Java Code Examples for org.joda.time.DateTime#minusMinutes()

public Map<String, Object> pullMetric(MetricContract metricContract, Map<String, String> settings) {
    ElasticsearchInfo elasticsearchInfo = new ElasticsearchInfo(metricContract.getDataSourceContract());
    EsRestClientContainer esRestClientContainer = elasticsearchSourceManager.findEsRestClientContainer(elasticsearchInfo);
    DateTime end = DateTime.now();
    DateTime start = end.minusMinutes(findTimeWindowInMinutes(settings));
    Map<String, Object> result = new HashMap<>();
    try {
        ElasticsearchMetric elasticsearchMetric = elasticsearchDataQuery.queryElasticsearchMetricValue(start, end, metricContract);
        result.put("NUMBER", elasticsearchMetric.getMetricValue());
        if (elasticsearchMetric.getLatestDocument() != null) {
            result.putAll(elasticsearchMetric.getLatestDocument());
        }
    } catch (IOException ex) {
        throw new RuntimeException("error when queryElasticsearchMetricValue", ex);
    }
    Map<String, String> dataNameProperties = metricContract.getDataNameContract().getSettings();
    String indexPrefix = dataNameProperties.get("indexPrefix");
    String datePattern = dataNameProperties.get("timePattern");
    String[] indices = esRestClientContainer.buildIndices(start, end, indexPrefix, datePattern);
    result.put("startTime", start.toDateTimeISO().toString());
    result.put("endTime", end.toDateTimeISO().toString());
    result.put("indices", indices);

    return result;
}
 

private OmObservation createObservation() {
    final InterpolationType type = TimeseriesMLConstants.InterpolationType.InstantTotal;
    DateTime now = new DateTime(DateTimeZone.UTC);
    TimeInstant resultTime = new TimeInstant(now);
    TimePeriod validTime = new TimePeriod(now.minusMinutes(5), now.plusMinutes(5));
    OmObservation observation = new OmObservation();
    OmObservationConstellation observationConstellation = new OmObservationConstellation();
    observationConstellation.setFeatureOfInterest(new SamplingFeature(new CodeWithAuthority("feature", CODE_SPACE)));
    observationConstellation.setObservableProperty(new OmObservableProperty("omobservableProperty"));
    observationConstellation.setDefaultPointMetadata(new DefaultPointMetadata()
            .setDefaultTVPMeasurementMetadata(new DefaultTVPMeasurementMetadata().setInterpolationtype(type)));
    observationConstellation.setObservationType(OmConstants.OBS_TYPE_OBSERVATION);
    observationConstellation.addOffering(OFFERING);
    AbstractFeature procedure = new SosProcedureDescriptionUnknownType(PROCEDURE);
    observationConstellation.setProcedure(procedure);
    observation.setObservationConstellation(observationConstellation);
    observation.setParameter(null);
    observation.setResultTime(resultTime);
    observation.setTokenSeparator(TOKEN_SEPERATOR);
    observation.setTupleSeparator(TUPLE_SEPERATOR);
    observation.setValidTime(validTime);
    observation.setValue(mv);
    return observation;
}
 

@Test
public void testRunWithLock_sftpCooldownNotPassed_throws204() {
  RdeUploadAction action = createAction(URI.create("sftp://user:[email protected]:32323/"));
  action.sftpCooldown = standardHours(2);
  DateTime stagingCursor = DateTime.parse("2010-10-18TZ");
  DateTime uploadCursor = DateTime.parse("2010-10-17TZ");
  DateTime sftpCursor = uploadCursor.minusMinutes(97); // Within the 2 hour cooldown period.
  persistResource(Cursor.create(RDE_STAGING, stagingCursor, Registry.get("tld")));
  persistResource(Cursor.create(RDE_UPLOAD_SFTP, sftpCursor, Registry.get("tld")));
  NoContentException thrown =
      assertThrows(NoContentException.class, () -> action.runWithLock(uploadCursor));
  assertThat(thrown)
      .hasMessageThat()
      .isEqualTo(
          "Waiting on 120 minute SFTP cooldown for TLD tld to send 2010-10-17T00:00:00.000Z "
              + "upload; last upload attempt was at 2010-10-16T22:23:00.000Z (97 minutes ago)");
}
 

