ? UriBuilder.fromUri(jiraUri).path("/rest/api/2/").build()
                    : jiraRestRootUri,
                "/attachment/10040"),
            "dla Paw\u0142a.txt",
            IntegrationTestUtil.USER_ADMIN,
            dateTime,
            643,
            "text/plain",
            IntegrationTestUtil.concat(jiraUri, "/secure/attachment/10040/dla+Paw%C5%82a.txt"),
            null);

    assertEquals(attachment1, items.iterator().next());

    // test for changelog
    assertNull(issue.getChangelog());

    final Issue issueWithChangelogAndOperations =
        client.getIssueClient().getIssue("TST-2", EnumSet.of(CHANGELOG, OPERATIONS)).claim();
    final Iterable<ChangelogGroup> changelog = issueWithChangelogAndOperations.getChangelog();
    if (isJira5xOrNewer()) {
      assertNotNull(changelog);
      final ChangelogGroup chg1 = Iterables.get(changelog, 18);
      assertEquals("admin", chg1.getAuthor().getName());
      assertEquals("Administrator", chg1.getAuthor().getDisplayName());
      assertEquals(
          new DateTime(2010, 8, 17, 16, 40, 34, 924).toInstant(), chg1.getCreated().toInstant());

      assertEquals(
          Collections.singletonList(
              new ChangelogItem(FieldType.JIRA, "status", "1", "Open", "3", "In Progress")),
          chg1.getItems());

      final ChangelogGroup chg2 = Iterables.get(changelog, 20);
      assertEquals("admin", chg2.getAuthor().getName());
      assertEquals("Administrator", chg2.getAuthor().getDisplayName());
      assertEquals(
          new DateTime(2010, 8, 24, 16, 10, 23, 468).toInstant(), chg2.getCreated().toInstant());

      final List<ChangelogItem> expected =
          ImmutableList.of(
              new ChangelogItem(FieldType.JIRA, "timeoriginalestimate", null, null, "0", "0"),
              new ChangelogItem(FieldType.CUSTOM, "My Radio buttons", null, null, null, "Another"),
              new ChangelogItem(FieldType.CUSTOM, "project3", null, null, "10000", "Test Project"),
              new ChangelogItem(FieldType.CUSTOM, "My Number Field New", null, null, null, "1.45"));
      assertEquals(expected, chg2.getItems());
    }
    final Operations operations = issueWithChangelogAndOperations.getOperations();
    if (isJira5xOrNewer()) {
      assertThat(operations, notNullValue());
      assertThat(
          operations.getOperationById("log-work"),
          allOf(instanceOf(OperationLink.class), hasProperty("id", is("log-work"))));
    }
  }