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package org.apache.jetspeed.aggregator.impl; |
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import java.util.Collection; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.Map; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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import org.apache.commons.lang.StringEscapeUtils; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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import org.apache.jetspeed.JetspeedActions; |
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import org.apache.jetspeed.PortalReservedParameters; |
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import org.apache.jetspeed.aggregator.ContentDispatcher; |
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import org.apache.jetspeed.aggregator.ContentDispatcherCtrl; |
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import org.apache.jetspeed.aggregator.FailedToRenderFragmentException; |
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import org.apache.jetspeed.aggregator.PortletAccessDeniedException; |
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import org.apache.jetspeed.aggregator.PortletContent; |
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import org.apache.jetspeed.aggregator.PortletRenderer; |
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import org.apache.jetspeed.aggregator.PortletTrackingManager; |
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import org.apache.jetspeed.aggregator.RenderingJob; |
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import org.apache.jetspeed.aggregator.UnknownPortletDefinitionException; |
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import org.apache.jetspeed.aggregator.WorkerMonitor; |
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import org.apache.jetspeed.cache.CacheElement; |
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import org.apache.jetspeed.cache.ContentCacheKey; |
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import org.apache.jetspeed.cache.JetspeedCache; |
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import org.apache.jetspeed.components.portletentity.PortletEntityNotStoredException; |
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import org.apache.jetspeed.container.window.FailedToRetrievePortletWindow; |
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import org.apache.jetspeed.container.window.PortletWindowAccessor; |
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import org.apache.jetspeed.om.common.LocalizedField; |
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import org.apache.jetspeed.om.common.portlet.MutablePortletEntity; |
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import org.apache.jetspeed.om.common.portlet.PortletDefinitionComposite; |
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import org.apache.jetspeed.om.page.ContentFragment; |
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import org.apache.jetspeed.request.RequestContext; |
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import org.apache.jetspeed.security.SecurityAccessController; |
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import org.apache.jetspeed.services.title.DynamicTitleService; |
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import org.apache.jetspeed.statistics.PortalStatistics; |
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import org.apache.pluto.PortletContainer; |
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import org.apache.pluto.om.entity.PortletEntity; |
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import org.apache.pluto.om.window.PortletWindow; |
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public class PortletRendererImpl implements PortletRenderer |
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{ |
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protected final static Log log = LogFactory.getLog(PortletRendererImpl.class); |
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protected WorkerMonitor workMonitor; |
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protected PortletContainer container; |
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protected PortletWindowAccessor windowAccessor; |
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protected PortalStatistics statistics; |
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protected DynamicTitleService addTitleService; |
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protected PortletTrackingManager portletTracking; |
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protected boolean checkSecurityConstraints; |
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protected SecurityAccessController accessController; |
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protected JetspeedCache portletContentCache; |
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protected boolean overrideTitles = false; |
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public static final String OUT_OF_SERVICE_MESSAGE = "Portlet is not responding and has been taken out of service."; |
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public PortletRendererImpl(PortletContainer container, |
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PortletWindowAccessor windowAccessor, |
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WorkerMonitor workMonitor, |
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PortalStatistics statistics, |
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DynamicTitleService addTitleService, |
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PortletTrackingManager portletTracking, |
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boolean checkSecurityConstraints, |
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SecurityAccessController accessController, |
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JetspeedCache portletContentCache, |
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boolean overrideTitles) |
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{ |
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this.container = container; |
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this.windowAccessor = windowAccessor; |