/**
 * 根据结束时间和比较间隔类型获取开始时间
 *
 * @param end        结束时间
 * @param periodUnit 间隔类型
 * @return start time
 */
protected DateTime findStart(DateTime end, String periodUnit) {
    DateTime start;
    if (periodUnit.equalsIgnoreCase("HOUR")) {
        start = end.minusMinutes(60);
    } else if (periodUnit.equalsIgnoreCase("DAY")) {
        start = end.minusDays(1);
    } else {
        throw new IllegalArgumentException("unknown period unit: " + periodUnit);
    }
    return start;
}
 

private static DateTime getTheClosestTenRound(DateTime dt) {
    int minuteOfMinutesOfHour = dt.getMinuteOfHour() % 10;
    int diffToTen = 10 - minuteOfMinutesOfHour;
    return minuteOfMinutesOfHour >= diffToTen
            ? dt.plusMinutes(diffToTen)
            : dt.minusMinutes(minuteOfMinutesOfHour);
}
 

static ScheduledTime getFirstTileTime(ScheduledTime now, int zoomLevelMinutes) {
    DateTime dt = now.getDateTime();
    DateTime nextDay = toFullDay(dt.plusDays(1));
    DateTime t = nextDay;
    while(t.isAfter(dt)) {
        t = t.minusMinutes(zoomLevelMinutes);
    }
    return new ScheduledTime(t);
}
 

private String buildStreamDetailsURL(URI baseUri, AlertCondition.CheckResult checkResult, Stream stream) {
    // Return an informational message if the web interface URL hasn't been set
    if (baseUri == null || isNullOrEmpty(baseUri.getHost())) {
        return "Please configure 'transport_email_web_interface_url' in your Graylog configuration file.";
    }

    int time = 5;
    if (checkResult.getTriggeredCondition().getParameters().get("time") != null) {
        time = (int) checkResult.getTriggeredCondition().getParameters().get("time");
    }

    DateTime dateAlertEnd = checkResult.getTriggeredAt();
    DateTime dateAlertStart = dateAlertEnd.minusMinutes(time);
    String alertStart = Tools.getISO8601String(dateAlertStart);
    String alertEnd = Tools.getISO8601String(dateAlertEnd);

    AggregatesAlertCondition condition = (AggregatesAlertCondition) checkResult.getTriggeredCondition();

    String query = condition.getQuery();
    if (query != null && !"".equals(query)){
        try {
            query= "&q=" + URLEncoder.encode(query,"UTF-8");
        } catch (UnsupportedEncodingException e) {
            LOG.error("Failed to encode query [{}]", query );
        }
    } else {
        query = "";
    }

    return baseUri + "/streams/" + stream.getId() + "/messages?rangetype=absolute&from=" + alertStart + "&to=" + alertEnd + query;
}
 

@Test
public void fromTweetsMapAgeMinutes() {
    DateTime now = DateTime.now();
    DateTime sixMinutesAgo = now.minusMinutes(6);
    List<Tweet> tweets = new ArrayList<>();
    tweets.add(createTweet(dtf.print(sixMinutesAgo), null, null, null, null));

    List<TimelineItem> results = TimelineConverter.fromTweets(tweets, now);

    assertThat(results.get(0).getCreatedAt(), is(equalTo("6m")));
}
 

@Test
public void findDistinctStrings() throws Exception {
    DateTime end = now();
    DateTime start = end.minusMinutes(20);
    String tenantId = "Distinct Strings";
    MetricId<String> metricId = new MetricId<>(tenantId, STRING, "S1");

    Metric<String> metric = new Metric<>(metricId, asList(
            new DataPoint<>(start.getMillis(), "up"),
            new DataPoint<>(start.plusMinutes(1).getMillis(), "down"),
            new DataPoint<>(start.plusMinutes(2).getMillis(), "down"),
            new DataPoint<>(start.plusMinutes(3).getMillis(), "up"),
            new DataPoint<>(start.plusMinutes(4).getMillis(), "down"),
            new DataPoint<>(start.plusMinutes(5).getMillis(), "up"),
            new DataPoint<>(start.plusMinutes(6).getMillis(), "up"),
            new DataPoint<>(start.plusMinutes(7).getMillis(), "unknown"),
            new DataPoint<>(start.plusMinutes(8).getMillis(), "unknown"),
            new DataPoint<>(start.plusMinutes(9).getMillis(), "down"),
            new DataPoint<>(start.plusMinutes(10).getMillis(), "up")));

    doAction(() -> metricsService.addDataPoints(STRING, Observable.just(metric)));

