Examples of org.apache.wicket.util.time.Time

org.apache.wicket.util.time.Time
An immutable Time class that represents a specific point in time. The underlying representation is a long value which holds a number of milliseconds since January 1, 1970, 0:00 GMT. To represent a duration of time, such as "6 seconds", use the Duration class. To represent a time period with a start and end time, use the TimeFrame class. To represent a time of day, use the TimeOfDay class. @author Jonathan Locke @since 1.2.6

  public Time lastModifiedTime()
  {
    try
    {
      // get url modification timestamp
      final Time time = Connections.getLastModified(url);


      // if timestamp changed: update content length and last modified date
      if (Objects.equal(time, lastModified) == false)
      {
        lastModified = time;

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    final Entry entry = modifiableToEntry.get(modifiable);


    // Found it?
    if (entry == null)
    {
      Time lastModifiedTime = modifiable.lastModifiedTime();
      if (lastModifiedTime != null)
      {
        // Construct new entry
        final Entry newEntry = new Entry();

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        {
          final Entry entry = iter.next();


          // If the modifiable has been modified after the last known
          // modification time
          final Time modifiableLastModified = entry.modifiable.lastModifiedTime();
          if ((modifiableLastModified != null) &&
            modifiableLastModified.after(entry.lastModifiedTime))
          {
            // Notify all listeners that the modifiable was modified
            entry.listeners.notifyListeners();


            // Update timestamp

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          // Get resource stream
          IResourceStream stream = resource.getResourceStream();


          // Get last modified time from stream
          Time time = stream.lastModifiedTime();


          try
          {
            stream.close();
          }
          catch (IOException e)
          {
            // ignore
          }


          return time != null ? time.getMilliseconds() : -1;
        }
      }
      catch (AbortException e)
      {
        return -1;

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    RequestParameters requestParameters = new RequestParameters();
    requestParameters.setResourceKey(resourceReference.getSharedResourceKey());
    if (getApplication().getResourceSettings().getAddLastModifiedTimeToResourceReferenceUrl() &&
      !Strings.isEmpty(resourceReference.getName()))
    {
      Time time = resourceReference.lastModifiedTime();
      if (time != null)
      {
        if (parameters == null)
        {
          parameters = new ValueMap();
          parameters.put("wicket:lm", new Long(time.getMilliseconds()));
        }
      }
    }


    requestParameters.setParameters(parameters);

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      return sendResourceError(resourceResponse, HttpServletResponse.SC_NOT_FOUND,
          "Unable to find resource");
    }


    // add Last-Modified header (to support HEAD requests and If-Modified-Since)
    final Time lastModified = resourceStream.lastModifiedTime();


    resourceResponse.setLastModified(lastModified);


    if (resourceResponse.dataNeedsToBeWritten(attributes))
    {

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    if (response instanceof WebResponse)
    {
      WebResponse webResponse = (WebResponse)response;


      // 1. Last Modified
      Time lastModified = data.getLastModified();
      if (lastModified != null)
      {
        webResponse.setLastModifiedTime(lastModified);
      }

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     *         <code>false</code> otherwise.
     */
    public boolean dataNeedsToBeWritten(Attributes attributes)
    {
      WebRequest request = (WebRequest)attributes.getRequest();
      Time ifModifiedSince = request.getIfModifiedSinceHeader();


      if (ifModifiedSince != null && lastModified != null)
      {
        // [Last-Modified] headers have a maximum precision of one second
        // so we have to truncate the milliseconds part for a proper compare.
        // that's stupid, since changes within one second will not be reliably
        // detected by the client ... any hint or clarification to improve this
        // situation will be appreciated...
        Time roundedLastModified = Time.millis(lastModified.getMilliseconds() / 1000 * 1000);


        return ifModifiedSince.before(roundedLastModified);
      }
      else
      {

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      // set Content-Type (may be null)
      resourceResponse.setContentType(resourceStream.getContentType());


      // add Last-Modified header (to support HEAD requests and If-Modified-Since)
      final Time lastModified = resourceStream.lastModifiedTime();


      if (lastModified != null)
        resourceResponse.setLastModified(lastModified);


      try

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  @Override
  protected ResourceResponse newResourceResponse(Attributes attributes)
  {
    ResourceResponse data = new ResourceResponse();
    Time lastModifiedTime = stream.lastModifiedTime();
    if (lastModifiedTime != null)
    {
      data.setLastModified(lastModifiedTime);
    }

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