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this.workMonitor = workMonitor; |
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this.statistics = statistics; |
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this.addTitleService = addTitleService; |
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this.portletTracking = portletTracking; |
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this.checkSecurityConstraints = checkSecurityConstraints; |
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this.accessController = accessController; |
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this.portletContentCache = portletContentCache; |
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this.overrideTitles = overrideTitles; |
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} |
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public PortletRendererImpl(PortletContainer container, |
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PortletWindowAccessor windowAccessor, |
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WorkerMonitor workMonitor, |
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PortalStatistics statistics, |
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DynamicTitleService addTitleService, |
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PortletTrackingManager portletTracking, |
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boolean checkSecurityConstraints, |
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SecurityAccessController accessController, |
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JetspeedCache portletContentCache) |
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{ |
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this(container, windowAccessor, workMonitor, statistics, |
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addTitleService, portletTracking, checkSecurityConstraints, |
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accessController, portletContentCache, false); |
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} |
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public PortletRendererImpl(PortletContainer container, |
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PortletWindowAccessor windowAccessor, |
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WorkerMonitor workMonitor, |
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PortalStatistics statistics, |
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DynamicTitleService addTitleService) |
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{ |
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this(container, windowAccessor, workMonitor, statistics, null, class="keyword">null, false, class="keyword">null, class="keyword">null, true); |
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} |
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public PortletRendererImpl(PortletContainer container, |
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PortletWindowAccessor windowAccessor, |
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WorkerMonitor workMonitor, |
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PortalStatistics statistics) |
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{ |
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this( container, windowAccessor, workMonitor, statistics, null ); |
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} |
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public PortletRendererImpl(PortletContainer container, |
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PortletWindowAccessor windowAccessor, |
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WorkerMonitor workMonitor) |
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{ |
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this( container, windowAccessor, workMonitor, null ); |
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} |
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public void start() |
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{ |
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} |
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public void stop() |
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{ |
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} |
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public void renderNow( ContentFragment fragment, RequestContext requestContext ) |
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{ |
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HttpServletRequest servletRequest =null; |
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HttpServletResponse servletResponse = null; |
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ContentDispatcherCtrl dispatcher = null; |
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boolean contentIsCached = false; |
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try |
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{ |
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PortletWindow portletWindow = getPortletWindow(fragment); |
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PortletDefinitionComposite portletDefinition = |
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(PortletDefinitionComposite) portletWindow.getPortletEntity().getPortletDefinition(); |
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if (checkSecurityConstraints && !checkSecurityConstraint(portletDefinition, fragment)) |
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{ |
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throw new PortletAccessDeniedException("Access Denied."); |
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} |
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if (portletTracking.isOutOfService(portletWindow)) |
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{ |
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log.info("Taking portlet out of service: " + portletDefinition.getUniqueName() + " for window " + fragment.getId()); |
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fragment.overrideRenderedContent(OUT_OF_SERVICE_MESSAGE); |
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return; |
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} |