    List<DataPoint<String>> actual = getOnNextEvents(() -> metricsService.findStringData(metricId,
            start.getMillis(), end.getMillis(), true, 0, Order.ASC));
    List<DataPoint<String>> expected = asList(
            metric.getDataPoints().get(0),
            metric.getDataPoints().get(1),
            metric.getDataPoints().get(3),
            metric.getDataPoints().get(4),
            metric.getDataPoints().get(5),
            metric.getDataPoints().get(7),
            metric.getDataPoints().get(9),
            metric.getDataPoints().get(10));

    assertEquals(actual, expected, "The string data does not match the expected values");
}
 

@Test
public void retrieveLatest() {
    final DateTime now = DateTime.now();
    final DependencyModel earlyDependencyModel = dependencyModel(now);
    final DependencyModel laterDependencyModel = new DependencyModel(
            earlyDependencyModel.getDependencyId(),
            now.plusMinutes(1),
            earlyDependencyModel.getTenacityConfiguration(),
            earlyDependencyModel.getUser(),
            earlyDependencyModel.getServiceId());
    final DependencyModel superEarlyModel = new DependencyModel(
            earlyDependencyModel.getDependencyId(),
            now.minusMinutes(1),
            earlyDependencyModel.getTenacityConfiguration(),
            earlyDependencyModel.getUser(),
            earlyDependencyModel.getServiceId());
    assertThat(jdbiStore.retrieveLatest(earlyDependencyModel.getDependencyId(), earlyDependencyModel.getServiceId()))
            .isEqualTo(Optional.empty());
    assertTrue(jdbiStore.store(earlyDependencyModel));
    assertThat(jdbiStore.retrieveLatest(earlyDependencyModel.getDependencyId(), earlyDependencyModel.getServiceId()))
            .isEqualTo(Optional.of(earlyDependencyModel));
    assertTrue(jdbiStore.store(laterDependencyModel));
    assertThat(jdbiStore.retrieveLatest(earlyDependencyModel.getDependencyId(), earlyDependencyModel.getServiceId()))
            .isEqualTo(Optional.of(laterDependencyModel));
    assertTrue(jdbiStore.store(superEarlyModel));
    assertThat(jdbiStore.retrieveLatest(earlyDependencyModel.getDependencyId(), earlyDependencyModel.getServiceId()))
            .isEqualTo(Optional.of(laterDependencyModel));
}
 

@Test
public void retrieveLatest() {
    final DateTime now = DateTime.now();
    final DependencyModel earlyDependencyModel = dependencyModel(now);
    final DependencyModel laterDependencyModel = new DependencyModel(
            earlyDependencyModel.getDependencyId(),
            now.plusMinutes(1),
            earlyDependencyModel.getTenacityConfiguration(),
            earlyDependencyModel.getUser(),
            earlyDependencyModel.getServiceId());
    final DependencyModel superEarlyModel = new DependencyModel(
            earlyDependencyModel.getDependencyId(),
            now.minusMinutes(1),
            earlyDependencyModel.getTenacityConfiguration(),
            earlyDependencyModel.getUser(),
            earlyDependencyModel.getServiceId());
    assertThat(dependencyDB.findLatest(earlyDependencyModel.getDependencyId(), earlyDependencyModel.getServiceId()))
            .isNull();
    assertThat(dependencyDB.insert(earlyDependencyModel)).isEqualTo(1);
    assertThat(dependencyDB.findLatest(earlyDependencyModel.getDependencyId(), earlyDependencyModel.getServiceId()))
            .isEqualTo(earlyDependencyModel);
    assertThat(dependencyDB.insert(laterDependencyModel)).isEqualTo(1);
    assertThat(dependencyDB.findLatest(earlyDependencyModel.getDependencyId(), earlyDependencyModel.getServiceId()))
            .isEqualTo(laterDependencyModel);
    assertThat(dependencyDB.insert(superEarlyModel)).isEqualTo(1);
    assertThat(dependencyDB.findLatest(earlyDependencyModel.getDependencyId(), earlyDependencyModel.getServiceId()))
            .isEqualTo(laterDependencyModel);
}
 

private TimedCacheValue(OAuthResponse value, DateTime expiresAt) {
    this.value = value;
    //Setting a buffer of 5 minutes for refresh
    this.expiresAt = expiresAt.minusMinutes(5);
}
 

