Examples of org.springframework.web.servlet.View

org.springframework.web.servlet.View
mazon.com/exec/obidos/tg/detail/-/0764543857/">Expert One-On-One J2EE Design and Development by Rod Johnson (Wrox, 2002).
View implementations may differ widely. An obvious implementation would be JSP-based. Other implementations might be XSLT-based, or use an HTML generation library. This interface is designed to avoid restricting the range of possible implementations.
Views should be beans. They are likely to be instantiated as beans by a ViewResolver. As this interface is stateless, view implementations should be thread-safe. @author Rod Johnson @author Arjen Poutsma @see org.springframework.web.servlet.view.AbstractView @see org.springframework.web.servlet.view.InternalResourceView


    if (returnValue == null) {
      return;
    }
    else if (returnValue instanceof View){
      View view = (View) returnValue;
      mavContainer.setView(view);
      if (view instanceof SmartView) {
        if (((SmartView) view).isRedirectView()) {
          mavContainer.setRedirectModelScenario(true);
        }

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      return createView(viewName, locale);
    }
    else {
      Object cacheKey = getCacheKey(viewName, locale);
      synchronized (this.viewCache) {
        View view = this.viewCache.get(cacheKey);
        if (view == null && (!this.cacheUnresolved || !this.viewCache.containsKey(cacheKey))) {
          // Ask the subclass to create the View object.
          view = createView(viewName, locale);
          if (view != null || this.cacheUnresolved) {
            this.viewCache.put(cacheKey, view);

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    RequestAttributes attrs = RequestContextHolder.getRequestAttributes();
    Assert.isInstanceOf(ServletRequestAttributes.class, attrs);
    List<MediaType> requestedMediaTypes = getMediaTypes(((ServletRequestAttributes) attrs).getRequest());
    if (requestedMediaTypes != null) {
      List<View> candidateViews = getCandidateViews(viewName, locale, requestedMediaTypes);
      View bestView = getBestView(candidateViews, requestedMediaTypes);
      if (bestView != null) {
        return bestView;
      }
    }
    if (this.useNotAcceptableStatusCode) {

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  private List<View> getCandidateViews(String viewName, Locale locale, List<MediaType> requestedMediaTypes)
      throws Exception {


    List<View> candidateViews = new ArrayList<View>();
    for (ViewResolver viewResolver : this.viewResolvers) {
      View view = viewResolver.resolveViewName(viewName, locale);
      if (view != null) {
        candidateViews.add(view);
      }
      for (MediaType requestedMediaType : requestedMediaTypes) {
        List<String> extensions = getExtensionsForMediaType(requestedMediaType);

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      return createView(viewName, locale);
    }
    else {
      Object cacheKey = getCacheKey(viewName, locale);
      synchronized (this.viewCache) {
        View view = this.viewCache.get(cacheKey);
        if (view == null && (!this.cacheUnresolved || !this.viewCache.containsKey(cacheKey))) {
          // Ask the subclass to create the View object.
          view = createView(viewName, locale);
          if (view != null || this.cacheUnresolved) {
            this.viewCache.put(cacheKey, view);

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    RequestAttributes attrs = RequestContextHolder.getRequestAttributes();
    Assert.isInstanceOf(ServletRequestAttributes.class, attrs);
    List<MediaType> requestedMediaTypes = getMediaTypes(((ServletRequestAttributes) attrs).getRequest());
    if (requestedMediaTypes != null) {
      List<View> candidateViews = getCandidateViews(viewName, locale, requestedMediaTypes);
      View bestView = getBestView(candidateViews, requestedMediaTypes, attrs);
      if (bestView != null) {
        return bestView;
      }
    }
    if (this.useNotAcceptableStatusCode) {

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  private List<View> getCandidateViews(String viewName, Locale locale, List<MediaType> requestedMediaTypes)
      throws Exception {


    List<View> candidateViews = new ArrayList<View>();
    for (ViewResolver viewResolver : this.viewResolvers) {
      View view = viewResolver.resolveViewName(viewName, locale);
      if (view != null) {
        candidateViews.add(view);
      }
      for (MediaType requestedMediaType : requestedMediaTypes) {
        List<String> extensions = this.contentNegotiationManager.resolveFileExtensions(requestedMediaType);

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   * @see org.springframework.beans.factory.InitializingBean#afterPropertiesSet
   */
  @Override
  protected View loadView(String viewName, Locale locale) throws Exception {
    AbstractUrlBasedView view = buildView(viewName);
    View result = applyLifecycleMethods(viewName, view);
    return (view.checkResource(locale) ? result : null);
  }

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      if (viewName != null && viewName.startsWith("redirect:")) {
        mavContainer.setRedirectModelScenario(true);
      }
    }
    else {
      View view = mav.getView();
      mavContainer.setView(view);
      if (view instanceof SmartView) {
        if (((SmartView) view).isRedirectView()) {
          mavContainer.setRedirectModelScenario(true);
        }

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                  NativeWebRequest webRequest) throws Exception {
    if (returnValue == null) {
      return;
    }
    else if (returnValue instanceof View){
      View view = (View) returnValue;
      mavContainer.setView(view);
      if (view instanceof SmartView) {
        if (((SmartView) view).isRedirectView()) {
          mavContainer.setRedirectModelScenario(true);
        }

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