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long timeoutMetadata = this.getTimeoutOnJob(portletDefinition); |
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portletTracking.setExpiration(portletWindow, timeoutMetadata); |
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int expirationCache = getExpirationCache(portletDefinition); |
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if (expirationCache != 0) |
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{ |
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if (retrieveCachedContent(requestContext, fragment, portletWindow, expirationCache, portletDefinition)) |
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return; |
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contentIsCached = true; |
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} |
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if (dispatcher == null) |
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{ |
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dispatcher = createDispatcher(requestContext, fragment, expirationCache); |
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} |
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servletRequest = requestContext.getRequestForWindow(portletWindow); |
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servletResponse = dispatcher.getResponseForWindow(portletWindow, requestContext); |
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RenderingJob rJob = |
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buildRenderingJob(portletWindow, fragment, servletRequest, servletResponse, |
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requestContext, false, portletDefinition, dispatcher, null, |
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expirationCache, contentIsCached, timeoutMetadata); |
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rJob.execute(); |
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addTitleToHeader( portletWindow, fragment, servletRequest, servletResponse, dispatcher, contentIsCached); |
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} |
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catch (PortletAccessDeniedException e) |
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{ |
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fragment.overrideRenderedContent(e.getLocalizedMessage()); |
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} |
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catch (Exception e) |
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{ |
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fragment.overrideRenderedContent(e.getLocalizedMessage()); |
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log.error(e.toString(), e); |
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} |
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} |
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public void renderNow( ContentFragment fragment, HttpServletRequest request, HttpServletResponse response ) |
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{ |
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RequestContext requestContext = (RequestContext) request |
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.getAttribute(PortalReservedParameters.REQUEST_CONTEXT_ATTRIBUTE); |
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renderNow(fragment, requestContext); |
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} |
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protected int getExpirationCache(PortletDefinitionComposite portletDefinition) |
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{ |
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if (portletDefinition == null) |
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return 0; |
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String expiration = portletDefinition.getExpirationCache(); |
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if (expiration == null) |
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return 0; |
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return Integer.parseInt(expiration); |
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} |
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public RenderingJob render( ContentFragment fragment, RequestContext requestContext ) |
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{ |
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RenderingJob job = null; |
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try |
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job = createRenderingJob(fragment, requestContext); |
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} |
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catch (Exception e) |
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{ |
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log.error("render() failed: " + e.toString(), e); |
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fragment.overrideRenderedContent(e.getLocalizedMessage()); |
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} |
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if (job != null) |
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{ |
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processRenderingJob(job, true); |
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} |
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return job; |
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} |
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public RenderingJob createRenderingJob(ContentFragment fragment, RequestContext requestContext) |
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{ |
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RenderingJob job = null; |
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boolean contentIsCached = false; |
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try |
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{ |
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PortletWindow portletWindow = getPortletWindow(fragment); |
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PortletDefinitionComposite portletDefinition = |
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(PortletDefinitionComposite) portletWindow.getPortletEntity().getPortletDefinition(); |
