##### Coverage Report - org.apache.turbine.util.ObjectUtils

Classes in this File | Line Coverage | Branch Coverage | Complexity
ObjectUtils |
0% | 0/44
0% | 0/14
| 5.5;5,5

1 |  |
     package org.apache.turbine.util;
2 |  |
3 |  |
4 |  |
     /*
5 |  |
      * Licensed to the Apache Software Foundation (ASF) under one
6 |  |
      * or more contributor license agreements.  See the NOTICE file
7 |  |
      * distributed with this work for additional information
8 |  |
      * regarding copyright ownership.  The ASF licenses this file
9 |  |
      * to you under the Apache License, Version 2.0 (the
10 |  |
      * "License"); you may not use this file except in compliance
11 |  |
      * with the License.  You may obtain a copy of the License at
12 |  |
      *
13 |  |
      *   http://www.apache.org/licenses/LICENSE-2.0
14 |  |
      *
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      * Unless required by applicable law or agreed to in writing,
16 |  |
      * software distributed under the License is distributed on an
17 |  |
      * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
18 |  |
      * KIND, either express or implied.  See the License for the
19 |  |
      * specific language governing permissions and limitations
20 |  |
      * under the License.
21 |  |
      */
22 |  |
23 |  |
24 |  |
     import java.io.BufferedInputStream;
25 |  |
     import java.io.BufferedOutputStream;
26 |  |
     import java.io.ByteArrayInputStream;
27 |  |
     import java.io.ByteArrayOutputStream;
28 |  |
     import java.io.IOException;
29 |  |
     import java.io.ObjectInputStream;
30 |  |
     import java.io.ObjectOutputStream;
31 |  |
     import java.io.Serializable;
32 |  |
     import java.util.Hashtable;
33 |  |
     import java.util.Map;
34 |  |
35 |  |
     /**
36 |  |
      * This is where common Object manipulation routines should go.
37 |  |
      *
38 |  |
      * @author <a href="mailto:nissim@nksystems.com">Nissim Karpenstein</a>
39 |  |
      * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
40 |  |
      * @version $Id: ObjectUtils.java 1073174 2011-02-21 22:18:45Z tv $
41 |  |
      */
42 | 0 |
     public abstract class ObjectUtils
43 |  |
     {
44 |  |
         /**
45 |  |
          * Converts a hashtable to a byte array for storage/serialization.
46 |  |
          *
47 |  |
          * @param hash The Hashtable to convert.
48 |  |
          *
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          * @return A byte[] with the converted Hashtable.
50 |  |
          *
51 |  |
          * @exception Exception A generic exception.
52 |  |
          */
53 |  |
         public static byte[] serializeHashtable(Hashtable<String, Object> hash)
54 |  |
             throws Exception
55 |  |
         {
56 | 0 |
             Hashtable<String, Serializable> saveData =
57 |  |
                 new Hashtable<String, Serializable>(hash.size());
58 | 0 |
             String key = null;
59 | 0 |
             Object value = null;
60 | 0 |
             byte[] byteArray = null;
61 |  |
62 | 0 |
             for (Map.Entry<String, Object> entry : hash.entrySet())
63 |  |
             {
64 | 0 |
                 key = entry.getKey();
65 | 0 |
                 value = entry.getValue();
66 | 0 |
                 if (value instanceof Serializable)
67 |  |
                 {
68 | 0 |
                     saveData.put (key, (Serializable)value);
69 |  |
                 }
70 |  |
             }
71 |  |
72 | 0 |
             ByteArrayOutputStream baos = null;
73 | 0 |
             BufferedOutputStream bos = null;
74 | 0 |
             ObjectOutputStream out = null;
75 |  |
             try
76 |  |
             {
77 |  |
                 // These objects are closed in the finally.
78 | 0 |
                 baos = new ByteArrayOutputStream();
79 | 0 |
                 bos  = new BufferedOutputStream(baos);
80 | 0 |
                 out  = new ObjectOutputStream(bos);
81 |  |
82 | 0 |
                 out.writeObject(saveData);
83 | 0 |
                 out.flush();
84 | 0 |
                 bos.flush();
85 |  |
86 | 0 |
                 byteArray = baos.toByteArray();
87 |  |
             }
88 |  |
             finally
89 |  |
             {
90 | 0 |
                 if (out != null)
91 |  |
                 {
92 | 0 |
                     out.close();
93 |  |
                 }
94 | 0 |
                 if (bos != null)
95 |  |
                 {
96 | 0 |
                     bos.close();
97 |  |
                 }
98 | 0 |
                 if (baos != null)
99 |  |
                 {
100 | 0 |
                     baos.close();
101 |  |
                 }
102 |  |
             }
103 | 0 |
             return byteArray;
104 |  |
         }
105 |  |
106 |  |
         /**
107 |  |
          * Deserializes a single object from an array of bytes.
108 |  |
          *
109 |  |
          * @param objectData The serialized object.
110 |  |
          *
111 |  |
          * @return The deserialized object, or <code>null</code> on failure.
112 |  |
          */
113 |  |
         public static Object deserialize(byte[] objectData)
114 |  |
         {
115 | 0 |
             Object object = null;
116 |  |
117 | 0 |
             if (objectData != null)
118 |  |
             {
119 |  |
                 // These streams are closed in finally.
120 | 0 |
                 ObjectInputStream in = null;
121 | 0 |
                 ByteArrayInputStream bin = new ByteArrayInputStream(objectData);
122 | 0 |
                 BufferedInputStream bufin = new BufferedInputStream(bin);
123 |  |
124 |  |
                 try
125 |  |
                 {
126 | 0 |
                     in = new ObjectInputStream(bufin);
127 |  |
128 |  |
                     // If objectData has not been initialized, an
129 |  |
                     // exception will occur.
130 | 0 |
                     object = in.readObject();
131 |  |
                 }
132 | 0 |
                 catch (Exception e)
133 |  |
                 {
134 |  |
                     // ignore
135 |  |
                 }
136 |  |
                 finally
137 |  |
                 {
138 | 0 |
                     try
139 |  |
                     {
140 | 0 |
                         if (in != null)
141 |  |
                         {
142 | 0 |
                             in.close();
143 |  |
                         }
144 |  |
145 | 0 |
                         bufin.close();
146 | 0 |
                         bin.close();
147 |  |
                     }
148 | 0 |
                     catch (IOException e)
149 |  |
                     {
150 |  |
                         // ignore
151 | 0 |
                     }
152 | 0 |
                 }
153 |  |
             }
154 | 0 |
             return object;
155 |  |
         }
156 |  |
     }