Clover coverage report - Code Coverage for tapestry release 4.0-alpha-2
Coverage timestamp: Thu May 5 2005 09:57:44 EDT
file stats: LOC: 136   Methods: 8
NCLOC: 79   Classes: 1
30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover
 
 Source file Conditionals Statements Methods TOTAL
ClientPropertyPersistenceStrategy.java 90% 100% 100% 98%
coverage coverage
 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 java.util.Collection;
 18   
 import java.util.Collections;
 19   
 import java.util.HashMap;
 20   
 import java.util.Iterator;
 21   
 import java.util.List;
 22   
 import java.util.Map;
 23   
 
 24   
 import org.apache.hivemind.util.Defense;
 25   
 import org.apache.tapestry.IRequestCycle;
 26   
 import org.apache.tapestry.engine.ServiceEncoding;
 27   
 import org.apache.tapestry.web.WebRequest;
 28   
 
 29   
 /**
 30   
  * Encodes persistent page properties on the client as query parameters.
 31   
  * <p>
 32   
  * Uses the threaded model.
 33   
  * 
 34   
  * @author Howard M. Lewis Ship
 35   
  * @since 4.0
 36   
  * @see org.apache.tapestry.engine.ILink
 37   
  */
 38   
 public class ClientPropertyPersistenceStrategy implements PropertyPersistenceStrategy
 39   
 {
 40   
     /**
 41   
      * Query parameters consist of this prefix followed by the page name. Each page gets its own
 42   
      * query parameter.
 43   
      */
 44   
     public static final String PREFIX = "state:";
 45   
 
 46   
     /**
 47   
      * Keyed on page name (String), values are
 48   
      * {@link org.apache.tapestry.record.PersistentPropertyData}.
 49   
      */
 50   
     private final Map _data = new HashMap();
 51   
 
 52   
     private final PersistentPropertyDataEncoder _encoder;
 53   
 
 54   
     private WebRequest _request;
 55   
 
 56  48
     public ClientPropertyPersistenceStrategy()
 57   
     {
 58  48
         this(new PersistentPropertyDataEncoderImpl());
 59   
     }
 60   
 
 61   
     // Alternate constructor used for testing
 62  49
     ClientPropertyPersistenceStrategy(PersistentPropertyDataEncoder encoder)
 63   
     {
 64  49
         _encoder = encoder;
 65   
     }
 66   
 
 67  2
     public void initializeForService()
 68   
     {
 69  2
         List names = _request.getParameterNames();
 70  2
         Iterator i = names.iterator();
 71  2
         while (i.hasNext())
 72   
         {
 73  4
             String name = (String) i.next();
 74   
 
 75  4
             if (!name.startsWith(PREFIX))
 76  2
                 continue;
 77   
 
 78  2
             String pageName = name.substring(PREFIX.length());
 79  2
             String encoded = _request.getParameterValue(name);
 80   
 
 81  2
             PersistentPropertyData data = new PersistentPropertyData(_encoder);
 82  2
             data.storeEncoded(encoded);
 83   
 
 84  2
             _data.put(pageName, data);
 85   
         }
 86   
     }
 87   
 
 88  1
     public void store(String pageName, String idPath, String propertyName, Object newValue)
 89   
     {
 90  1
         PersistentPropertyData data = (PersistentPropertyData) _data.get(pageName);
 91  1
         if (data == null)
 92   
         {
 93  1
             data = new PersistentPropertyData(_encoder);
 94  1
             _data.put(pageName, data);
 95   
         }
 96   
 
 97  1
         data.store(idPath, propertyName, newValue);
 98   
     }
 99   
 
 100  216
     public Collection getStoredChanges(String pageName, IRequestCycle cycle)
 101   
     {
 102  216
         PersistentPropertyData data = (PersistentPropertyData) _data.get(pageName);
 103   
 
 104  216
         if (data == null)
 105  214
             return Collections.EMPTY_LIST;
 106   
 
 107  2
         return data.getPageChanges();
 108   
     }
 109   
 
 110  1
     public void discardStoredChanges(String pageName, IRequestCycle cycle)
 111   
     {
 112  1
         _data.remove(pageName);
 113   
     }
 114   
 
 115  161
     public void addParametersForPersistentProperties(ServiceEncoding encoding, IRequestCycle cycle)
 116   
     {
 117  161
         Defense.notNull(encoding, "encoding");
 118  161
         Defense.notNull(cycle, "cycle");
 119   
 
 120  161
         Iterator i = _data.entrySet().iterator();
 121  161
         while (i.hasNext())
 122   
         {
 123  1
             Map.Entry e = (Map.Entry) i.next();
 124   
 
 125  1
             String pageName = (String) e.getKey();
 126  1
             PersistentPropertyData data = (PersistentPropertyData) e.getValue();
 127   
 
 128  1
             encoding.setParameterValue(PREFIX + pageName, data.getEncoded());
 129   
         }
 130   
     }
 131   
 
 132  47
     public void setRequest(WebRequest request)
 133   
     {
 134  47
         _request = request;
 135   
     }
 136   
 }