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long timeoutMetadata = this.getTimeoutOnJob(portletDefinition); |
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portletTracking.setExpiration(portletWindow, timeoutMetadata); |
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if (checkSecurityConstraints && !checkSecurityConstraint(portletDefinition, fragment)) |
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{ |
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throw new PortletAccessDeniedException("Access Denied."); |
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} |
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if (portletTracking.isOutOfService(portletWindow)) |
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{ |
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fragment.overrideRenderedContent(OUT_OF_SERVICE_MESSAGE); |
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return null; |
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} |
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int expirationCache = getExpirationCache(portletDefinition); |
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if (expirationCache != 0) |
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{ |
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portletTracking.setExpiration(portletWindow, expirationCache); |
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contentIsCached = retrieveCachedContent(requestContext, fragment, portletWindow, |
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expirationCache, portletDefinition); |
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if (contentIsCached) |
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{ |
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return null; |
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} |
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} |
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job = buildRenderingJob( portletWindow, fragment, requestContext, true, |
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portletDefinition, null, contentIsCached, timeoutMetadata ); |
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} |
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catch (Exception e) |
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{ |
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throw new RuntimeException("Failed to create rendering job", e); |
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} |
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return job; |
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} |
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public void processRenderingJob(RenderingJob job) |
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{ |
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processRenderingJob(job, false); |
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} |
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protected void processRenderingJob(RenderingJob job, boolean parallelOnly) |
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{ |
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ContentFragment fragment = null; |
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try |
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{ |
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if (parallelOnly || job.getTimeout() > 0) |
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{ |
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workMonitor.process(job); |
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} |
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else |
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{ |
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job.execute(); |
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addTitleToHeader(job.getWindow(), job.getFragment(), |
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job.getRequest(), job.getResponse(), job.getDispatcher(), |
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job.isContentCached()); |
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} |
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} |
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catch (Exception e1) |
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{ |
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log.error("render() failed: " + e1.toString(), e1); |
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fragment.overrideRenderedContent(e1.getLocalizedMessage()); |
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} |
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} |
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protected boolean retrieveCachedContent(RequestContext requestContext, ContentFragment fragment, |
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PortletWindow portletWindow, int expiration, |
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PortletDefinitionComposite portletDefinition) |
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throws Exception |
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{ |
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ContentCacheKey cacheKey = portletContentCache.createCacheKey(requestContext, fragment.getId()); |
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CacheElement cachedElement = portletContentCache.get(cacheKey); |
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if (cachedElement != null) |
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{ |
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PortletContent portletContent = (PortletContent)cachedElement.getContent(); |
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fragment.setPortletContent(portletContent); |
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ContentDispatcherCtrl dispatcher = new ContentDispatcherImpl(portletContent); |
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HttpServletRequest servletRequest = requestContext.getRequestForWindow(portletWindow); |
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this.addTitleService.setDynamicTitle(portletWindow, servletRequest, dispatcher.getPortletContent(fragment).getTitle()); |
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return true; |