@Override
public DateTime getNextAlarmDate(DateTime executionDate) {
    return executionDate.minusMinutes(ItemsBuilderData.getOneSleepCycleDurationInMinutes());
}
 

protected OmObservation createComplexObservation() {
        DateTime now = new DateTime(DateTimeZone.UTC);
        TimeInstant resultTime = new TimeInstant(now);
        TimeInstant phenomenonTime = new TimeInstant(now);
        TimePeriod validTime = new TimePeriod(now.minusMinutes(5), now.plusMinutes(5));
        OmObservation observation = new OmObservation();
        OmObservationConstellation observationConstellation = new OmObservationConstellation();
        observationConstellation.setFeatureOfInterest(new SamplingFeature(new CodeWithAuthority("feature", CODE_SPACE)));
        OmCompositePhenomenon observableProperty = new OmCompositePhenomenon(PARENT_OBSERVABLE_PROPERTY);
        observableProperty.addPhenomenonComponent(new OmObservableProperty(CHILD_OBSERVABLE_PROPERTY_1));
        observableProperty.addPhenomenonComponent(new OmObservableProperty(CHILD_OBSERVABLE_PROPERTY_2));
        observableProperty.addPhenomenonComponent(new OmObservableProperty(CHILD_OBSERVABLE_PROPERTY_3));
        observableProperty.addPhenomenonComponent(new OmObservableProperty(CHILD_OBSERVABLE_PROPERTY_4));
        observationConstellation.setObservableProperty(observableProperty);
        observationConstellation.setObservationType(OmConstants.OBS_TYPE_COMPLEX_OBSERVATION);
        observationConstellation.addOffering(OFFERING);
        AbstractFeature procedure = new SosProcedureDescriptionUnknownType(PROCEDURE);
//        procedure.setIdentifier(new CodeWithAuthority(PROCEDURE, CODE_SPACE));
        observationConstellation.setProcedure(procedure);
        observation.setObservationConstellation(observationConstellation);
        observation.setParameter(null);
        observation.setResultTime(resultTime);
        observation.setTokenSeparator(TOKEN_SEPERATOR);
        observation.setTupleSeparator(TUPLE_SEPERATOR);
        observation.setValidTime(validTime);
        ComplexValue complexValue = new ComplexValue();
        SweDataRecord sweDataRecord = new SweDataRecord();
        SweQuantity sweQuantity = new SweQuantity();
        sweQuantity.setDefinition(CHILD_OBSERVABLE_PROPERTY_1);
        sweQuantity.setUom("unit");
        sweQuantity.setValue(42.0);
        sweDataRecord.addField(new SweField(CHILD_OBSERVABLE_PROPERTY_1_NAME, sweQuantity));
        SweBoolean sweBoolean = new SweBoolean();
        sweBoolean.setValue(Boolean.TRUE);
        sweBoolean.setDefinition(CHILD_OBSERVABLE_PROPERTY_2);
        sweDataRecord.addField(new SweField(CHILD_OBSERVABLE_PROPERTY_2_NAME, sweBoolean));
        SweCount sweCount = new SweCount();
        sweCount.setDefinition(CHILD_OBSERVABLE_PROPERTY_3);
        sweCount.setValue(42);
        sweDataRecord.addField(new SweField(CHILD_OBSERVABLE_PROPERTY_3_NAME, sweCount));
        SweText sweText = new SweText();
        sweText.setDefinition(CHILD_OBSERVABLE_PROPERTY_4);
        sweText.setValue("42");
        sweDataRecord.addField(new SweField(CHILD_OBSERVABLE_PROPERTY_4_NAME, sweText));
        SweCategory sweCategory = new SweCategory();
        sweCategory.setDefinition(CHILD_OBSERVABLE_PROPERTY_5);
        sweCategory.setCodeSpace(CODE_SPACE);
        sweCategory.setValue("52");
        sweDataRecord.addField(new SweField(CHILD_OBSERVABLE_PROPERTY_5_NAME, sweCategory));
        complexValue.setValue(sweDataRecord);
        observation.setValue(new SingleObservationValue<>(phenomenonTime, complexValue));
        return observation;
    }
 

private static Assertion buildSAML2Assertion(
        String baseUrl,
        String subjectNameId,
        String subjectNameIdFormat,
        String subjectNameIdQualifier,
        String idpId,
        String clientKey,
        boolean includeClientKeyAttribute)
{
    // Bootstrap the OpenSAML library
    try {
        DefaultBootstrap.bootstrap();
    } catch (ConfigurationException e) {
    }

    DateTime issueInstant = new DateTime();
    DateTime notOnOrAfter = issueInstant.plusMinutes(10);
    DateTime notBefore = issueInstant.minusMinutes(10);
    
