Coverage Report - org.apache.tapestry.record.PageClientPropertyPersistenceScope
 
Classes in this File Line Coverage Branch Coverage Complexity
PageClientPropertyPersistenceScope
0%
0/8
0%
0/2
1.667
 
 1  
 // Copyright 2005 The Apache Software Foundation
 2  
 //
 3  
 // Licensed under the Apache License, Version 2.0 (the "License");
 4  
 // you may not use this file except in compliance with the License.
 5  
 // You may obtain a copy of the License at
 6  
 //
 7  
 //     http://www.apache.org/licenses/LICENSE-2.0
 8  
 //
 9  
 // Unless required by applicable law or agreed to in writing, software
 10  
 // distributed under the License is distributed on an "AS IS" BASIS,
 11  
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12  
 // See the License for the specific language governing permissions and
 13  
 // limitations under the License.
 14  
 
 15  
 package org.apache.tapestry.record;
 16  
 
 17  
 import org.apache.tapestry.IPage;
 18  
 import org.apache.tapestry.IRequestCycle;
 19  
 import org.apache.tapestry.engine.ServiceEncoding;
 20  
 
 21  
 /**
 22  
  * Defines the 'page' scope for persisting client properties. Persist the properties only if the
 23  
  * current page name is the same as that of the property.
 24  
  * 
 25  
  * @author Mindbridge
 26  
  * @since 4.0
 27  
  * @see org.apache.tapestry.record.ClientPropertyPersistenceScope
 28  
  */
 29  
 public class PageClientPropertyPersistenceScope extends
 30  
         AbstractPrefixedClientPropertyPersistenceScope
 31  
 {
 32  
     private IRequestCycle _requestCycle;
 33  
 
 34  
     public PageClientPropertyPersistenceScope()
 35  
     {
 36  0
         super("state:");
 37  0
     }
 38  
 
 39  
     /**
 40  
      * Returns true if the active page name matches the page for this property. This means that
 41  
      * <em>after a new page has been activated</em>, the state is discarded.
 42  
      */
 43  
 
 44  
     public boolean shouldEncodeState(ServiceEncoding encoding, String pageName,
 45  
             PersistentPropertyData data)
 46  
     {
 47  0
         IPage page = _requestCycle.getPage();
 48  
 
 49  
         // TAPESTRY-701: if you try to generate a link using, say, page or external service,
 50  
         // from inside PageValidateListener.pageValidate(), then there may not be an active
 51  
         // page yet. Seems like the right thing to do is hold onto any properties until
 52  
         // we know what the active page is.  I know this one is going to cause a fight
 53  
         // since its not clear whether keeping or discarding is the right way to go.
 54  
         
 55  0
         if (page == null)
 56  0
             return true;
 57  
 
 58  0
         return pageName.equals(page.getPageName());
 59  
     }
 60  
 
 61  
     public void setRequestCycle(IRequestCycle requestCycle)
 62  
     {
 63  0
         _requestCycle = requestCycle;
 64  0
     }
 65  
 
 66  
 }