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} |
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return false; |
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} |
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public ContentDispatcherCtrl createDispatcher(RequestContext request, ContentFragment fragment, int expirationCache) |
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{ |
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ContentCacheKey cacheKey = portletContentCache.createCacheKey(request, fragment.getId()); |
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PortletContent content = new PortletContentImpl(this, cacheKey, expirationCache); |
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ContentDispatcherCtrl dispatcher = new ContentDispatcherImpl(content); |
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return dispatcher; |
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} |
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public ContentDispatcher getDispatcher( RequestContext request, boolean isParallel ) |
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{ |
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return request.getContentDispatcher(); |
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} |
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protected PortletWindow getPortletWindow( ContentFragment fragment ) throws FailedToRetrievePortletWindow, PortletEntityNotStoredException |
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{ |
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PortletWindow portletWindow = windowAccessor.getPortletWindow(fragment); |
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|
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if (portletWindow == null) |
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{ |
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throw new FailedToRetrievePortletWindow("Portlet Window creation failed for fragment: " |
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+ fragment.getId() + ", " + fragment.getName()); |
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} |
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PortletEntity portletEntity = portletWindow.getPortletEntity(); |
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((MutablePortletEntity)portletEntity).setFragment(fragment); |
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return portletWindow; |
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} |
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protected RenderingJob buildRenderingJob( PortletWindow portletWindow, ContentFragment fragment, |
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RequestContext requestContext, boolean isParallel, |
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PortletDefinitionComposite portletDefinition, |
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PortletContent portletContent, boolean contentIsCached, long timeoutMetadata) |
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throws PortletAccessDeniedException, FailedToRetrievePortletWindow, PortletEntityNotStoredException |
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{ |
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int expirationCache = getExpirationCache(portletDefinition); |
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ContentDispatcherCtrl dispatcher = createDispatcher(requestContext, fragment, expirationCache); |
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HttpServletRequest request = requestContext.getRequestForWindow(portletWindow); |
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HttpServletResponse response = dispatcher.getResponseForWindow(portletWindow, requestContext); |
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|
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return buildRenderingJob( portletWindow, fragment, request, response, |
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requestContext, isParallel, |
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portletDefinition, dispatcher, |
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portletContent, expirationCache, contentIsCached, timeoutMetadata ); |
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} |
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protected RenderingJob buildRenderingJob( PortletWindow portletWindow, ContentFragment fragment, |
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HttpServletRequest request, HttpServletResponse response, |
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RequestContext requestContext, boolean isParallel, |
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PortletDefinitionComposite portletDefinition, |
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ContentDispatcherCtrl dispatcher, |
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PortletContent portletContent, |
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int expirationCache, boolean contentIsCached, long timeoutMetadata) |
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throws PortletAccessDeniedException, FailedToRetrievePortletWindow, PortletEntityNotStoredException |
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{ |
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RenderingJob rJob = null; |
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|
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request.setAttribute(PortalReservedParameters.PAGE_ATTRIBUTE, requestContext.getPage()); |
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request.setAttribute(PortalReservedParameters.FRAGMENT_ATTRIBUTE, fragment); |
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request.setAttribute(PortalReservedParameters.CONTENT_DISPATCHER_ATTRIBUTE, dispatcher); |
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request.setAttribute(PortalReservedParameters.REQUEST_CONTEXT_ATTRIBUTE, requestContext); |
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request.setAttribute(PortalReservedParameters.REQUEST_CONTEXT_OBJECTS, requestContext.getObjects()); |
478 |
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request.setAttribute(PortalReservedParameters.PATH_ATTRIBUTE, requestContext.getAttribute(PortalReservedParameters.PATH_ATTRIBUTE)); |
479 |
