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org.apache.jcs.utils.serialization.StandardSerializer |
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1 | package org.apache.jcs.utils.serialization; |
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2 | ||
3 | /* |
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4 | * Licensed to the Apache Software Foundation (ASF) under one |
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5 | * or more contributor license agreements. See the NOTICE file |
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6 | * distributed with this work for additional information |
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7 | * regarding copyright ownership. The ASF licenses this file |
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8 | * to you under the Apache License, Version 2.0 (the |
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9 | * "License"); you may not use this file except in compliance |
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10 | * with the License. You may obtain a copy of the License at |
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11 | * |
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12 | * http://www.apache.org/licenses/LICENSE-2.0 |
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13 | * |
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14 | * Unless required by applicable law or agreed to in writing, |
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15 | * software distributed under the License is distributed on an |
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16 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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17 | * KIND, either express or implied. See the License for the |
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18 | * specific language governing permissions and limitations |
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19 | * under the License. |
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20 | */ |
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21 | ||
22 | import java.io.BufferedInputStream; |
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23 | import java.io.ByteArrayInputStream; |
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24 | import java.io.ByteArrayOutputStream; |
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25 | import java.io.IOException; |
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26 | import java.io.ObjectInputStream; |
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27 | import java.io.ObjectOutputStream; |
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28 | import java.io.Serializable; |
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29 | ||
30 | import org.apache.jcs.engine.behavior.IElementSerializer; |
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31 | ||
32 | /** |
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33 | * Performs default serialization and de-serialization. |
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34 | * <p> |
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35 | * @author Aaron Smuts |
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36 | */ |
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37 | 286 | public class StandardSerializer |
38 | implements IElementSerializer |
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39 | { |
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40 | /** |
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41 | * Serializes an object using default serilaization. |
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42 | */ |
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43 | public byte[] serialize( Serializable obj ) |
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44 | throws IOException |
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45 | { |
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46 | 755687 | ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
47 | 755690 | ObjectOutputStream oos = new ObjectOutputStream( baos ); |
48 | try |
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49 | { |
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50 | 755668 | oos.writeObject( obj ); |
51 | } |
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52 | finally |
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53 | { |
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54 | 755643 | oos.close(); |
55 | 755638 | } |
56 | 755696 | return baos.toByteArray(); |
57 | } |
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58 | ||
59 | /** |
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60 | * Uses default de-serialization to turn a byte array into an object. All |
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61 | * exceptions are converted into IOExceptions. |
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62 | */ |
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63 | public Object deSerialize( byte[] data ) |
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64 | throws IOException, ClassNotFoundException |
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65 | { |
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66 | 418666 | ByteArrayInputStream bais = new ByteArrayInputStream( data ); |
67 | 418570 | BufferedInputStream bis = new BufferedInputStream( bais ); |
68 | 417991 | ObjectInputStream ois = new ObjectInputStream( bis ); |
69 | try |
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70 | { |
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71 | try |
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72 | { |
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73 | 418635 | return ois.readObject(); |
74 | } |
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75 | 0 | catch ( IOException e ) |
76 | { |
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77 | 0 | throw e; |
78 | } |
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79 | 0 | catch ( ClassNotFoundException e ) |
80 | { |
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81 | 0 | throw e; |
82 | } |
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83 | } |
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84 | finally |
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85 | { |
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86 | 418343 | ois.close(); |
87 | 418449 | } |
88 | } |
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89 | } |
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