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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  package org.apache.http.impl.client.cache;
28  
29  import java.io.ByteArrayInputStream;
30  import java.io.ByteArrayOutputStream;
31  import java.io.ObjectInputStream;
32  import java.io.ObjectOutputStream;
33  
34  public class Serializer<T> {
35  
36      public byte[] serialize(final T object) throws Exception {
37          final ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
38          final ObjectOutputStream objectStream = new ObjectOutputStream(byteStream);
39          objectStream.writeObject(object);
40          return byteStream.toByteArray();
41      }
42  
43      @SuppressWarnings("unchecked")
44      public T deserialize(final byte[] serialized) throws Exception {
45          final ByteArrayInputStream byteStream = new ByteArrayInputStream(serialized);
46          final ObjectInputStream objectStream = new ObjectInputStream(byteStream);
47          final T object = (T) objectStream.readObject();
48          return object;
49      }
50  
51  }