Examples of grails.plugin.cache.web.PageInfo

grails.plugin.cache.web.PageInfo
A Serializable representation of a {@link HttpServletResponse}. Based on net.sf.ehcache.constructs.web.PageInfo and grails.plugin.springcache.web.HeadersCategory. @author Adam Murdoch @author Greg Luck @author Rob Fletcher @author Burt Beckwith

          updates.putAll(status.updates);
        }
        // render cached response
        else {
          logRequestDetails(request, getContext(), "Caching enabled for request");
          PageInfo pageInfo = buildCachedPageInfo(request, response, status);
          writeResponse(request, response, pageInfo);
          return;
        }
      }


      logRequestDetails(request, getContext(), "Caching enabled for request");
      PageInfo pageInfo = buildNewPageInfo(request, response, chain, status, operationsByType);
      writeResponse(request, response, pageInfo);


      inspectAfterCacheEvicts(operationsByType.get(EVICT));


      if (!updates.isEmpty()) {

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    Timer timer = new Timer(getCachedUri(request));
    timer.start();


    String key = calculateKey(request);
    PageInfo pageInfo;
    try {
      // Page is not cached - build the response, cache it, and send to client
      pageInfo = buildPage(request, response, chain);
      if (pageInfo.isOk()) {
        Object noCache = pageInfo.getCacheDirectives().get("no-cache");
        if (noCache instanceof Boolean && ((Boolean)noCache)) {
          log.debug("Response ok but Cache-Control: no-cache is present, not caching");
          releaseCacheLocks(operationsByType, key);
        }
        else {
          Collection<Cache> caches = new ArrayList<Cache>();
          for (CacheOperationContext operationContext : operationsByType.get(UPDATE)) {
            for (Cache cache : operationContext.getCaches()) {
              caches.add(cache);
            }
          }
          update(caches, pageInfo, cacheStatus, key);
        }
      }
      else {
        for (CacheOperationContext operationContext : operationsByType.get(UPDATE)) {
          for (Cache cache : operationContext.getCaches()) {
            log.debug("Response not ok ({}). Putting null into cache {} with key {}",
                new Object[] { pageInfo.getStatusCode(), cache.getName(), key } );
          }
        }
        releaseCacheLocks(operationsByType, key);
      }
    }

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    Timer timer = new Timer(getCachedUri(request));
    timer.start();


    String key = calculateKey(request);
    PageInfo pageInfo;
    ValueWrapper element = cacheStatus.valueWrapper;
    log.debug("Serving cached content for {}", key);
    pageInfo = (PageInfo) element.get();


    for (Map.Entry<String, ? extends Serializable> entry : pageInfo.getRequestAttributes().entrySet()) {
      request.setAttribute(entry.getKey(), entry.getValue());
    }


    // As the page is cached, we need to add an instance of the associated
    // controller to the request. This is required by GrailsLayoutDecoratorMapper

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    String contentType = wrapper.getContentType();
    if (!StringUtils.hasLength(contentType)) {
      contentType = response.getContentType();
    }


    return new PageInfo(wrapper.getStatus(), contentType, out.toByteArray(),
      false, timeToLiveSeconds, wrapper.getAllHeaders(), wrapper.getCookies(), cacheableRequestAttributes);
  }

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          updates.putAll(status.updates);
        }
        // render cached response
        else {
          logRequestDetails(request, getContext(), "Caching enabled for request");
          PageInfo pageInfo = buildCachedPageInfo(request, response, status);
          writeResponse(request, response, pageInfo);
          return;
        }
      }


      logRequestDetails(request, getContext(), "Caching enabled for request");
      PageInfo pageInfo = buildNewPageInfo(request, response, chain, status, operationsByType);
      writeResponse(request, response, pageInfo);


      inspectAfterCacheEvicts(operationsByType.get(EVICT));


      if (!updates.isEmpty()) {

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    Timer timer = new Timer(getCachedUri(request));
    timer.start();


    String key = calculateKey(request);
    PageInfo pageInfo;
    try {
      // Page is not cached - build the response, cache it, and send to client
      pageInfo = buildPage(request, response, chain);
      if (pageInfo.isOk()) {
        Object noCache = pageInfo.getCacheDirectives().get("no-cache");
        if (noCache instanceof Boolean && ((Boolean)noCache)) {
          log.debug("Response ok but Cache-Control: no-cache is present, not caching");
          releaseCacheLocks(operationsByType, key);
        }
        else {
          Collection<Cache> caches = new ArrayList<Cache>();
          for (CacheOperationContext operationContext : operationsByType.get(UPDATE)) {
            for (Cache cache : operationContext.getCaches()) {
              caches.add(cache);
            }
          }
          update(caches, pageInfo, cacheStatus, key);
        }
      }
      else {
        for (CacheOperationContext operationContext : operationsByType.get(UPDATE)) {
          for (Cache cache : operationContext.getCaches()) {
            log.debug("Response not ok ({}). Putting null into cache {} with key {}",
                new Object[] { pageInfo.getStatusCode(), cache.getName(), key } );
          }
        }
        releaseCacheLocks(operationsByType, key);
      }
    }

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    Timer timer = new Timer(getCachedUri(request));
    timer.start();


    String key = calculateKey(request);
    PageInfo pageInfo;
    ValueWrapper element = cacheStatus.valueWrapper;
    try {
      log.debug("Serving cached content for {}", key);
      pageInfo = (PageInfo) element.get();


      for (Map.Entry<String, ? extends Serializable> entry : pageInfo.getRequestAttributes().entrySet()) {
        request.setAttribute(entry.getKey(), entry.getValue());
      }


      // As the page is cached, we need to add an instance of the associated
      // controller to the request. This is required by GrailsLayoutDecoratorMapper

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    String contentType = wrapper.getContentType();
    if (!StringUtils.hasLength(contentType)) {
      contentType = response.getContentType();
    }


    return new PageInfo(wrapper.getStatus(), contentType, out.toByteArray(),
      false, timeToLiveSeconds, wrapper.getAllHeaders(), wrapper.getCookies(), cacheableRequestAttributes);
  }

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