    NameID nameID = (new NameIDBuilder().buildObject());
    if (subjectNameIdFormat.equals("email")) {
        nameID.setFormat(NameIDType.EMAIL);
    } else if (subjectNameIdFormat.equals("unspecified")) {
        nameID.setFormat(NameIDType.UNSPECIFIED);
    } else {
        throw new IllegalArgumentException("subjectNameIdFormat must be 'email' or 'unspecified'.");
    }
    if (subjectNameIdQualifier != null) {
        nameID.setNameQualifier(subjectNameIdQualifier);
    }
    nameID.setValue(subjectNameId);
    
    SubjectConfirmationData subjectConfirmationData = (new SubjectConfirmationDataBuilder().buildObject());
    subjectConfirmationData.setRecipient(baseUrl + ACCESS_TOKEN_URL_PATH);
    subjectConfirmationData.setNotOnOrAfter(notOnOrAfter);
    
    SubjectConfirmation subjectConfirmation = (new SubjectConfirmationBuilder().buildObject());
    subjectConfirmation.setMethod(SubjectConfirmation.METHOD_BEARER);
    subjectConfirmation.setSubjectConfirmationData(subjectConfirmationData);

    Subject subject = (new SubjectBuilder().buildObject());
    subject.setNameID(nameID);
    subject.getSubjectConfirmations().add(subjectConfirmation);
    
    Issuer issuer = (new IssuerBuilder().buildObject());
    issuer.setValue(idpId);
    
    Audience audience = (new AudienceBuilder().buildObject());
    audience.setAudienceURI(SP_ID_JAM);
    
    AudienceRestriction audienceRestriction = (new AudienceRestrictionBuilder().buildObject());
    audienceRestriction.getAudiences().add(audience);
    
    Conditions conditions = (new ConditionsBuilder().buildObject());
    conditions.setNotBefore(notBefore);
    conditions.setNotOnOrAfter(notOnOrAfter);
    conditions.getAudienceRestrictions().add(audienceRestriction);
   
    Assertion assertion = (new AssertionBuilder().buildObject());
    assertion.setID(UUID.randomUUID().toString());
    assertion.setVersion(SAMLVersion.VERSION_20);
    assertion.setIssueInstant(issueInstant);
    assertion.setIssuer(issuer);
    assertion.setSubject(subject);
    assertion.setConditions(conditions);
    
    if (includeClientKeyAttribute) {
        XSString attributeValue = (XSString)Configuration.getBuilderFactory().getBuilder(XSString.TYPE_NAME).buildObject(AttributeValue.DEFAULT_ELEMENT_NAME, XSString.TYPE_NAME);
        attributeValue.setValue(clientKey);

        Attribute attribute = (new AttributeBuilder().buildObject());
        attribute.setName("client_id");
        attribute.getAttributeValues().add(attributeValue);

        AttributeStatement attributeStatement = (new AttributeStatementBuilder().buildObject());
        attributeStatement.getAttributes().add(attribute);
        assertion.getAttributeStatements().add(attributeStatement);
    }

    return assertion;
}
 

public static String buildSignedSAML2Assertion(
    final String idpId,
    final String destinationUri,
    
    final String subjectNameId,
    final String subjectNameIdFormat,
    final String subjectNameIdQualifier,

    final PrivateKey idpPrivateKey,
    final X509Certificate idpCertificate,
    final String spJamId,
    final Map<String, List<Object>> attributes) throws Exception {
            
    // Bootstrap the OpenSAML library
    try {
        DefaultBootstrap.bootstrap();
    } catch (ConfigurationException e) {
        
    }

    DateTime issueInstant = new DateTime();
    DateTime notOnOrAfter = issueInstant.plusMinutes(10);
    DateTime notBefore = issueInstant.minusMinutes(10);
    
    NameID nameID = makeEmailFormatName(subjectNameId, subjectNameIdFormat, subjectNameIdQualifier);
    
    SubjectConfirmationData subjectConfirmationData = (new SubjectConfirmationDataBuilder().buildObject());
    subjectConfirmationData.setRecipient(destinationUri);
    subjectConfirmationData.setNotOnOrAfter(notOnOrAfter);
    
    SubjectConfirmation subjectConfirmation = (new SubjectConfirmationBuilder().buildObject());
    subjectConfirmation.setMethod(SubjectConfirmation.METHOD_BEARER);
    subjectConfirmation.setSubjectConfirmationData(subjectConfirmationData);

    Subject subject = (new SubjectBuilder().buildObject());
    subject.setNameID(nameID);
    subject.getSubjectConfirmations().add(subjectConfirmation);
    
