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package org.apache.jetspeed.container.state.impl; |
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import java.io.Serializable; |
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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.portlet.PortletMode; |
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import javax.portlet.WindowState; |
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import org.apache.jetspeed.Jetspeed; |
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import org.apache.jetspeed.cache.ContentCacheKey; |
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import org.apache.jetspeed.cache.JetspeedContentCache; |
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import org.apache.jetspeed.container.window.PortletWindowAccessor; |
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import org.apache.jetspeed.om.page.Page; |
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import org.apache.jetspeed.request.RequestContext; |
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import org.apache.pluto.om.window.PortletWindow; |
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public class PortletWindowSessionNavigationalStates implements Serializable |
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{ |
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private static final class PageState implements Serializable |
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{ |
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public Map windowStates = new HashMap(); |
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public String maximizedWindowId; |
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} |
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private final boolean storeParameters; |
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private Map pageStates = new HashMap(); |
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public PortletWindowSessionNavigationalStates(boolean storeParameters) |
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{ |
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this.storeParameters = storeParameters; |
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} |
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public void sync(RequestContext context, Page page, PortletWindowRequestNavigationalStates requestStates, JetspeedContentCache cache, JetspeedContentCache decorationCache) |
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{ |
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PageState pageState = (PageState)pageStates.get(page.getId()); |
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if ( pageState == null ) |
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{ |
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pageState = new PageState(); |
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pageStates.put(page.getId(), pageState); |
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} |
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PortletWindowRequestNavigationalState requestState = null; |
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PortletWindowBaseNavigationalState sessionState = null; |
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if ( pageState.maximizedWindowId != null ) |
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{ |
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String requestMaximizedWindowId = null; |
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if ( requestStates.getMaximizedWindow() != null ) |
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{ |
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requestMaximizedWindowId = requestStates.getMaximizedWindow().getId().toString(); |
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} |
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if ( requestMaximizedWindowId == null ) |
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{ |
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requestState = requestStates.getPortletWindowNavigationalState(pageState.maximizedWindowId); |
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if ( requestState != null ) |
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{ |
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if (requestState.getWindowState() != null) |
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{ |
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pageState.maximizedWindowId = null; |
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} |
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} |
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else |
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{ |
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PortletWindowAccessor accessor = |
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(PortletWindowAccessor)Jetspeed.getComponentManager().getComponent(PortletWindowAccessor.class); |
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PortletWindow maximizedWindow = accessor.getPortletWindow(pageState.maximizedWindowId); |
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if ( maximizedWindow == null ) |
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{ |
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pageState.windowStates.remove(pageState.maximizedWindowId); |
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pageState.maximizedWindowId = null; |
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} |
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else |
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{ |
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requestStates.setMaximizedWindow(maximizedWindow); |
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} |
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} |
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} |
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else if ( !requestMaximizedWindowId.equals( pageState.maximizedWindowId )) |
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{ |
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requestState = requestStates.getPortletWindowNavigationalState(pageState.maximizedWindowId); |
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sessionState = (PortletWindowBaseNavigationalState)pageState.windowStates.get(pageState.maximizedWindowId); |
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if ( requestState == null || requestState.getWindowState() == class="keyword">null ) |
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{ |
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sessionState.setWindowState(null); |
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} |
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} |
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} |
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if ( requestStates.getMaximizedWindow() != null ) |
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{ |
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pageState.maximizedWindowId = requestStates.getMaximizedWindow().getId().toString(); |
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} |
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Iterator iter = requestStates.getWindowIdIterator(); |
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String actionWindowId = requestStates.getActionWindow() != null ? requestStates.getActionWindow().getId().toString() : class="keyword">null; |
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boolean actionRequestState = false; |
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while ( iter.hasNext() ) |
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{ |
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requestState = requestStates.getPortletWindowNavigationalState((String)iter.next()); |
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sessionState = (PortletWindowBaseNavigationalState)pageState.windowStates.get(requestState.getWindowId()); |
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if ( sessionState == null ) |
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{ |
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if ( storeParameters ) |
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sessionState = new PortletWindowExtendedNavigationalState(); |
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} |
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else |
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{ |
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sessionState = new PortletWindowBaseNavigationalState(); |
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} |
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pageState.windowStates.put(requestState.getWindowId(),sessionState); |
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} |
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actionRequestState = actionWindowId != null && actionWindowId.equals(requestState.getWindowId()); |
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boolean changed = syncStates(actionRequestState, requestState, sessionState); |
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if (changed) |
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{ |
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removeFromCache(context, requestState.getWindowId(), cache); |
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removeFromCache(context, page.getId(), decorationCache); |
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if (storeParameters) |
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{ |
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((PortletWindowExtendedNavigationalState)sessionState).resetDecoratorActionEncodings(); |
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} |
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} |
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} |
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iter = pageState.windowStates.keySet().iterator(); |
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String windowId; |
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while ( iter.hasNext() ) |
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{ |
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windowId = (String)iter.next(); |
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requestState = requestStates.getPortletWindowNavigationalState(windowId); |
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if ( requestState == null ) |
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{ |
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requestState = new PortletWindowRequestNavigationalState(windowId); |
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boolean changed = syncStates(false, requestState,(PortletWindowBaseNavigationalState)pageState.windowStates.get(windowId)); |
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requestStates.addPortletWindowNavigationalState(windowId, requestState); |
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if (changed) |
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{ |
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removeFromCache(context, requestState.getWindowId(), cache); |
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removeFromCache(context, page.getId(), decorationCache); |
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if (storeParameters) |
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{ |
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((PortletWindowExtendedNavigationalState)sessionState).resetDecoratorActionEncodings(); |
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} |
