Coverage Report - org.apache.tapestry.record.PersistentPropertyDataEncoder
 
Classes in this File Line Coverage Branch Coverage Complexity
PersistentPropertyDataEncoder
N/A
N/A
1
 
 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.List;
 18  
 
 19  
 /**
 20  
  * Responsible for encoding {@link org.apache.tapestry.record.PropertyChange}s
 21  
  * into and out of plain strings.
 22  
  * 
 23  
  * @author Howard M. Lewis Ship
 24  
  * @since 4.0
 25  
  */
 26  
 public interface PersistentPropertyDataEncoder
 27  
 {
 28  
 
 29  
     /**
 30  
      * Encodes a (possibly empty) list of {@link PropertyChange}s into a string
 31  
      * representation that can later be decoded.
 32  
      *
 33  
      * @param changes
 34  
      *          List of changes to encode into a persistable form.
 35  
      * 
 36  
      * @return encoded string (possibly empty, but not null)
 37  
      */
 38  
     String encodePageChanges(List changes);
 39  
 
 40  
     /**
 41  
      * Takes a string with an encoded set of page changes, and converts it back
 42  
      * into a list of {@link org.apache.tapestry.record.PropertyChange}s.
 43  
      *
 44  
      * @param encoded
 45  
      *          The data to un-encode, which should be equivalent to the same that
 46  
      *          was passed in to {@link #encodePageChanges(java.util.List)}.
 47  
      * 
 48  
      * @return The decoded page data.
 49  
      */
 50  
 
 51  
     List decodePageChanges(String encoded);
 52  
 
 53  
 }