Coverage report

  %line %branch
org.apache.jcs.engine.CacheUtils
0% 
0% 

 1  
 package org.apache.jcs.engine;
 2  
 
 3  
 /*
 4  
  * Licensed to the Apache Software Foundation (ASF) under one
 5  
  * or more contributor license agreements.  See the NOTICE file
 6  
  * distributed with this work for additional information
 7  
  * regarding copyright ownership.  The ASF licenses this file
 8  
  * to you under the Apache License, Version 2.0 (the
 9  
  * "License"); you may not use this file except in compliance
 10  
  * with the License.  You may obtain a copy of the License at
 11  
  *
 12  
  *   http://www.apache.org/licenses/LICENSE-2.0
 13  
  *
 14  
  * Unless required by applicable law or agreed to in writing,
 15  
  * software distributed under the License is distributed on an
 16  
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 17  
  * KIND, either express or implied.  See the License for the
 18  
  * specific language governing permissions and limitations
 19  
  * under the License.
 20  
  */
 21  
 
 22  
 import java.io.ByteArrayInputStream;
 23  
 import java.io.ByteArrayOutputStream;
 24  
 import java.io.IOException;
 25  
 import java.io.ObjectInputStream;
 26  
 import java.io.ObjectOutputStream;
 27  
 import java.io.Serializable;
 28  
 
 29  
 /**
 30  
  * This will be superceded by the new pluggable serializer infastructure.
 31  
  * <p>
 32  
  * basic utility functions
 33  
  * <p>
 34  
  * TODO move to util
 35  
  */
 36  
 public final class CacheUtils
 37  
 {
 38  
     /** No instances please. */
 39  
     private CacheUtils()
 40  
     {
 41  0
         super();
 42  0
     }
 43  
 
 44  
     /**
 45  
      * Returns a deeply cloned object.
 46  
      * @param obj
 47  
      * @return
 48  
      * @throws IOException
 49  
      */
 50  
     public static Serializable dup( Serializable obj )
 51  
         throws IOException
 52  
     {
 53  0
         return deserialize( serialize( obj ) );
 54  
     }
 55  
 
 56  
     /**
 57  
      * Returns the serialized form of the given object in a byte array.
 58  
      * <p>
 59  
      * @param obj
 60  
      * @return
 61  
      * @throws IOException
 62  
      */
 63  
     public static byte[] serialize( Serializable obj )
 64  
         throws IOException
 65  
     {
 66  0
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
 67  0
         ObjectOutputStream oos = new ObjectOutputStream( baos );
 68  
         try
 69  
         {
 70  0
             oos.writeObject( obj );
 71  
         }
 72  
         finally
 73  
         {
 74  0
             oos.close();
 75  0
         }
 76  0
         return baos.toByteArray();
 77  
     }
 78  
 
 79  
     /**
 80  
      * Returns the object deserialized from the given byte array.
 81  
      * <p>
 82  
      * @param buf
 83  
      * @return
 84  
      * @throws IOException
 85  
      */
 86  
     public static Serializable deserialize( byte[] buf )
 87  
         throws IOException
 88  
     {
 89  0
         ByteArrayInputStream bais = new ByteArrayInputStream( buf );
 90  0
         ObjectInputStream ois = new ObjectInputStream( bais );
 91  
         try
 92  
         {
 93  0
             return (Serializable) ois.readObject();
 94  
         }
 95  0
         catch ( ClassNotFoundException ex )
 96  
         {
 97  
             // impossible case.
 98  0
             ex.printStackTrace();
 99  0
             throw new IllegalStateException( ex.getMessage() );
 100  
         }
 101  
         finally
 102  
         {
 103  0
             ois.close();
 104  0
         }
 105  
     }
 106  
 }

This report is generated by jcoverage, Maven and Maven JCoverage Plugin.