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} |
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} |
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} |
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} |
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private boolean modeChanged(PortletMode req, PortletMode ses) |
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{ |
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if (req == null) |
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{ |
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return false; |
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} |
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else |
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{ |
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if (ses == null) |
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{ |
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if (req.equals(PortletMode.VIEW)) |
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return false; |
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return true; |
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} |
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} |
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return !req.equals(ses); |
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} |
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private boolean stateChanged(WindowState req, WindowState ses) |
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{ |
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if (req == null) |
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{ |
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return false; |
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} |
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else |
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{ |
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if (ses == null) |
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{ |
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if (req.equals(WindowState.NORMAL)) |
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return false; |
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return true; |
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} |
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} |
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return !req.equals(ses); |
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} |
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private boolean syncStates(class="keyword">boolean actionRequestState, PortletWindowRequestNavigationalState requestState, PortletWindowBaseNavigationalState sessionState) |
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{ |
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boolean changed = false; |
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if (modeChanged(requestState.getPortletMode(), sessionState.getPortletMode()) |
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|| stateChanged(requestState.getWindowState(), sessionState.getWindowState())) |
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changed = true; |
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if ( requestState.getPortletMode() != null ) |
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{ |
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if ( requestState.getPortletMode().equals(PortletMode.VIEW) ) |
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{ |
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sessionState.setPortletMode(null); |
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} |
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else |
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{ |
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sessionState.setPortletMode(requestState.getPortletMode()); |
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} |
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} |
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else if ( sessionState.getPortletMode() == null ) |
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{ |
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requestState.setPortletMode(PortletMode.VIEW); |
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} |
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else |
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{ |
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requestState.setPortletMode(sessionState.getPortletMode()); |
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} |
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if ( requestState.getWindowState() != null ) |
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{ |
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if ( requestState.getWindowState().equals(WindowState.NORMAL) ) |
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{ |
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sessionState.setWindowState(null); |
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} |
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else |
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{ |
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sessionState.setWindowState(requestState.getWindowState()); |
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} |
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} |
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else if ( sessionState.getWindowState() == null ) |
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{ |
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requestState.setWindowState(WindowState.NORMAL); |
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} |
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else |
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{ |
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requestState.setWindowState(sessionState.getWindowState()); |
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} |
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if (storeParameters) |
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{ |
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PortletWindowExtendedNavigationalState extendedSessionState = (PortletWindowExtendedNavigationalState)sessionState; |
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if ( requestState.getParametersMap() != null ) |
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{ |
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if ( actionRequestState ) |
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{ |
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extendedSessionState.setParametersMap(null); |
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} |
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else |
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{ |
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if (changedParameters(requestState.getParametersMap(), extendedSessionState.getParametersMap())) |
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{ |
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changed = true; |
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} |
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extendedSessionState.setParametersMap(new HashMap(requestState.getParametersMap())); |
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} |
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} |
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else if ( requestState.isClearParameters() ) |
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{ |
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extendedSessionState.setParametersMap(null); |
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requestState.setClearParameters(false); |
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} |
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else if ( extendedSessionState.getParametersMap() != null ) |
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{ |
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requestState.setParametersMap(new HashMap(extendedSessionState.getParametersMap())); |
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} |
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} |
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return changed; |
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} |
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protected boolean changedParameters(Map requestMap, Map sessionMap) |
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{ |
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if (sessionMap == null || requestMap == class="keyword">null) |
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return true; |
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if (requestMap.size() != sessionMap.size()) |
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return true; |
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Iterator ri = requestMap.entrySet().iterator(); |
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Iterator si = sessionMap.entrySet().iterator(); |
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while (ri.hasNext() && si.hasNext()) |
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{ |
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Map.Entry r = (Map.Entry)ri.next(); |
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Map.Entry s = (Map.Entry)si.next(); |
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if (!r.getKey().equals(s.getKey())) |
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return true; |
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String[] rvals = (String[])r.getValue(); |
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String[] svals = (String[])s.getValue(); |
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for (int ix = 0; ix < rvals.length; ix++) |
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{ |
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if (!rvals[ix].equals(svals[ix])) |
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return true; |
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} |
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} |
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return false; |
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} |
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protected void removeFromCache(RequestContext context, String id, JetspeedContentCache cache) |
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{ |
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if (cache == null) |
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return; |
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ContentCacheKey cacheKey = cache.createCacheKey(context, id); |
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if (cache.isKeyInCache(cacheKey)) |
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{ |
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cache.remove(cacheKey); |
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} |
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cache.invalidate(context); |
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} |
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protected Map getWindowStates(Page page) |
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{ |
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PageState pageState = (PageState)pageStates.get(page.getId()); |
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return pageState != null ? pageState.windowStates : class="keyword">null; |
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} |
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} |