    Issuer issuer = (new IssuerBuilder().buildObject());
    issuer.setValue(idpId);
    
    Audience audience = (new AudienceBuilder().buildObject());
    audience.setAudienceURI(spJamId);
    
    AudienceRestriction audienceRestriction = (new AudienceRestrictionBuilder().buildObject());
    audienceRestriction.getAudiences().add(audience);
    
    Conditions conditions = (new ConditionsBuilder().buildObject());
    conditions.setNotBefore(notBefore);
    conditions.setNotOnOrAfter(notOnOrAfter);
    conditions.getAudienceRestrictions().add(audienceRestriction);
   
    Assertion assertion = (new AssertionBuilder().buildObject());
    assertion.setID(UUID.randomUUID().toString());
    assertion.setVersion(SAMLVersion.VERSION_20);
    assertion.setIssueInstant(issueInstant);
    assertion.setIssuer(issuer);
    assertion.setSubject(subject);
    assertion.setConditions(conditions);

    return signAssertion(assertion, idpPrivateKey);
}
 

Object GetSmallerValue(Object v) {
    byte type = DataType.findType(v);

    if (type == DataType.BAG || type == DataType.TUPLE
            || type == DataType.MAP)
        return null;

    switch (type) {
    case DataType.CHARARRAY:
        String str = (String) v;
        if (str.length() > 0)
            return str.substring(0, str.length() - 1);
        else
            return null;
    case DataType.BYTEARRAY:
        DataByteArray data = (DataByteArray) v;
        if (data.size() > 0)
            return new DataByteArray(data.get(), 0, data.size() - 1);
        else
            return null;
    case DataType.INTEGER:
        return Integer.valueOf((Integer) v - 1);
    case DataType.LONG:
        return Long.valueOf((Long) v - 1);
    case DataType.FLOAT:
        return Float.valueOf((Float) v - 1);
    case DataType.DOUBLE:
        return Double.valueOf((Double) v - 1);
    case DataType.BIGINTEGER:
        return ((BigInteger)v).subtract(BigInteger.ONE);
    case DataType.BIGDECIMAL:
        return ((BigDecimal)v).subtract(BigDecimal.ONE);
    case DataType.DATETIME:
        DateTime dt = (DateTime) v;
        if (dt.getMillisOfSecond() != 0) {
            return dt.minusMillis(1);
        } else if (dt.getSecondOfMinute() != 0) {
            return dt.minusSeconds(1);
        } else if (dt.getMinuteOfHour() != 0) {
            return dt.minusMinutes(1);
        } else if (dt.getHourOfDay() != 0) {
            return dt.minusHours(1);
        } else {
            return dt.minusDays(1);
        }
    default:
        return null;
    }

}
 

private Calendar getClassCalendar(User user, DateTime validity, HttpServletRequest request) {

        List<EventBean> allEvents = getClasses(user);
        String url = CoreConfiguration.getConfiguration().applicationUrl() + "/login";
        EventBean event =
                new EventBean("Renovar a chave do calendario.", validity.minusMinutes(30), validity.plusMinutes(30), false, null,
                        url, "A sua chave de sincronização do calendario vai expirar. Diriga-se ao Fénix para gerar nova chave");

        allEvents.add(event);

        return CalendarFactory.createCalendar(allEvents);

    }
 

@Test
public void subtract_minutes_from_date_in_java_with_joda () {
	
	DateTime newYearsDay = new DateTime(2013, 1, 1, 0, 0, 0, 0);
	DateTime newYearsEve = newYearsDay.minusMinutes(1);

	DateTimeFormatter fmt = DateTimeFormat.forPattern("MM/dd/yyyy HH:mm:ss z");
	
	logger.info(newYearsDay.toString(fmt));
	logger.info(newYearsEve.toString(fmt));

	assertTrue(newYearsEve.isBefore(newYearsDay));
}
 

private Calendar getExamsCalendar(User user, DateTime validity, HttpServletRequest request) {

        List<EventBean> allEvents = getExams(user);

        String url = CoreConfiguration.getConfiguration().applicationUrl() + "/login";
        EventBean event =
                new EventBean("Renovar a chave do calendario.", validity.minusMinutes(30), validity.plusMinutes(30), false, null,
                        url, "A sua chave de sincronização do calendario vai expirar. Diriga-se ao Fénix para gerar nova chave");

        allEvents.add(event);

        return CalendarFactory.createCalendar(allEvents);

    }