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request.setAttribute(PortalReservedParameters.PORTLET_WINDOW_ATTRIBUTE, portletWindow); |
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|
481 |
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if (portletContent == null) |
482 |
|
{ |
483 |
0 |
portletContent = dispatcher.getPortletContent(fragment); |
484 |
0 |
fragment.setPortletContent(portletContent); |
485 |
|
} |
486 |
|
|
487 |
0 |
if (isParallel) |
488 |
|
{ |
489 |
0 |
Map workerAttrs = new HashMap(); |
490 |
0 |
workerAttrs.put(PortalReservedParameters.PAGE_ATTRIBUTE, requestContext.getPage()); |
491 |
0 |
workerAttrs.put(PortalReservedParameters.FRAGMENT_ATTRIBUTE, fragment); |
492 |
0 |
workerAttrs.put(PortalReservedParameters.CONTENT_DISPATCHER_ATTRIBUTE, dispatcher); |
493 |
0 |
workerAttrs.put(PortalReservedParameters.REQUEST_CONTEXT_ATTRIBUTE, requestContext); |
494 |
0 |
workerAttrs.put(PortalReservedParameters.REQUEST_CONTEXT_OBJECTS, requestContext.getObjects()); |
495 |
0 |
workerAttrs.put(PortalReservedParameters.PATH_ATTRIBUTE, requestContext.getAttribute(PortalReservedParameters.PATH_ATTRIBUTE)); |
496 |
0 |
workerAttrs.put(PortalReservedParameters.PORTLET_WINDOW_ATTRIBUTE, portletWindow); |
497 |
|
|
498 |
|
|
499 |
|
|
500 |
0 |
workerAttrs.put(PortalReservedParameters.PORTLET_DEFINITION_ATTRIBUTE, portletDefinition); |
501 |
|
|
502 |
0 |
rJob = new RenderingJobImpl(container, this, portletDefinition, portletContent, fragment, dispatcher, |
503 |
|
request, response, requestContext, portletWindow, |
504 |
|
statistics, expirationCache, contentIsCached, workerAttrs); |
505 |
|
|
506 |
0 |
} |
507 |
|
else |
508 |
|
{ |
509 |
0 |
rJob = new RenderingJobImpl(container, this, portletDefinition, portletContent, fragment, dispatcher, |
510 |
|
request, response, requestContext, portletWindow, |
511 |
|
statistics, expirationCache, contentIsCached ); |
512 |
|
|
513 |
|
} |
514 |
0 |
setTimeoutOnJob(timeoutMetadata, rJob); |
515 |
0 |
return rJob; |
516 |
|
} |
517 |
|
|
518 |
|
protected long getTimeoutOnJob(PortletDefinitionComposite portletDefinition) |
519 |
|
{ |
520 |
0 |
long timeoutMetadata = 0; |
521 |
0 |
Collection timeoutFields = null; |
522 |
|
|
523 |
0 |
if (portletDefinition != null) |
524 |
|
{ |
525 |
0 |
timeoutFields = portletDefinition.getMetadata().getFields(PortalReservedParameters.PORTLET_EXTENDED_DESCRIPTOR_RENDER_TIMEOUT); |
526 |
|
} |
527 |
|
|
528 |
0 |
if (timeoutFields != null) |
529 |
|
{ |
530 |
0 |
Iterator it = timeoutFields.iterator(); |
531 |
|
|
532 |
0 |
if (it.hasNext()) |
533 |
|
{ |
534 |
0 |
LocalizedField timeoutField = (LocalizedField) timeoutFields.iterator().next(); |
535 |
|
|
536 |
|
try |
537 |
|
{ |
538 |
0 |
timeoutMetadata = Long.parseLong(timeoutField.getValue()); |
539 |
|
} |
540 |
0 |
catch (NumberFormatException nfe) |
541 |
|
{ |
542 |
0 |
log.warn("Invalid timeout metadata: " + nfe.getMessage()); |
543 |
0 |
} |
544 |
|
} |
545 |
|
} |
546 |
0 |
return timeoutMetadata; |
547 |
|
} |
548 |
|
|
549 |
|
protected void setTimeoutOnJob(long timeoutMetadata, RenderingJob rJob) |
550 |
|
{ |
551 |
|
|
552 |
0 |
if (timeoutMetadata > 0) |
553 |
|
{ |
554 |
0 |
rJob.setTimeout(timeoutMetadata); |
555 |
|
} |
556 |
0 |
else if (this.portletTracking.getDefaultPortletTimeout() > 0) |
557 |
|
{ |
558 |
0 |
rJob.setTimeout(this.portletTracking.getDefaultPortletTimeout()); |
559 |
|
} |
560 |
0 |
} |
561 |
|
|
562 |
|
public void addTitleToHeader( PortletWindow portletWindow, ContentFragment fragment, |
563 |
|
HttpServletRequest request, HttpServletResponse response, |
564 |
|
ContentDispatcherCtrl dispatcher, boolean isCacheTitle ) |
565 |
|
{ |
566 |
0 |
if (overrideTitles) |
567 |
|
{ |
568 |
|
try |
569 |
|
{ |
570 |
0 |
String title = fragment.getTitle(); |
571 |
|
|
572 |
0 |
if ( title == null ) |
573 |
|
{ |
574 |
0 |
title = addTitleService.getDynamicTitle( portletWindow, request ); |
575 |
|
} |
576 |
|
|
577 |
0 |
response.setHeader( "JS_PORTLET_TITLE", StringEscapeUtils.escapeHtml( title ) ); |
578 |
0 |
dispatcher.getPortletContent(fragment).setTitle(title); |
579 |
|
} |
580 |
0 |
catch (Exception e) |
581 |
|
{ |
582 |
0 |
log.error("Unable to reteive portlet title: " + e.getMessage(), e); |
583 |
0 |
} |
584 |
|
} |
585 |
|
else |
586 |
|
{ |
587 |
0 |
String title = null; |
588 |
|
|
589 |
0 |
if (isCacheTitle) |
590 |
|
{ |
591 |
0 |
title = fragment.getTitle(); |
592 |
|
|
593 |
0 |
if ( title == null ) |
594 |
|
{ |
595 |
0 |
title = addTitleService.getDynamicTitle(portletWindow, request); |
596 |
|
} |
597 |
|
|
598 |
0 |
dispatcher.getPortletContent(fragment).setTitle(title); |
599 |
|
} |
600 |
|
|
601 |
0 |
if (title == null) |
602 |
|
{ |
603 |
0 |
title = addTitleService.getDynamicTitle(portletWindow, request); |
604 |
0 |
dispatcher.getPortletContent(fragment).setTitle(title); |
605 |
|
} |
606 |
|
} |
607 |
0 |
} |
608 |
|
|
609 |
|
protected boolean checkSecurityConstraint(PortletDefinitionComposite portlet, ContentFragment fragment) |
610 |
|
{ |
611 |
0 |
if (fragment.getType().equals(ContentFragment.PORTLET)) |
612 |
|
{ |
613 |
0 |
if (accessController != null) |
614 |
|
{ |
615 |
0 |
return accessController.checkPortletAccess(portlet, JetspeedActions.MASK_VIEW); |
616 |
|
} |
617 |
|
} |
618 |
0 |
return true; |
619 |
|
} |
620 |
|
|
621 |
|
protected void addToCache(PortletContent content) |
622 |
|
{ |
623 |
0 |
CacheElement cachedElement = portletContentCache.createElement(content.getCacheKey(), content); |
624 |
0 |
if (content.getExpiration() == -1) |
625 |
|
{ |
626 |
0 |
cachedElement.setTimeToIdleSeconds(portletContentCache.getTimeToIdleSeconds()); |
627 |
0 |
cachedElement.setTimeToLiveSeconds(portletContentCache.getTimeToLiveSeconds()); |
628 |
|
} |
629 |
|
else |
630 |
|
{ |
631 |
0 |
cachedElement.setTimeToIdleSeconds(content.getExpiration()); |
632 |
0 |
cachedElement.setTimeToLiveSeconds(content.getExpiration()); |
633 |
|
} |
634 |
0 |
portletContentCache.put(cachedElement); |
635 |
0 |
} |
636 |
|
|
637 |
|
public void notifyContentComplete(PortletContent content) |
638 |
|
{ |
639 |
0 |
if (content.getExpiration() != 0) |
640 |
0 |
addToCache(content); |
641 |
0 |
} |
642 |
|
|
643 |
|
public PortletTrackingManager getPortletTrackingManager() |
644 |
|
{ |
645 |
0 |
return this.portletTracking; |
646 |
|
} |
647 |
|
} |