Examples of org.apache.wicket.Response

org.apache.wicket.Response
Abstract base class for different implementations of response writing. A subclass must implement write(String) to write a String to the response destination (whether it be a browser, a file, a test harness or some other place). A subclass may optionally implement close(), encodeURL(String), redirect(String), isRedirect() or setContentType(String) as appropriate. @author Jonathan Locke

   * @see IComponentBorder#renderAfter(org.apache.wicket.Component)
   */
  public void renderAfter(Component component)
  {
    final MarkupStream stream = getMarkupStream(component);
    final Response response = component.getResponse();


    while (stream.hasMore())
    {
      MarkupElement e = stream.get();
      stream.next();
      if (e instanceof WicketTag)
      {
        WicketTag wt = (WicketTag)e;
        if (wt.isBorderTag() && wt.isClose())
        {
          break;
        }
        else
        {
          throw new WicketRuntimeException(
            "Unexpected tag encountered in markup of component border " +
              getClass().getName() + ". Tag: " + wt.toString() +
              ", expected tag: </wicket:border>");
        }
      }
      response.write(e.toCharSequence());
    }
  }

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  {
    super.onRendered(component);
    // Append the span and img icon right after the rendering of the
    // component. Not as pretty as working with a panel etc, but works
    // for behaviors and is more efficient
    Response response = component.getResponse();
    response.write("\n<span class=\"yui-skin-sam\">&nbsp;<span style=\"");
    if (renderOnLoad())
    {
      response.write("display:block;");
    }
    else
    {
      response.write("display:none;");
      response.write("position:absolute;");
    }
    response.write("z-index: 99999;\" id=\"");
    response.write(getEscapedComponentMarkupId());
    response.write("Dp\"></span><img style=\"");
    response.write(getIconStyle());
    response.write("\" id=\"");
    response.write(getIconId());
    response.write("\" src=\"");
    CharSequence iconUrl = getIconUrl();
    response.write(Strings.escapeMarkup(iconUrl != null ? iconUrl.toString() : ""));
    response.write("\" alt=\"\"/>");
    if (renderOnLoad())
    {
      response.write("<br style=\"clear:left;\"/>");
    }
    response.write("</span>");
  }

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   * @param page
   */
  public AjaxRequestTarget(Page page)
  {
    this.page = page;
    Response response = RequestCycle.get().getResponse();
    encodingBodyResponse = new AjaxResponse(response);
    encodingHeaderResponse = new AjaxResponse(response);
  }

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    component.setOutputMarkupId(true);


    // substitute our encoding response for the real one so we can capture
    // component's markup in a manner safe for transport inside CDATA block
    final Response originalResponse = response;
    encodingBodyResponse.reset();
    RequestCycle.get().setResponse(encodingBodyResponse);


    // Initialize temporary variables
    final Page page = (Page)component.findParent(Page.class);

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        component.getPage().add(header);
      }
    }


    // save old response, set new
    Response oldResponse = RequestCycle.get().setResponse(encodingHeaderResponse);


    encodingHeaderResponse.reset();


    // render the head of component and all it's children

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      RequestCycle.get().getResponse().write("</td>");
    }


    public void renderBefore(Component component)
    {
      Response response = RequestCycle.get().getResponse();
      Object parent = getParentNode(node);


      CharSequence classes[] = new CharSequence[level];
      for (int i = 0; i < level; ++i)
      {
        if (parent == null || isNodeLast(parent))
        {
          classes[i] = "spacer";
        }
        else
        {
          classes[i] = "line";
        }


        parent = getParentNode(parent);
      }


      for (int i = level - 1; i >= 0; --i)
      {
        response.write("<td class=\"" + classes[i] + "\"><span></span></td>");
      }


      if (isNodeLast(node))
      {
        response.write("<td class=\"half-line\">");
      }
      else
      {
        response.write("<td class=\"line\">");
      }
    }

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   * @see org.apache.wicket.IRequestTarget#respond(org.apache.wicket.RequestCycle)
   */
  public void respond(RequestCycle requestCycle)
  {
    // Get servlet response to use when responding with resource
    final Response response = requestCycle.getResponse();
    response.setContentType(contentType);
    final StringBufferResourceStream stream = new StringBufferResourceStream(contentType);
    stream.append(string);


    // Respond with resource
    try
    {
      final OutputStream out = response.getOutputStream();
      try
      {
        Streams.copy(stream.getInputStream(), out);
      }
      finally

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  /**
   * @see org.apache.wicket.IRequestTarget#respond(org.apache.wicket.RequestCycle)
   */
  public void respond(RequestCycle requestCycle)
  {
    Response response = requestCycle.getResponse();
    response.reset();
    if (redirectUrl.startsWith("/"))
    {
      RequestContext rc = RequestContext.get();
      String continueTo = null;
      if (rc.isPortletRequest() && ((PortletRequestContext)rc).isEmbedded())
      {
        response.redirect(redirectUrl);
      }
      else
      {
        response.redirect(RequestCycle.get()
          .getRequest()
          .getRelativePathPrefixToContextRoot() +
          redirectUrl.substring(1));
      }
    }
    else if (redirectUrl.startsWith("http://") || redirectUrl.startsWith("https://"))
    {
      response.redirect(redirectUrl);
    }
    else
    {
      response.redirect(RequestCycle.get()
        .getRequest()
        .getRelativePathPrefixToWicketHandler() +
        redirectUrl);
    }
  }

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   * @see org.apache.wicket.IComponentBorder#renderBefore(org.apache.wicket.Component)
   */
  public void renderBefore(Component component)
  {
    final MarkupStream stream = getMarkupStream(component);
    final Response response = component.getResponse();
    stream.setCurrentIndex(0);


    boolean insideBorderMarkup = false;
    while (stream.hasMore())
    {
      MarkupElement e = stream.next();
      if (e instanceof WicketTag)
      {
        WicketTag wt = (WicketTag)e;
        if (!insideBorderMarkup)
        {
          if (wt.isBorderTag() && wt.isOpen())
          {
            insideBorderMarkup = true;
            continue;
          }
          else
          {
            throw new WicketRuntimeException(
              "Unexpected tag encountered in markup of component border " +
                getClass().getName() + ". Tag: " + wt.toString() +
                ", expected tag: <wicket:border>");
          }
        }
        else
        {
          if (wt.isBodyTag())
          {
            break;
          }
          else
          {
            throw new WicketRuntimeException(
              "Unexpected tag encountered in markup of component border " +
                getClass().getName() + ". Tag: " + wt.toString() +
                ", expected tag: <wicket:body> or </wicket:body>");
          }
        }
      }
      if (insideBorderMarkup)
      {
        response.write(e.toCharSequence());
      }
    }


    if (!stream.hasMore())
    {

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   * @see IComponentBorder#renderAfter(org.apache.wicket.Component)
   */
  public void renderAfter(Component component)
  {
    final MarkupStream stream = getMarkupStream(component);
    final Response response = component.getResponse();


    while (stream.hasMore())
    {
      MarkupElement e = stream.next();
      if (e instanceof WicketTag)
      {
        WicketTag wt = (WicketTag)e;
        if (wt.isBorderTag() && wt.isClose())
        {
          break;
        }
        else
        {
          throw new WicketRuntimeException(
            "Unexpected tag encountered in markup of component border " +
              getClass().getName() + ". Tag: " + wt.toString() +
              ", expected tag: </wicket:border>");
        }
      }
      response.write(e.toCharSequence());
    }
  }

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